diff --git a/ChangeLog b/ChangeLog
index 00f595da..d3abb116 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,21 @@
-2015-06-29 Niels Grewe <niels.grewe@halbordnung.de>
+2016-07-08 Niels Grewe <niels.grewe@halbordnung.de>
+
+	* GNUstep.conf.in
+	* GNUstep.csh.in
+	* GNUstep.sh.in
+	* Instance/Shared/pkgconfig.make
+	* Instance/framework.make
+	* Instance/library.make
+	* config-noarch.make.in
+	* configure
+	* configure.ac
+	* messages.make
+
+Preliminary support for pkg-config files. The GNUstep.sh scripts
+set the PKG_CONFIG_PATH and $(INSTANCE)_PKGCONFIG_FILES can be used
+to specify the files to install.
+
+2016-06-29 Niels Grewe <niels.grewe@halbordnung.de>
 
 	* Instance/framework.make: Fix installation of Resources symlinks.
 
diff --git a/GNUstep.csh.in b/GNUstep.csh.in
index 336c2dd3..a13b19bc 100755
--- a/GNUstep.csh.in
+++ b/GNUstep.csh.in
@@ -1,3 +1,4 @@
+
 #   This file must be sourced inside csh using: source
 #
 #   @configure_input@
@@ -17,7 +18,7 @@
 #   modify it under the terms of the GNU General Public License
 #   as published by the Free Software Foundation; either version 3
 #   of the License, or (at your option) any later version.
-#   
+#
 #   You should have received a copy of the GNU General Public
 #   License along with this library; see the file COPYING.
 #   If not, write to the Free Software Foundation,
@@ -126,6 +127,8 @@ if ( ! ${?LIBRARY_COMBO} ) then
   setenv LIBRARY_COMBO "@ac_cv_library_combo@"
 endif
 
+setenv GNUSTEP_HAS_PKGCONFIG "@GNUSTEP_HAS_PKGCONFIG@"
+
 if ( ! ${?GNUSTEP_MAKEFILES} ) then
   setenv GNUSTEP_MAKEFILES "@GNUSTEP_MAKEFILES@"
 endif
@@ -342,6 +345,31 @@ end
 
 unset dir
 
+if ( "${GNUSTEP_HAS_PKGCONFIG}" == "yes" ) then
+set GNUSTEP_PKGCONFIG_FRAGMENT=pkgconfig
+set GNUSTEP_PKGCONFIG_PATHLIST=`$GNUSTEP_MAKEFILES/print_unique_pathlist.sh "$GNUSTEP_USER_LIBRARIES" "$GNUSTEP_LOCAL_LIBRARIES" "$GNUSTEP_NETWORK_LIBRARIES" "$GNUSTEP_SYSTEM_LIBRARIES" $fixup_paths`
+foreach dir ( `/bin/sh -c 'IFS=:; for i in '"${GNUSTEP_PKGCONFIG_PATHLIST}"'; do echo $i; done'` )
+  if ( "$GNUSTEP_IS_FLATTENED" == "yes" ) then
+    set path_fragment="$dir/$GNUSTEP_PKGCONFIG_FRAGMENT"
+  else
+    set path_fragment="$dir/$GNUSTEP_HOST_CPU-$GNUSTEP_HOST_OS/$LIBRARY_COMBO/$GNUSTEP_PKGCONFIG_FRAGMENT:$dir/$GNUSTEP_HOST_CPU-$GNUSTEP_HOST_OS/$GNUSTEP_PKGCONFIG_FRAGMENT"
+  endif
+
+
+      if ( $?PKG_CONFIG_PATH == 0 ) then
+	  setenv PKG_CONFIG_PATH "${path_fragment}"
+      else if ( { (echo ":${PKG_CONFIG_PATH}:"\
+	|grep -v ":${path_fragment}:" >/dev/null) } ) then
+	  setenv PKG_CONFIG_PATH "${path_fragment}:${PKG_CONFIG_PATH}"
+      endif
+
+end
+unset path_fragment dir
+unset GNUSTEP_PKGCONFIG_PATHLIST GNUSTEP_PKGCONFIG_FRAGMENT
+
+endif
+
+
 if ( "${GNUSTEP_MAKE_STRICT_V2_MODE}" == "yes" ) then
   unsetenv GNUSTEP_IS_FLATTENED
   unsetenv LIBRARY_COMBO
@@ -365,55 +393,54 @@ unset GNUSTEP_KEEP_USER_CONFIG_FILE
 
 unsetenv GNUSTEP_USER_DEFAULTS_DIR
 
-unsetenv GNUSTEP_SYSTEM_APPS 
-unsetenv GNUSTEP_SYSTEM_ADMIN_APPS 
-unsetenv GNUSTEP_SYSTEM_WEB_APPS 
-unsetenv GNUSTEP_SYSTEM_TOOLS 
-unsetenv GNUSTEP_SYSTEM_ADMIN_TOOLS 
+unsetenv GNUSTEP_SYSTEM_APPS
+unsetenv GNUSTEP_SYSTEM_ADMIN_APPS
+unsetenv GNUSTEP_SYSTEM_WEB_APPS
+unsetenv GNUSTEP_SYSTEM_TOOLS
+unsetenv GNUSTEP_SYSTEM_ADMIN_TOOLS
 unsetenv GNUSTEP_SYSTEM_LIBRARY
-unsetenv GNUSTEP_SYSTEM_HEADERS 
-unsetenv GNUSTEP_SYSTEM_LIBRARIES 
-unsetenv GNUSTEP_SYSTEM_DOC 
+unsetenv GNUSTEP_SYSTEM_HEADERS
+unsetenv GNUSTEP_SYSTEM_LIBRARIES
+unsetenv GNUSTEP_SYSTEM_DOC
 unsetenv GNUSTEP_SYSTEM_DOC_MAN
 unsetenv GNUSTEP_SYSTEM_DOC_INFO
 
-unsetenv GNUSTEP_NETWORK_APPS 
-unsetenv GNUSTEP_NETWORK_ADMIN_APPS 
-unsetenv GNUSTEP_NETWORK_WEB_APPS 
-unsetenv GNUSTEP_NETWORK_TOOLS 
+unsetenv GNUSTEP_NETWORK_APPS
+unsetenv GNUSTEP_NETWORK_ADMIN_APPS
+unsetenv GNUSTEP_NETWORK_WEB_APPS
+unsetenv GNUSTEP_NETWORK_TOOLS
 unsetenv GNUSTEP_NETWORK_ADMIN_TOOLS
 unsetenv GNUSTEP_NETWORK_LIBRARY
-unsetenv GNUSTEP_NETWORK_HEADERS 
-unsetenv GNUSTEP_NETWORK_LIBRARIES 
-unsetenv GNUSTEP_NETWORK_DOC 
+unsetenv GNUSTEP_NETWORK_HEADERS
+unsetenv GNUSTEP_NETWORK_LIBRARIES
+unsetenv GNUSTEP_NETWORK_DOC
 unsetenv GNUSTEP_NETWORK_DOC_MAN
 unsetenv GNUSTEP_NETWORK_DOC_INFO
 
-unsetenv GNUSTEP_LOCAL_APPS 
-unsetenv GNUSTEP_LOCAL_ADMIN_APPS 
-unsetenv GNUSTEP_LOCAL_WEB_APPS 
-unsetenv GNUSTEP_LOCAL_TOOLS 
+unsetenv GNUSTEP_LOCAL_APPS
+unsetenv GNUSTEP_LOCAL_ADMIN_APPS
+unsetenv GNUSTEP_LOCAL_WEB_APPS
+unsetenv GNUSTEP_LOCAL_TOOLS
 unsetenv GNUSTEP_LOCAL_ADMIN_TOOLS
 unsetenv GNUSTEP_LOCAL_LIBRARY
-unsetenv GNUSTEP_LOCAL_HEADERS 
-unsetenv GNUSTEP_LOCAL_LIBRARIES 
-unsetenv GNUSTEP_LOCAL_DOC 
+unsetenv GNUSTEP_LOCAL_HEADERS
+unsetenv GNUSTEP_LOCAL_LIBRARIES
+unsetenv GNUSTEP_LOCAL_DOC
 unsetenv GNUSTEP_LOCAL_DOC_MAN
 unsetenv GNUSTEP_LOCAL_DOC_INFO
 
