elfutils/elfutils-portability.patch

--- elfutils/backends/ChangeLog
+++ elfutils/backends/ChangeLog
@@ -33,6 +33,10 @@
 	* ppc_attrs.c (ppc_check_object_attribute): Handle tag
 	GNU_Power_ABI_Struct_Return.
 
+2009-01-23  Roland McGrath  <roland@redhat.com>
+
+	* Makefile.am (libebl_%.so): Use $(LD_AS_NEEDED).
+
 2008-10-04  Ulrich Drepper  <drepper@redhat.com>
 
 	* i386_reloc.def: Fix entries for TLS_GOTDESC, TLS_DESC_CALL, and
@@ -360,6 +364,11 @@
 	* sparc_init.c: Likewise.
 	* x86_64_init.c: Likewise.
 
+2005-11-22  Roland McGrath  <roland@redhat.com>
+
+	* Makefile.am (LD_AS_NEEDED): New variable, substituted by configure.
+	(libebl_%.so rule): Use it in place of -Wl,--as-needed.
+
 2005-11-19  Roland McGrath  <roland@redhat.com>
 
 	* ppc64_reloc.def: REL30 -> ADDR30.
@@ -382,6 +391,9 @@
 	* Makefile.am (uninstall): Don't try to remove $(pkgincludedir).
 	(CLEANFILES): Add libebl_$(m).so.
 
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it in place of -Wextra.
+
 	* ppc_reloc.def: Update bits per Alan Modra <amodra@bigpond.net.au>.
 	* ppc64_reloc.def: Likewise.
 
--- elfutils/backends/Makefile.am
+++ elfutils/backends/Makefile.am
@@ -25,12 +25,14 @@
 ## <http://www.openinventionnetwork.com>.
 ##
 DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -DOBJDIR=\"$(shell pwd)\"
+WEXTRA = @WEXTRA@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 if MUDFLAP
 AM_CFLAGS = -fmudflap
 else
 AM_CFLAGS =
 endif
-AM_CFLAGS += -fpic -Wall -Wshadow -Werror -Wunused -Wextra -Wformat=2 \
+AM_CFLAGS += -fpic -Wall -Wshadow -Werror -Wunused $(WEXTRA) -Wformat=2 \
 	     -std=gnu99
 INCLUDES = -I$(srcdir) -I$(top_srcdir)/libebl -I$(top_srcdir)/libasm \
 	   -I$(top_srcdir)/libelf -I$(top_srcdir)/libdw \
@@ -59,7 +61,6 @@ endif
 
 textrel_check = if readelf -d $@ | fgrep -q TEXTREL; then exit 1; fi
 
-
 i386_SRCS = i386_init.c i386_symbol.c i386_corenote.c \
 	    i386_retval.c i386_regs.c i386_auxv.c i386_syscall.c
 cpu_i386 = ../libcpu/libcpu_i386.a
@@ -115,7 +116,7 @@ libebl_%.so: libebl_%_pic.a libebl_%.map
 	$(LINK) -shared -o $@ -Wl,--whole-archive,$<\
 		$(cpu_$(@:libebl_%.so=%)) -Wl,--no-whole-archive \
 		-Wl,--version-script,$(word 2,$^) \
-		-Wl,-z,defs -Wl,--as-needed $(libelf) $(libdw) $(libmudflap)
+		-Wl,-z,defs $(LD_AS_NEEDED) $(libelf) $(libdw) $(libmudflap)
 	$(textrel_check)
 
 # XXX Should not be needed...
--- elfutils/backends/Makefile.in
+++ elfutils/backends/Makefile.in
@@ -158,6 +158,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -187,6 +188,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = @VERSION@
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
@@ -245,9 +247,9 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zip_LIBS = @zip_LIBS@
 @MUDFLAP_FALSE@AM_CFLAGS = -fpic -Wall -Wshadow -Werror -Wunused \
-@MUDFLAP_FALSE@	-Wextra -Wformat=2 -std=gnu99
+@MUDFLAP_FALSE@	$(WEXTRA) -Wformat=2 -std=gnu99
 @MUDFLAP_TRUE@AM_CFLAGS = -fmudflap -fpic -Wall -Wshadow -Werror \
-@MUDFLAP_TRUE@	-Wunused -Wextra -Wformat=2 -std=gnu99
+@MUDFLAP_TRUE@	-Wunused $(WEXTRA) -Wformat=2 -std=gnu99
 INCLUDES = -I$(srcdir) -I$(top_srcdir)/libebl -I$(top_srcdir)/libasm \
 	   -I$(top_srcdir)/libelf -I$(top_srcdir)/libdw \
 	   -I$(top_srcdir)/lib -I..
@@ -650,7 +652,7 @@ libebl_%.so: libebl_%_pic.a libebl_%.map
 	$(LINK) -shared -o $@ -Wl,--whole-archive,$<\
 		$(cpu_$(@:libebl_%.so=%)) -Wl,--no-whole-archive \
 		-Wl,--version-script,$(word 2,$^) \
-		-Wl,-z,defs -Wl,--as-needed $(libelf) $(libdw) $(libmudflap)
+		-Wl,-z,defs $(LD_AS_NEEDED) $(libelf) $(libdw) $(libmudflap)
 	$(textrel_check)
 
 # XXX Should not be needed...
--- elfutils/ChangeLog
+++ elfutils/ChangeLog
@@ -9,6 +9,8 @@
 
 2009-01-23  Roland McGrath  <roland@redhat.com>
 
+	* configure.ac: Check for __builtin_popcount.
+
 	* configure.ac (zlib check): Check for gzdirect, need zlib >= 1.2.2.3.
 
 	* configure.ac (__thread check): Use AC_LINK_IFELSE, in case of
@@ -89,6 +91,10 @@
 	* configure.ac: Add dummy automake conditional to get dependencies
 	for non-generic linker right.  See src/Makefile.am.
 
+2005-11-22  Roland McGrath  <roland@redhat.com>
+
+	* configure.ac: Check for --as-needed linker option.
+
 2005-11-18  Roland McGrath  <roland@redhat.com>
 
 	* Makefile.am (DISTCHECK_CONFIGURE_FLAGS): New variable.
@@ -136,6 +142,17 @@
 	* Makefile.am (all_SUBDIRS): Add libdwfl.
 	* configure.ac: Write libdwfl/Makefile.
 
