Add option to enable readline support

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/devmodules/dev-libs/ec@34780 72102866-910b-0410-8b05-ffd578937521

EcConsole.m

@@ -32,10 +32,11 @@
 #import "EcProcess.h"
 #import "NSFileHandle+Printf.h"
 
-#include <sys/signal.h>
+#import "config.h"
 
-#if WITH_READLINE
+#if defined(HAVE_LIBREADLINE)
 #  include <stdlib.h>
+#  include <unistd.h>
 #  include <readline/readline.h>
 #  include <readline/history.h>
 #endif
@@ -70,7 +71,11 @@ static BOOL commandIsRepeat (NSString *string)
   int			pos;
 }
 - (void) connectionBecameInvalid: (NSNotification*)notification;
-#if !WITH_READLINE
+#if defined(HAVE_LIBREADLINE)
+- (void) activateReadline;
+- (void) deactivateReadline;
+- (void) setupConnection;
+#else
 - (void) didRead: (NSNotification*)notification;
 #endif
 - (void) didWrite: (NSNotification*)notification;
@@ -92,7 +97,7 @@ static BOOL commandIsRepeat (NSString *string)
 {
   [ochan puts: @"\nExiting\n"];
 
-#if WITH_READLINE
+#if defined(HAVE_LIBREADLINE)
   [self deactivateReadline];
 #endif
 
@@ -182,11 +187,11 @@ static BOOL commandIsRepeat (NSString *string)
   extra: (void*)extra
   forMode: (NSString*)mode
 {
-#if WITH_READLINE
+#if defined(HAVE_LIBREADLINE)
   rl_callback_read_char();
 #else
   NSLog(@"ERROR: this should not get called w/o readline: %s",
-	__PRETTY_FUNCTION__);
+    __PRETTY_FUNCTION__);
 #endif
 }
 
@@ -223,7 +228,7 @@ static BOOL commandIsRepeat (NSString *string)
   [arp release];
 }
 
-#if WITH_READLINE
+#if defined(HAVE_LIBREADLINE)
 
 - (char **)complete:(const char *)_text range:(NSRange)_range
 {
@@ -232,7 +237,7 @@ static BOOL commandIsRepeat (NSString *string)
 
 #endif
 
-#if !WITH_READLINE
+#if !defined(HAVE_LIBREADLINE)
 - (void) didRead: (NSNotification*)notification
 {
   NSDictionary	*userInfo = [notification userInfo];
@@ -471,7 +476,7 @@ static BOOL commandIsRepeat (NSString *string)
       return;
     }
 
-#if !WITH_READLINE
+#if !defined(HAVE_LIBREADLINE)
   if (user == nil)
     {
       if ([cmd length] > 0)
@@ -556,7 +561,7 @@ static BOOL commandIsRepeat (NSString *string)
 	}
     }
   else
-#endif /* WITH_READLINE */
+#endif /* defined(HAVE_LIBREADLINE) */
   if (commandIsRepeat(cmd))
     {
       if (pastWords == nil)
@@ -712,7 +717,7 @@ static BOOL commandIsRepeat (NSString *string)
       ichan = [[NSFileHandle fileHandleWithStandardInput] retain];
       ochan = [[NSFileHandle fileHandleWithStandardOutput] retain];
 
-#if !WITH_READLINE
+#if !defined(HAVE_LIBREADLINE)
       [[NSNotificationCenter defaultCenter] addObserver: self
 		     selector: @selector(didRead:)
 			 name: NSFileHandleReadCompletionNotification
@@ -728,7 +733,7 @@ static BOOL commandIsRepeat (NSString *string)
 {
   NSRunLoop	*loop;
 
-#if WITH_READLINE
+#if defined(HAVE_LIBREADLINE)
   [self setupConnection];
   [self activateReadline];
 #endif
@@ -742,7 +747,7 @@ static BOOL commandIsRepeat (NSString *string)
 	}
     }
 
-#if WITH_READLINE
+#if defined(HAVE_LIBREADLINE)
   [self deactivateReadline];
 #endif
   return 0;
@@ -755,10 +760,10 @@ static BOOL commandIsRepeat (NSString *string)
 
 /* readline handling */
 
-#if WITH_READLINE
+#if defined(HAVE_LIBREADLINE)
 
 /* readline callbacks have no context, so we need this one ... */
-static Console *rlConsole = nil;
+static EcConsole *rlConsole = nil;
 
 static void readlineReadALine(char *_line)
 {
@@ -779,7 +784,8 @@ static char **consoleCompleter(const char *text, int start, int end)
   return [rlConsole complete:text range:NSMakeRange(start, end - start)];
 }
 
