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225 lines
11 KiB
225 lines
11 KiB
# stdio_h.m4 serial 48 |
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dnl Copyright (C) 2007-2017 Free Software Foundation, Inc. |
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dnl This file is free software; the Free Software Foundation |
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dnl gives unlimited permission to copy and/or distribute it, |
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dnl with or without modifications, as long as this notice is preserved. |
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AC_DEFUN([gl_STDIO_H], |
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[ |
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AH_VERBATIM([MINGW_ANSI_STDIO], |
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[/* Use GNU style printf and scanf. */ |
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#ifndef __USE_MINGW_ANSI_STDIO |
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# undef __USE_MINGW_ANSI_STDIO |
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#endif |
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]) |
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AC_DEFINE([__USE_MINGW_ANSI_STDIO]) |
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AC_REQUIRE([gl_STDIO_H_DEFAULTS]) |
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gl_NEXT_HEADERS([stdio.h]) |
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dnl Determine whether __USE_MINGW_ANSI_STDIO makes printf and |
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dnl inttypes.h behave like gnu instead of system; we must give our |
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dnl printf wrapper the right attribute to match. |
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AC_CACHE_CHECK([which flavor of printf attribute matches inttypes macros], |
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[gl_cv_func_printf_attribute_flavor], |
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
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#define __STDC_FORMAT_MACROS 1 |
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#include <stdio.h> |
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#include <inttypes.h> |
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/* For non-mingw systems, compilation will trivially succeed. |
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For mingw, compilation will succeed for older mingw (system |
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printf, "I64d") and fail for newer mingw (gnu printf, "lld"). */ |
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#if ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) && \ |
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(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) |
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extern char PRIdMAX_probe[sizeof PRIdMAX == sizeof "I64d" ? 1 : -1]; |
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#endif |
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]])], [gl_cv_func_printf_attribute_flavor=system], |
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[gl_cv_func_printf_attribute_flavor=gnu])]) |
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if test "$gl_cv_func_printf_attribute_flavor" = gnu; then |
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AC_DEFINE([GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU], [1], |
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[Define to 1 if printf and friends should be labeled with |
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attribute "__gnu_printf__" instead of "__printf__"]) |
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fi |
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dnl No need to create extra modules for these functions. Everyone who uses |
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dnl <stdio.h> likely needs them. |
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GNULIB_FSCANF=1 |
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gl_MODULE_INDICATOR([fscanf]) |
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GNULIB_SCANF=1 |
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gl_MODULE_INDICATOR([scanf]) |
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GNULIB_FGETC=1 |
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GNULIB_GETC=1 |
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GNULIB_GETCHAR=1 |
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GNULIB_FGETS=1 |
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GNULIB_FREAD=1 |
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dnl This ifdef is necessary to avoid an error "missing file lib/stdio-read.c" |
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dnl "expected source file, required through AC_LIBSOURCES, not found". It is |
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dnl also an optimization, to avoid performing a configure check whose result |
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dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING |
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dnl or GNULIB_NONBLOCKING redundant. |
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m4_ifdef([gl_NONBLOCKING_IO], [ |
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gl_NONBLOCKING_IO |
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if test $gl_cv_have_nonblocking != yes; then |
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REPLACE_STDIO_READ_FUNCS=1 |
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AC_LIBOBJ([stdio-read]) |
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fi |
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]) |
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dnl No need to create extra modules for these functions. Everyone who uses |
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dnl <stdio.h> likely needs them. |
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GNULIB_FPRINTF=1 |
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GNULIB_PRINTF=1 |
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GNULIB_VFPRINTF=1 |
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GNULIB_VPRINTF=1 |
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GNULIB_FPUTC=1 |
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GNULIB_PUTC=1 |
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GNULIB_PUTCHAR=1 |
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GNULIB_FPUTS=1 |
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GNULIB_PUTS=1 |
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GNULIB_FWRITE=1 |
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dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c" |
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dnl "expected source file, required through AC_LIBSOURCES, not found". It is |
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dnl also an optimization, to avoid performing a configure check whose result |
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dnl is not used. But it does not make the test of GNULIB_STDIO_H_SIGPIPE or |
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dnl GNULIB_SIGPIPE redundant. |
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m4_ifdef([gl_SIGNAL_SIGPIPE], [ |
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gl_SIGNAL_SIGPIPE |
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if test $gl_cv_header_signal_h_SIGPIPE != yes; then |
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REPLACE_STDIO_WRITE_FUNCS=1 |