+2005-05-31  Roland McGrath  <roland@redhat.com>
+
+	* configure.ac (WEXTRA): Check for -Wextra and set this substitution.
+
+	* configure.ac: Check for struct stat st_?tim members.
+	* src/strip.c (process_file): Use st_?time if st_?tim are not there.
+
+	* configure.ac: Check for futimes function.
+	* src/strip.c (handle_elf) [! HAVE_FUTIMES]: Use utimes instead.
+	(handle_ar) [! HAVE_FUTIMES]: Likewise.
+
 2005-05-19  Roland McGrath  <roland@redhat.com>
 
 	* configure.ac [AH_BOTTOM] (INTDECL, _INTDECL): New macros.
--- elfutils/config/Makefile.in
+++ elfutils/config/Makefile.in
@@ -73,6 +73,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -102,6 +103,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = @VERSION@
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
--- elfutils/config.h.in
+++ elfutils/config.h.in
@@ -1,5 +1,8 @@
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 
+/* Have __builtin_popcount. */
+#undef HAVE_BUILTIN_POPCOUNT
+
 /* $libdir subdirectory containing libebl modules. */
 #undef LIBEBL_SUBDIR
 
@@ -52,4 +55,7 @@
 /* Define for large files, on AIX-style hosts. */
 #undef _LARGE_FILES
 
+/* Stubbed out if missing compiler support. */
+#undef __thread
+
 #include <eu-config.h>
--- elfutils/configure
+++ elfutils/configure
@@ -642,6 +642,8 @@ NATIVE_LD_FALSE
 NATIVE_LD_TRUE
 DATADIRNAME
 LOCALEDIR
+LD_AS_NEEDED
+WEXTRA
 LEXLIB
 LEX_OUTPUT_ROOT
 LEX
@@ -4041,6 +4043,152 @@ $as_echo "$as_me: error: gcc with C99 su
 fi
 
 
+{ $as_echo "$as_me:$LINENO: checking for -Wextra option to $CC" >&5
+$as_echo_n "checking for -Wextra option to $CC... " >&6; }
+if test "${ac_cv_cc_wextra+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  old_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wextra"
+cat >conftest.$ac_ext <<_ACEOF
+void foo (void) { }
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_cc_wextra=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_cc_wextra=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+CFLAGS="$old_CFLAGS"
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_cc_wextra" >&5
+$as_echo "$ac_cv_cc_wextra" >&6; }
+
+if test "x$ac_cv_cc_wextra" = xyes; then
+  WEXTRA=-Wextra
+else
+  WEXTRA=-W
+fi
+
+
+{ $as_echo "$as_me:$LINENO: checking for --as-needed linker option" >&5
+$as_echo_n "checking for --as-needed linker option... " >&6; }
+if test "${ac_cv_as_needed+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+			    -fPIC -shared -o conftest.so conftest.c
+			    -Wl,--as-needed 1>&5'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }
+then
+  ac_cv_as_needed=yes
+else
+  ac_cv_as_needed=no
+fi
+rm -f conftest*
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_as_needed" >&5
+$as_echo "$ac_cv_as_needed" >&6; }
+if test "x$ac_cv_as_needed" = xyes; then
+  LD_AS_NEEDED=-Wl,--as-needed
+else
+  LD_AS_NEEDED=
+fi
+
+
+
+{ $as_echo "$as_me:$LINENO: checking for __builtin_popcount" >&5
+$as_echo_n "checking for __builtin_popcount... " >&6; }
+if test "${ac_cv_popcount+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+exit (__builtin_popcount (127));
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_popcount=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_popcount=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_popcount" >&5
+$as_echo "$ac_cv_popcount" >&6; }
+if test "x$ac_cv_popcount" = xyes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_BUILTIN_POPCOUNT 1
+_ACEOF
+
+fi
+
+
 { $as_echo "$as_me:$LINENO: checking for __thread support" >&5
 $as_echo_n "checking for __thread support... " >&6; }
 if test "${ac_cv_tls+set}" = set; then
@@ -4106,9 +4254,18 @@ fi
 { $as_echo "$as_me:$LINENO: result: $ac_cv_tls" >&5
 $as_echo "$ac_cv_tls" >&6; }
 if test "x$ac_cv_tls" != xyes; then
-  { { $as_echo "$as_me:$LINENO: error: __thread support required" >&5
-$as_echo "$as_me: error: __thread support required" >&2;}
+  if test "$use_locks" = yes; then
+  { { $as_echo "$as_me:$LINENO: error: --enable-thread-safety requires __thread support" >&5
+$as_echo "$as_me: error: --enable-thread-safety requires __thread support" >&2;}
    { (exit 1); exit 1; }; }
+else
+
+cat >>confdefs.h <<\_ACEOF
+#define __thread /* empty: no multi-thread support */
+_ACEOF
+
+fi
+
 fi
 
 
--- elfutils/configure.ac
+++ elfutils/configure.ac
@@ -74,6 +74,39 @@ CFLAGS="$old_CFLAGS"])
 AS_IF([test "x$ac_cv_c99" != xyes],
       AC_MSG_ERROR([gcc with C99 support required]))
 
