-# stdio_h.m4 serial 48
-dnl Copyright (C) 2007-2016 Free Software Foundation, Inc.
+# stdio_h.m4 serial 56
+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.
-AC_DEFUN([gl_STDIO_H],
+AC_DEFUN_ONCE([gl_STDIO_H],
[
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
AH_VERBATIM([MINGW_ANSI_STDIO],
[/* Use GNU style printf and scanf. */
#ifndef __USE_MINGW_ANSI_STDIO
#endif
])
AC_DEFINE([__USE_MINGW_ANSI_STDIO])
- AC_REQUIRE([gl_STDIO_H_DEFAULTS])
gl_NEXT_HEADERS([stdio.h])
dnl Determine whether __USE_MINGW_ANSI_STDIO makes printf and
/* 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
attribute "__gnu_printf__" instead of "__printf__"])
fi
- dnl No need to create extra modules for these functions. Everyone who uses
- dnl <stdio.h> likely needs them.
- GNULIB_FSCANF=1
- gl_MODULE_INDICATOR([fscanf])
- GNULIB_SCANF=1
- gl_MODULE_INDICATOR([scanf])
- GNULIB_FGETC=1
- GNULIB_GETC=1
- GNULIB_GETCHAR=1
- GNULIB_FGETS=1
- GNULIB_FREAD=1
dnl This ifdef is necessary to avoid an error "missing file lib/stdio-read.c"
dnl "expected source file, required through AC_LIBSOURCES, not found". It is
dnl also an optimization, to avoid performing a configure check whose result
fi
])
- dnl No need to create extra modules for these functions. Everyone who uses
- dnl <stdio.h> likely needs them.
- GNULIB_FPRINTF=1
- GNULIB_PRINTF=1
- GNULIB_VFPRINTF=1
- GNULIB_VPRINTF=1
- GNULIB_FPUTC=1
- GNULIB_PUTC=1
- GNULIB_PUTCHAR=1
- GNULIB_FPUTS=1
- GNULIB_PUTS=1
- GNULIB_FWRITE=1
dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c"
dnl "expected source file, required through AC_LIBSOURCES, not found". It is
dnl also an optimization, to avoid performing a configure check whose result
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
])
+# gl_STDIO_MODULE_INDICATOR([modulename])
+# sets the shell variable that indicates the presence of the given module
+# to a C preprocessor expression that will evaluate to 1.
+# This macro invocation must not occur in macros that are AC_REQUIREd.
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])
+ dnl Ensure to expand the default settings once only.
+ gl_STDIO_H_REQUIRE_DEFAULTS
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])
])
+# Initializes the default values for AC_SUBSTed shell variables.
+# This macro must not be AC_REQUIREd. It must only be invoked, and only
+# outside of macros or in macros that are not AC_REQUIREd.
+AC_DEFUN([gl_STDIO_H_REQUIRE_DEFAULTS],
+[
+ m4_defun(GL_MODULE_INDICATOR_PREFIX[_STDIO_H_MODULE_INDICATOR_DEFAULTS], [
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_DPRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FCLOSE])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FDOPEN])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FFLUSH])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FGETC])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FGETS])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FOPEN])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FPRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FPRINTF_POSIX])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FPURGE])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FPUTC])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FPUTS])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FREAD])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FREOPEN])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FSCANF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FSEEK])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FSEEKO])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FTELL])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FTELLO])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FWRITE])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETC])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETCHAR])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETDELIM])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETLINE])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_OBSTACK_PRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_OBSTACK_PRINTF_POSIX])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PCLOSE])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PERROR])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_POPEN])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PRINTF_POSIX])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PUTC])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PUTCHAR])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PUTS])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REMOVE])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RENAME])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RENAMEAT])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SCANF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SNPRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SPRINTF_POSIX])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STDIO_H_NONBLOCKING])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STDIO_H_SIGPIPE])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TMPFILE])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VASPRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VFSCANF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VSCANF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VDPRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VFPRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VFPRINTF_POSIX])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VPRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VPRINTF_POSIX])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VSNPRINTF])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_VSPRINTF_POSIX])
+ dnl Support Microsoft deprecated alias function names by default.
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_FCLOSEALL], [1])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_FDOPEN], [1])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_FILENO], [1])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_GETW], [1])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_PUTW], [1])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_TEMPNAM], [1])
+ ])
+ m4_require(GL_MODULE_INDICATOR_PREFIX[_STDIO_H_MODULE_INDICATOR_DEFAULTS])
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+])
+
AC_DEFUN([gl_STDIO_H_DEFAULTS],
[
- GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF])
- GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE])
- GNULIB_FDOPEN=0; AC_SUBST([GNULIB_FDOPEN])
- GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH])
- GNULIB_FGETC=0; AC_SUBST([GNULIB_FGETC])
- GNULIB_FGETS=0; AC_SUBST([GNULIB_FGETS])
- GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN])
- GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF])
- GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX])
- GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE])
- GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC])
- GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS])
- GNULIB_FREAD=0; AC_SUBST([GNULIB_FREAD])
- GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN])
- GNULIB_FSCANF=0; AC_SUBST([GNULIB_FSCANF])
- GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK])
- GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO])
- GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL])
- GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO])
- GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE])
- GNULIB_GETC=0; AC_SUBST([GNULIB_GETC])
- GNULIB_GETCHAR=0; AC_SUBST([GNULIB_GETCHAR])
- GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM])
- GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE])
- GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF])
- GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
- GNULIB_PCLOSE=0; AC_SUBST([GNULIB_PCLOSE])
- GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR])
- GNULIB_POPEN=0; AC_SUBST([GNULIB_POPEN])
- GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF])
- GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX])
- 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_SCANF=0; AC_SUBST([GNULIB_SCANF])
- GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF])
- GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX])
- GNULIB_STDIO_H_NONBLOCKING=0; AC_SUBST([GNULIB_STDIO_H_NONBLOCKING])
- 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_VFSCANF=0; AC_SUBST([GNULIB_VFSCANF])
- GNULIB_VSCANF=0; AC_SUBST([GNULIB_VSCANF])
- GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF])
- GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF])
- GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])
- GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF])
- 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 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])
projects / platform / upstream / m4.git / blobdiff