Copied from base: only warn if compiler is different from the one configured in make

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@38493 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,10 @@
+2015-05-13 Riccardo Mottola <rm@gnu.org>
+
+	* configure.ac
+	Copied from base: only warn if compiler is different from the one configured in make
+	* configure
+	regenerated
+
 2015-05-12 Riccardo Mottola <rm@gnu.org>
 
 	* configure.ac

configure

@@ -2391,14 +2391,44 @@ test -n "$target_alias" &&
 #--------------------------------------------------------------------
 # Find the compiler
 #--------------------------------------------------------------------
+MAKECC=`gnustep-config --variable=CC`
+MAKECPP=`gnustep-config --variable=CPP`
+MAKECXX=`gnustep-config --variable=CXX`
 if test "$CC" = ""; then
-  CC=`gnustep-config --variable=CC`
+  CC=$MAKECC
+else
+  if test "$CC" != "$MAKECC"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: You are running configure with the compiler ($CC) set to a different value from that used by gnustep-make ($MAKECC).  To a
+void conflicts/problems, reconfigure/reinstall gnustep-make to use $CC or run the gnustep-base configure again with your CC environment var
+iable set to $MAKECC" >&5
+$as_echo "$as_me: WARNING: You are running configure with the compiler ($CC) set to a different value from that used by gnustep-make ($MAKECC).  To a
+void conflicts/problems, reconfigure/reinstall gnustep-make to use $CC or run the gnustep-base configure again with your CC environment var
+iable set to $MAKECC" >&2;}
+  fi
 fi
 if test "$CPP" = ""; then
-  CPP=`gnustep-config --variable=CPP`
+  CPP=$MAKECPP
+else
+  if test "$CPP" != "$MAKECPP"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: You are running configure with the preprocessor ($CPP) set to a different value from that used by gnustep-make ($MAKECPP).
+  To avoid conflicts/problems, reconfigure/reinstall gnustep-make to use $CPP or run the gnustep-base configure again with your CPP environ
+ment variable set to $MAKECPP" >&5
+$as_echo "$as_me: WARNING: You are running configure with the preprocessor ($CPP) set to a different value from that used by gnustep-make ($MAKECPP).
+  To avoid conflicts/problems, reconfigure/reinstall gnustep-make to use $CPP or run the gnustep-base configure again with your CPP environ
+ment variable set to $MAKECPP" >&2;}
+  fi
 fi
 if test "$CXX" = ""; then
-  CXX=`gnustep-config --variable=CXX`
+  CXX=$MAKECXX
+else
+  if test "$CXX" != "$MAKECXX"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: You are running configure with the compiler ($CXX) set to a different value from that used by gnustep-make ($MAKECXX).  To
+ avoid conflicts/problems, reconfigure/reinstall gnustep-make to use $CXX or run the gnustep-base configure again with your CXX environment
+ variable set to $MAKECXX" >&5
+$as_echo "$as_me: WARNING: You are running configure with the compiler ($CXX) set to a different value from that used by gnustep-make ($MAKECXX).  To
+ avoid conflicts/problems, reconfigure/reinstall gnustep-make to use $CXX or run the gnustep-base configure again with your CXX environment
+ variable set to $MAKECXX" >&2;}
+  fi
 fi
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -3327,12 +3357,6 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-MAKECC=`gnustep-config --variable=CC`
-if test "$CC" != "$MAKECC"; then
-  as_fn_error $? "You are running configure with the compiler ($CC) set to a different value from that used by gnustep-make ($MAKECC).  Please run configure again with your environment set to match your gnustep-make" "$LINENO" 5
-  exit 1
-fi
-
 #--------------------------------------------------------------------
 # Add target OS directories as necessary
 #--------------------------------------------------------------------

configure.ac

@@ -54,24 +54,39 @@ AC_CANONICAL_TARGET([])
 #--------------------------------------------------------------------
 # Find the compiler
 #--------------------------------------------------------------------
+MAKECC=`gnustep-config --variable=CC`
+MAKECPP=`gnustep-config --variable=CPP`
+MAKECXX=`gnustep-config --variable=CXX`
 if test "$CC" = ""; then
-  CC=`gnustep-config --variable=CC`
+  CC=$MAKECC
+else
+  if test "$CC" != "$MAKECC"; then
+    AC_MSG_WARN([You are running configure with the compiler ($CC) set to a different value from that used by gnustep-make ($MAKECC).  To a
+void conflicts/problems, reconfigure/reinstall gnustep-make to use $CC or run the gnustep-base configure again with your CC environment var
+iable set to $MAKECC])
+  fi
 fi
 if test "$CPP" = ""; then
-  CPP=`gnustep-config --variable=CPP`
+  CPP=$MAKECPP
+else
+  if test "$CPP" != "$MAKECPP"; then
+    AC_MSG_WARN([You are running configure with the preprocessor ($CPP) set to a different value from that used by gnustep-make ($MAKECPP).
+  To avoid conflicts/problems, reconfigure/reinstall gnustep-make to use $CPP or run the gnustep-base configure again with your CPP environ
+ment variable set to $MAKECPP])
+  fi
 fi
 if test "$CXX" = ""; then
-  CXX=`gnustep-config --variable=CXX`
+  CXX=$MAKECXX
+else
+  if test "$CXX" != "$MAKECXX"; then
+    AC_MSG_WARN([You are running configure with the compiler ($CXX) set to a different value from that used by gnustep-make ($MAKECXX).  To
+ avoid conflicts/problems, reconfigure/reinstall gnustep-make to use $CXX or run the gnustep-base configure again with your CXX environment
+ variable set to $MAKECXX])
+  fi
 fi
 AC_PROG_CC
 AC_PROG_CPP
 
-MAKECC=`gnustep-config --variable=CC`
-if test "$CC" != "$MAKECC"; then
-  AC_MSG_ERROR([You are running configure with the compiler ($CC) set to a different value from that used by gnustep-make ($MAKECC).  Please run configure again with your environment set to match your gnustep-make])
-  exit 1
-fi
-
 #--------------------------------------------------------------------
 # Add target OS directories as necessary
 #--------------------------------------------------------------------