+AC_CACHE_CHECK([for -Wextra option to $CC], ac_cv_cc_wextra, [dnl
+old_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wextra"
+AC_COMPILE_IFELSE([void foo (void) { }],
+		  ac_cv_cc_wextra=yes, ac_cv_cc_wextra=no)
+CFLAGS="$old_CFLAGS"])
+AC_SUBST(WEXTRA)
+AS_IF([test "x$ac_cv_cc_wextra" = xyes], [WEXTRA=-Wextra], [WEXTRA=-W])
+
+AC_CACHE_CHECK([for --as-needed linker option],
+	       ac_cv_as_needed, [dnl
+cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+			    -fPIC -shared -o conftest.so conftest.c
+			    -Wl,--as-needed 1>&AS_MESSAGE_LOG_FD])
+then
+  ac_cv_as_needed=yes
+else
+  ac_cv_as_needed=no
+fi
+rm -f conftest*])
+AS_IF([test "x$ac_cv_as_needed" = xyes],
+      [LD_AS_NEEDED=-Wl,--as-needed], [LD_AS_NEEDED=])
+AC_SUBST(LD_AS_NEEDED)
+
+AC_CACHE_CHECK([for __builtin_popcount], ac_cv_popcount, [dnl
+AC_LINK_IFELSE([AC_LANG_PROGRAM([], [[exit (__builtin_popcount (127));]])],
+	       ac_cv_popcount=yes, ac_cv_popcount=no)])
+AS_IF([test "x$ac_cv_popcount" = xyes],
+      [AC_DEFINE([HAVE_BUILTIN_POPCOUNT], [1], [Have __builtin_popcount.])])
+
 AC_CACHE_CHECK([for __thread support], ac_cv_tls, [dnl
 # Use the same flags that we use for our DSOs, so the test is representative.
 # Some old compiler/linker/libc combinations fail some ways and not others.
@@ -89,7 +122,10 @@ static __thread int a; int foo (int b) {
 CFLAGS="$save_CFLAGS"
 LDFLAGS="$save_LDFLAGS"])
 AS_IF([test "x$ac_cv_tls" != xyes],
-      AC_MSG_ERROR([__thread support required]))
+      [AS_IF([test "$use_locks" = yes],
+	     [AC_MSG_ERROR([--enable-thread-safety requires __thread support])],
+	     [AC_DEFINE([__thread], [/* empty: no multi-thread support */],
+			[Stubbed out if missing compiler support.])])])
 
 LOCALEDIR=$datadir
 AC_SUBST(LOCALEDIR)
--- elfutils/lib/ChangeLog
+++ elfutils/lib/ChangeLog
@@ -1,5 +1,8 @@
 2009-01-23  Roland McGrath  <roland@redhat.com>
 
+	* eu-config.h [! HAVE_BUILTIN_POPCOUNT]
+	(__builtin_popcount): New inline function.
+
 	* eu-config.h: Add multiple inclusion protection.
 
 2009-01-17  Ulrich Drepper  <drepper@redhat.com>
@@ -56,6 +59,11 @@
 	* Makefile.am (libeu_a_SOURCES): Add it.
 	* system.h: Declare crc32_file.
 
+2005-02-07  Roland McGrath  <roland@redhat.com>
+
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it in place of -Wextra.
+
 2005-04-30  Ulrich Drepper  <drepper@redhat.com>
 
 	* Makefile.am: Use -ffunction-sections for xmalloc.c.
--- elfutils/lib/eu-config.h
+++ elfutils/lib/eu-config.h
@@ -182,5 +182,16 @@ asm (".section predict_data, \"aw\"; .pr
 /* This macro is used by the tests conditionalize for standalone building.  */
 #define ELFUTILS_HEADER(name) <lib##name.h>
 
+#ifndef HAVE_BUILTIN_POPCOUNT
+# define __builtin_popcount hakmem_popcount
+static inline unsigned int __attribute__ ((unused))
+hakmem_popcount (unsigned int x)
+{
+  /* HAKMEM 169 */
+  unsigned int n = x - ((x >> 1) & 033333333333) - ((x >> 2) & 011111111111);
+  return ((n + (n >> 3)) & 030707070707) % 63;
+}
+#endif	/* HAVE_BUILTIN_POPCOUNT */
+
 
 #endif	/* eu-config.h */
--- elfutils/lib/Makefile.am
+++ elfutils/lib/Makefile.am
@@ -25,12 +25,13 @@
 ## <http://www.openinventionnetwork.com>.
 ##
 DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H
+WEXTRA = @WEXTRA@
 if MUDFLAP
 AM_CFLAGS = -fmudflap
 else
 AM_CFLAGS =
 endif
-AM_CFLAGS += -fpic -Wall -Wshadow -Werror -Wunused -Wextra $($(*F)_CFLAGS)
+AM_CFLAGS += -fpic -Wall -Wshadow -Werror -Wunused $(WEXTRA) $($(*F)_CFLAGS)
 INCLUDES = -I$(srcdir)/../libelf -I..
 
 noinst_LIBRARIES = libeu.a
--- elfutils/lib/Makefile.in
+++ elfutils/lib/Makefile.in
@@ -94,6 +94,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -123,6 +124,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = @VERSION@
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
@@ -181,9 +183,9 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zip_LIBS = @zip_LIBS@
 @MUDFLAP_FALSE@AM_CFLAGS = -fpic -Wall -Wshadow -Werror -Wunused \
-@MUDFLAP_FALSE@	-Wextra $($(*F)_CFLAGS)
+@MUDFLAP_FALSE@	$(WEXTRA) $($(*F)_CFLAGS)
 @MUDFLAP_TRUE@AM_CFLAGS = -fmudflap -fpic -Wall -Wshadow -Werror \
-@MUDFLAP_TRUE@	-Wunused -Wextra $($(*F)_CFLAGS)
+@MUDFLAP_TRUE@	-Wunused $(WEXTRA) $($(*F)_CFLAGS)
 INCLUDES = -I$(srcdir)/../libelf -I..
 noinst_LIBRARIES = libeu.a
 libeu_a_SOURCES = xstrndup.c xmalloc.c next_prime.c \
--- elfutils/libasm/ChangeLog
+++ elfutils/libasm/ChangeLog
@@ -63,6 +63,11 @@
 	* asm_error.c: Add new error ASM_E_IOERROR.
 	* libasmP.h: Add ASM_E_IOERROR definition.
 
