* misc/sys/cdefs.h (__va_arg_pack): Define for GCC 4.3+.

	* misc/bits/syslog.h (syslog): When __va_arg_pack is defined,
	implement as __extern_always_inline function.
	(vsyslog): Define as __extern_always_inline function unconditionally.
	* libio/bits/stdio2.h (sprintf, snprintf, printf, fprintf):
	When __va_arg_pack is defined, implement as __extern_always_inline
	functions.
	(vsprintf, vsnprintf, vprintf, vfprintf): Define as
	__extern_always_inline functions unconditionally.
	* libio/bits/stdio.h (vprintf): Ifdef out the inline when
	bits/stdio2.h will be included.
	* wcsmbs/bits/wchar2.h (__swprintf_alias): New redirect.
	(swprintf, wprintf, fwprintf): When __va_arg_pack is defined,
	implement as __extern_always_inline functions.
	(vswprintf, vwprintf, vfwprintf): Define as
	__extern_always_inline functions unconditionally.
	* debug/tst-chk1.c (do_test): Enable remaining tests for C++.

2007-09-03  Jakub Jelinek  <jakub@redhat.com>

	* misc/sys/cdefs.h (__extern_inline, __extern_always_inline): Only
	define in C++ for GCC 4.3+, in C++ always use __gnu_inline__
	attribute.
	* include/features.h (__USE_EXTERN_INLINES): Define only when
	__extern_inline is defined.
	* stdlib/stdlib.h: Include bits/stdlib.h when __extern_always_inline
	is defined instead of when not __cplusplus.
	* misc/sys/syslog.h: Include bits/syslog.h when __extern_always_inline
	is defined instead of when not __cplusplus.
	* socket/sys/socket.h: Include bits/socket2.h when
	__extern_always_inline is defined instead of when not __cplusplus.
	* libio/stdio.h: Include bits/stdio2.h when __extern_always_inline
	is defined instead of when not __cplusplus.
	* posix/unistd.h: Include bits/unistd.h when __extern_always_inline
	is defined instead of when not __cplusplus.
	* string/string.h: Include bits/string3.h when __extern_always_inline
	is defined instead of when not __cplusplus.
	* wcsmbs/wchar.h: Include bits/wchar2.h when __extern_always_inline
	is defined instead of when not __cplusplus.
	(btowc, wctob): Don't guard the inlines with ifndef __cplusplus.
	* io/fcntl.h: Don't include bits/fcntl2.h if __extern_always_inline
	is not defined.
	* misc/bits/syslog-ldbl.h: Guard *_chk stuff with
	defined __extern_always_inline instead of !defined __cplusplus.
	* libio/bits/stdio-ldbl.h: Likewise.
	* wcsmbs/bits/wchar-ldbl.h: Likewise.
	* misc/bits/syslog.h (syslog): Don't define for C++.
	(vsyslog): Use __extern_always_inline function for C++ instead of
	a macro.
	* libio/bits/stdio.h (__STDIO_INLINE): Define to __extern_inline
	whenever that macro is defined.
	(vprintf): Don't provide the inline for C++.
	(fread_unlocked, fwrite_unlocked): Don't define the macros for C++.
	* libio/bits/stdio2.h (sprintf, snprintf, printf, fprintf): Don't
	define the macros for C++.
	(vsprintf, vsnprintf, vprintf, vfprintf): Define as
	__extern_always_inline functions for C++.
	* io/sys/stat.h (stat, lstat, fstat, fstatat, mknod, mknodat,
	stat64, lstat64, fstat64, fstatat64): Don't define if not
	__USE_EXTERN_INLINES.
	* wcsmbs/bits/wchar2.h: Fix #error message.
	(swprintf, wprintf, fwprintf): Don't define the macros for C++.
	(vswprintf, vwprintf, vfwprintf): Define using
	__extern_always_inline functions for C++.
	* string/bits/string3.h: Don't #undef macros if __cplusplus.
	(memcpy, memmove, mempcpy, memset, bcopy, bzero, strcpy, stpcpy,
	strncpy, strcat, strncat): Define as __extern_always_inline
	functions instead of macros for C++.
	* math/bits/cmathcalls.h: Guard __extern_inline routines with
	defined __extern_inline.
	* sysdeps/alpha/fpu/bits/mathinline.h (__MATH_INLINE): Define
	to __extern_inline whenever that macro is defined.
	* sysdeps/ia64/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
	* sysdeps/i386/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
	* sysdeps/i386/i486/bits/string.h (__STRING_INLINE): Likewise.
	* sysdeps/s390/bits/string.h (__STRING_INLINE): Likewise.
	* sysdeps/s390/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
	* sysdeps/powerpc/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
	* sysdeps/x86_64/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
	* sysdeps/sparc/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
	* sysdeps/unix/sysv/linux/sys/sysmacros.h (gnu_dev_major,
	gnu_dev_minor, gnu_dev_makedev): Remove __extern_inline from
	prototypes.  Only provide __extern_inline routines if
	__USE_EXTERN_INLINES.
	* debug/Makefile: Add rules to build and run tst-{,lfs}chk{4,5,6}
	tests.
	* debug/tst-chk1.c (do_prepare, do_test): Allow compilation as C++.
	For now avoid some *printf tests in C++.  Skip all testing
	if __USE_FORTIFY_LEVEL is defined, but __extern_always_inline macro
	is not.
	* debug/tst-chk4.cc: New file.
	* debug/tst-chk5.cc: New file.
	* debug/tst-chk6.cc: New file.
	* debug/tst-lfschk4.cc: New file.
	* debug/tst-lfschk5.cc: New file.
	* debug/tst-lfschk6.cc: New file.
	* include/wchar.h (__vfwprintf_chk, __vswprintf_chk): Avoid
	prototypes in C++.
	* include/stdio.h (__sprintf_chk, __snprintf_chk, __vsprintf_chk,
	__vsnprintf_chk, __printf_chk, __fprintf_chk, __vprintf_chk,
	__vfprintf_chk, __fgets_unlocked_chk, __fgets_chk): Likewise.

