* 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.

3 files changed, 14 insertions, 11 deletions

diff --git a/sysdeps/unix/sysv/linux/bits/sigset.h b/sysdeps/unix/sysv/linux/bits/sigset.h
index 7ccadda456..daec8ac494 100644
--- a/sysdeps/unix/sysv/linux/bits/sigset.h
+++ b/sysdeps/unix/sysv/linux/bits/sigset.h
@@ -1,5 +1,6 @@
 /* __sig_atomic_t, __sigset_t, and related definitions.  Linux 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
@@ -43,7 +44,7 @@ typedef struct
 # define _SIGSET_H_fns 1
 
 # ifndef _EXTERN_INLINE
-#  define _EXTERN_INLINE extern __inline
+#  define _EXTERN_INLINE __extern_inline
 # endif
 
 /* Return a mask that includes the bit for SIG only.  */
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index 356a2ece74..377f589bbd 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -1,5 +1,6 @@
 /* System-specific socket constants and types.  Linux version.
-   Copyright (C) 1991,1992,1994-2001,2004,2006 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1992, 1994-2001, 2004, 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
@@ -264,7 +265,7 @@ extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr,
 				      struct cmsghdr *__cmsg) __THROW;
 #ifdef __USE_EXTERN_INLINES
 # ifndef _EXTERN_INLINE
-#  define _EXTERN_INLINE extern __inline
+#  define _EXTERN_INLINE __extern_inline
 # endif
 _EXTERN_INLINE struct cmsghdr *
 __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
diff --git a/sysdeps/unix/sysv/linux/sys/sysmacros.h b/sysdeps/unix/sysv/linux/sys/sysmacros.h
index 179642ff40..e59672980e 100644
--- a/sysdeps/unix/sysv/linux/sys/sysmacros.h
+++ b/sysdeps/unix/sysv/linux/sys/sysmacros.h
@@ -1,5 +1,6 @@
 /* Definitions of macros to access `dev_t' values.
-   Copyright (C) 1996, 1997, 1999, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1999, 2003, 2004, 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
@@ -27,30 +28,30 @@
    they need.  */
 #ifdef __GLIBC_HAVE_LONG_LONG
 __extension__
-extern __inline unsigned int gnu_dev_major (unsigned long long int __dev)
+__extern_inline unsigned int gnu_dev_major (unsigned long long int __dev)
      __THROW;
 __extension__
-extern __inline unsigned int gnu_dev_minor (unsigned long long int __dev)
+__extern_inline unsigned int gnu_dev_minor (unsigned long long int __dev)
      __THROW;
 __extension__
-extern __inline unsigned long long int gnu_dev_makedev (unsigned int __major,
+__extern_inline unsigned long long int gnu_dev_makedev (unsigned int __major,
 							unsigned int __minor)
      __THROW;
 
 # if defined __GNUC__ && __GNUC__ >= 2
-__extension__ extern __inline unsigned int
+__extension__ __extern_inline unsigned int
 __NTH (gnu_dev_major (unsigned long long int __dev))
 {
   return ((__dev >> 8) & 0xfff) | ((unsigned int) (__dev >> 32) & ~0xfff);
 }
 
-__extension__ extern __inline unsigned int
+__extension__ __extern_inline unsigned int
 __NTH (gnu_dev_minor (unsigned long long int __dev))
 {
   return (__dev & 0xff) | ((unsigned int) (__dev >> 12) & ~0xff);
 }
 
-__extension__ extern __inline unsigned long long int
+__extension__ __extern_inline unsigned long long int
 __NTH (gnu_dev_makedev (unsigned int __major, unsigned int __minor))
 {
   return ((__minor & 0xff) | ((__major & 0xfff) << 8)