+2005-05-31  Roland McGrath  <roland@redhat.com>
+
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it in place of -Wextra.
+
 2005-02-15  Ulrich Drepper  <drepper@redhat.com>
 
 	* Makefile.am (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2.
--- elfutils/libasm/Makefile.am
+++ elfutils/libasm/Makefile.am
@@ -25,12 +25,13 @@
 ## <http://www.openinventionnetwork.com>.
 ##
 DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H
+WEXTRA = @WEXTRA@
 if MUDFLAP
 AM_CFLAGS = -fmudflap
 else
 AM_CFLAGS =
 endif
-AM_CFLAGS += -std=gnu99 -Wall -Wshadow -Werror -Wunused -Wextra -Wformat=2
+AM_CFLAGS += -std=gnu99 -Wall -Wshadow -Werror -Wunused $(WEXTRA) -Wformat=2
 INCLUDES = -I. -I$(srcdir) -I.. \
 	   -I$(top_srcdir)/libelf -I$(top_srcdir)/libebl -I$(top_srcdir)/libdw\
 	   -I$(top_srcdir)/lib
--- elfutils/libasm/Makefile.in
+++ elfutils/libasm/Makefile.in
@@ -128,6 +128,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -157,6 +158,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = 1
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
@@ -215,9 +217,9 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zip_LIBS = @zip_LIBS@
 @MUDFLAP_FALSE@AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Werror -Wunused \
-@MUDFLAP_FALSE@	-Wextra -Wformat=2
+@MUDFLAP_FALSE@	$(WEXTRA) -Wformat=2
 @MUDFLAP_TRUE@AM_CFLAGS = -fmudflap -std=gnu99 -Wall -Wshadow -Werror \
-@MUDFLAP_TRUE@	-Wunused -Wextra -Wformat=2
+@MUDFLAP_TRUE@	-Wunused $(WEXTRA) -Wformat=2
 INCLUDES = -I. -I$(srcdir) -I.. \
 	   -I$(top_srcdir)/libelf -I$(top_srcdir)/libebl -I$(top_srcdir)/libdw\
 	   -I$(top_srcdir)/lib
--- elfutils/libcpu/ChangeLog
+++ elfutils/libcpu/ChangeLog
@@ -5,6 +5,9 @@
 
 2009-01-23  Roland McGrath  <roland@redhat.com>
 
+	* i386_disasm.c (i386_disasm): Add abort after assert-constant for old
+	compilers that don't realize it's noreturn.
+
 	* Makefile.am (i386_parse_CFLAGS): Use quotes around command
 	substitution that can produce leading whitespace.
 
@@ -334,6 +337,11 @@
 	* defs/i386.doc: New file.
 	* defs/x86_64: New file.
 
+2005-04-04  Roland McGrath  <roland@redhat.com>
+
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it instead of -Wextra.
+
 2005-02-15  Ulrich Drepper  <drepper@redhat.com>
 
 	* Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2.
--- elfutils/libcpu/i386_disasm.c
+++ elfutils/libcpu/i386_disasm.c
@@ -791,6 +791,7 @@ i386_disasm (const uint8_t **startp, con
 
 			default:
 			  assert (! "INVALID not handled");
+			  abort ();
 			}
 		    }
 		  else
--- elfutils/libcpu/Makefile.am
+++ elfutils/libcpu/Makefile.am
@@ -30,7 +30,8 @@ AM_CFLAGS = -fmudflap
 else
 AM_CFLAGS =
 endif
-AM_CFLAGS += -Wall -Wshadow -Wunused -Wextra -std=gnu99 -fpic \
+WEXTRA = @WEXTRA@
+AM_CFLAGS += -Wall -Wshadow -Wunused $(WEXTRA) -std=gnu99 -fpic \
 	     -fdollars-in-identifiers \
 	     $($(*F)_CFLAGS) \
 	     $(if $($(*F)_no_Werror),,-Werror)
--- elfutils/libcpu/Makefile.in
+++ elfutils/libcpu/Makefile.in
@@ -110,6 +110,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = lex.$(<F:lex.l=)
@@ -139,6 +140,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = @VERSION@
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
@@ -196,10 +198,11 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zip_LIBS = @zip_LIBS@
-@MUDFLAP_FALSE@AM_CFLAGS = -Wall -Wshadow -Wunused -Wextra -std=gnu99 \
-@MUDFLAP_FALSE@	-fpic -fdollars-in-identifiers $($(*F)_CFLAGS) \
-@MUDFLAP_FALSE@	$(if $($(*F)_no_Werror),,-Werror)
-@MUDFLAP_TRUE@AM_CFLAGS = -fmudflap -Wall -Wshadow -Wunused -Wextra \
+@MUDFLAP_FALSE@AM_CFLAGS = -Wall -Wshadow -Wunused $(WEXTRA) \
+@MUDFLAP_FALSE@	-std=gnu99 -fpic -fdollars-in-identifiers \
+@MUDFLAP_FALSE@	$($(*F)_CFLAGS) $(if \
+@MUDFLAP_FALSE@	$($(*F)_no_Werror),,-Werror)
+@MUDFLAP_TRUE@AM_CFLAGS = -fmudflap -Wall -Wshadow -Wunused $(WEXTRA) \
 @MUDFLAP_TRUE@	-std=gnu99 -fpic -fdollars-in-identifiers \
 @MUDFLAP_TRUE@	$($(*F)_CFLAGS) $(if \
 @MUDFLAP_TRUE@	$($(*F)_no_Werror),,-Werror)
--- elfutils/libdw/ChangeLog
+++ elfutils/libdw/ChangeLog
@@ -571,6 +571,11 @@
 
 2005-05-31  Roland McGrath  <roland@redhat.com>
 
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it in place of -Wextra.
+
+2005-05-31  Roland McGrath  <roland@redhat.com>
+
 	* dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to
 	formref offset.
 
--- elfutils/libdw/Makefile.am
+++ elfutils/libdw/Makefile.am
@@ -25,6 +25,7 @@
 ## <http://www.openinventionnetwork.com>.
 ##
 DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -DIS_LIBDW
+WEXTRA = @WEXTRA@
 if MUDFLAP
 AM_CFLAGS = -fmudflap
 else
@@ -33,7 +34,7 @@ endif
 if BUILD_STATIC
 AM_CFLAGS += -fpic
 endif
-AM_CFLAGS += -Wall -Werror -Wshadow -Wunused -Wformat=2 -Wextra -std=gnu99
+AM_CFLAGS += -Wall -Werror -Wshadow -Wunused -Wformat=2 $(WEXTRA) -std=gnu99
 INCLUDES = -I. -I$(srcdir) -I$(srcdir)/../libelf -I.. -I$(srcdir)/../lib
 VERSION = 1
 
