libtool.m4: Sync darwin bits from libtool cvs to build a gcc with shared/dylibed libraries.

2003-11-19  Andreas Tobler  <a.tobler@schweiz.ch>

	* libtool.m4: Sync darwin bits from libtool cvs to build a gcc with
	shared/dylibed libraries.
	* ltmain.sh: Likewise.
	* ltcf-c.sh: Likewise, disable shared library build for OS-X < 10.3.
	* ltcf-cxx.sh: Likewise.
	* ltcf-gcj.sh: Likewise.
	* ltconfig: Likewise.

From-SVN: r73729

1 files changed, 21 insertions, 2 deletions

diff --git a/ltconfig b/ltconfig
index 7ed24bc..9c420ac 100755
--- a/ltconfig
+++ b/ltconfig
@@ -965,6 +965,7 @@ test -z "$deplibs_check_method" && deplibs_check_method=unknown
 library_names_spec=
 libname_spec='lib$name'
 soname_spec=
+shrext=".so"
 postinstall_cmds=
 postuninstall_cmds=
 finish_cmds=
@@ -1102,13 +1103,28 @@ cygwin* | mingw* | pw32*)
 
 darwin* | rhapsody*)
   dynamic_linker="$host_os dyld"
+  lt_cv_dlopen="dyld"
+  lt_cv_dlopen_libs=
+  lt_cv_dlopen_self=yes
   version_type=darwin
   need_lib_prefix=no
   need_version=no
-  library_names_spec='${libname}${release}${versuffix}.`test .$module = .yes && echo so || echo dylib` ${libname}${release}${major}.$`test .$module = .yes && echo so || echo dylib` ${libname}.`test .$module = .yes && echo so || echo dylib`'
-  soname_spec='${libname}${release}${major}.`test .$module = .yes && echo so || echo dylib`'
+  # Disable shared library build on OS-X older than 10.3.
+  case $host_os in
+      darwin[1-6]*)
+	  can_build_shared=no
+	  ;;
+      darwin7*)
+	  can_build_shared=yes
+	  ;;
+  esac
+  library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+  soname_spec='${libname}${release}${major}$shared_ext'
   shlibpath_overrides_runpath=yes
   shlibpath_var=DYLD_LIBRARY_PATH
+  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
+  sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
   ;;
 
 freebsd1*)
@@ -2325,6 +2341,9 @@ objext="$objext"
 # Old archive suffix (normally "a").
 libext="$libext"
 
+# Shared library suffix (normally ".so").
+shrext='$shrext'
+
 # Executable file suffix (normally "").
 exeext="$exeext"