-unsetenv GNUSTEP_USER_APPS 
+unsetenv GNUSTEP_USER_APPS
 unsetenv GNUSTEP_USER_ADMIN_APPS
 unsetenv GNUSTEP_USER_WEB_APPS
-unsetenv GNUSTEP_USER_TOOLS 
-unsetenv GNUSTEP_USER_ADMIN_TOOLS 
+unsetenv GNUSTEP_USER_TOOLS
+unsetenv GNUSTEP_USER_ADMIN_TOOLS
 unsetenv GNUSTEP_USER_LIBRARY
-unsetenv GNUSTEP_USER_HEADERS 
-unsetenv GNUSTEP_USER_LIBRARIES 
-unsetenv GNUSTEP_USER_DOC 
+unsetenv GNUSTEP_USER_HEADERS
+unsetenv GNUSTEP_USER_LIBRARIES
+unsetenv GNUSTEP_USER_DOC
 unsetenv GNUSTEP_USER_DOC_MAN
 unsetenv GNUSTEP_USER_DOC_INFO
 
 unsetenv GNUSTEP_SYSTEM_USERS_DIR
 unsetenv GNUSTEP_LOCAL_USERS_DIR
 unsetenv GNUSTEP_NETWORK_USERS_DIR
-
diff --git a/GNUstep.sh.in b/GNUstep.sh.in
index ef091bd8..52304a35 100755
--- a/GNUstep.sh.in
+++ b/GNUstep.sh.in
@@ -1,3 +1,4 @@
+
 #   This file must be sourced inside (ba)sh using: .
 #
 #   @configure_input@
@@ -17,7 +18,7 @@
 #   modify it under the terms of the GNU General Public License
 #   as published by the Free Software Foundation; either version 3
 #   of the License, or (at your option) any later version.
-#   
+#
 #   You should have received a copy of the GNU General Public
 #   License along with this library; see the file COPYING.
 #   If not, write to the Free Software Foundation,
@@ -104,7 +105,7 @@ GNUSTEP_HOME=~
 # Read the user configuration file ... unless it is disabled (ie, set
 # to an empty string)
 if [ -n "$GNUSTEP_USER_CONFIG_FILE" ]; then
-  case "$GNUSTEP_USER_CONFIG_FILE" in 
+  case "$GNUSTEP_USER_CONFIG_FILE" in
     /*) # An absolute path
         if [ -f "$GNUSTEP_USER_CONFIG_FILE" ]; then
           . "$GNUSTEP_USER_CONFIG_FILE"
@@ -168,6 +169,9 @@ if [ ! "$GNUSTEP_MAKE_STRICT_V2_MODE" = "yes" ]; then
   # is defined - at the end of the script.
 fi
 
+
+GNUSTEP_HAS_PKGCONFIG=@GNUSTEP_HAS_PKGCONFIG@
+
 if [ -z "$GNUSTEP_MAKEFILES" ]; then
   GNUSTEP_MAKEFILES=@GNUSTEP_MAKEFILES@
 fi
@@ -189,7 +193,7 @@ else
   # Set GNUSTEP_USER_ROOT which is the variable used in practice.
   # GNUSTEP_USER_ROOT is deprecated and will be removed
   #
-  case "$GNUSTEP_USER_DIR" in 
+  case "$GNUSTEP_USER_DIR" in
     /*) # An absolute path
         GNUSTEP_USER_ROOT="$GNUSTEP_USER_DIR";;
      *) # Something else
@@ -243,7 +247,7 @@ if [ -z "$GNUSTEP_HOST_VENDOR" ]; then
   GNUSTEP_HOST_VENDOR=`$GNUSTEP_MAKEFILES/clean_vendor.sh $GNUSTEP_HOST_VENDOR`
 fi
 
-if [ -z "$GNUSTEP_HOST_OS" ]; then 
+if [ -z "$GNUSTEP_HOST_OS" ]; then
   GNUSTEP_HOST_OS=`$GNUSTEP_MAKEFILES/os.sh $GNUSTEP_HOST`
   GNUSTEP_HOST_OS=`$GNUSTEP_MAKEFILES/clean_os.sh $GNUSTEP_HOST_OS`
 fi
@@ -441,7 +445,7 @@ case "$GNUSTEP_HOST_OS" in
 
 # The code below has been temporarily removed, because...
 # Frameworks in GNUstep-make are supported by creating a link like
-# 
+#
 #   Libraries/libMyFramework.dylib ->
 #      Frameworks/MyFramework.framework/Versions/Current/libMyFramework.dylib,
 #
@@ -459,7 +463,7 @@ case "$GNUSTEP_HOST_OS" in
 #
 #    if [ "$LIBRARY_COMBO" = "apple-apple-apple" -o \
 #         "$LIBRARY_COMBO" = "apple" ]; then
-    
+
       if [ -z "$DYLD_FRAMEWORK_PATH" ]; then
         DYLD_FRAMEWORK_PATH="$path_fragment"
       else
@@ -548,6 +552,44 @@ unset dir
 unset GNUSTEP_INFO_PATHLIST
 export INFOPATH
 
+if [ "$GNUSTEP_HAS_PKGCONFIG" = "yes" ]; then
+# Determine the library paths
+GNUSTEP_PKGCONFIG_PATHLIST=`$GNUSTEP_MAKEFILES/print_unique_pathlist.sh "$GNUSTEP_USER_LIBRARIES" "$GNUSTEP_LOCAL_LIBRARIES" "$GNUSTEP_NETWORK_LIBRARIES" "$GNUSTEP_SYSTEM_LIBRARIES" $fixup_paths`
+
+old_IFS="$IFS"
+IFS=:
+GNUSTEP_PKGCONFIG_FRAGMENT=pkgconfig
+
+  for dir in $GNUSTEP_PKGCONFIG_PATHLIST; do
+
+    # prepare the path_fragment for libraries and this dir
+    if [ "$GNUSTEP_IS_FLATTENED" = "yes" ]; then
+      path_fragment="$dir/$GNUSTEP_PKGCONFIG_FRAGMENT"
+    else
+      path_fragment="$dir/$GNUSTEP_HOST_CPU-$GNUSTEP_HOST_OS/$LIBRARY_COMBO/$GNUSTEP_PKGCONFIG_FRAGMENT:$dir/$GNUSTEP_HOST_CPU-$GNUSTEP_HOST_OS/$GNUSTEP_PKGCONFIG_FRAGMENT"
+    fi
+
+    if [ -z "$PKG_CONFIG_PATH" ]; then
+      PKG_CONFIG_PATH="$path_fragment"
+    else
+      if ( echo ":${PKG_CONFIG_PATH}:"\
+    |grep -v ":${path_fragment}:" >/dev/null ); then
+    PKG_CONFIG_PATH="$path_fragment:$PKG_CONFIG_PATH"
+      fi
+    fi
+    export PKG_CONFIG_PATH
+
+  done
+IFS="$old_IFS"
+unset old_IFS
+unset dir
+unset path_fragment
+
+unset GNUSTEP_PKGCONFIG_FRAGMENT
+unset GNUSTEP_PKGCONFIG_PATHLIST
+unset GNUSTEP_HAS_PKGCONFIG
+fi # [ "$GNUSTEP_HAS_PKGCONFIG" = "yes" ]
+
 #
 # Clean up the environment by removing the filesystem variables.  Do
 # it unless we were explicitly requested not to clean it up!  Mostly
@@ -568,19 +610,19 @@ if [ -n "$GNUSTEP_SH_EXPORT_ALL_VARIABLES" ]; then
   export GNUSTEP_IS_FLATTENED LIBRARY_COMBO
   export GNUSTEP_HOST GNUSTEP_HOST_CPU GNUSTEP_HOST_VENDOR GNUSTEP_HOST_OS
 