--- elfutils/libdw/Makefile.in
+++ elfutils/libdw/Makefile.in
@@ -165,6 +165,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -194,6 +195,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = 1
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
@@ -252,9 +254,10 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zip_LIBS = @zip_LIBS@
 @MUDFLAP_FALSE@AM_CFLAGS = $(am__append_1) -Wall -Werror -Wshadow \
-@MUDFLAP_FALSE@	-Wunused -Wformat=2 -Wextra -std=gnu99
+@MUDFLAP_FALSE@	-Wunused -Wformat=2 $(WEXTRA) -std=gnu99
 @MUDFLAP_TRUE@AM_CFLAGS = -fmudflap $(am__append_1) -Wall -Werror \
-@MUDFLAP_TRUE@	-Wshadow -Wunused -Wformat=2 -Wextra -std=gnu99
+@MUDFLAP_TRUE@	-Wshadow -Wunused -Wformat=2 $(WEXTRA) \
+@MUDFLAP_TRUE@	-std=gnu99
 INCLUDES = -I. -I$(srcdir) -I$(srcdir)/../libelf -I.. -I$(srcdir)/../lib
 COMPILE.os = $(filter-out -fprofile-arcs, $(filter-out -ftest-coverage, \
 						       $(COMPILE)))
--- elfutils/libdwfl/ChangeLog
+++ elfutils/libdwfl/ChangeLog
@@ -1076,6 +1076,11 @@
 
 2005-07-21  Roland McGrath  <roland@redhat.com>
 
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it in place of -Wextra.
+
+2005-07-21  Roland McGrath  <roland@redhat.com>
+
 	* Makefile.am (noinst_HEADERS): Add loc2c.c.
 
 	* test2.c (main): Check sscanf result to quiet warning.
--- elfutils/libdwfl/Makefile.am
+++ elfutils/libdwfl/Makefile.am
@@ -27,12 +27,13 @@
 ## <http://www.openinventionnetwork.com>.
 ##
 DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H
+WEXTRA = @WEXTRA@
 if MUDFLAP
 AM_CFLAGS = -fmudflap
 else
 AM_CFLAGS =
 endif
-AM_CFLAGS += -Wall -Werror -Wshadow -Wunused -Wformat=2 -Wextra -std=gnu99
+AM_CFLAGS += -Wall -Werror -Wshadow -Wunused -Wformat=2 $(WEXTRA) -std=gnu99
 INCLUDES = -I. -I$(srcdir) -I$(srcdir)/../libelf -I$(srcdir)/../libebl \
 	   -I$(srcdir)/../libdw -I.. -I$(srcdir)/../lib
 VERSION = 1
--- elfutils/libdwfl/Makefile.in
+++ elfutils/libdwfl/Makefile.in
@@ -156,6 +156,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -185,6 +186,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = 1
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
@@ -243,9 +245,9 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zip_LIBS = @zip_LIBS@
 @MUDFLAP_FALSE@AM_CFLAGS = -Wall -Werror -Wshadow -Wunused -Wformat=2 \
-@MUDFLAP_FALSE@	-Wextra -std=gnu99
+@MUDFLAP_FALSE@	$(WEXTRA) -std=gnu99
 @MUDFLAP_TRUE@AM_CFLAGS = -fmudflap -Wall -Werror -Wshadow -Wunused \
-@MUDFLAP_TRUE@	-Wformat=2 -Wextra -std=gnu99
+@MUDFLAP_TRUE@	-Wformat=2 $(WEXTRA) -std=gnu99
 INCLUDES = -I. -I$(srcdir) -I$(srcdir)/../libelf -I$(srcdir)/../libebl \
 	   -I$(srcdir)/../libdw -I.. -I$(srcdir)/../lib
 
--- elfutils/libebl/ChangeLog
+++ elfutils/libebl/ChangeLog
@@ -569,6 +569,11 @@
 	* Makefile.am (libebl_*_so_SOURCES): Set to $(*_SRCS) so dependency
 	tracking works right.
 
+2005-05-31  Roland McGrath  <roland@redhat.com>
+
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it in place of -Wextra.
+
 2005-05-21  Ulrich Drepper  <drepper@redhat.com>
 
 	* libebl_x86_64.map: Add x86_64_core_note.
--- elfutils/libebl/Makefile.am
+++ elfutils/libebl/Makefile.am
@@ -25,12 +25,13 @@
 ## <http://www.openinventionnetwork.com>.
 ##
 DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -DOBJDIR=\"$(shell pwd)\"
+WEXTRA = @WEXTRA@
 if MUDFLAP
 AM_CFLAGS = -fmudflap
 else
 AM_CFLAGS =
 endif
-AM_CFLAGS += -fpic -Wall -Wshadow -Werror -Wunused -Wextra -Wformat=2 \
+AM_CFLAGS += -fpic -Wall -Wshadow -Werror -Wunused $(WEXTRA) -Wformat=2 \
 	     -std=gnu99
 
 INCLUDES = -I$(srcdir) -I$(top_srcdir)/libelf -I$(top_srcdir)/libdw \
--- elfutils/libebl/Makefile.in
+++ elfutils/libebl/Makefile.in
@@ -124,6 +124,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -153,6 +154,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = 1
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
@@ -211,9 +213,9 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zip_LIBS = @zip_LIBS@
 @MUDFLAP_FALSE@AM_CFLAGS = -fpic -Wall -Wshadow -Werror -Wunused \
-@MUDFLAP_FALSE@	-Wextra -Wformat=2 -std=gnu99
+@MUDFLAP_FALSE@	$(WEXTRA) -Wformat=2 -std=gnu99
 @MUDFLAP_TRUE@AM_CFLAGS = -fmudflap -fpic -Wall -Wshadow -Werror \
-@MUDFLAP_TRUE@	-Wunused -Wextra -Wformat=2 -std=gnu99
+@MUDFLAP_TRUE@	-Wunused $(WEXTRA) -Wformat=2 -std=gnu99
 INCLUDES = -I$(srcdir) -I$(top_srcdir)/libelf -I$(top_srcdir)/libdw \
 	   -I$(top_srcdir)/lib -I.. -I$(srcdir)/../libasm
 
--- elfutils/libelf/ChangeLog
+++ elfutils/libelf/ChangeLog
@@ -537,6 +537,11 @@
 
 	* elf.h: Update from glibc.
 
