Update.

2004-03-30  H.J. Lu  <hongjiu.lu@intel.com>

	* Makeconfig (link-libc-static): Use $(static-gnulib) instead
	of $(gnulib).
	(libgcc_eh): New variable.
	(gnulib): Use it variable.
	(static-gnulib): New variable.
	* Makerules (LDLIBS-c.so): Use $(static-gnulib) instead of $(gnulib).
	* config.make.in (have-as-needed): New variable.
	* configure.in: Check if linker supports --as-needed.

ChangeLog

@@ -1,3 +1,14 @@
+2004-03-30  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* Makeconfig (link-libc-static): Use $(static-gnulib) instead
+	of $(gnulib).
+	(libgcc_eh): New variable.
+	(gnulib): Use it variable.
+	(static-gnulib): New variable.
+	* Makerules (LDLIBS-c.so): Use $(static-gnulib) instead of $(gnulib).
+	* config.make.in (have-as-needed): New variable.
+	* configure.in: Check if linker supports --as-needed.
+
 2004-04-02  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/unix/sysv/linux/internal_statvfs64.c: New file.

Makeconfig

@@ -504,12 +504,12 @@ endif
 
 # The static libraries.
 ifeq (yes,$(build-static))
-link-libc-static = $(common-objpfx)libc.a $(gnulib) $(common-objpfx)libc.a
+link-libc-static = $(common-objpfx)libc.a $(static-gnulib) $(common-objpfx)libc.a
 link-extra-libs-static = $(foreach lib,$(LDLIBS-$(@F)),$(common-objpfx)$(lib).a)
 else
 ifeq (yes,$(build-shared))
 # We can try to link the programs with lib*_pic.a...
-link-libc-static = $(gnulib) $(common-objpfx)libc_pic.a
+link-libc-static = $(static-gnulib) $(common-objpfx)libc_pic.a
 link-extra-libs-static = $(link-extra-libs)
 endif
 endif
@@ -517,10 +517,17 @@ link-libc-bounded = $(common-objpfx)libc_b.a $(gnulib) $(common-objpfx)libc_b.a
 link-extra-libs-bounded = $(foreach lib,$(LDLIBS-$(@F:%-bp=%)),$(common-objpfx)$(lib)_b.a)
 
 ifndef gnulib
-ifneq ($(have-cc-with-libunwind),yes)
+ifneq ($(have-as-needed),yes)
- gnulib := -lgcc -lgcc_eh
+ libgcc_eh := -lgcc_eh
 else
- gnulib := -lgcc -lgcc_eh -lunwind
+ libgcc_eh := --as-needed -lgcc_s --no-as-needed
+endif
+ifneq ($(have-cc-with-libunwind),yes)
+ gnulib := -lgcc $(libgcc_eh)
+ static-gnulib := -lgcc -lgcc_eh
+else
+ gnulib := -lgcc $(libgcc_eh) -lunwind
+ static-gnulib := -lgcc -lgcc_eh -lunwind
 endif
 endif
 ifeq ($(elf),yes)

Makerules

@@ -581,8 +581,8 @@ build-shlib-objlist = $(build-module-helper-objlist) \
 # Also omits crti.o and crtn.o, which we do not want
 # since we define our own `.init' section specially.
 LDFLAGS-c.so = -nostdlib -nostartfiles
-# But we still want to link libc.so against $(gnulib).
+# But we still want to link libc.so against $(static-gnulib).
-LDLIBS-c.so += $(gnulib)
+LDLIBS-c.so += $(static-gnulib)
 # Give libc.so an entry point and make it directly runnable itself.
 LDFLAGS-c.so += -e __libc_main
 # If lazy relocation is disabled add the -z now flag.

config.make.in

@@ -46,6 +46,7 @@ have-z-execstack = @libc_cv_z_execstack@
 have-initfini = @libc_cv_have_initfini@
 have-z-relro = @libc_cv_z_relro@
 have-Bgroup = @libc_cv_Bgroup@
+have-as-needed = @libc_cv_as_needed@
 need-nopic-initfini = @nopic_initfini@
 with-fp = @with_fp@
 with-cvs = @with_cvs@

configure.in

@@ -1315,6 +1315,22 @@ EOF
   rm -f conftest*])
   AC_SUBST(libc_cv_Bgroup)
 
+  AC_CACHE_CHECK(for --as-needed option,
+		 libc_cv_as_needed, [dnl
+  cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+  if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+			      -shared -o conftest.so conftest.c
+			      -Wl,--as-needed -nostdlib 1>&AS_MESSAGE_LOG_FD])
+  then
+    libc_cv_as_needed=yes
+  else
+    libc_cv_as_needed=no
+  fi
+  rm -f conftest*])
+  AC_SUBST(libc_cv_as_needed)
+
   ASFLAGS_config=
   AC_CACHE_CHECK(whether --noexecstack is desirable for .S files,
 		 libc_cv_as_noexecstack, [dnl

nptl/ChangeLog

@@ -1,3 +1,8 @@
+2004-03-30  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* Makefile (link-libc-static): Use $(static-gnulib) instead of
+	$(gnulib).
+
 2004-03-30  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/pthread/pthread-functions.h: Add ptr__nptl_deallocate_tsd.

nptl/Makefile

@@ -332,7 +332,8 @@ CFLAGS-flockfile.c = -D_IO_MTSAFE_IO
 CFLAGS-ftrylockfile.c = -D_IO_MTSAFE_IO
 CFLAGS-funlockfile.c = -D_IO_MTSAFE_IO
 
-link-libc-static := $(common-objpfx)libc.a $(gnulib) $(common-objpfx)libc.a
+link-libc-static := $(common-objpfx)libc.a $(static-gnulib) \
+		    $(common-objpfx)libc.a
 
 ifeq ($(build-static),yes)
 tests-static += tst-locale1 tst-locale2