* config.make.in (fno-unit-at-a-time): Define.

	* configure.in: Add test for -fno-unit-at-a-time.
	Fix text for -fpie.

	* csu/Makefile (CFLAGS-initfini.s): Add $(fno_unit_at_a_time).
	* locale/Makefile (CFLAGS-loadlocale.c): Likewise.

For linuxthreads:
	* Makefile (CFLAGS-pt-initfini.s): Add $(fno_unit_at_a_time).
	* sysdeps/unix/sysv/linux/x86_64/Makefile (CFLAGS-pt-initfini.s):
	Likewise.

For nptl:
	* Makefile (CFLAGS-pt-initfini.s): Add $(fno_unit_at_a_time).
	* sysdeps/unix/sysv/linux/x86_64/Makefile (CFLAGS-pt-initfini.s):
	Likewise.

9 files changed, 59 insertions, 6 deletions

diff --git a/config.make.in b/config.make.in
index 8b5d2c4353..39fe65a5aa 100644
--- a/config.make.in
+++ b/config.make.in
@@ -55,6 +55,7 @@ have-cpp-asm-debuginfo = @libc_cv_cpp_asm_debuginfo@
 enable-check-abi = @enable_check_abi@
 have-forced-unwind = @libc_cv_forced_unwind@
 have-fpie = @libc_cv_fpie@
+fno-unit-at-a-time = @fno_unit_at_a_time@
 
 static-libgcc = @libc_cv_gcc_static_libgcc@
 
diff --git a/configure b/configure
index e54db9801d..5c48011c4b 100755
--- a/configure
+++ b/configure
@@ -312,7 +312,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi subdirs force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP CXX CXXFLAGS ac_ct_CXX AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF CCVERSION SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_Bgroup ASFLAGS_config libc_cv_z_combreloc libc_cv_z_execstack libc_cv_fpie libc_cv_have_initfini libc_cv_cpp_asm_debuginfo no_whole_archive exceptions LIBGD EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir libc_cv_forced_unwind use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES linux_doors mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi subdirs force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP CXX CXXFLAGS ac_ct_CXX AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF CCVERSION SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_Bgroup ASFLAGS_config libc_cv_z_combreloc libc_cv_z_execstack libc_cv_fpie fno_unit_at_a_time libc_cv_have_initfini libc_cv_cpp_asm_debuginfo no_whole_archive exceptions LIBGD EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir libc_cv_forced_unwind use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES linux_doors mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -5428,6 +5428,7 @@ if test "${libc_cv_fpie+set}" = set; then
 else
     cat > conftest.c <<EOF
 int foo;
+main () { return 0;}
 EOF
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fpie
 			      -o conftest conftest.c 1>&5'
@@ -5449,6 +5450,35 @@ echo "${ECHO_T}$libc_cv_fpie" >&6
 
 fi
 
+echo "$as_me:$LINENO: checking for -fno-unit-at-a-time" >&5
+echo $ECHO_N "checking for -fno-unit-at-a-time... $ECHO_C" >&6
+if test "${libc_cv_fno_unit_at_a_time+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat > conftest.c <<EOF
+int foo;
+EOF
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S -fno-unit-at-a-time
+			    conftest.c 1>&5'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }
+then
+  libc_cv_fno_unit_at_a_time=yes
+else
+  libc_cv_fno_unit_at_a_time=no
+fi
+rm -f conftest*
+fi
+echo "$as_me:$LINENO: result: $libc_cv_fno_unit_at_a_time" >&5
+echo "${ECHO_T}$libc_cv_fno_unit_at_a_time" >&6
+if test $libc_cv_fno_unit_at_a_time = yes; then
+  fno_unit_at_a_time=-fno-unit-at-a-time
+fi
+
+
 if test $elf != yes; then
   echo "$as_me:$LINENO: checking for .init and .fini sections" >&5
 echo $ECHO_N "checking for .init and .fini sections... $ECHO_C" >&6
@@ -7834,6 +7864,7 @@ s,@ASFLAGS_config@,$ASFLAGS_config,;t t
 s,@libc_cv_z_combreloc@,$libc_cv_z_combreloc,;t t
 s,@libc_cv_z_execstack@,$libc_cv_z_execstack,;t t
 s,@libc_cv_fpie@,$libc_cv_fpie,;t t
+s,@fno_unit_at_a_time@,$fno_unit_at_a_time,;t t
 s,@libc_cv_have_initfini@,$libc_cv_have_initfini,;t t
 s,@libc_cv_cpp_asm_debuginfo@,$libc_cv_cpp_asm_debuginfo,;t t
 s,@no_whole_archive@,$no_whole_archive,;t t
diff --git a/configure.in b/configure.in
index 9314a3223a..5dab7d6960 100644
--- a/configure.in
+++ b/configure.in
@@ -1359,6 +1359,7 @@ EOF
   AC_CACHE_CHECK(for -fpie, libc_cv_fpie, [dnl
   cat > conftest.c <<EOF
 int foo;
+main () { return 0;}
 EOF
   if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fpie
 			      -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
@@ -1372,6 +1373,23 @@ EOF
   AC_SUBST(libc_cv_fpie)
 fi
 
