--- gc6.6/Makefile.in.no-undefined	2005-09-09 11:34:45.000000000 -0500
+++ gc6.6/Makefile.in	2005-09-16 10:35:48.700954361 -0500
@@ -340,15 +340,15 @@
 # linuxthread semaphore functions get linked:
 libgc_la_LIBADD = @addobjs@ $(THREADDLLIBS) $(UNWINDLIBS)
 libgc_la_DEPENDENCIES = @addobjs@
-libgc_la_LDFLAGS = -version-info 1:2:0
+libgc_la_LDFLAGS = -version-info 1:2:0 -no-undefined -Wl,--no-undefined
 EXTRA_libgc_la_SOURCES = alpha_mach_dep.S \
     mips_sgi_mach_dep.s mips_ultrix_mach_dep.s powerpc_darwin_mach_dep.s \
     rs6000_mach_dep.s sparc_mach_dep.S sparc_netbsd_mach_dep.s \
     sparc_sunos4_mach_dep.s ia64_save_regs_in_stack.s
 
 libgccpp_la_SOURCES = gc_cpp.cc
-libgccpp_la_LIBADD = $(THREADDLLIBS) $(UNWINDLIBS)
-libgccpp_la_LDFLAGS = -version-info 1:2:0
+libgccpp_la_LIBADD = ./libgc.la
+libgccpp_la_LDFLAGS = -version-info 1:2:0 -no-undefined -Wl,--no-undefined
 AM_CXXFLAGS = @GC_CFLAGS@
 AM_CFLAGS = @GC_CFLAGS@
 @CPLUSPLUS_FALSE@extra_checks = 
@@ -356,9 +356,9 @@
 
 # gctest_OBJECTS = test.o
 gctest_SOURCES = tests/test.c
-gctest_LDADD = ./libgc.la $(THREADDLLIBS) $(UNWINDLIBS) $(EXTRA_TEST_LIBS)
+gctest_LDADD = ./libgc.la $(EXTRA_TEST_LIBS)
 test_cpp_SOURCES = tests/test_cpp.cc
-test_cpp_LDADD = ./libgc.la ./libgccpp.la $(THREADDLLIBS) $(UNWINDLIBS) $(EXTRA_TEST_LIBS)
+test_cpp_LDADD = ./libgccpp.la $(EXTRA_TEST_LIBS)
 TESTS = gctest $(extra_checks)
 all_objs = @addobjs@ $(libgc_la_OBJECTS)
 @COMPILER_XLC_FALSE@ASM_CPP_OPTIONS = -Wp,-P -x assembler-with-cpp
--- gc6.6/Makefile.am.no-undefined	2005-05-28 23:54:12.000000000 -0500
+++ gc6.6/Makefile.am	2005-09-16 10:35:02.816840997 -0500
@@ -57,7 +57,7 @@
 # linuxthread semaphore functions get linked:
 libgc_la_LIBADD = @addobjs@ $(THREADDLLIBS) $(UNWINDLIBS)
 libgc_la_DEPENDENCIES = @addobjs@
-libgc_la_LDFLAGS = -version-info 1:2:0
+libgc_la_LDFLAGS = -version-info 1:2:0 -no-undefined -Wl,--no-undefined
 
 EXTRA_libgc_la_SOURCES = alpha_mach_dep.S \
     mips_sgi_mach_dep.s mips_ultrix_mach_dep.s powerpc_darwin_mach_dep.s \
@@ -65,8 +65,8 @@
     sparc_sunos4_mach_dep.s ia64_save_regs_in_stack.s
 
 libgccpp_la_SOURCES = gc_cpp.cc
-libgccpp_la_LIBADD = $(THREADDLLIBS) $(UNWINDLIBS)
-libgccpp_la_LDFLAGS = -version-info 1:2:0
+libgccpp_la_LIBADD = ./libgc.la
+libgccpp_la_LDFLAGS = -version-info 1:2:0 -no-undefined -Wl,--no-undefined
 
 EXTRA_DIST += alpha_mach_dep.S mips_sgi_mach_dep.s sparc_mach_dep.S
 
@@ -91,9 +91,9 @@
 ##     are included in the distribution
 # gctest_OBJECTS = test.o
 gctest_SOURCES = tests/test.c
-gctest_LDADD = ./libgc.la $(THREADDLLIBS) $(UNWINDLIBS) $(EXTRA_TEST_LIBS)
+gctest_LDADD = ./libgc.la $(EXTRA_TEST_LIBS)
 test_cpp_SOURCES = tests/test_cpp.cc
-test_cpp_LDADD = ./libgc.la ./libgccpp.la $(THREADDLLIBS) $(UNWINDLIBS) $(EXTRA_TEST_LIBS)
+test_cpp_LDADD = ./libgccpp.la $(EXTRA_TEST_LIBS)
 
 TESTS = gctest $(extra_checks)