* configure.in (libc_cv_gnu89_inline): Test for -fgnu89-inline.

	* config.make.in (gnu89-inline-CFLAGS): New variable.
	* Makeconfig (CFLAGS): Use $(gnu89-inline-CFLAGS) together with
	-std=gnu99.
	* misc/sys/cdefs.h (__extern_inline, __extern_always_inline): Define.
	* argp/argp.h: Use it.
	* bits/mathinline.h: Likewise.
	* bits/sigset.h: Likewise.
	* bits/string.h: Likewise.
	* ctype/ctype.h: Likewise.
	* hurd/hurd.h: Likewise.
	* hurd/hurd/fd.h: Likewise.
	* hurd/hurd/port.h: Likewise.
	* hurd/hurd/signal.h: Likewise.
	* hurd/hurd/threadvar.h: Likewise.
	* hurd/hurd/userlink.h: Likewise.
	* io/sys/stat.h: Likewise.
	* libio/bits/stdio.h: Likewise.
	* libio/bits/stdio2.h: Likewise.
	* mach/lock-intern.h: Likewise.
	* mach/mach/mig_support.h: Likewise.
	* math/bits/cmathcalls.h: Likewise.
	* posix/bits/unistd.h: Likewise.
	* socket/bits/socket2.h: Likewise.
	* stdlib/bits/stdlib.h: Likewise.
	* stdlib/stdlib.h: Likewise.
	* string/argz.h: Likewise.
	* string/bits/string2.h: Likewise.
	* string/bits/string3.h: Likewise.
	* sysdeps/alpha/fpu/bits/mathinline.h: Likewise.
	* sysdeps/generic/inttypes.h: Likewise.
	* sysdeps/generic/machine-lock.h: Likewise.
	* sysdeps/generic/machine-sp.h: Likewise.
	* sysdeps/i386/fpu/bits/mathinline.h: Likewise.
	* sysdeps/i386/i486/bits/string.h: Likewise.
	* sysdeps/ia64/fpu/bits/mathinline.h: Likewise.
	* sysdeps/mach/alpha/machine-lock.h: Likewise.
	* sysdeps/mach/alpha/machine-sp.h: Likewise.
	* sysdeps/mach/i386/machine-lock.h: Likewise.
	* sysdeps/mach/powerpc/machine-lock.h: Likewise.
	* sysdeps/mach/powerpc/machine-sp.h: Likewise.
	* sysdeps/powerpc/fpu/bits/mathinline.h: Likewise.
	* sysdeps/s390/bits/string.h: Likewise.
	* sysdeps/s390/fpu/bits/mathinline.h: Likewise.
	* sysdeps/sparc/fpu/bits/mathinline.h: Likewise.
	* sysdeps/unix/bsd/bsd4.4/bits/socket.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/sigset.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/sysmacros.h: Likewise.
	* sysdeps/x86_64/fpu/bits/mathinline.h: Likewise.
	* wcsmbs/bits/wchar2.h: Likewise.
	* wcsmbs/wchar.h: Likewise.
	* stdlib/gmp.h: Likewise.  Include <features.h> to get
	__extern_inline definition.

	* locale/programs/ld-ctype.c (find_translit): Return NULL if ctype is
	NULL.