-  export GNUSTEP_SYSTEM_APPS GNUSTEP_SYSTEM_ADMIN_APPS GNUSTEP_SYSTEM_WEB_APPS GNUSTEP_SYSTEM_TOOLS GNUSTEP_SYSTEM_ADMIN_TOOLS 
+  export GNUSTEP_SYSTEM_APPS GNUSTEP_SYSTEM_ADMIN_APPS GNUSTEP_SYSTEM_WEB_APPS GNUSTEP_SYSTEM_TOOLS GNUSTEP_SYSTEM_ADMIN_TOOLS
   export GNUSTEP_SYSTEM_LIBRARY GNUSTEP_SYSTEM_HEADERS GNUSTEP_SYSTEM_LIBRARIES
   export GNUSTEP_SYSTEM_DOC GNUSTEP_SYSTEM_DOC_MAN GNUSTEP_SYSTEM_DOC_INFO
 
-  export GNUSTEP_NETWORK_APPS GNUSTEP_NETWORK_ADMIN_APPS GNUSTEP_NETWORK_WEB_APPS GNUSTEP_NETWORK_TOOLS GNUSTEP_NETWORK_ADMIN_TOOLS 
+  export GNUSTEP_NETWORK_APPS GNUSTEP_NETWORK_ADMIN_APPS GNUSTEP_NETWORK_WEB_APPS GNUSTEP_NETWORK_TOOLS GNUSTEP_NETWORK_ADMIN_TOOLS
   export GNUSTEP_NETWORK_LIBRARY GNUSTEP_NETWORK_HEADERS GNUSTEP_NETWORK_LIBRARIES
   export GNUSTEP_NETWORK_DOC GNUSTEP_NETWORK_DOC_MAN GNUSTEP_NETWORK_DOC_INFO
 
-  export GNUSTEP_LOCAL_APPS GNUSTEP_LOCAL_ADMIN_APPS GNUSTEP_LOCAL_WEB_APPS GNUSTEP_LOCAL_TOOLS GNUSTEP_LOCAL_ADMIN_TOOLS 
+  export GNUSTEP_LOCAL_APPS GNUSTEP_LOCAL_ADMIN_APPS GNUSTEP_LOCAL_WEB_APPS GNUSTEP_LOCAL_TOOLS GNUSTEP_LOCAL_ADMIN_TOOLS
   export GNUSTEP_LOCAL_LIBRARY GNUSTEP_LOCAL_HEADERS GNUSTEP_LOCAL_LIBRARIES
   export GNUSTEP_LOCAL_DOC GNUSTEP_LOCAL_DOC_MAN GNUSTEP_LOCAL_DOC_INFO
 
-  export GNUSTEP_USER_APPS GNUSTEP_USER_ADMIN_APPS GNUSTEP_USER_WEB_APPS GNUSTEP_USER_TOOLS GNUSTEP_USER_ADMIN_TOOLS 
+  export GNUSTEP_USER_APPS GNUSTEP_USER_ADMIN_APPS GNUSTEP_USER_WEB_APPS GNUSTEP_USER_TOOLS GNUSTEP_USER_ADMIN_TOOLS
   export GNUSTEP_USER_LIBRARY GNUSTEP_USER_HEADERS GNUSTEP_USER_LIBRARIES
   export GNUSTEP_USER_DOC GNUSTEP_USER_DOC_MAN GNUSTEP_USER_DOC_INFO
 
@@ -602,7 +644,7 @@ else
   if [ -z "$GNUSTEP_KEEP_CONFIG_FILE" ]; then
     unset GNUSTEP_CONFIG_FILE
   fi
-  unset GNUSTEP_KEEP_CONFIG_FILE 
+  unset GNUSTEP_KEEP_CONFIG_FILE
 
   if [ -z "$GNUSTEP_KEEP_USER_CONFIG_FILE" ]; then
     unset GNUSTEP_USER_CONFIG_FILE
@@ -612,51 +654,51 @@ else
   # Always unset these variables
   unset GNUSTEP_USER_DEFAULTS_DIR
 
-  unset GNUSTEP_SYSTEM_APPS 
-  unset GNUSTEP_SYSTEM_ADMIN_APPS 
-  unset GNUSTEP_SYSTEM_WEB_APPS 
-  unset GNUSTEP_SYSTEM_TOOLS 
-  unset GNUSTEP_SYSTEM_ADMIN_TOOLS 
+  unset GNUSTEP_SYSTEM_APPS
+  unset GNUSTEP_SYSTEM_ADMIN_APPS
+  unset GNUSTEP_SYSTEM_WEB_APPS
+  unset GNUSTEP_SYSTEM_TOOLS
+  unset GNUSTEP_SYSTEM_ADMIN_TOOLS
   unset GNUSTEP_SYSTEM_LIBRARY
-  unset GNUSTEP_SYSTEM_HEADERS 
-  unset GNUSTEP_SYSTEM_LIBRARIES 
-  unset GNUSTEP_SYSTEM_DOC 
+  unset GNUSTEP_SYSTEM_HEADERS
+  unset GNUSTEP_SYSTEM_LIBRARIES
+  unset GNUSTEP_SYSTEM_DOC
   unset GNUSTEP_SYSTEM_DOC_MAN
   unset GNUSTEP_SYSTEM_DOC_INFO
 
-  unset GNUSTEP_NETWORK_APPS 
-  unset GNUSTEP_NETWORK_ADMIN_APPS 
-  unset GNUSTEP_NETWORK_WEB_APPS 
-  unset GNUSTEP_NETWORK_TOOLS 
-  unset GNUSTEP_NETWORK_ADMIN_TOOLS 
+  unset GNUSTEP_NETWORK_APPS
+  unset GNUSTEP_NETWORK_ADMIN_APPS
+  unset GNUSTEP_NETWORK_WEB_APPS
+  unset GNUSTEP_NETWORK_TOOLS
+  unset GNUSTEP_NETWORK_ADMIN_TOOLS
   unset GNUSTEP_NETWORK_LIBRARY
-  unset GNUSTEP_NETWORK_HEADERS 
-  unset GNUSTEP_NETWORK_LIBRARIES 
-  unset GNUSTEP_NETWORK_DOC 
+  unset GNUSTEP_NETWORK_HEADERS
+  unset GNUSTEP_NETWORK_LIBRARIES
+  unset GNUSTEP_NETWORK_DOC
   unset GNUSTEP_NETWORK_DOC_MAN
   unset GNUSTEP_NETWORK_DOC_INFO
 
-  unset GNUSTEP_LOCAL_APPS 
-  unset GNUSTEP_LOCAL_ADMIN_APPS 
-  unset GNUSTEP_LOCAL_WEB_APPS 
-  unset GNUSTEP_LOCAL_TOOLS 
-  unset GNUSTEP_LOCAL_ADMIN_TOOLS 
+  unset GNUSTEP_LOCAL_APPS
+  unset GNUSTEP_LOCAL_ADMIN_APPS
+  unset GNUSTEP_LOCAL_WEB_APPS
+  unset GNUSTEP_LOCAL_TOOLS
+  unset GNUSTEP_LOCAL_ADMIN_TOOLS
   unset GNUSTEP_LOCAL_LIBRARY
-  unset GNUSTEP_LOCAL_HEADERS 
-  unset GNUSTEP_LOCAL_LIBRARIES 
-  unset GNUSTEP_LOCAL_DOC 
+  unset GNUSTEP_LOCAL_HEADERS
+  unset GNUSTEP_LOCAL_LIBRARIES
+  unset GNUSTEP_LOCAL_DOC
   unset GNUSTEP_LOCAL_DOC_MAN
   unset GNUSTEP_LOCAL_DOC_INFO
 
