configure.in: Handle multilibs, support --enable-version-specific-runtime-libs.

* configure.in: Handle multilibs, support
	--enable-version-specific-runtime-libs.
	* Makefile.am (lib_LTLIBRARIES): Rename to ...
        (toolexeclib_LTLIBRARIES): this for multilib support.
	* Makefile.in: Regenerated.
	* configure: Regenerated.
	* aclocal.m4: Regenerated.

	* testsuite/lib/libmudflap.exp (libmudflap-init): Handle
	multilibs, using multilib directory instead of hardcoded path.
	Set LD_RUN_PATH.

From-SVN: r82527

libmudflap/ChangeLog

@@ -1,3 +1,19 @@
+2004-06-01  Andreas Jaeger  <aj@suse.de>
+
+	* configure.in: Handle multilibs, support
+	--enable-version-specific-runtime-libs.
+	* Makefile.am (lib_LTLIBRARIES): Rename to ...
+        (toolexeclib_LTLIBRARIES): this for multilib support.
+	* Makefile.in: Regenerated.
+	* configure: Regenerated.
+	* aclocal.m4: Regenerated.
+
+2004-06-01  Andreas Jaeger  <aj@suse.de>
+
+	* testsuite/lib/libmudflap.exp (libmudflap-init): Handle
+	multilibs, using multilib directory instead of hardcoded path.
+	Set LD_RUN_PATH.
+
 2004-05-21  Frank Ch. Eigler  <fche@redhat.com>
 
 	* Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
@@ -974,4 +990,3 @@
 	* mf-hooks.c: New file: interposed libc functions.
 	* mf-runtime.c: New file: bulk of runtime.
 	* mf-runtime.h: New file: public functions.
-

libmudflap/Makefile.am

@@ -16,7 +16,7 @@ else
 libmudflapth =
 endif
 
-lib_LTLIBRARIES = libmudflap.la $(libmudflapth)
+toolexeclib_LTLIBRARIES = libmudflap.la $(libmudflapth)
 include_HEADERS = mf-runtime.h
 
 libmudflap_la_SOURCES = \

libmudflap/configure.in

@@ -11,17 +11,40 @@ AC_SUBST(PACKAGE)
 libtool_VERSION=1:0:0
 AC_SUBST(libtool_VERSION)
 
-dnl AM_ENABLE_MULTILIB
+AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
+AC_ARG_ENABLE(version-specific-runtime-libs,
+[  --enable-version-specific-runtime-libs    Specify that runtime libraries should be installed in a compiler-specific directory ],
+[case "$enableval" in
+ yes) version_specific_libs=yes ;;
+ no)  version_specific_libs=no ;;
+ *)   AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
+ esac],
+[version_specific_libs=no])
+AC_MSG_RESULT($version_specific_libs)
+
 AM_MAINTAINER_MODE
 AC_EXEEXT
 
+AM_ENABLE_MULTILIB(, ..)
+
 target_alias=${target_alias-$target}
 AC_SUBST(target_alias)
 
 AM_CONFIG_HEADER(config.h)
 
 AC_LANG_C
+# The same as in boehm-gc and libstdc++. Have to borrow it from there.
+# We must force CC to /not/ be precious variables; otherwise
+# the wrong, non-multilib-adjusted value will be used in multilibs.
+# As a side effect, we have to subst CFLAGS ourselves.
+
+m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
+m4_define([_AC_ARG_VAR_PRECIOUS],[])
 AC_PROG_CC
+m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+
+AC_SUBST(CFLAGS)
+
 if test "x$GCC" != "xyes"; then
   AC_MSG_ERROR([libmudflap must be built with GCC])
 fi
@@ -95,6 +118,42 @@ AM_CONDITIONAL(LIBMUDFLAPTH, [test "x$ac_have_pthread_h" != ""])
 
 AC_CHECK_LIB(dl, dlsym)
 
+# Process the option "--enable-version-specific-runtime-libs"
+gcc_version_trigger=${srcdir}/../gcc/version.c
+gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
+gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
+AC_SUBST(gcc_version)
+
+# Calculate toolexeclibdir
+# Also toolexecdir, though it's only used in toolexeclibdir
+case ${version_specific_libs} in
+  yes)
+    # Need the gcc compiler version to know where to install libraries
+    # and header files if --enable-version-specific-runtime-libs option
+    # is selected.
+    toolexecdir='$(libdir)/gcc/$(target_alias)'
+    toolexeclibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
+    ;;
+  no)
+    if test -n "$with_cross_host" &&
+       test x"$with_cross_host" != x"no"; then
+      # Install a library built with a cross compiler in tooldir, not libdir.
+      toolexecdir='$(exec_prefix)/$(target_alias)'
+      toolexeclibdir='$(toolexecdir)/lib'
+    else
+      toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
+      toolexeclibdir='$(libdir)'
+    fi
+    multi_os_directory=`$CC -print-multi-os-directory`
+    case $multi_os_directory in
+      .) ;; # Avoid trailing /.
+      *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
+    esac
+    ;;
+esac
+AC_SUBST(toolexecdir)
+AC_SUBST(toolexeclibdir)
+
 if test "x$enable_shared" = "xyes" && test "x$ac_have_pthread_h" != ""; then
   # NB: don't check for -lpthread here, because then it would be
   # added to LIBS.  For the thread-unaware libmudflap.la, we don't
@@ -133,5 +192,10 @@ EOF
 fi
 AC_DEFINE_UNQUOTED(PTHREAD_CREATE_VERSION, $pthread_create_version, [pthread_create symbol version])
 
+if test ${multilib} = yes; then
+  multilib_arg="--enable-multilib"
+else
+  multilib_arg=
+fi
 
 AC_OUTPUT([Makefile testsuite/Makefile mf-runtime.h])

libmudflap/testsuite/lib/libmudflap.exp

@@ -1,4 +1,4 @@
-# Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -76,7 +76,7 @@ proc libmudflap-init { language } {
     }
     append ld_library_path ":${blddir}/.libs"
 
-    set libs "-L../.libs -L../../../gcc"
+    set libs "-L${blddir}/.libs"
     set cxxflags "-ggdb3 -DDEBUG_ASSERT"
     set includes "-I${srcdir} -I.."
 
@@ -87,7 +87,7 @@ proc libmudflap-init { language } {
             # c++ libs are included by --build-cxx below
             set cxx "[exec sh $cxxflags_file --build-cxx]"
         } else {
-            lappend libs "-L../../libstdc++-v3/src/.libs"
+            lappend libs "-L${cxxblddir}src/.libs"
             lappend includes "-I../../libstdc++-v3/include"
         }
     }
@@ -95,6 +95,7 @@ proc libmudflap-init { language } {
     verbose -log "ld_library_path=$ld_library_path"
     setenv  LD_LIBRARY_PATH     $ld_library_path
     setenv  SHLIB_PATH          $ld_library_path
+    setenv  LD_RUN_PATH         $ld_library_path
     setenv  LD_LIBRARYN32_PATH  $ld_library_path
     setenv  LD_LIBRARY64_PATH   $ld_library_path