56 files changed, 293 insertions, 183 deletions

diff --git a/ChangeLog b/ChangeLog
index 6824b72032..c2ee48ddff 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,65 @@
+2007-03-16  Jakub Jelinek  <jakub@redhat.com>
+
+	* configure.in (libc_cv_gnu89_inline): Test for -fgnu89-inline.
+	* config.make.in (gnu89-inline-CFLAGS): New variable.
+	* Makeconfig (CFLAGS): Use $(gnu89-inline-CFLAGS) together with
+	-std=gnu99.
+	* misc/sys/cdefs.h (__extern_inline, __extern_always_inline): Define.
+	* argp/argp.h: Use it.
+	* bits/mathinline.h: Likewise.
+	* bits/sigset.h: Likewise.
+	* bits/string.h: Likewise.
+	* ctype/ctype.h: Likewise.
+	* hurd/hurd.h: Likewise.
+	* hurd/hurd/fd.h: Likewise.
+	* hurd/hurd/port.h: Likewise.
+	* hurd/hurd/signal.h: Likewise.
+	* hurd/hurd/threadvar.h: Likewise.
+	* hurd/hurd/userlink.h: Likewise.
+	* io/sys/stat.h: Likewise.
+	* libio/bits/stdio.h: Likewise.
+	* libio/bits/stdio2.h: Likewise.
+	* mach/lock-intern.h: Likewise.
+	* mach/mach/mig_support.h: Likewise.
+	* math/bits/cmathcalls.h: Likewise.
+	* posix/bits/unistd.h: Likewise.
+	* socket/bits/socket2.h: Likewise.
+	* stdlib/bits/stdlib.h: Likewise.
+	* stdlib/stdlib.h: Likewise.
+	* string/argz.h: Likewise.
+	* string/bits/string2.h: Likewise.
+	* string/bits/string3.h: Likewise.
+	* sysdeps/alpha/fpu/bits/mathinline.h: Likewise.
+	* sysdeps/generic/inttypes.h: Likewise.
+	* sysdeps/generic/machine-lock.h: Likewise.
+	* sysdeps/generic/machine-sp.h: Likewise.
+	* sysdeps/i386/fpu/bits/mathinline.h: Likewise.
+	* sysdeps/i386/i486/bits/string.h: Likewise.
+	* sysdeps/ia64/fpu/bits/mathinline.h: Likewise.
+	* sysdeps/mach/alpha/machine-lock.h: Likewise.
+	* sysdeps/mach/alpha/machine-sp.h: Likewise.
+	* sysdeps/mach/i386/machine-lock.h: Likewise.
+	* sysdeps/mach/powerpc/machine-lock.h: Likewise.
+	* sysdeps/mach/powerpc/machine-sp.h: Likewise.
+	* sysdeps/powerpc/fpu/bits/mathinline.h: Likewise.
+	* sysdeps/s390/bits/string.h: Likewise.
+	* sysdeps/s390/fpu/bits/mathinline.h: Likewise.
+	* sysdeps/sparc/fpu/bits/mathinline.h: Likewise.
+	* sysdeps/unix/bsd/bsd4.4/bits/socket.h: Likewise.
+	* sysdeps/unix/sysv/linux/bits/sigset.h: Likewise.
+	* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
+	* sysdeps/unix/sysv/linux/sys/sysmacros.h: Likewise.
+	* sysdeps/x86_64/fpu/bits/mathinline.h: Likewise.
+	* wcsmbs/bits/wchar2.h: Likewise.
+	* wcsmbs/wchar.h: Likewise.
+	* stdlib/gmp.h: Likewise.  Include <features.h> to get
+	__extern_inline definition.
+
 2007-03-15  Jakub Jelinek  <jakub@redhat.com>
 
+	* locale/programs/ld-ctype.c (find_translit): Return NULL if ctype is
+	NULL.
+
 	[BZ #3919]
 	* math/libm-test.inc (log_test): Test -Inf and NaN.
 	(log10_test, log1p_test, log2_test): Test -Inf.
diff --git a/Makeconfig b/Makeconfig
index 349f94d9ac..049e4ca83a 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2003,2004,2005,2006 Free Software Foundation, Inc.
+# Copyright (C) 1991-2003,2004,2005,2006,2007 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -672,7 +672,7 @@ CPPFLAGS = $($(subdir)-CPPFLAGS) $(+includes) $(defines) \
 	   $(foreach lib,$(libof-$(basename $(@F))) \
 		         $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \
 	   $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F)))
-override CFLAGS	= -std=gnu99 \
+override CFLAGS	= -std=gnu99 $(gnu89-inline-CFLAGS) \
 		  $(filter-out %frame-pointer,$(+cflags)) $(+gccwarn-c) \
 		  $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(<F)) \
 		  $(CFLAGS-$(@F))
diff --git a/argp/argp.h b/argp/argp.h
index 3a5cb01fd8..baf3afd826 100644
--- a/argp/argp.h
+++ b/argp/argp.h
@@ -1,5 +1,6 @@
 /* Hierarchial argument parsing, layered over getopt.
-   Copyright (C) 1995-1999,2003,2004,2005,2006 Free Software Foundation, Inc.
+   Copyright (C) 1995-1999, 2003, 2004, 2005, 2006, 2007
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -558,7 +559,7 @@ extern void *__argp_input (__const struct argp *__restrict __argp,
 # endif
 
 # ifndef ARGP_EI
-#  define ARGP_EI extern __inline__
+#  define ARGP_EI __extern_inline
 # endif
 
 ARGP_EI void
diff --git a/bits/mathinline.h b/bits/mathinline.h
index 5498af6b63..02ec21b438 100644
--- a/bits/mathinline.h
+++ b/bits/mathinline.h
@@ -1,6 +1,6 @@
 /* This file should provide inline versions of math functions.
 