-  unset GNUSTEP_USER_APPS 
-  unset GNUSTEP_USER_ADMIN_APPS 
-  unset GNUSTEP_USER_WEB_APPS 
-  unset GNUSTEP_USER_TOOLS 
-  unset GNUSTEP_USER_ADMIN_TOOLS 
+  unset GNUSTEP_USER_APPS
+  unset GNUSTEP_USER_ADMIN_APPS
+  unset GNUSTEP_USER_WEB_APPS
+  unset GNUSTEP_USER_TOOLS
+  unset GNUSTEP_USER_ADMIN_TOOLS
   unset GNUSTEP_USER_LIBRARY
-  unset GNUSTEP_USER_HEADERS 
-  unset GNUSTEP_USER_LIBRARIES 
-  unset GNUSTEP_USER_DOC 
+  unset GNUSTEP_USER_HEADERS
+  unset GNUSTEP_USER_LIBRARIES
+  unset GNUSTEP_USER_DOC
   unset GNUSTEP_USER_DOC_MAN
   unset GNUSTEP_USER_DOC_INFO
 
diff --git a/Instance/Shared/pkgconfig.make b/Instance/Shared/pkgconfig.make
new file mode 100644
index 00000000..f087e911
--- /dev/null
+++ b/Instance/Shared/pkgconfig.make
@@ -0,0 +1,87 @@
+
+#   -*-makefile-*-
+#   Instance/Shared/pkgconifg.make
+#
+#   Makefile fragment with rules for installing pkg-config files
+#
+#   Copyright (C) 2016 Free Software Foundation, Inc.
+#
+#   Author:  Niels Grewe <niels.grewe@halbordnugn.de>
+#
+#   This file is part of the GNUstep Makefile Package.
+#
+#   This library is free software; you can redistribute it and/or
+#   modify it under the terms of the GNU General Public License
+#   as published by the Free Software Foundation; either version 3
+#   of the License, or (at your option) any later version.
+#
+#   You should have received a copy of the GNU General Public
+#   License along with this library; see the file COPYING.
+#   If not, write to the Free Software Foundation,
+#   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+#
+# input variables:
+#
+#  $(GNUSTEP_INSTANCE)_PKGCONFIG_FILES : the list of .pc files to install
+#
+#
+
+#
+# public targets:
+#
+#  shared-instance-pkgconfig-install
+#  shared-instance-pkgconfig-uninstall
+#
+
+# Only add the pc files if pkg-config is enabled in gnustep-make
+ifeq ($(GNUSTEP_HAS_PKGCONFIG),yes)
+PC_FILES = $($(GNUSTEP_INSTANCE)_PKGCONFIG_FILES)
+endif
+
+.PHONY: \
+shared-instance-pkgconfig-install \
+shared-instance-pkgconfig-uninstall
+
+# This is either the case if no pkg-config files are set or pkg-config has been
+# disabled
+ifeq ($(PC_FILES),)
+
+shared-instance-pkgconfig-install:
+
+shared-instance-pkgconfig-uninstall:
+
+else # PC_FILES non-emtpy
+
+ifeq ($(GNUSTEP_PKGCONFIG_FRAGMENT),)
+GNUSTEP_PKGCONFIG_FRAGMENT=pkgconfig
+endif
+
+ifneq ($($(GNUSTEP_INSTANCE)_INSTALL_DIR),)
+PC_INSTALL_DIR = $($(GNUSTEP_INSTANCE)_INSTALL_DIR)/$(GNUSTEP_TARGET_LDIR)/$(GNUSTEP_PKGCONFIG_FRAGMENT)
+else
+PC_INSTALL_DIR = $(GNUSTEP_LIBRARIES)/$(GNUSTEP_TARGET_LDIR)/$(GNUSTEP_PKGCONFIG_FRAGMENT)
+endif
+
+
+shared-instance-pkgconfig-install: $(PC_INSTALL_DIR)
+	$(ECHO_INSTALLING_PKGCONFIG)for file in $(PC_FILES) __done; do \
+	  if [ $$file != __done ]; then \
+	    $(INSTALL_DATA) $$file \
+	          $(PC_INSTALL_DIR)/$$file; \
+	  fi; \
+	done$(END_ECHO)
+
+# Create the installation directory
+$(PC_INSTALL_DIR):
+	$(ECHO_CREATING)$(MKINSTALLDIRS) $@$(END_ECHO)
+
+shared-instance-pkgconfig-uninstall:
+	$(ECHO_NOTHING)for file in $(PC_FILES) __done; do \
+	  if [ $$file != __done ]; then \
+	    rm -rf $(PC_INSTALL_DIR)/$$file ; \
+	  fi; \
+	done$(END_ECHO)
+	-$(ECHO_NOTHING)rmdir $(PC_INSTALL_DIR)$(END_ECHO)
+
+endif # PC_FILES = ''
diff --git a/Instance/framework.make b/Instance/framework.make
index 7a0e760a..08c2c323 100644
--- a/Instance/framework.make
+++ b/Instance/framework.make
@@ -176,6 +176,7 @@ FRAMEWORK_VERSION_DIR = $(GNUSTEP_BUILD_DIR)/$(FRAMEWORK_VERSION_DIR_NAME)
 # that we need to manage and install.  So we assume by default that we
 # have some headers even if HEADER_FILES is empty.
 include $(GNUSTEP_MAKEFILES)/Instance/Shared/headers.make
+include $(GNUSTEP_MAKEFILES)/Instance/Shared/pkgconfig.make
 
 # On windows, this is unfortunately required.
 ifeq ($(BUILD_DLL), yes)
@@ -660,7 +661,7 @@ ifeq ($(FOUNDATION_LIB),gnu)
 
 internal-framework-install_:: $(FRAMEWORK_INSTALL_DIR) \
                       $(GNUSTEP_LIBRARIES)/$(GNUSTEP_TARGET_LDIR) \
-                      $(GNUSTEP_HEADERS)
+                      $(GNUSTEP_HEADERS) shared-instance-pkgconfig-install
 	$(ECHO_INSTALLING)(cd $(GNUSTEP_BUILD_DIR); \
 	  $(TAR) cfX - $(GNUSTEP_MAKEFILES)/tar-exclude-list \
 	    $(FRAMEWORK_DIR_NAME)) \
@@ -776,7 +777,7 @@ $(GNUSTEP_HEADERS):
 ifneq ($(BUILD_DLL), yes)
 # NB: We use '$(RM_LN_S)' to remove the symlinks to insure
 #     that we do not remove customized real directories.  
-internal-framework-uninstall_::
+internal-framework-uninstall_:: shared-instance-pkgconfig-uninstall
 	$(ECHO_UNINSTALLING)if [ "$(HEADER_FILES)" != "" ]; then \
 	  for file in $(HEADER_FILES) __done; do \
 	    if [ $$file != __done ]; then \
diff --git a/Instance/library.make b/Instance/library.make
index 36070b0a..fbc60647 100644
--- a/Instance/library.make
+++ b/Instance/library.make
@@ -32,6 +32,7 @@ include $(GNUSTEP_MAKEFILES)/rules.make
 endif
 
 include $(GNUSTEP_MAKEFILES)/Instance/Shared/headers.make
+include $(GNUSTEP_MAKEFILES)/Instance/Shared/pkgconfig.make
 
 #
 # The name of the library (including the 'lib' prefix) is 
@@ -296,7 +297,8 @@ endif
 #
 internal-library-install_:: internal-install-dirs \
                             internal-install-lib \
-                            shared-instance-headers-install
+                            shared-instance-headers-install \
+                            shared-instance-pkgconfig-install
 
 # Depend on creating all the dirs
 internal-install-dirs:: $(FINAL_LIBRARY_INSTALL_DIR) \
@@ -326,7 +328,7 @@ internal-install-lib::
 	fi$(END_ECHO)
 endif
 