ChangeLog

@@ -1,3 +1,107 @@
+2007-09-07  Jakub Jelinek  <jakub@redhat.com>
+
+	* misc/sys/cdefs.h (__va_arg_pack): Define for GCC 4.3+.
+	* misc/bits/syslog.h (syslog): When __va_arg_pack is defined,
+	implement as __extern_always_inline function.
+	(vsyslog): Define as __extern_always_inline function unconditionally.
+	* libio/bits/stdio2.h (sprintf, snprintf, printf, fprintf):
+	When __va_arg_pack is defined, implement as __extern_always_inline
+	functions.
+	(vsprintf, vsnprintf, vprintf, vfprintf): Define as
+	__extern_always_inline functions unconditionally.
+	* libio/bits/stdio.h (vprintf): Ifdef out the inline when
+	bits/stdio2.h will be included.
+	* wcsmbs/bits/wchar2.h (__swprintf_alias): New redirect.
+	(swprintf, wprintf, fwprintf): When __va_arg_pack is defined,
+	implement as __extern_always_inline functions.
+	(vswprintf, vwprintf, vfwprintf): Define as
+	__extern_always_inline functions unconditionally.
+	* debug/tst-chk1.c (do_test): Enable remaining tests for C++.
+
+2007-09-03  Jakub Jelinek  <jakub@redhat.com>
+
+	* misc/sys/cdefs.h (__extern_inline, __extern_always_inline): Only
+	define in C++ for GCC 4.3+, in C++ always use __gnu_inline__
+	attribute.
+	* include/features.h (__USE_EXTERN_INLINES): Define only when
+	__extern_inline is defined.
+	* stdlib/stdlib.h: Include bits/stdlib.h when __extern_always_inline
+	is defined instead of when not __cplusplus.
+	* misc/sys/syslog.h: Include bits/syslog.h when __extern_always_inline
+	is defined instead of when not __cplusplus.
+	* socket/sys/socket.h: Include bits/socket2.h when
+	__extern_always_inline is defined instead of when not __cplusplus.
+	* libio/stdio.h: Include bits/stdio2.h when __extern_always_inline
+	is defined instead of when not __cplusplus.
+	* posix/unistd.h: Include bits/unistd.h when __extern_always_inline
+	is defined instead of when not __cplusplus.
+	* string/string.h: Include bits/string3.h when __extern_always_inline
+	is defined instead of when not __cplusplus.
+	* wcsmbs/wchar.h: Include bits/wchar2.h when __extern_always_inline
+	is defined instead of when not __cplusplus.
+	(btowc, wctob): Don't guard the inlines with ifndef __cplusplus.
+	* io/fcntl.h: Don't include bits/fcntl2.h if __extern_always_inline
+	is not defined.
+	* misc/bits/syslog-ldbl.h: Guard *_chk stuff with
+	defined __extern_always_inline instead of !defined __cplusplus.
+	* libio/bits/stdio-ldbl.h: Likewise.
+	* wcsmbs/bits/wchar-ldbl.h: Likewise.
+	* misc/bits/syslog.h (syslog): Don't define for C++.
+	(vsyslog): Use __extern_always_inline function for C++ instead of
+	a macro.
+	* libio/bits/stdio.h (__STDIO_INLINE): Define to __extern_inline
+	whenever that macro is defined.