+2005-05-31  Roland McGrath  <roland@redhat.com>
+
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it in place of -Wextra.
+
 2005-05-08  Roland McGrath  <roland@redhat.com>
 
 	* elf_begin.c (read_file) [_MUDFLAP]: Don't use mmap for now.
--- elfutils/libelf/common.h
+++ elfutils/libelf/common.h
@@ -160,7 +160,7 @@ libelf_release_all (Elf *elf)
   (Var) = (sizeof (Var) == 1						      \
 	   ? (unsigned char) (Var)					      \
 	   : (sizeof (Var) == 2						      \
-	      ? bswap_16 (Var)						      \
+	      ? (unsigned short int) bswap_16 (Var)			      \
 	      : (sizeof (Var) == 4					      \
 		 ? bswap_32 (Var)					      \
 		 : bswap_64 (Var))))
@@ -169,7 +169,7 @@ libelf_release_all (Elf *elf)
   (Dst) = (sizeof (Var) == 1						      \
 	   ? (unsigned char) (Var)					      \
 	   : (sizeof (Var) == 2						      \
-	      ? bswap_16 (Var)						      \
+	      ? (unsigned short int) bswap_16 (Var)			      \
 	      : (sizeof (Var) == 4					      \
 		 ? bswap_32 (Var)					      \
 		 : bswap_64 (Var))))
--- elfutils/libelf/Makefile.am
+++ elfutils/libelf/Makefile.am
@@ -25,6 +25,7 @@
 ## <http://www.openinventionnetwork.com>.
 ##
 DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H
+WEXTRA = @WEXTRA@
 if MUDFLAP
 AM_CFLAGS = -fmudflap
 else
@@ -33,7 +34,7 @@ endif
 if BUILD_STATIC
 AM_CFLAGS += -fpic
 endif
-AM_CFLAGS += -Wall -Wshadow -Werror -Wunused -Wextra -Wformat=2 -std=gnu99 \
+AM_CFLAGS += -Wall -Wshadow -Werror -Wunused $(WEXTRA) -Wformat=2 -std=gnu99 \
 	     $($(*F)_CFLAGS)
 INCLUDES = -I$(srcdir) -I$(top_srcdir)/lib -I..
 GCC_INCLUDE = -I$(shell $(CC) -print-file-name=include)
--- elfutils/libelf/Makefile.in
+++ elfutils/libelf/Makefile.in
@@ -172,6 +172,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -201,6 +202,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = 1
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
@@ -259,10 +261,10 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zip_LIBS = @zip_LIBS@
 @MUDFLAP_FALSE@AM_CFLAGS = $(am__append_1) -Wall -Wshadow -Werror \
-@MUDFLAP_FALSE@	-Wunused -Wextra -Wformat=2 -std=gnu99 \
+@MUDFLAP_FALSE@	-Wunused $(WEXTRA) -Wformat=2 -std=gnu99 \
 @MUDFLAP_FALSE@	$($(*F)_CFLAGS)
 @MUDFLAP_TRUE@AM_CFLAGS = -fmudflap $(am__append_1) -Wall -Wshadow \
-@MUDFLAP_TRUE@	-Werror -Wunused -Wextra -Wformat=2 -std=gnu99 \
+@MUDFLAP_TRUE@	-Werror -Wunused $(WEXTRA) -Wformat=2 -std=gnu99 \
 @MUDFLAP_TRUE@	$($(*F)_CFLAGS)
 INCLUDES = -I$(srcdir) -I$(top_srcdir)/lib -I..
 GCC_INCLUDE = -I$(shell $(CC) -print-file-name=include)
--- elfutils/m4/Makefile.in
+++ elfutils/m4/Makefile.in
@@ -72,6 +72,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -101,6 +102,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = @VERSION@
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
--- elfutils/Makefile.in
+++ elfutils/Makefile.in
@@ -110,6 +110,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -139,6 +140,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = @VERSION@
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
--- elfutils/src/addr2line.c
+++ elfutils/src/addr2line.c
@@ -447,10 +447,10 @@ handle_address (const char *string, Dwfl
       bool parsed = false;
       int n;
       char *name = NULL;
-      if (sscanf (string, "(%m[^)])%" PRIiMAX "%n", &name, &addr, &n) == 2
+      if (sscanf (string, "(%a[^)])%" PRIiMAX "%n", &name, &addr, &n) == 2
 	  && string[n] == '\0')
 	parsed = adjust_to_section (name, &addr, dwfl);
-      else if (sscanf (string, "%m[^-+]%" PRIiMAX "%n", &name, &addr, &n) == 2
+      else if (sscanf (string, "%a[^-+]%" PRIiMAX "%n", &name, &addr, &n) == 2
 	       && string[n] == '\0')
 	{
 	  /* It was symbol+offset.  */
--- elfutils/src/ChangeLog
+++ elfutils/src/ChangeLog
@@ -91,6 +91,8 @@
 	* readelf.c (print_debug_frame_section): Use t instead of j formats
 	for ptrdiff_t OFFSET.
 
+	* addr2line.c (handle_address): Use %a instead of %m for compatibility.
+
 2009-01-21  Ulrich Drepper  <drepper@redhat.com>
 
 	* elflint.c (check_program_header): Fix typo in .eh_frame_hdr section
@@ -274,6 +276,11 @@
 	that matches its PT_LOAD's p_flags &~ PF_W.  On sparc, PF_X really
 	is valid in RELRO.
 
+2008-03-01  Roland McGrath  <roland@redhat.com>
+
+	* readelf.c (dump_archive_index): Tweak portability hack
+	to match [__GNUC__ < 4] too.
+
 2008-02-29  Roland McGrath  <roland@redhat.com>
 
 	* readelf.c (print_attributes): Add a cast.
@@ -525,6 +532,8 @@
 
 	* readelf.c (hex_dump): Fix rounding error in whitespace calculation.
 
+	* Makefile.am (readelf_no_Werror): New variable.
+
 2007-10-15  Roland McGrath  <roland@redhat.com>
 
 	* make-debug-archive.in: New file.
@@ -964,6 +973,10 @@
 	* elflint.c (valid_e_machine): Add EM_ALPHA.
 	Reported by Christian Aichinger <Greek0@gmx.net>.
 
+	* strings.c (map_file): Define POSIX_MADV_SEQUENTIAL to
+	MADV_SEQUENTIAL if undefined.  	Don't call posix_madvise
+	if neither is defined.
+
 2006-08-08  Ulrich Drepper  <drepper@redhat.com>
 
 	* elflint.c (check_dynamic): Don't require DT_HASH for DT_SYMTAB.
@@ -1040,6 +1053,10 @@
 	* Makefile.am: Add hacks to create dependency files for non-generic
 	linker.
 
