diff options
Diffstat (limited to 'm4/stdio_h.m4')
-rw-r--r-- | m4/stdio_h.m4 | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4 index 9ffbb852e..4c3f24acc 100644 --- a/m4/stdio_h.m4 +++ b/m4/stdio_h.m4 @@ -1,5 +1,5 @@ -# stdio_h.m4 serial 48 -dnl Copyright (C) 2007-2017 Free Software Foundation, Inc. +# stdio_h.m4 serial 52 +dnl Copyright (C) 2007-2021 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. @@ -28,7 +28,7 @@ AC_DEFUN([gl_STDIO_H], /* For non-mingw systems, compilation will trivially succeed. For mingw, compilation will succeed for older mingw (system printf, "I64d") and fail for newer mingw (gnu printf, "lld"). */ - #if ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) && \ + #if (defined _WIN32 && ! defined __CYGWIN__) && \ (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) extern char PRIdMAX_probe[sizeof PRIdMAX == sizeof "I64d" ? 1 : -1]; #endif @@ -107,6 +107,13 @@ AC_DEFUN([gl_STDIO_H], gl_WARN_ON_USE_PREPARE([[#include <stdio.h> ]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen renameat snprintf tmpfile vdprintf vsnprintf]) + + AC_REQUIRE([AC_C_RESTRICT]) + + AC_CHECK_DECLS_ONCE([fcloseall]) + if test $ac_cv_have_decl_fcloseall = no; then + HAVE_DECL_FCLOSEALL=0 + fi ]) AC_DEFUN([gl_STDIO_MODULE_INDICATOR], @@ -173,7 +180,15 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX]) GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF]) GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX]) + dnl Support Microsoft deprecated alias function names by default. + GNULIB_MDA_FCLOSEALL=1; AC_SUBST([GNULIB_MDA_FCLOSEALL]) + GNULIB_MDA_FDOPEN=1; AC_SUBST([GNULIB_MDA_FDOPEN]) + GNULIB_MDA_FILENO=1; AC_SUBST([GNULIB_MDA_FILENO]) + GNULIB_MDA_GETW=1; AC_SUBST([GNULIB_MDA_GETW]) + GNULIB_MDA_PUTW=1; AC_SUBST([GNULIB_MDA_PUTW]) + GNULIB_MDA_TEMPNAM=1; AC_SUBST([GNULIB_MDA_TEMPNAM]) dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_FCLOSEALL=1; AC_SUBST([HAVE_DECL_FCLOSEALL]) 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]) |