+AC_CACHE_CHECK(for -fno-unit-at-a-time, libc_cv_fno_unit_at_a_time, [dnl
+cat > conftest.c <<EOF
+int foo;
+EOF
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -S -fno-unit-at-a-time
+			    conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+  libc_cv_fno_unit_at_a_time=yes
+else
+  libc_cv_fno_unit_at_a_time=no
+fi
+rm -f conftest*])
+if test $libc_cv_fno_unit_at_a_time = yes; then
+  fno_unit_at_a_time=-fno-unit-at-a-time
+fi
+AC_SUBST(fno_unit_at_a_time)
+
 if test $elf != yes; then
   AC_CACHE_CHECK(for .init and .fini sections, libc_cv_have_initfini,
 		 [AC_TRY_COMPILE(, [asm (".section .init");
diff --git a/csu/Makefile b/csu/Makefile
index 9127aba08a..b1fd32d7a6 100644
--- a/csu/Makefile
+++ b/csu/Makefile
@@ -104,7 +104,7 @@ omit-deps += $(crtstuff)
 $(crtstuff:%=$(objpfx)%.o): %.o: %.S $(objpfx)defs.h
 	$(compile.S) -g0 $(ASFLAGS-.os) -o $@
 
-CFLAGS-initfini.s = -g0 -fPIC -fno-inline-functions
+CFLAGS-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
 
 vpath initfini.c $(full_config_sysdirs)
 
diff --git a/linuxthreads/Makefile b/linuxthreads/Makefile
index 8fea64f6fc..f3a9c02e5f 100644
--- a/linuxthreads/Makefile
+++ b/linuxthreads/Makefile
@@ -101,7 +101,7 @@ endif
 extra-objs += $(crti-objs) $(crtn-objs)
 omit-deps += crti crtn
 
-CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions
+CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
 endif
 
 librt-tests = ex10 ex11
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/x86_64/Makefile b/linuxthreads/sysdeps/unix/sysv/linux/x86_64/Makefile
index 044c07c31c..b5e5d5d480 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/x86_64/Makefile
+++ b/linuxthreads/sysdeps/unix/sysv/linux/x86_64/Makefile
@@ -1,3 +1,4 @@
 ifeq ($(subdir),linuxthreads)
-CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions -fno-asynchronous-unwind-tables
+CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions \
+		       -fno-asynchronous-unwind-tables $(fno-unit-at-a-time)
 endif
diff --git a/locale/Makefile b/locale/Makefile
index 2f2d2ba5f1..b493c1c9b9 100644
--- a/locale/Makefile
+++ b/locale/Makefile
@@ -100,6 +100,7 @@ locale-CPPFLAGS := -DLOCALE_PATH='$(localepath)' \
 CFLAGS-charmap.c = -Wno-write-strings -Wno-char-subscripts
 CFLAGS-locfile.c = -Wno-write-strings -Wno-char-subscripts
 CFLAGS-charmap-dir.c = -Wno-write-strings
+CFLAGS-loadlocale.c = $(fno-unit-at-a-time)
 
 # This makes sure -DNOT_IN_libc is passed for all these modules.
 cpp-srcs-left := $(addsuffix .c,$(localedef-modules) $(localedef-aux) \
diff --git a/nptl/Makefile b/nptl/Makefile
index 138ff4723c..d50ae0a794 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -312,7 +312,7 @@ endif
 extra-objs += $(crti-objs) $(crtn-objs)
 omit-deps += crti crtn
 
-CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions
+CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
 endif
 
 CFLAGS-flockfile.c = -D_IO_MTSAFE_IO
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/Makefile b/nptl/sysdeps/unix/sysv/linux/x86_64/Makefile
index d3e5eb54d7..b32ce29eff 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/Makefile
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/Makefile
@@ -1,3 +1,4 @@
 ifeq ($(subdir),nptl)
-CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions -fno-asynchronous-unwind-tables
+CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions \
+		       -fno-asynchronous-unwind-tables $(fno-unit-at-a-time)
 endif