diff --git a/ChangeLog b/ChangeLog
index ce21d01b14ae0da3451c8ae6f875c986dedb93f1..a60202fea358e18fdb2acc164c2d11b0de699e64 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2001-02-05  Mark Mitchell  <mark@codesourcery.com>
 
+	* ltcf-c.sh: Add support for --no-undefined under GNU/Linux.
+	* ltcf-cxx.sh: Likewise.
+
 	* config.if: Assume enable_libstdcxx_v3 is defined.
 
 2001-02-04  Mark Mitchell  <mark@codesourcery.com>
diff --git a/ltcf-c.sh b/ltcf-c.sh
index 80bf5ae18c031c90cd7b5f6c1731271e8c2943f8..8e1cf87c9ebee02dfeea2328563ae1f374a6a9d2 100644
--- a/ltcf-c.sh
+++ b/ltcf-c.sh
@@ -207,8 +207,9 @@ EOF
 
   *)
     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
-      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
-      archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${allow_undefined_flag} ${wl}-soname $wl$soname -o $lib'
+      archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${allow_undefined_flag} ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      no_undefined_flag='${wl}--no-undefined'
     else
       ld_shlibs=no
     fi
diff --git a/ltcf-cxx.sh b/ltcf-cxx.sh
index 1a5a60eabd212fde092da82312d5fd8d651341fb..068f15660f2c41e68111a692e19baccedbd0dedd 100644
--- a/ltcf-cxx.sh
+++ b/ltcf-cxx.sh
@@ -73,8 +73,9 @@ if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (ev
       egrep 'GNU ld' > /dev/null; then
     with_gnu_ld=yes
 
-    archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
-    archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+    archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${allow_undefined_flag} ${wl}-soname $wl$soname -o $lib'
+    archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${allow_undefined_flag} ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+    no_undefined_flag='${wl}--no-undefined'
 
     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
     export_dynamic_flag_spec='${wl}--export-dynamic'