+	(vprintf): Don't provide the inline for C++.
+	(fread_unlocked, fwrite_unlocked): Don't define the macros for C++.
+	* libio/bits/stdio2.h (sprintf, snprintf, printf, fprintf): Don't
+	define the macros for C++.
+	(vsprintf, vsnprintf, vprintf, vfprintf): Define as
+	__extern_always_inline functions for C++.
+	* io/sys/stat.h (stat, lstat, fstat, fstatat, mknod, mknodat,
+	stat64, lstat64, fstat64, fstatat64): Don't define if not
+	__USE_EXTERN_INLINES.
+	* wcsmbs/bits/wchar2.h: Fix #error message.
+	(swprintf, wprintf, fwprintf): Don't define the macros for C++.
+	(vswprintf, vwprintf, vfwprintf): Define using
+	__extern_always_inline functions for C++.
+	* string/bits/string3.h: Don't #undef macros if __cplusplus.
+	(memcpy, memmove, mempcpy, memset, bcopy, bzero, strcpy, stpcpy,
+	strncpy, strcat, strncat): Define as __extern_always_inline
+	functions instead of macros for C++.
+	* math/bits/cmathcalls.h: Guard __extern_inline routines with
+	defined __extern_inline.
+	* sysdeps/alpha/fpu/bits/mathinline.h (__MATH_INLINE): Define
+	to __extern_inline whenever that macro is defined.
+	* sysdeps/ia64/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
+	* sysdeps/i386/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
+	* sysdeps/i386/i486/bits/string.h (__STRING_INLINE): Likewise.
+	* sysdeps/s390/bits/string.h (__STRING_INLINE): Likewise.
+	* sysdeps/s390/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
+	* sysdeps/powerpc/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
+	* sysdeps/x86_64/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
+	* sysdeps/sparc/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
+	* sysdeps/unix/sysv/linux/sys/sysmacros.h (gnu_dev_major,
+	gnu_dev_minor, gnu_dev_makedev): Remove __extern_inline from
+	prototypes.  Only provide __extern_inline routines if
+	__USE_EXTERN_INLINES.
+	* debug/Makefile: Add rules to build and run tst-{,lfs}chk{4,5,6}
+	tests.
+	* debug/tst-chk1.c (do_prepare, do_test): Allow compilation as C++.
+	For now avoid some *printf tests in C++.  Skip all testing
+	if __USE_FORTIFY_LEVEL is defined, but __extern_always_inline macro
+	is not.
+	* debug/tst-chk4.cc: New file.
+	* debug/tst-chk5.cc: New file.
+	* debug/tst-chk6.cc: New file.
+	* debug/tst-lfschk4.cc: New file.
+	* debug/tst-lfschk5.cc: New file.
+	* debug/tst-lfschk6.cc: New file.
+	* include/wchar.h (__vfwprintf_chk, __vswprintf_chk): Avoid
+	prototypes in C++.
+	* include/stdio.h (__sprintf_chk, __snprintf_chk, __vsprintf_chk,
+	__vsnprintf_chk, __printf_chk, __fprintf_chk, __vprintf_chk,
+	__vfprintf_chk, __fgets_unlocked_chk, __fgets_chk): Likewise.
+
 2007-09-13  Ulrich Drepper  <drepper@redhat.com>
 
 	* po/cs.po: Update from translation team.