-internal-library-uninstall_:: shared-instance-headers-uninstall
+internal-library-uninstall_:: shared-instance-headers-uninstall shared-instance-pkgconfig-uninstall
 	$(ECHO_UNINSTALLING)rm -f $(FINAL_LIBRARY_INSTALL_DIR)/$(VERSION_LIBRARY_FILE) \
 	      $(FINAL_LIBRARY_INSTALL_DIR)/$(LIBRARY_FILE) \
 	      $(FINAL_LIBRARY_INSTALL_DIR)/$(SONAME_LIBRARY_FILE)$(END_ECHO)
diff --git a/config-noarch.make.in b/config-noarch.make.in
index ede170c1..1af9e156 100644
--- a/config-noarch.make.in
+++ b/config-noarch.make.in
@@ -23,7 +23,7 @@
 #   modify it under the terms of the GNU General Public License
 #   as published by the Free Software Foundation; either version 3
 #   of the License, or (at your option) any later version.
-#   
+#
 #   You should have received a copy of the GNU General Public
 #   License along with this library; see the file COPYING.
 #   If not, write to the Free Software Foundation,
@@ -102,7 +102,7 @@ ifneq ($(GNUSTEP_USER_CONFIG_FILE),)
  else
   # Path does no start with '/', try it as relative
   -include $(GNUSTEP_HOME)/$(GNUSTEP_USER_CONFIG_FILE)
- endif 
+ endif
 
 endif
 
@@ -115,6 +115,8 @@ else
 endif
 GNUSTEP_IS_FLATTENED = @GNUSTEP_IS_FLATTENED@
 
+GNUSTEP_HAS_PKGCONFIG = @GNUSTEP_HAS_PKGCONFIG@
+
 ifeq ($(GNUSTEP_MAKE_STRICT_V2_MODE),yes)
   GNUSTEP_USER_ROOT = $(error GNUSTEP_USER_ROOT is obsolete)
 else
@@ -128,7 +130,7 @@ else
   else
    # Path does no start with '/', try it as relative
    GNUSTEP_USER_ROOT = $(GNUSTEP_HOME)/$(GNUSTEP_USER_DIR)
-  endif 
+  endif
 endif
 
 # FIXME: Shouldn't the following go into config.make ?  They are
diff --git a/configure b/configure
index 47cabc16..d3c97819 100755
--- a/configure
+++ b/configure
@@ -1,9 +1,11 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69.
+# Generated by GNU Autoconf 2.65.
 #
 #
-# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -87,7 +89,6 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -132,31 +133,6 @@ export LANGUAGE
 # CDPATH.
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
-# Use a proper internal environment variable to ensure we don't fall
-  # into an infinite loop, continuously re-executing ourselves.
-  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
-    _as_can_reexec=no; export _as_can_reexec;
-    # We cannot yet assume a decent shell, so we have to provide a
-# neutralization value for shells without unset; and this also
-# works around shells that cannot unset nonexistent variables.
-# Preserve -v and -x to the replacement shell.
-BASH_ENV=/dev/null
-ENV=/dev/null
-(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-case $- in # ((((
-  *v*x* | *x*v* ) as_opts=-vx ;;
-  *v* ) as_opts=-v ;;
-  *x* ) as_opts=-x ;;
-  * ) as_opts= ;;
-esac
-exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
-# Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
-as_fn_exit 255
-  fi
-  # We don't want this to propagate to other subprocesses.
-          { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
   as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
@@ -190,8 +166,7 @@ if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
 else
   exitcode=1; echo positional parameters were not saved.
 fi
-test x\$exitcode = x0 || exit 1
-test -x / || exit 1"
+test x\$exitcode = x0 || exit 1"
   as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
@@ -236,25 +211,14 @@ IFS=$as_save_IFS
 
 
       if test "x$CONFIG_SHELL" != x; then :
-  export CONFIG_SHELL
-             # We cannot yet assume a decent shell, so we have to provide a
-# neutralization value for shells without unset; and this also
-# works around shells that cannot unset nonexistent variables.
-# Preserve -v and -x to the replacement shell.
-BASH_ENV=/dev/null
-ENV=/dev/null
-(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-case $- in # ((((
-  *v*x* | *x*v* ) as_opts=-vx ;;
-  *v* ) as_opts=-v ;;
-  *x* ) as_opts=-x ;;
-  * ) as_opts= ;;
-esac
-exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
-# Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
-exit 255
+  # We cannot yet assume a decent shell, so we have to provide a
+	# neutralization value for shells without unset; and this also
+	# works around shells that cannot unset nonexistent variables.
+	BASH_ENV=/dev/null
+	ENV=/dev/null
+	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+	export CONFIG_SHELL
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
 fi
 
     if test x$as_have_required = xno; then :
@@ -352,18 +316,10 @@ $as_echo X"$as_dir" |
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
-
-# as_fn_executable_p FILE
-# -----------------------
-# Test if FILE is an executable regular file.
-as_fn_executable_p ()
-{
-  test -f "$1" && test -x "$1"
-} # as_fn_executable_p
 # as_fn_append VAR VALUE
 # ----------------------
 # Append the text in VALUE to the end of the definition contained in VAR. Take
@@ -400,19 +356,19 @@ else
 fi # as_fn_arith
 
 
-# as_fn_error STATUS ERROR [LINENO LOG_FD]
-# ----------------------------------------
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with STATUS, using 1 if that was 0.
+# script with status $?, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
   fi
-  $as_echo "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $1" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -485,10 +441,6 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   chmod +x "$as_me.lineno" ||
     { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
-  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
-  # already done that, so ensure we don't try to do so again and fall
-  # in an infinite loop.  This has already happened in practice.
-  _as_can_reexec=no; export _as_can_reexec
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
   # original and so on.  Autoconf is especially sensitive to this).
@@ -523,16 +475,16 @@ if (echo >conf$$.file) 2>/dev/null; then
     # ... but there are two gotchas:
     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
+    # In both cases, we have to default to `cp -p'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -pR'
+      as_ln_s='cp -p'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -pR'
+    as_ln_s='cp -p'
   fi
 else
-  as_ln_s='cp -pR'
+  as_ln_s='cp -p'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
@@ -544,8 +496,28 @@ else
   as_mkdir_p=false
 fi
 
-as_test_x='test -x'
-as_executable_p=as_fn_executable_p
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in #(
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -558,7 +530,7 @@ test -n "$DJDIR" || exec 7<&0 </dev/null
 exec 6>&1
 
 # Name of the host.
-# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
@@ -708,6 +680,7 @@ LDFLAGS
 CFLAGS
 CC
 ac_cv_library_combo
+GNUSTEP_HAS_PKGCONFIG
 target_os
 target_vendor
 target_cpu
@@ -859,9 +832,8 @@ do
   fi
 
   case $ac_option in
-  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *=)   ac_optarg= ;;
-  *)    ac_optarg=yes ;;
+  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *)	ac_optarg=yes ;;
   esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
@@ -906,7 +878,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: $ac_useropt"
+      as_fn_error "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -932,7 +904,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: $ac_useropt"
+      as_fn_error "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1136,7 +1108,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: $ac_useropt"
+      as_fn_error "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1152,7 +1124,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: $ac_useropt"
+      as_fn_error "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1182,8 +1154,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error $? "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information"
+  -*) as_fn_error "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information."
     ;;
 
   *=*)
@@ -1191,7 +1163,7 @@ Try \`$0 --help' for more information"
     # Reject names that are not valid shell variable names.
     case $ac_envvar in #(
       '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+      as_fn_error "invalid variable name: \`$ac_envvar'" ;;
     esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
@@ -1201,7 +1173,7 @@ Try \`$0 --help' for more information"
     $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
+    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
 
   esac
@@ -1209,13 +1181,13 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  as_fn_error $? "missing argument to $ac_option"
+  as_fn_error "missing argument to $ac_option"
 fi
 
 if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
-    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
+    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
     *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
@@ -1238,7 +1210,7 @@ do
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
+  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1252,6 +1224,8 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
+    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1266,9 +1240,9 @@ test "$silent" = yes && exec 6>/dev/null
 ac_pwd=`pwd` && test -n "$ac_pwd" &&
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  as_fn_error $? "working directory cannot be determined"
+  as_fn_error "working directory cannot be determined"
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  as_fn_error $? "pwd does not report name of working directory"
+  as_fn_error "pwd does not report name of working directory"
 