-   Surround GCC-specific parts with #ifdef __GNUC__, and use `extern __inline'.
+   Surround GCC-specific parts with #ifdef __GNUC__, and use `__extern_inline'.
 
    This file should define __MATH_INLINES if functions are actually defined as
    inlines.  */
diff --git a/bits/sigset.h b/bits/sigset.h
index 5fc8692df0..d6f9311e71 100644
--- a/bits/sigset.h
+++ b/bits/sigset.h
@@ -1,5 +1,6 @@
 /* __sig_atomic_t, __sigset_t, and related definitions.  Generic/BSD version.
-   Copyright (C) 1991, 1992, 1994, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1992, 1994, 1996, 1997, 2007
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -38,7 +39,7 @@ typedef unsigned long int __sigset_t;
 #define _SIGSET_H_fns 1
 
 #ifndef _EXTERN_INLINE
-# define _EXTERN_INLINE extern __inline
+# define _EXTERN_INLINE __extern_inline
 #endif
 
 /* Return a mask that includes SIG only.  The cast to `sigset_t' avoids
diff --git a/bits/string.h b/bits/string.h
index ad68b038b6..f8630d2c52 100644
--- a/bits/string.h
+++ b/bits/string.h
@@ -1,6 +1,6 @@
 /* This file should provide inline versions of string functions.
 
-   Surround GCC-specific parts with #ifdef __GNUC__, and use `extern __inline'.
+   Surround GCC-specific parts with #ifdef __GNUC__, and use `__extern_inline'.
 
    This file should define __STRING_INLINES if functions are actually defined
    as inlines.  */
diff --git a/config.make.in b/config.make.in
index 7aa9c1c12d..35597f808d 100644
--- a/config.make.in
+++ b/config.make.in
@@ -53,6 +53,7 @@ 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@
+gnu89-inline-CFLAGS = @libc_cv_gnu89_inline@
 have-ssp = @libc_cv_ssp@
 have-selinux = @have_selinux@
 have-libaudit = @have_libaudit@
diff --git a/configure.in b/configure.in
index 71ceb04b33..baf37598b2 100644
--- a/configure.in
+++ b/configure.in
@@ -1641,6 +1641,30 @@ fi
 rm -f conftest*])
 AC_SUBST(libc_cv_ssp)
 
+AC_CACHE_CHECK(for -fgnu89-inline, libc_cv_gnu89_inline, [dnl
+cat > conftest.c <<EOF
+int foo;
+#ifdef __GNUC_GNU_INLINE__
+main () { return 0;}
+#else
+#error
+#endif
+EOF
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -std=gnu99 -fgnu89-inline
+			    -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+  libc_cv_gnu89_inline=yes
+else
+  libc_cv_gnu89_inline=no
+fi
+rm -f conftest*])
+if test $libc_cv_gnu89_inline = yes; then
+  libc_cv_gnu89_inline=-fgnu89-inline
+else
+  libc_cv_gnu89_inline=
+fi
+AC_SUBST(libc_cv_gnu89_inline)
+
 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/ctype/ctype.h b/ctype/ctype.h
index e08545359d..9ae7fb6088 100644
--- a/ctype/ctype.h
+++ b/ctype/ctype.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,95,96,97,98,99,2001,2002,2004
+/* Copyright (C) 1991,92,93,95,96,97,98,99,2001,2002,2004,2007
    	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -187,13 +187,13 @@ __exctype (_tolower);
 # endif
 
 # ifdef __USE_EXTERN_INLINES
-extern __inline int
+__extern_inline int
 __NTH (tolower (int __c))
 {
   return __c >= -128 && __c < 256 ? (*__ctype_tolower_loc ())[__c] : __c;
 }
 
-extern __inline int
+__extern_inline int
 __NTH (toupper (int __c))
 {
   return __c >= -128 && __c < 256 ? (*__ctype_toupper_loc ())[__c] : __c;
diff --git a/hurd/hurd.h b/hurd/hurd.h
index 0dc9f2158b..642ea43b7b 100644
--- a/hurd/hurd.h
+++ b/hurd/hurd.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1993,94,95,96,97,98,99,2001,02 Free Software Foundation, Inc.
+/* Copyright (C) 1993,94,95,96,97,98,99,2001,2002,2007
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The