X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fstdio_h.m4;h=7f3ae56295f1d6ffcdedfa9b0cc91536273e5de8;hb=5e29a7a095a6c960115cf48f5b28278194a0b2ca;hp=8314f58b3c9bde0fa941ecb3fddb9a7e2905ee87;hpb=1132a93bd6177115d1047846c62dc96fb7facb56;p=gnulib.git diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4 index 8314f58b3..7f3ae5629 100644 --- a/m4/stdio_h.m4 +++ b/m4/stdio_h.m4 @@ -1,5 +1,5 @@ -# stdio_h.m4 serial 18 -dnl Copyright (C) 2007-2009 Free Software Foundation, Inc. +# stdio_h.m4 serial 33 +dnl Copyright (C) 2007-2011 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. @@ -7,7 +7,8 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_STDIO_H], [ AC_REQUIRE([gl_STDIO_H_DEFAULTS]) - gl_CHECK_NEXT_HEADERS([stdio.h]) + AC_REQUIRE([AC_C_INLINE]) + gl_NEXT_HEADERS([stdio.h]) dnl No need to create extra modules for these functions. Everyone who uses dnl likely needs them. GNULIB_FPRINTF=1 @@ -30,13 +31,22 @@ 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 + ]], [dprintf fpurge fseeko ftello getdelim getline popen renameat + snprintf tmpfile vdprintf vsnprintf]) ]) AC_DEFUN([gl_STDIO_MODULE_INDICATOR], [ dnl Use AC_REQUIRE here, so that the default settings are expanded once only. AC_REQUIRE([gl_STDIO_H_DEFAULTS]) - GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1 + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) ]) AC_DEFUN([gl_STDIO_H_DEFAULTS], @@ -67,9 +77,13 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC]) GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR]) GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS]) + GNULIB_REMOVE=0; AC_SUBST([GNULIB_REMOVE]) + GNULIB_RENAME=0; AC_SUBST([GNULIB_RENAME]) + GNULIB_RENAMEAT=0; AC_SUBST([GNULIB_RENAMEAT]) GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF]) GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX]) GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE]) + GNULIB_TMPFILE=0; AC_SUBST([GNULIB_TMPFILE]) GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF]) GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF]) GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF]) @@ -80,6 +94,8 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX]) dnl Assume proper GNU behavior unless another module says otherwise. HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE]) + HAVE_DECL_FSEEKO=1; AC_SUBST([HAVE_DECL_FSEEKO]) + HAVE_DECL_FTELLO=1; AC_SUBST([HAVE_DECL_FTELLO]) HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM]) HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE]) HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF]) @@ -88,6 +104,7 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], 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]) REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF]) @@ -101,14 +118,19 @@ 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]) REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN]) REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF]) + REPLACE_REMOVE=0; AC_SUBST([REPLACE_REMOVE]) + REPLACE_RENAME=0; AC_SUBST([REPLACE_RENAME]) + REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT]) REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF]) REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF]) REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS]) + REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE]) REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF]) REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF]) REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF]) @@ -116,23 +138,3 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF]) REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF]) ]) - -dnl Code shared by fseeko and ftello. Determine if large files are supported, -dnl but stdin does not start as a large file by default. -AC_DEFUN([gl_STDIN_LARGE_OFFSET], - [ - AC_CACHE_CHECK([whether stdin defaults to large file offsets], - [gl_cv_var_stdin_large_offset], - [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], -[[#if defined __SL64 && defined __SCLE /* cygwin */ - /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making - fseeko/ftello needlessly fail. This bug was fixed in 1.5.25, and - it is easier to do a version check than building a runtime test. */ -# include -# if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25) - choke me -# endif -#endif]])], - [gl_cv_var_stdin_large_offset=yes], - [gl_cv_var_stdin_large_offset=no])]) -])