 
 # Find the source files, if location was not specified.
@@ -1307,11 +1281,11 @@ else
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
+  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1351,7 +1325,7 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking ...' messages
+  -q, --quiet, --silent   do not print \`checking...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
   -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
@@ -1731,9 +1705,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 configure
-generated by GNU Autoconf 2.69
+generated by GNU Autoconf 2.65
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1777,7 +1751,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
@@ -1803,7 +1777,7 @@ $as_echo "$ac_try_echo"; } >&5
     mv -f conftest.er1 conftest.err
   fi
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } > conftest.i && {
+  test $ac_status = 0; } >/dev/null && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        }; then :
@@ -1814,7 +1788,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
@@ -1852,7 +1826,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_compile
@@ -1894,7 +1868,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_run
@@ -1903,7 +1877,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+generated by GNU Autoconf 2.65.  Invocation command line was
 
   $ $0 $@
 
@@ -2013,9 +1987,11 @@ trap 'exit_status=$?
   {
     echo
 
-    $as_echo "## ---------------- ##
+    cat <<\_ASBOX
+## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##"
+## ---------------- ##
+_ASBOX
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -2049,9 +2025,11 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    $as_echo "## ----------------- ##
+    cat <<\_ASBOX
+## ----------------- ##
 ## Output variables. ##
-## ----------------- ##"
+## ----------------- ##
+_ASBOX
     echo
     for ac_var in $ac_subst_vars
     do
@@ -2064,9 +2042,11 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
     echo
 
     if test -n "$ac_subst_files"; then
-      $as_echo "## ------------------- ##
+      cat <<\_ASBOX
+## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##"
+## ------------------- ##
+_ASBOX
       echo
       for ac_var in $ac_subst_files
       do
@@ -2080,9 +2060,11 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
     fi
 
     if test -s confdefs.h; then
-      $as_echo "## ----------- ##
+      cat <<\_ASBOX
+## ----------- ##
 ## confdefs.h. ##
-## ----------- ##"
+## ----------- ##
+_ASBOX
       echo
       cat confdefs.h
       echo
@@ -2137,12 +2119,7 @@ _ACEOF
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  # We do not want a PATH search for config.site.
-  case $CONFIG_SITE in #((
-    -*)  ac_site_file1=./$CONFIG_SITE;;
-    */*) ac_site_file1=$CONFIG_SITE;;
-    *)   ac_site_file1=./$CONFIG_SITE;;
-  esac
+  ac_site_file1=$CONFIG_SITE
 elif test "x$prefix" != xNONE; then
   ac_site_file1=$prefix/share/config.site
   ac_site_file2=$prefix/etc/config.site
@@ -2157,11 +2134,7 @@ do
     { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
 $as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
-    . "$ac_site_file" \
-      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5; }
+    . "$ac_site_file"
   fi
 done
 
@@ -2237,7 +2210,7 @@ if $ac_cache_corrupted; then
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
   { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
 $as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
 ## -------------------- ##
 ## Main body of script. ##
@@ -2272,22 +2245,16 @@ targetArgument=${target}
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  if test -f "$ac_dir/install-sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install-sh -c"
-    break
-  elif test -f "$ac_dir/install.sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install.sh -c"
-    break
-  elif test -f "$ac_dir/shtool"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/shtool install -c"
-    break
-  fi
+  for ac_t in install-sh install.sh shtool; do
+    if test -f "$ac_dir/$ac_t"; then
+      ac_aux_dir=$ac_dir
+      ac_install_sh="$ac_aux_dir/$ac_t -c"
+      break 2
+    fi
+  done
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+  as_fn_error "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -2301,27 +2268,27 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+  as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
 $as_echo_n "checking build system type... " >&6; }
-if ${ac_cv_build+:} false; then :
+if test "${ac_cv_build+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+  as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+  as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
 
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
 $as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+*) as_fn_error "invalid value of canonical build" "$LINENO" 5;;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -2339,14 +2306,14 @@ case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
 $as_echo_n "checking host system type... " >&6; }
-if ${ac_cv_host+:} false; then :
+if test "${ac_cv_host+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
 fi
 
 fi
@@ -2354,7 +2321,7 @@ fi
 $as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -2372,14 +2339,14 @@ case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
 $as_echo_n "checking target system type... " >&6; }
-if ${ac_cv_target+:} false; then :
+if test "${ac_cv_target+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$target_alias" = x; then
   ac_cv_target=$ac_cv_host
 else
   ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
-    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
+    as_fn_error "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
 fi
 
 fi
@@ -2387,7 +2354,7 @@ fi
 $as_echo "$ac_cv_target" >&6; }
 case $ac_cv_target in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;;
+*) as_fn_error "invalid value of canonical target" "$LINENO" 5;;
 esac
 target=$ac_cv_target
 ac_save_IFS=$IFS; IFS='-'
@@ -2410,6 +2377,48 @@ test -n "$target_alias" &&
     NONENONEs,x,x, &&
   program_prefix=${target_alias}-
 
+# Extract the first word of "pkgconfig", so it can be a program name with args.
+set dummy pkgconfig; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_GNUSTEP_HAS_PKGCONFIG+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $GNUSTEP_HAS_PKGCONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_GNUSTEP_HAS_PKGCONFIG="$GNUSTEP_HAS_PKGCONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in no
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_GNUSTEP_HAS_PKGCONFIG="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_GNUSTEP_HAS_PKGCONFIG" && ac_cv_path_GNUSTEP_HAS_PKGCONFIG="yes"
+  ;;
+esac
+fi
+GNUSTEP_HAS_PKGCONFIG=$ac_cv_path_GNUSTEP_HAS_PKGCONFIG
+if test -n "$GNUSTEP_HAS_PKGCONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GNUSTEP_HAS_PKGCONFIG" >&5
+$as_echo "$GNUSTEP_HAS_PKGCONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+
 #--------------------------------------------------------------------
 # Setup the library combination
 #--------------------------------------------------------------------
@@ -2477,7 +2486,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2489,7 +2498,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2517,7 +2526,7 @@ if test -z "$ac_cv_prog_CC"; then
 set dummy gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2529,7 +2538,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="gcc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2570,7 +2579,7 @@ if test -z "$CC"; then
 set dummy ${ac_tool_prefix}cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2582,7 +2591,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2610,7 +2619,7 @@ if test -z "$CC"; then
 set dummy cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2623,7 +2632,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
@@ -2669,7 +2678,7 @@ if test -z "$CC"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2681,7 +2690,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2713,7 +2722,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2725,7 +2734,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2767,8 +2776,8 @@ fi
 
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "no acceptable C compiler found in \$PATH
+See \`config.log' for more details." "$LINENO" 5; }
 
 # Provide some information about the compiler.
 $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -2882,8 +2891,9 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "C compiler cannot create executables
+See \`config.log' for more details." "$LINENO" 5; }; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -2925,8 +2935,8 @@ done
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -2983,9 +2993,9 @@ $as_echo "$ac_try_echo"; } >&5
     else
 	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot run C compiled programs.
+as_fn_error "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details." "$LINENO" 5; }
     fi
   fi
 fi
@@ -2996,7 +3006,7 @@ rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if ${ac_cv_objext+:} false; then :
+if test "${ac_cv_objext+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3036,8 +3046,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
@@ -3047,7 +3057,7 @@ OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if ${ac_cv_c_compiler_gnu+:} false; then :
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3084,7 +3094,7 @@ ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if ${ac_cv_prog_cc_g+:} false; then :
+if test "${ac_cv_prog_cc_g+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -3162,7 +3172,7 @@ else
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if ${ac_cv_prog_cc_c89+:} false; then :
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -3171,7 +3181,8 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
-struct stat;
+#include <sys/types.h>
+#include <sys/stat.h>
 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 struct buf { int x; };
 FILE * (*rcsopen) (struct buf *, struct stat *, int);
@@ -3268,7 +3279,7 @@ if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if ${ac_cv_prog_CPP+:} false; then :
+  if test "${ac_cv_prog_CPP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -3298,7 +3309,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -3314,11 +3325,11 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
   break
 fi
@@ -3357,7 +3368,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -3373,18 +3384,18 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
 
