diff options
Diffstat (limited to 'm4/stdio_h.m4')
-rw-r--r-- | m4/stdio_h.m4 | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4 index 256efe1cb..781fa8d38 100644 --- a/m4/stdio_h.m4 +++ b/m4/stdio_h.m4 @@ -1,5 +1,5 @@ -# stdio_h.m4 serial 21 -dnl Copyright (C) 2007-2009 Free Software Foundation, Inc. +# stdio_h.m4 serial 25 +dnl Copyright (C) 2007-2010 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -7,6 +7,7 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_STDIO_H], [ AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([AC_C_INLINE]) gl_CHECK_NEXT_HEADERS([stdio.h]) dnl No need to create extra modules for these functions. Everyone who uses dnl <stdio.h> likely needs them. @@ -30,6 +31,13 @@ AC_DEFUN([gl_STDIO_H], AC_LIBOBJ([stdio-write]) fi ]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use, and which is not + dnl guaranteed by C89. + gl_WARN_ON_USE_PREPARE([[#include <stdio.h> + ]], [dprintf fpurge fseeko ftello getdelim getline popen renameat + snprintf vdprintf vsnprintf]) ]) AC_DEFUN([gl_STDIO_MODULE_INDICATOR], @@ -89,8 +97,6 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF]) HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF]) HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF]) - HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO]) - HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO]) HAVE_RENAMEAT=1; AC_SUBST([HAVE_RENAMEAT]) HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF]) HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF]) @@ -105,6 +111,7 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO]) REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL]) REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO]) + REPLACE_GETDELIM=0; AC_SUBST([REPLACE_GETDELIM]) REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE]) REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF]) REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR]) |