-- (void)activateReadline {
+- (void) activateReadline
+{
   rlConsole = self;
   
   /* setup readline */
@@ -798,7 +804,7 @@ static char **consoleCompleter(const char *text, int start, int end)
 			       forMode: NSDefaultRunLoopMode];
 }
 
-- (void)deactivateReadline
+- (void) deactivateReadline
 {
   [[NSRunLoop currentRunLoop] removeEvent: (void*)(uintptr_t)0
 				     type: ET_RDESC 
@@ -809,7 +815,7 @@ static char **consoleCompleter(const char *text, int start, int end)
   rlConsole = nil;
 }
 
-- (void) setupConnectionr
+- (void) setupConnection
 {
   while (self->server == nil)
     {
@@ -906,6 +912,6 @@ static char **consoleCompleter(const char *text, int start, int end)
     }
 }
 
-#endif /* WITH_READLINE */
+#endif /* defined(HAVE_LIBREADLINE) */
 
 @end

GNUmakefile

@@ -28,7 +28,7 @@ Ec_INTERFACE_VERSION=0.1
 NEEDS_GUI=NO
 
 # The libraries to be compiled
-LIBRARY_NAME = ECCL EcTools
+LIBRARY_NAME = ECCL
 
 # The Objective-C source files to be compiled
 ECCL_OBJC_FILES = \
@@ -53,13 +53,6 @@ ECCL_HEADER_FILES = \
 	EcProcess.h \
 	EcUserDefaults.h \
 
-EcTools_OBJC_FILES = \
-	EcCommand.m \
-	EcConsole.m \
-	EcControl.m \
-	EcClientI.m \
-	NSFileHandle+Printf.m \
-
 
 TOOL_NAME = \
 	Command \
@@ -67,16 +60,16 @@ TOOL_NAME = \
 	Control \
 
 
-Command_OBJC_FILES = Command.m
+Command_OBJC_FILES = Command.m EcCommand.m EcClientI.m NSFileHandle+Printf.m
-Command_TOOL_LIBS += -lECCL -lEcTools
+Command_TOOL_LIBS += -lECCL
 Command_LIB_DIRS += -L./$(GNUSTEP_OBJ_DIR)
 
-Console_OBJC_FILES = Console.m
+Console_OBJC_FILES = Console.m EcConsole.m NSFileHandle+Printf.m
-Console_TOOL_LIBS += -lECCL -lEcTools
+Console_TOOL_LIBS += -lECCL
 Console_LIB_DIRS += -L./$(GNUSTEP_OBJ_DIR)
 
-Control_OBJC_FILES = Control.m
+Control_OBJC_FILES = Control.m EcControl.m EcClientI.m NSFileHandle+Printf.m
-Control_TOOL_LIBS += -lECCL -lEcTools
+Control_TOOL_LIBS += -lECCL
 Control_LIB_DIRS += -L./$(GNUSTEP_OBJ_DIR)
 
 

config.h

@@ -1,5 +1,5 @@
 /* config.h.  Generated from config.h.in by configure.  */
-/* config.h.in.  Generated from configure.in by autoheader.  */
+/* config.h.in.  Generated from configure.ac by autoheader.  */
 
 /* Define to the type of elements in the array set by `getgroups'. Usually
    this is either `int' or `gid_t'. */
@@ -20,6 +20,9 @@
 /* Define to 1 if you have the <inttypes.h> header file. */
 #define HAVE_INTTYPES_H 1
 
+/* Define if you have libreadline */
+#define HAVE_LIBREADLINE 1
+
 /* Define to 1 if you have the <memory.h> header file. */
 #define HAVE_MEMORY_H 1
 

config.h.in

@@ -1,4 +1,4 @@
-/* config.h.in.  Generated from configure.in by autoheader.  */
+/* config.h.in.  Generated from configure.ac by autoheader.  */
 