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -3414,7 +3425,7 @@ if test -z "$CXX"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CXX+:} false; then :
+if test "${ac_cv_prog_CXX+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CXX"; then
@@ -3426,7 +3437,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3458,7 +3469,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CXX+:} false; then :
+if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CXX"; then
@@ -3470,7 +3481,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3536,7 +3547,7 @@ done
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
 $as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
-if ${ac_cv_cxx_compiler_gnu+:} false; then :
+if test "${ac_cv_cxx_compiler_gnu+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3573,7 +3584,7 @@ ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
 $as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if ${ac_cv_prog_cxx_g+:} false; then :
+if test "${ac_cv_prog_cxx_g+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
@@ -3664,7 +3675,7 @@ OBJCXX="${CXX}"
 # We may use egrep for some tests further down below
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
+if test "${ac_cv_path_GREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -3678,7 +3689,7 @@ do
     for ac_prog in grep ggrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_GREP" || continue
+      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
 case `"$ac_path_GREP" --version 2>&1` in
@@ -3713,7 +3724,7 @@ esac
   done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_GREP"; then
-    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_GREP=$GREP
@@ -3727,7 +3738,7 @@ $as_echo "$ac_cv_path_GREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
+if test "${ac_cv_path_EGREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -3744,7 +3755,7 @@ do
     for ac_prog in egrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_EGREP" || continue
+      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
 case `"$ac_path_EGREP" --version 2>&1` in
@@ -3779,7 +3790,7 @@ esac
   done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_EGREP"; then
-    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_EGREP=$EGREP
@@ -3903,7 +3914,7 @@ if test "x$target" != "x$host"; then
 set dummy "${targetArgument}-clang"; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3915,7 +3926,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="                         "${targetArgument}-clang""
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3942,7 +3953,7 @@ fi
 set dummy "${targetArgument}-gcc"; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3954,7 +3965,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="                         "${targetArgument}-gcc""
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3981,7 +3992,7 @@ fi
 set dummy "${targetArgument}-ranlib"; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RANLIB+:} false; then :
+if test "${ac_cv_prog_RANLIB+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
@@ -3993,7 +4004,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_RANLIB="                         "${targetArgument}-ranlib""
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4019,7 +4030,7 @@ fi
 set dummy "${targetArgument}-ar"; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AR+:} false; then :
+if test "${ac_cv_prog_AR+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
@@ -4031,7 +4042,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_AR="                         "${targetArgument}-ar""
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4057,7 +4068,7 @@ fi
 set dummy "${targetArgument}-dlltool"; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DLLTOOL+:} false; then :
+if test "${ac_cv_prog_DLLTOOL+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$DLLTOOL"; then
@@ -4069,7 +4080,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_DLLTOOL="                         "${targetArgument}-dlltool""
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4135,14 +4146,14 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     if test "$ac_cv_blocks" = no; then
-      as_fn_error $? "Your compiler doesn't appear to support blocks. To fix this use the CC environment varibale to specify a different compiler (or use a different library-combo)" "$LINENO" 5;
+      as_fn_error "Your compiler doesn't appear to support blocks. To fix this use the CC environment varibale to specify a different compiler (or use a different library-combo)" "$LINENO" 5;
     fi
   fi
   # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AR+:} false; then :
+if test "${ac_cv_prog_AR+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
@@ -4154,7 +4165,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_AR="ar"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4179,7 +4190,7 @@ fi
 set dummy dlltool; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DLLTOOL+:} false; then :
+if test "${ac_cv_prog_DLLTOOL+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$DLLTOOL"; then
@@ -4191,7 +4202,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_DLLTOOL="dlltool"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4217,7 +4228,7 @@ fi
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RANLIB+:} false; then :
+if test "${ac_cv_prog_RANLIB+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
@@ -4229,7 +4240,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4257,7 +4268,7 @@ if test -z "$ac_cv_prog_RANLIB"; then
 set dummy ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_RANLIB"; then
@@ -4269,7 +4280,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4323,7 +4334,7 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
 $as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if ${ac_cv_path_install+:} false; then :
+if test "${ac_cv_path_install+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4343,7 +4354,7 @@ case $as_dir/ in #((
     # by default.
     for ac_prog in ginstall scoinst install; do
       for ac_exec_ext in '' $ac_executable_extensions; do
-	if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
+	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
 	  if test $ac_prog = install &&
 	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
 	    # AIX install.  It has an incompatible calling convention.
@@ -4454,7 +4465,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_NM+:} false; then :
+if test "${ac_cv_prog_NM+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$NM"; then
@@ -4466,7 +4477,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_NM="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4499,7 +4510,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_TAR+:} false; then :
+if test "${ac_cv_prog_TAR+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$TAR"; then
@@ -4511,7 +4522,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_TAR="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4547,7 +4558,7 @@ fi
 set dummy chown; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CHOWN+:} false; then :
+if test "${ac_cv_prog_CHOWN+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CHOWN"; then
@@ -4559,7 +4570,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CHOWN="chown"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -4584,7 +4595,7 @@ fi
 if test "$MINGW32" = no; then
   if test "$MINGW64" = no; then
     if test "$CHOWN" = "none"; then
-      as_fn_error $? "\"Could not find chown.\"" "$LINENO" 5;
+      as_fn_error "\"Could not find chown.\"" "$LINENO" 5;
     fi
   fi
 fi
@@ -4886,7 +4897,7 @@ if test "$ac_cv_importing_config_file" = "yes"; then
  if test ! -f "$GNUSTEP_CONFIG_FILE"; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no: file \"$GNUSTEP_CONFIG_FILE\" does not exist" >&5
 $as_echo "no: file \"$GNUSTEP_CONFIG_FILE\" does not exist" >&6; }
-   as_fn_error $? "asked to import non-existing configuration file.  To fix this problem, make sure you have a config file to import, or remove the --enable-importing-config-file option." "$LINENO" 5
+   as_fn_error "asked to import non-existing configuration file.  To fix this problem, make sure you have a config file to import, or remove the --enable-importing-config-file option." "$LINENO" 5
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes: trying to import \"$GNUSTEP_CONFIG_FILE\"" >&5
 $as_echo "yes: trying to import \"$GNUSTEP_CONFIG_FILE\"" >&6; }
@@ -5420,7 +5431,7 @@ fi
 # leave the proper includes in CPPFLAGS and LDFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for custom shared objc library" >&5
 $as_echo_n "checking for custom shared objc library... " >&6; }
-if ${gs_cv_objc_libdir+:} false; then :
+if test "${gs_cv_objc_libdir+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   gs_cv_objc_libdir=NONE
@@ -6018,7 +6029,7 @@ $as_echo "$USE_NONFRAGILE_ABI" >&6; }
 $as_echo "$as_me: The nonfragile ABI was requested, but the compiler" >&6;}
     { $as_echo "$as_me:${as_lineno-$LINENO}: doesn't support it." >&5
 $as_echo "$as_me: doesn't support it." >&6;}
-    as_fn_error $? "compiler doesn't support nonfragile ABI" "$LINENO" 5
+    as_fn_error "compiler doesn't support nonfragile ABI" "$LINENO" 5
   fi
 else
   if test x"$USE_NONFRAGILE_ABI" != x"no"; then
@@ -6105,7 +6116,7 @@ $as_echo "$USE_ARC" >&6; }
 $as_echo "$as_me: Building ARC code was requested, but the compiler" >&6;}
     { $as_echo "$as_me:${as_lineno-$LINENO}: doesn't support it." >&5
 $as_echo "$as_me: doesn't support it." >&6;}
-    as_fn_error $? "compiler doesn't support ARC" "$LINENO" 5
+    as_fn_error "compiler doesn't support ARC" "$LINENO" 5
   fi
 else
   if test x"$USE_ARC" != x"no"; then
@@ -6471,7 +6482,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_GNUMAKE+:} false; then :
+if test "${ac_cv_prog_GNUMAKE+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$GNUMAKE"; then
@@ -6483,7 +6494,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_GNUMAKE="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -6684,7 +6695,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_LATEX2HTML+:} false; then :
+if test "${ac_cv_prog_LATEX2HTML+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$LATEX2HTML"; then
@@ -6696,7 +6707,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_LATEX2HTML="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -6728,7 +6739,7 @@ done
 set dummy bash; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_SHELLPROG+:} false; then :
+if test "${ac_cv_path_SHELLPROG+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $SHELLPROG in
@@ -6742,7 +6753,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_path_SHELLPROG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -6769,7 +6780,7 @@ fi
 set dummy test; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_TESTPROG+:} false; then :
+if test "${ac_cv_path_TESTPROG+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $TESTPROG in
@@ -6783,7 +6794,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_path_TESTPROG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -6879,21 +6890,10 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    if test "x$cache_file" != "x/dev/null"; then
+    test "x$cache_file" != "x/dev/null" &&
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-      if test ! -f "$cache_file" || test -h "$cache_file"; then
-	cat confcache >"$cache_file"
-      else
-        case $cache_file in #(
-        */* | ?:*)
-	  mv -f confcache "$cache_file"$$ &&
-	  mv -f "$cache_file"$$ "$cache_file" ;; #(
-        *)
-	  mv -f confcache "$cache_file" ;;
-	esac
-      fi
-    fi
+    cat confcache >$cache_file
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -6945,7 +6945,6 @@ DEFS=`sed -n "$ac_script" confdefs.h`
 