debug/Makefile

@@ -79,15 +79,37 @@ CFLAGS-recvfrom_chk.c = -fexceptions -fasynchronous-unwind-tables
 CFLAGS-tst-chk1.c = -Wno-format
 CFLAGS-tst-chk2.c = -Wno-format
 CFLAGS-tst-chk3.c = -Wno-format
+CFLAGS-tst-chk4.cc = -Wno-format
+CFLAGS-tst-chk5.cc = -Wno-format
+CFLAGS-tst-chk6.cc = -Wno-format
+CFLAGS-tst-lfschk1.c = -Wno-format
+CFLAGS-tst-lfschk2.c = -Wno-format
+CFLAGS-tst-lfschk3.c = -Wno-format
+CFLAGS-tst-lfschk4.cc = -Wno-format
+CFLAGS-tst-lfschk5.cc = -Wno-format
+CFLAGS-tst-lfschk6.cc = -Wno-format
 tst-chk1-ENV = LOCPATH=$(common-objpfx)localedata
 tst-chk2-ENV = LOCPATH=$(common-objpfx)localedata
 tst-chk3-ENV = LOCPATH=$(common-objpfx)localedata
+tst-chk4-ENV = LOCPATH=$(common-objpfx)localedata
+tst-chk5-ENV = LOCPATH=$(common-objpfx)localedata
+tst-chk6-ENV = LOCPATH=$(common-objpfx)localedata
 tst-lfschk1-ENV = LOCPATH=$(common-objpfx)localedata
 tst-lfschk2-ENV = LOCPATH=$(common-objpfx)localedata
 tst-lfschk3-ENV = LOCPATH=$(common-objpfx)localedata
+tst-lfschk4-ENV = LOCPATH=$(common-objpfx)localedata
+tst-lfschk5-ENV = LOCPATH=$(common-objpfx)localedata
+tst-lfschk6-ENV = LOCPATH=$(common-objpfx)localedata
+LDFLAGS-tst-chk4 = -lstdc++
+LDFLAGS-tst-chk5 = -lstdc++
+LDFLAGS-tst-chk6 = -lstdc++
+LDFLAGS-tst-lfschk4 = -lstdc++
+LDFLAGS-tst-lfschk5 = -lstdc++
+LDFLAGS-tst-lfschk6 = -lstdc++
 
 tests = backtrace-tst tst-chk1 tst-chk2 tst-chk3 \
-	tst-lfschk1 tst-lfschk2 tst-lfschk3 test-strcpy_chk test-stpcpy_chk
+	tst-lfschk1 tst-lfschk2 tst-lfschk3 test-strcpy_chk test-stpcpy_chk \
+	tst-chk4 tst-chk5 tst-chk6 tst-lfschk4 tst-lfschk5 tst-lfschk6
 
 extra-libs = libSegFault libpcprofile
 extra-libs-others = $(extra-libs)

debug/tst-chk1.c

@@ -49,7 +49,7 @@ do_prepare (void)
     }
 
   const char *strs = "abcdefgh\nABCDEFGHI\nabcdefghij\nABCDEFGHIJ";
-  if (write (temp_fd, strs, strlen (strs)) != strlen (strs))
+  if ((size_t) write (temp_fd, strs, strlen (strs)) != strlen (strs))
     {
       puts ("could not write test strings into file");
       unlink (temp_filename);
@@ -102,7 +102,7 @@ int num2 = 987654;
       chk_fail_ok = 0;				\
       FAIL ();					\
     }
-#if __USE_FORTIFY_LEVEL >= 2
+#if __USE_FORTIFY_LEVEL >= 2 && (!defined __cplusplus || defined __va_arg_pack)
 #define CHK_FAIL2_START CHK_FAIL_START
 #define CHK_FAIL2_END CHK_FAIL_END
 #else
@@ -142,6 +142,12 @@ do_test (void)
 #endif
 	  );
 
+#if defined __USE_FORTIFY_LEVEL && !defined __extern_always_inline
+  printf ("Test skipped");
+  if (l0 == 0)
+    return 0;
+#endif
+
   /* These ops can be done without runtime checking of object size.  */
   memcpy (buf, "abcdefghij", 10);
   memmove (buf + 1, buf, 9);
@@ -280,7 +286,7 @@ do_test (void)
   CHK_FAIL_END
 
   CHK_FAIL_START
-  p = mempcpy (buf + 6, "abcde", l0 + 5);
+  p = (char *) mempcpy (buf + 6, "abcde", l0 + 5);
   CHK_FAIL_END
 
   CHK_FAIL_START
@@ -303,13 +309,15 @@ do_test (void)
   stpncpy (buf + 6, "cd", l0 + 5);
   CHK_FAIL_END
 