+2006-04-05  Roland McGrath  <roland@redhat.com>
+
+	* strings.c (MAP_POPULATE): Define to 0 if undefined.
+
 2006-06-12  Ulrich Drepper  <drepper@redhat.com>
 
 	* ldgeneric.c (ld_generic_generate_sections): Don't create .interp
@@ -1388,6 +1405,11 @@
 	* readelf.c (print_debug_loc_section): Fix indentation for larger
 	address size.
 
+2005-05-31  Roland McGrath  <roland@redhat.com>
+
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it in place of -Wextra.
+
 2005-05-30  Roland McGrath  <roland@redhat.com>
 
 	* readelf.c (print_debug_line_section): Print section offset of each
--- elfutils/src/findtextrel.c
+++ elfutils/src/findtextrel.c
@@ -490,7 +490,11 @@ ptrcompare (const void *p1, const void *
 
 
 static void
-check_rel (size_t nsegments, struct segments segments[nsegments],
+check_rel (size_t nsegments, struct segments segments[
+#if __GNUC__ >= 4
+						      nsegments
+#endif
+	   ],
 	   GElf_Addr addr, Elf *elf, Elf_Scn *symscn, Dwarf *dw,
 	   const char *fname, bool more_than_one, void **knownsrcs)
 {
--- elfutils/src/Makefile.am
+++ elfutils/src/Makefile.am
@@ -26,6 +26,7 @@
 ##
 DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H $(YYDEBUG) -DDEBUGPRED=@DEBUGPRED@ \
        -DSRCDIR=\"$(shell cd $(srcdir);pwd)\" -DOBJDIR=\"$(shell pwd)\"
+WEXTRA = @WEXTRA@
 if MUDFLAP
 AM_CFLAGS = -fmudflap
 else
@@ -33,7 +34,7 @@ AM_CFLAGS =
 endif
 AM_CFLAGS += -Wall -Wshadow -std=gnu99 $(native_ld_cflags) \
 	     $(if $($(*F)_no_Werror),,-Werror) \
-	     $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \
+	     $(if $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) \
 	     $(if $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $(CFLAGS_$(*F))
 
 INCLUDES = -I$(srcdir) -I$(srcdir)/../libelf -I$(srcdir)/../libebl \
@@ -112,6 +113,9 @@ addr2line_no_Wformat = yes
 # XXX While the file is not finished, don't warn about this
 ldgeneric_no_Wunused = yes
 
+# Buggy old compilers.
+readelf_no_Werror = yes
+
 readelf_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) $(libmudflap) -ldl
 nm_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) $(libmudflap) -ldl
 size_LDADD = $(libelf) $(libeu) $(libmudflap)
--- elfutils/src/Makefile.in
+++ elfutils/src/Makefile.in
@@ -202,6 +202,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -231,6 +232,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = @VERSION@
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@ -d
@@ -291,13 +293,13 @@ zip_LIBS = @zip_LIBS@
 @MUDFLAP_FALSE@AM_CFLAGS = -Wall -Wshadow -std=gnu99 \
 @MUDFLAP_FALSE@	$(native_ld_cflags) $(if \
 @MUDFLAP_FALSE@	$($(*F)_no_Werror),,-Werror) $(if \
-@MUDFLAP_FALSE@	$($(*F)_no_Wunused),,-Wunused -Wextra) $(if \
+@MUDFLAP_FALSE@	$($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \
 @MUDFLAP_FALSE@	$($(*F)_no_Wformat),-Wno-format,-Wformat=2) \
 @MUDFLAP_FALSE@	$(CFLAGS_$(*F))
 @MUDFLAP_TRUE@AM_CFLAGS = -fmudflap -Wall -Wshadow -std=gnu99 \
 @MUDFLAP_TRUE@	$(native_ld_cflags) $(if \
 @MUDFLAP_TRUE@	$($(*F)_no_Werror),,-Werror) $(if \
-@MUDFLAP_TRUE@	$($(*F)_no_Wunused),,-Wunused -Wextra) $(if \
+@MUDFLAP_TRUE@	$($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \
 @MUDFLAP_TRUE@	$($(*F)_no_Wformat),-Wno-format,-Wformat=2) \
 @MUDFLAP_TRUE@	$(CFLAGS_$(*F))
 INCLUDES = -I$(srcdir) -I$(srcdir)/../libelf -I$(srcdir)/../libebl \
@@ -343,6 +345,9 @@ strings_no_Wformat = yes
 addr2line_no_Wformat = yes
 # XXX While the file is not finished, don't warn about this
 ldgeneric_no_Wunused = yes
+
+# Buggy old compilers.
+readelf_no_Werror = yes
 readelf_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) $(libmudflap) -ldl
 nm_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) $(libmudflap) -ldl
 size_LDADD = $(libelf) $(libeu) $(libmudflap)
--- elfutils/src/readelf.c
+++ elfutils/src/readelf.c
@@ -7443,7 +7443,7 @@ dump_archive_index (Elf *elf, const char
 	  if (unlikely (elf_rand (elf, as_off) == 0)
 	      || unlikely ((subelf = elf_begin (-1, ELF_C_READ_MMAP, elf))
 			   == NULL))
-#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7)
+#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7) || __GNUC__ < 4
 	    while (1)
 #endif
 	      error (EXIT_FAILURE, 0,
--- elfutils/src/strings.c
+++ elfutils/src/strings.c
@@ -51,6 +51,10 @@
 
 #include <system.h>
 
+#ifndef MAP_POPULATE
+# define MAP_POPULATE 0
+#endif
+
 
 /* Prototypes of local functions.  */
 static int read_fd (int fd, const char *fname, off64_t fdlen);
@@ -491,8 +495,13 @@ map_file (int fd, off64_t start_off, off
 		    fd, start_off);
       if (mem != MAP_FAILED)
 	{
+#if !defined POSIX_MADV_SEQUENTIAL && defined MADV_SEQUENTIAL
+# define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL
+#endif
+#ifdef POSIX_MADV_SEQUENTIAL
 	  /* We will go through the mapping sequentially.  */
 	  (void) posix_madvise (mem, map_size, POSIX_MADV_SEQUENTIAL);
+#endif
 	  break;
 	}
       if (errno != EINVAL && errno != ENOMEM)
--- elfutils/src/strip.c
+++ elfutils/src/strip.c
@@ -52,6 +52,12 @@
 #include <libebl.h>
 #include <system.h>
 