 /* Define to the type of elements in the array set by `getgroups'. Usually
    this is either `int' or `gid_t'. */
@@ -19,6 +19,9 @@
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
+/* Define if you have libreadline */
+#undef HAVE_LIBREADLINE
+
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H
 

config.make.in

@@ -0,0 +1,3 @@
+
+Console_TOOL_LIBS += @LIBREADLINE@
+

configure

@@ -637,6 +637,7 @@ ac_includes_default="\
 
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
+LIBREADLINE
 EGREP
 GREP
 host_os
@@ -695,6 +696,7 @@ SHELL'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
+with_readline
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1324,6 +1326,11 @@ if test -n "$ac_init_help"; then
 
   cat <<\_ACEOF
 
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-readline         support fancy command line editing [default=check]
+
 Some influential environment variables:
   CC          C compiler command
   CFLAGS      C compiler flags
@@ -4204,6 +4211,101 @@ fi
 done
 
 
+
+# Check whether --with-readline was given.
+if test "${with_readline+set}" = set; then
+  withval=$with_readline;
+else
+  with_readline=no
+fi
+
+
+LIBREADLINE=
+  if test "x$with_readline" = xyes; then
+  { $as_echo "$as_me:$LINENO: checking for main in -lreadline" >&5
+$as_echo_n "checking for main in -lreadline... " >&6; }
+if test "${ac_cv_lib_readline_main+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lreadline -lncurses $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+int
+main ()
+{
+return main ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_readline_main=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_readline_main=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_readline_main" >&5
+$as_echo "$ac_cv_lib_readline_main" >&6; }
+if test "x$ac_cv_lib_readline_main" = x""yes; then
+  LIBREADLINE="-lreadline -lncurses"
+
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_LIBREADLINE 1
+_ACEOF
+
+
+else
+  if test "x$with_readline" != xcheck; then
+	 { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: --with-readline was given, but test for readline failed
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: --with-readline was given, but test for readline failed
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+       fi
+
+fi
+
+fi
+
+
 ac_config_files="$ac_config_files config.make"
 
 cat >confcache <<\_ACEOF
@@ -5445,3 +5547,4 @@ $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
 
+

configure.ac

@@ -0,0 +1,45 @@
+dnl Process this file with autoconf to produce configure.
+
+AC_INIT(EcProcess.h)
+AC_CONFIG_HEADER(config.h)
+AC_PROG_CC
+AC_PROG_CPP
+
+AC_CANONICAL_HOST
+
+dnl start proper config checks
+AC_TYPE_SIGNAL
+
+AC_HEADER_STDC
+AC_HEADER_TIME
+AC_HEADER_SYS_WAIT
+AC_CHECK_HEADERS(arpa/inet.h arpa/telnet.h netinet/in.h netdb.h pwd.h string.h fcntl.h sys/fcntl.h sys/file.h sys/resource.h sys/time.h sys/types.h sys/socket.h sys/signal.h stdlib.h unistd.h)
+
+AC_TYPE_GETGROUPS
+AC_TYPE_SIGNAL
+AC_TYPE_MODE_T
+
+AC_CHECK_FUNCS(getpid setpgid)
+
+AC_ARG_WITH([readline],
+  [AS_HELP_STRING([--with-readline],
+    [support fancy command line editing @<:@default=check@:>@])],
+    [],
+    [with_readline=no])
+          
+LIBREADLINE=
+  AS_IF([test "x$with_readline" = xyes],
+    [AC_CHECK_LIB([readline], [main],
+      [AC_SUBST([LIBREADLINE], ["-lreadline -lncurses"])
+       AC_DEFINE([HAVE_LIBREADLINE], [1],
+		 [Define if you have libreadline])
+      ],
+      [if test "x$with_readline" != xcheck; then
+	 AC_MSG_FAILURE(
+	   [--with-readline was given, but test for readline failed])
+       fi
+      ], -lncurses)])
+
+AC_OUTPUT(config.make)
+
+

configure.in

@@ -1,25 +0,0 @@
-dnl Process this file with autoconf to produce configure.
-
-AC_INIT(EcProcess.h)
-AC_CONFIG_HEADER(config.h)
-AC_PROG_CC
-AC_PROG_CPP
-
-AC_CANONICAL_HOST
-
-dnl start proper config checks
-AC_TYPE_SIGNAL
-
-AC_HEADER_STDC
-AC_HEADER_TIME
-AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(arpa/inet.h arpa/telnet.h netinet/in.h netdb.h pwd.h string.h fcntl.h sys/fcntl.h sys/file.h sys/resource.h sys/time.h sys/types.h sys/socket.h sys/signal.h stdlib.h unistd.h)
-
-AC_TYPE_GETGROUPS
-AC_TYPE_SIGNAL
-AC_TYPE_MODE_T
-
-AC_CHECK_FUNCS(getpid setpgid)
-
-AC_OUTPUT(config.make)
-