 ac_libobjs=
 ac_ltlibobjs=
-U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
@@ -6961,7 +6960,7 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 
-: "${CONFIG_STATUS=./config.status}"
+: ${CONFIG_STATUS=./config.status}
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
@@ -7062,7 +7061,6 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7108,19 +7106,19 @@ export LANGUAGE
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
-# as_fn_error STATUS ERROR [LINENO LOG_FD]
-# ----------------------------------------
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with STATUS, using 1 if that was 0.
+# script with status $?, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
   fi
-  $as_echo "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $1" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -7258,16 +7256,16 @@ if (echo >conf$$.file) 2>/dev/null; then
     # ... but there are two gotchas:
     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
+    # In both cases, we have to default to `cp -p'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -pR'
+      as_ln_s='cp -p'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -pR'
+    as_ln_s='cp -p'
   fi
 else
-  as_ln_s='cp -pR'
+  as_ln_s='cp -p'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
@@ -7316,7 +7314,7 @@ $as_echo X"$as_dir" |
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
@@ -7327,16 +7325,28 @@ else
   as_mkdir_p=false
 fi
 
-
-# as_fn_executable_p FILE
-# -----------------------
-# Test if FILE is an executable regular file.
-as_fn_executable_p ()
-{
-  test -f "$1" && test -x "$1"
-} # as_fn_executable_p
-as_test_x='test -x'
-as_executable_p=as_fn_executable_p
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+	test -d "$1/.";
+      else
+	case $1 in #(
+	-*)set "./$1";;
+	esac;
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+	???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -7358,7 +7368,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+generated by GNU Autoconf 2.65.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -7415,10 +7425,10 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.69,
+configured by $0, generated by GNU Autoconf 2.65,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -7434,16 +7444,11 @@ ac_need_defaults=:
 while test $# != 0
 do
   case $1 in
-  --*=?*)
+  --*=*)
     ac_option=`expr "X$1" : 'X\([^=]*\)='`
     ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
-  --*=)
-    ac_option=`expr "X$1" : 'X\([^=]*\)='`
-    ac_optarg=
-    ac_shift=:
-    ;;
   *)
     ac_option=$1
     ac_optarg=$2
@@ -7465,7 +7470,6 @@ do
     $ac_shift
     case $ac_optarg in
     *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
-    '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
@@ -7476,7 +7480,7 @@ do
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error $? "unrecognized option: \`$1'
+  -*) as_fn_error "unrecognized option: \`$1'
 Try \`$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
@@ -7496,7 +7500,7 @@ fi
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
-  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
   \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
@@ -7551,7 +7555,7 @@ do
     "runtime/$OBJC_RUNTIME_LIB.make") CONFIG_FILES="$CONFIG_FILES runtime/$OBJC_RUNTIME_LIB.make:config.make.in" ;;
     "default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -7573,10 +7577,9 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp= ac_tmp=
+  tmp=
   trap 'exit_status=$?
-  : "${ac_tmp:=$tmp}"
-  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
 }
@@ -7584,13 +7587,12 @@ $debug ||
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -d "$tmp"
+  test -n "$tmp" && test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
-ac_tmp=$tmp
+} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -7607,12 +7609,12 @@ if test "x$ac_cr" = x; then
 fi
 ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
 if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
-  ac_cs_awk_cr='\\r'
+  ac_cs_awk_cr='\r'
 else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -7621,18 +7623,18 @@ _ACEOF
   echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
   echo "_ACEOF"
 } >conf$$subs.sh ||
-  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
+  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   . ./conf$$subs.sh ||
-    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
 
   ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
   if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
-    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -7640,7 +7642,7 @@ done
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -7688,7 +7690,7 @@ t delim
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -7720,29 +7722,21 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
-  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+  || as_fn_error "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
-# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
-h
-s///
-s/^/:/
-s/[	 ]*$/:/
-s/:\$(srcdir):/:/g
-s/:\${srcdir}:/:/g
-s/:@srcdir@:/:/g
-s/^:*//
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[	 ]*\):*/\1/
 s/:*$//
-x
-s/\(=[	 ]*\).*/\1/
-G
-s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -7760,7 +7754,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -7779,7 +7773,7 @@ do
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$ac_tmp/stdin";;
+      -) ac_f="$tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -7788,7 +7782,7 @@ do
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
@@ -7814,8 +7808,8 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$ac_tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -7945,24 +7939,23 @@ s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 s&@INSTALL@&$ac_INSTALL&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
-  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
-      "$ac_tmp/out"`; test -z "$ac_out"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined" >&5
+which seems to be undefined.  Please make sure it is defined." >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined" >&2;}
+which seems to be undefined.  Please make sure it is defined." >&2;}
 
-  rm -f "$ac_tmp/stdin"
+  rm -f "$tmp/stdin"
   case $ac_file in
-  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
-  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
   esac \
-  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
  ;;
 
 
@@ -7984,7 +7977,7 @@ _ACEOF
 ac_clean_files=$ac_clean_files_save
 
 test $ac_write_fail = 0 ||
-  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
+  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
 
 
 # configure is writing to config.log, and then calls config.status.
@@ -8005,7 +7998,7 @@ if test "$no_create" != yes; then
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || as_fn_exit 1
+  $ac_cs_success || as_fn_exit $?
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
diff --git a/configure.ac b/configure.ac
index 989210a1..8c54d1b3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,6 +43,8 @@ targetArgument=${target}
 
 AC_CANONICAL_TARGET([])
 
+AC_PATH_PROG(GNUSTEP_HAS_PKGCONFIG, pkgconfig, yes, no)
+
 #--------------------------------------------------------------------
 # Setup the library combination
 #--------------------------------------------------------------------
diff --git a/messages.make b/messages.make
index b58b30c1..9cb4f894 100644
--- a/messages.make
+++ b/messages.make
@@ -79,6 +79,10 @@ ifneq ($(messages),yes)
   ECHO_INSTALLING_ADD_CLASS_FILES = @(echo " Installing nested class files...";
   ECHO_INSTALLING_PROPERTIES_FILES = @(echo " Installing property files...";
   ECHO_CREATING_JAR_FILE = @(echo " Creating jar file...";
+
+  # Instance/Shared/pkgconfig.make
+  ECHO_INSTALLING_PKGCONFIG = @(echo " Installing pkg-config files...";
+
   # Instance/Shared/stamp-string.make
   ECHO_CREATING_STAMP_FILE = @(echo " Creating stamp file...";