+#ifdef HAVE_FUTIMES
+# define FUTIMES(fd, fname, tvp) futimes (fd, tvp)
+#else
+# define FUTIMES(fd, fname, tvp) utimes (fname, tvp)
+#endif
+
 
 /* Name and version of program.  */
 static void print_version (FILE *stream, struct argp_state *state);
@@ -300,8 +306,18 @@ process_file (const char *fname)
 
       /* If we have to preserve the timestamp, we need it in the
 	 format utimes() understands.  */
+#ifdef HAVE_STRUCT_STAT_ST_ATIM
       TIMESPEC_TO_TIMEVAL (&tv[0], &pre_st.st_atim);
+#else
+      tv[0].tv_sec = pre_st.st_atime;
+      tv[0].tv_usec = 0;
+#endif
+#ifdef HAVE_STRUCT_STAT_ST_MTIM
       TIMESPEC_TO_TIMEVAL (&tv[1], &pre_st.st_mtim);
+#else
+      tv[1].tv_sec = pre_st.st_atime;
+      tv[1].tv_usec = 0;
+#endif
     }
 
   /* Open the file.  */
@@ -1746,7 +1762,7 @@ handle_elf (int fd, Elf *elf, const char
   /* If requested, preserve the timestamp.  */
   if (tvp != NULL)
     {
-      if (futimes (fd, tvp) != 0)
+      if (FUTIMES (fd, output_fname, tvp) != 0)
 	{
 	  error (0, errno, gettext ("\
 cannot set access and modification date of '%s'"),
@@ -1803,7 +1819,7 @@ handle_ar (int fd, Elf *elf, const char 
 
   if (tvp != NULL)
     {
-      if (unlikely (futimes (fd, tvp) != 0))
+      if (unlikely (FUTIMES (fd, fname, tvp) != 0))
 	{
 	  error (0, errno, gettext ("\
 cannot set access and modification date of '%s'"), fname);
--- elfutils/tests/ChangeLog
+++ elfutils/tests/ChangeLog
@@ -106,6 +106,8 @@
 
 2008-01-21  Roland McGrath  <roland@redhat.com>
 
+	* line2addr.c (main): Revert last change.
+
 	* testfile45.S.bz2: Add tests for cltq, cqto.
 	* testfile45.expect.bz2: Adjust.
 
@@ -814,6 +816,11 @@
 	* Makefile.am (TESTS): Add run-elflint-test.sh.
 	(EXTRA_DIST): Add run-elflint-test.sh and testfile18.bz2.
 
+2005-05-31  Roland McGrath  <roland@redhat.com>
+
+	* Makefile.am (WEXTRA): New variable, substituted by configure.
+	(AM_CFLAGS): Use it in place of -Wextra.
+
 2005-05-24  Ulrich Drepper  <drepper@redhat.com>
 
 	* get-files.c (main): Use correct format specifier.
--- elfutils/tests/line2addr.c
+++ elfutils/tests/line2addr.c
@@ -132,7 +132,7 @@ main (int argc, char *argv[])
     {
       struct args a = { .arg = argv[cnt] };
 
-      switch (sscanf (a.arg, "%m[^:]:%d", &a.file, &a.line))
+      switch (sscanf (a.arg, "%a[^:]:%d", &a.file, &a.line))
 	{
 	default:
 	case 0:
--- elfutils/tests/Makefile.am
+++ elfutils/tests/Makefile.am
@@ -25,12 +25,13 @@
 ## <http://www.openinventionnetwork.com>.
 ##
 DEFS = -DHAVE_CONFIG_H -D_GNU_SOURCE
+WEXTRA = @WEXTRA@
 if MUDFLAP
-AM_CFLAGS = -Wall -Werror -Wextra -std=gnu99 -fmudflap\
+AM_CFLAGS = -Wall -Werror $(WEXTRA) -std=gnu99 -fmudflap\
 	    $(if $($(*F)_no_Wformat),-Wno-format,-Wformat=2)
 BUILD_RPATH = \$$ORIGIN/../backends
 else
-AM_CFLAGS = -Wall -Werror -Wextra -std=gnu99 \
+AM_CFLAGS = -Wall -Werror $(WEXTRA) -std=gnu99 \
 	    $(if $($(*F)_no_Wformat),-Wno-format,-Wformat=2)
 BUILT_RPATH = \$$ORIGIN/../libasm:\$$ORIGIN/../libdw:\$$ORIGIN/../backends:\$$ORIGIN/../libelf
 endif
--- elfutils/tests/Makefile.in
+++ elfutils/tests/Makefile.in
@@ -343,6 +343,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
+LD_AS_NEEDED = @LD_AS_NEEDED@
 LEX = @LEX@
 LEXLIB = @LEXLIB@
 LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
@@ -372,6 +373,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 USE_NLS = @USE_NLS@
 VERSION = @VERSION@
+WEXTRA = @WEXTRA@
 XGETTEXT = @XGETTEXT@
 XGETTEXT_015 = @XGETTEXT_015@
 YACC = @YACC@
@@ -429,10 +431,10 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zip_LIBS = @zip_LIBS@
-@MUDFLAP_FALSE@AM_CFLAGS = -Wall -Werror -Wextra -std=gnu99 \
+@MUDFLAP_FALSE@AM_CFLAGS = -Wall -Werror $(WEXTRA) -std=gnu99 \
 @MUDFLAP_FALSE@	    $(if $($(*F)_no_Wformat),-Wno-format,-Wformat=2)
 
-@MUDFLAP_TRUE@AM_CFLAGS = -Wall -Werror -Wextra -std=gnu99 -fmudflap\
+@MUDFLAP_TRUE@AM_CFLAGS = -Wall -Werror $(WEXTRA) -std=gnu99 -fmudflap\
 @MUDFLAP_TRUE@	    $(if $($(*F)_no_Wformat),-Wno-format,-Wformat=2)
 
 @MUDFLAP_TRUE@BUILD_RPATH = \$$ORIGIN/../backends