./ChangeLog:

1998-11-26  Manfred Hollstein  <manfred@s-direktnet.de>
	* configure (skip-this-dir): Add handling for new shell script, which
	might be created by a sub-directory's configure to indicate, this particular
	directory is "unwanted".
	* Makefile.in ($(CONFIGURE_TARGET_MODULES)): Likewise.
./gcc/ChangeLog:
1998-11-26  Manfred Hollstein  <manfred@s-direktnet.de>
	* Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
	which can be configured.
	(LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
	(Makefile): Pass actual LANGUAGES through the environment when
	re-configuring.
	(cstamp-h): Likewise.
	(config.status): Likewise.
	* configure.in (enable_languages): Add new configuration parameter
	"--enable-languages=lang1,lang2,...".
	(${srcdir}/*/config-lang.in): Change handling to configure only
	those directories, that the user might have enabled; default to
	"all" existing languages.
	* configure: Regenerate.
./libchill/ChangeLog:
1998-11-26  Manfred Hollstein  <manfred@s-direktnet.de>
	* configure.in (compiler_name): Add check to detect if this
	language's compiler has been built.
	* configure: Regenerate.
./libf2c/ChangeLog:
1998-11-26  Manfred Hollstein  <manfred@s-direktnet.de>
	* configure.in (compiler_name): Add check to detect if this
	language's compiler has been built.
	* configure: Regenerate.
./libio/ChangeLog:
1998-11-26  Manfred Hollstein  <manfred@s-direktnet.de>
	* configure.in (compiler_name): Add check to detect if this
	language's compiler has been built.
./libobjc/ChangeLog:
1998-11-26  Manfred Hollstein  <manfred@s-direktnet.de>
	* configure.in (compiler_name): Add check to detect if this
	language's compiler has been built.
	* configure: Regenerate.
./libstdc++/ChangeLog:
1998-11-26  Manfred Hollstein  <manfred@s-direktnet.de>
	* configure.in (compiler_name): Add check to detect if this
	language's compiler has been built.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@23892 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 88 insertions, 27 deletions

diff --git a/libobjc/ChangeLog b/libobjc/ChangeLog
index 32872a5205b..ef8f0734ded 100644
--- a/libobjc/ChangeLog
+++ b/libobjc/ChangeLog
@@ -1,3 +1,9 @@
+1998-11-26  Manfred Hollstein  <manfred@s-direktnet.de>
+
+	* configure.in (compiler_name): Add check to detect if this
+	language's compiler has been built.
+	* configure: Regenerate.
+
 Mon Nov 23 16:50:28 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	*  configure.in: Use AC_PREREQ(2.12.1).
diff --git a/libobjc/configure b/libobjc/configure
index 2a581436b09..2efba0c5e08 100755
--- a/libobjc/configure
+++ b/libobjc/configure
@@ -553,12 +553,42 @@ ac_config_sub=$ac_aux_dir/config.sub
 ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 
 
+# If the language specific compiler does not exist, but the "gcc" directory does,
+# we do not build anything. Note, $r is set by the top-level Makefile.
+compiler_name=cc1obj
+rm -f skip-this-dir
+echo $ac_n "checking if compiler $compiler_name has been built""... $ac_c" 1>&6
+echo "configure:562: checking if compiler $compiler_name has been built" >&5
+if eval "test \"`echo '$''{'objc_cv_compiler_exists'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  objc_cv_compiler_exists=yes
+	if test -n "$r"; then
+		if test -d "$r"/gcc; then
+			if test -f "$r"/gcc/$compiler_name; then
+				true
+			else
+				objc_cv_compiler_exists=no
+				echo "rm -f config.cache config.log multilib.out" > skip-this-dir
+			fi
+		fi
+	fi
+	
+fi
+
+echo "$ac_t""$objc_cv_compiler_exists" 1>&6
+if test x$objc_cv_compiler_exists = xno
+then
+	rm -f Makefile conftest* confdefs* core
+	exit 0
+fi
+
 # For ObjC we'll set CC to point at the built gcc, but this will get it into
 # the makefiles
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:562: checking for $ac_word" >&5
+echo "configure:592: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -587,7 +617,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:591: checking for $ac_word" >&5
+echo "configure:621: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -635,7 +665,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:639: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:669: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -645,11 +675,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 649 "configure"
+#line 679 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:683: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -669,12 +699,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:673: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:703: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:678: checking whether we are using GNU C" >&5
+echo "configure:708: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -683,7 +713,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:687: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:717: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -698,7 +728,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:702: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:732: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -734,7 +764,7 @@ else
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:738: checking for $ac_word" >&5
+echo "configure:768: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -773,7 +803,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:777: checking for a BSD compatible install" >&5
+echo "configure:807: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -827,7 +857,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 # Sanity check for the cross-compilation case:
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:831: checking how to run the C preprocessor" >&5
+echo "configure:861: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -842,13 +872,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 846 "configure"
+#line 876 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:852: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:882: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -859,13 +889,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 863 "configure"
+#line 893 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:869: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:899: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -889,17 +919,17 @@ echo "$ac_t""$CPP" 1>&6
 
 ac_safe=`echo "stdio.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for stdio.h""... $ac_c" 1>&6
-echo "configure:893: checking for stdio.h" >&5
+echo "configure:923: checking for stdio.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 898 "configure"
+#line 928 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:903: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:933: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -927,12 +957,12 @@ fi
 
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:931: checking for ANSI C header files" >&5
+echo "configure:961: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 936 "configure"
+#line 966 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -940,7 +970,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:944: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:974: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -957,7 +987,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 961 "configure"
+#line 991 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -975,7 +1005,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 979 "configure"
+#line 1009 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -996,7 +1026,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1000 "configure"
+#line 1030 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1007,7 +1037,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1011: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1041: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1041,7 +1071,7 @@ else
 fi
 
 echo $ac_n "checking for thread file""... $ac_c" 1>&6
-echo "configure:1045: checking for thread file" >&5
+echo "configure:1075: checking for thread file" >&5
 if eval "test \"`echo '$''{'objc_cv_thread_file'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
diff --git a/libobjc/configure.in b/libobjc/configure.in
index f3c7c5b16ae..73bdd0d49be 100644
--- a/libobjc/configure.in
+++ b/libobjc/configure.in
@@ -36,6 +36,31 @@ dnl This is needed for a multilibbed build in the source tree so
 dnl that install-sh and config.sub get found.
 AC_CONFIG_AUX_DIR($topsrcdir)
 
+# If the language specific compiler does not exist, but the "gcc" directory does,
+# we do not build anything. Note, $r is set by the top-level Makefile.
+compiler_name=cc1obj
+rm -f skip-this-dir
+AC_MSG_CHECKING(if compiler $compiler_name has been built)
+AC_CACHE_VAL(objc_cv_compiler_exists,
+	[objc_cv_compiler_exists=yes
+	if test -n "$r"; then
+		if test -d "$r"/gcc; then
+			if test -f "$r"/gcc/$compiler_name; then
+				true
+			else
+				objc_cv_compiler_exists=no
+				echo "rm -f config.cache config.log multilib.out" > skip-this-dir
+			fi
+		fi
+	fi
+	])
+AC_MSG_RESULT($objc_cv_compiler_exists)
+if test x$objc_cv_compiler_exists = xno
+then
+	rm -f Makefile conftest* confdefs* core
+	exit 0
+fi
+
 dnl Checks for programs.
 # For ObjC we'll set CC to point at the built gcc, but this will get it into
 # the makefiles