+# if !defined __cplusplus || defined __va_arg_pack
   CHK_FAIL_START
   sprintf (buf + 8, "%d", num1);
   CHK_FAIL_END
 
   CHK_FAIL_START
   snprintf (buf + 8, l0 + 3, "%d", num2);
   CHK_FAIL_END
+# endif
 
   memcpy (buf, str1 + 2, l0 + 9);
   CHK_FAIL_START
@@ -330,18 +338,18 @@ do_test (void)
   CHK_FAIL_END
 
   CHK_FAIL_START
-  p = mempcpy (a.buf1 + 6, "abcde", l0 + 5);
+  p = (char *) mempcpy (a.buf1 + 6, "abcde", l0 + 5);
   CHK_FAIL_END
 
   CHK_FAIL_START
   memset (a.buf1 + 9, 'j', l0 + 2);
   CHK_FAIL_END
 
-#if __USE_FORTIFY_LEVEL >= 2
-# define O 0
-#else
-# define O 1
-#endif
+# if __USE_FORTIFY_LEVEL >= 2
+#  define O 0
+# else
+#  define O 1
+# endif
 
   CHK_FAIL_START
   strcpy (a.buf1 + (O + 4), str1 + 5);
@@ -355,13 +363,15 @@ do_test (void)
   strncpy (a.buf1 + (O + 6), "X", l0 + 4);
   CHK_FAIL_END
 
+# if !defined __cplusplus || defined __va_arg_pack
   CHK_FAIL_START
   sprintf (a.buf1 + (O + 7), "%d", num1);
   CHK_FAIL_END
 
   CHK_FAIL_START
   snprintf (a.buf1 + (O + 7), l0 + 3, "%d", num2);
   CHK_FAIL_END
+# endif
 
   memcpy (a.buf1, str1 + (3 - O), l0 + 8 + O);
   CHK_FAIL_START
@@ -919,7 +929,8 @@ do_test (void)
   else
     {
       const char *sendstr = "abcdefgh\nABCDEFGH\n0123456789\n";
-      if (send (sp[0], sendstr, strlen (sendstr), 0) != strlen (sendstr))
+      if ((size_t) send (sp[0], sendstr, strlen (sendstr), 0)
+	  != strlen (sendstr))
 	FAIL ();
 
       char recvbuf[12];
@@ -951,29 +962,30 @@ do_test (void)
       struct sockaddr_un sa_un;
 
       sl = sizeof (sa_un);
-      if (recvfrom (sp[1], recvbuf, sizeof recvbuf, MSG_PEEK, &sa_un, &sl)
+      if (recvfrom (sp[1], recvbuf, sizeof recvbuf, MSG_PEEK,
+		    (struct sockaddr *) &sa_un, &sl)
 	  != sizeof recvbuf
 	  || memcmp (recvbuf, sendstr, sizeof recvbuf) != 0)
 	FAIL ();
 
       sl = sizeof (sa_un);
       if (recvfrom (sp[1], recvbuf + 6, l0 + sizeof recvbuf - 7, MSG_PEEK,
-	  &sa_un, &sl) != sizeof recvbuf - 7
+		    (struct sockaddr *) &sa_un, &sl) != sizeof recvbuf - 7
 	  || memcmp (recvbuf + 6, sendstr, sizeof recvbuf - 7) != 0)
 	FAIL ();
 
 #if __USE_FORTIFY_LEVEL >= 1
       CHK_FAIL_START
       sl = sizeof (sa_un);
-      if (recvfrom (sp[1], recvbuf + 1, sizeof recvbuf, MSG_PEEK, &sa_un, &sl)
-	  != sizeof recvbuf)
+      if (recvfrom (sp[1], recvbuf + 1, sizeof recvbuf, MSG_PEEK,
+		    (struct sockaddr *) &sa_un, &sl) != sizeof recvbuf)
 	FAIL ();
       CHK_FAIL_END
 
       CHK_FAIL_START
       sl = sizeof (sa_un);
       if (recvfrom (sp[1], recvbuf + 4, l0 + sizeof recvbuf - 3, MSG_PEEK,
-	  &sa_un, &sl) != sizeof recvbuf - 3)
+		    (struct sockaddr *) &sa_un, &sl) != sizeof recvbuf - 3)
 	FAIL ();
       CHK_FAIL_END
 #endif

debug/tst-chk4.cc

@@ -0,0 +1 @@
+#include "tst-chk1.c"

debug/tst-chk5.cc

@@ -0,0 +1,2 @@
+#define _FORTIFY_SOURCE 1
+#include "tst-chk1.c"

debug/tst-chk6.cc

@@ -0,0 +1,2 @@
+#define _FORTIFY_SOURCE 2
+#include "tst-chk1.c"

debug/tst-lfschk4.cc

@@ -0,0 +1,2 @@
+#define _FILE_OFFSET_BITS 64
+#include "tst-chk1.c"

debug/tst-lfschk5.cc

@@ -0,0 +1,2 @@
+#define _FILE_OFFSET_BITS 64
+#include "tst-chk2.c"

debug/tst-lfschk6.cc

@@ -0,0 +1,2 @@
+#define _FILE_OFFSET_BITS 64
+#include "tst-chk3.c"

include/features.h

@@ -341,7 +341,8 @@
 
 /* Decide whether we can define 'extern inline' functions in headers.  */
 #if __GNUC_PREREQ (2, 7) && defined __OPTIMIZE__ \
-    && !defined __OPTIMIZE_SIZE__ && !defined __NO_INLINE__
+    && !defined __OPTIMIZE_SIZE__ && !defined __NO_INLINE__ \
+    && defined __extern_inline
 # define __USE_EXTERN_INLINES	1
 #endif
 

include/stdio.h

@@ -27,6 +27,7 @@ extern int __vsscanf (__const char *__restrict __s,
 		      _G_va_list __arg)
      __attribute__ ((__format__ (__scanf__, 2, 0)));
 
+#ifndef __cplusplus
 extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW;
 extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
      __THROW;
@@ -40,6 +41,7 @@ extern int __vprintf_chk (int, const char *, _G_va_list);
 extern int __vfprintf_chk (FILE *, int, const char *, _G_va_list);
 extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
 extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
+#endif
 
 /* Prototypes for compatibility functions.  */
 extern FILE *__new_tmpfile (void);

include/wchar.h

@@ -152,6 +152,7 @@ extern int __vfwprintf (__FILE *__restrict __s,
 			__const wchar_t *__restrict __format,
 			__gnuc_va_list __arg)
      /* __attribute__ ((__format__ (__wprintf__, 2, 0))) */;
+#ifndef __cplusplus
 extern int __vfwprintf_chk (FILE *__restrict __s, int __flag,
 			    const wchar_t *__restrict __format,
 			    __gnuc_va_list __arg)
@@ -163,6 +164,7 @@ extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
      /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
 libc_hidden_proto (__vfwprintf_chk)
 libc_hidden_proto (__vswprintf_chk)
+#endif
 
 /* Internal functions.  */
 extern size_t __mbsrtowcs_l (wchar_t *dst, const char **src, size_t len,

io/fcntl.h

@@ -212,7 +212,8 @@ extern int posix_fallocate64 (int __fd, __off64_t __offset, __off64_t __len);
 
 
 /* Define some macros helping to catch common problems.  */
-#if __USE_FORTIFY_LEVEL > 0 && !defined __cplusplus
+#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline \
+    && !defined __cplusplus
 # include <bits/fcntl2.h>
 #endif
 

io/sys/stat.h

@@ -444,7 +444,7 @@ extern int __xmknodat (int __ver, int __fd, __const char *__path,
 		       __mode_t __mode, __dev_t *__dev)
      __THROW __nonnull ((3, 5));
 
-#if defined __GNUC__ && __GNUC__ >= 2
+#if defined __GNUC__ && __GNUC__ >= 2 && defined __USE_EXTERN_INLINES
 /* Inlined versions of the real stat and mknod functions.  */
 
 __extern_inline int

libio/bits/stdio-ldbl.h

@@ -1,5 +1,5 @@
 /* -mlong-double-64 compatibility mode for stdio functions.
-   Copyright (C) 2006 Free Software Foundation, Inc.
+   Copyright (C) 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
@@ -58,7 +58,7 @@ __LDBL_REDIR_DECL (obstack_printf)
 __LDBL_REDIR_DECL (obstack_vprintf)
 #endif
 
-#if __USE_FORTIFY_LEVEL > 0 && !defined __cplusplus
+#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline
 __LDBL_REDIR_DECL (__sprintf_chk)
 __LDBL_REDIR_DECL (__vsprintf_chk)
 # if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98