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AC_LIBOBJ([stdio-write]) |
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fi |
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]) |
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dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c" |
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dnl "expected source file, required through AC_LIBSOURCES, not found". It is |
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dnl also an optimization, to avoid performing a configure check whose result |
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dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING |
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dnl or GNULIB_NONBLOCKING redundant. |
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m4_ifdef([gl_NONBLOCKING_IO], [ |
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gl_NONBLOCKING_IO |
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if test $gl_cv_have_nonblocking != yes; then |
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REPLACE_STDIO_WRITE_FUNCS=1 |
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AC_LIBOBJ([stdio-write]) |
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fi |
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]) |
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dnl Check for declarations of anything we want to poison if the |
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dnl corresponding gnulib module is not in use, and which is not |
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dnl guaranteed by both C89 and C11. |
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gl_WARN_ON_USE_PREPARE([[#include <stdio.h> |
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]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen |
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renameat snprintf tmpfile vdprintf vsnprintf]) |
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]) |
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AC_DEFUN([gl_STDIO_MODULE_INDICATOR], |
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[ |
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only. |
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AC_REQUIRE([gl_STDIO_H_DEFAULTS]) |
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gl_MODULE_INDICATOR_SET_VARIABLE([$1]) |
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dnl Define it also as a C macro, for the benefit of the unit tests. |
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gl_MODULE_INDICATOR_FOR_TESTS([$1]) |
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]) |
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AC_DEFUN([gl_STDIO_H_DEFAULTS], |
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[ |
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GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF]) |
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GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE]) |
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GNULIB_FDOPEN=0; AC_SUBST([GNULIB_FDOPEN]) |
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GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH]) |
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GNULIB_FGETC=0; AC_SUBST([GNULIB_FGETC]) |
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GNULIB_FGETS=0; AC_SUBST([GNULIB_FGETS]) |
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GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN]) |
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GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF]) |
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GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX]) |
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GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE]) |
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GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC]) |
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GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS]) |
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GNULIB_FREAD=0; AC_SUBST([GNULIB_FREAD]) |
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GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN]) |
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GNULIB_FSCANF=0; AC_SUBST([GNULIB_FSCANF]) |
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GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK]) |
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GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO]) |
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GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL]) |
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GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO]) |
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GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE]) |
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GNULIB_GETC=0; AC_SUBST([GNULIB_GETC]) |
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GNULIB_GETCHAR=0; AC_SUBST([GNULIB_GETCHAR]) |
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GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM]) |
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GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE]) |
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GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF]) |
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GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX]) |
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GNULIB_PCLOSE=0; AC_SUBST([GNULIB_PCLOSE]) |
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GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR]) |
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GNULIB_POPEN=0; AC_SUBST([GNULIB_POPEN]) |
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GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF]) |
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GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX]) |
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GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC]) |
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GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR]) |
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GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS]) |
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GNULIB_REMOVE=0; AC_SUBST([GNULIB_REMOVE]) |
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GNULIB_RENAME=0; AC_SUBST([GNULIB_RENAME]) |
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GNULIB_RENAMEAT=0; AC_SUBST([GNULIB_RENAMEAT]) |
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GNULIB_SCANF=0; AC_SUBST([GNULIB_SCANF]) |
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GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF]) |
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GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX]) |
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GNULIB_STDIO_H_NONBLOCKING=0; AC_SUBST([GNULIB_STDIO_H_NONBLOCKING]) |
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GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE]) |
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GNULIB_TMPFILE=0; AC_SUBST([GNULIB_TMPFILE]) |
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GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF]) |
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GNULIB_VFSCANF=0; AC_SUBST([GNULIB_VFSCANF]) |
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GNULIB_VSCANF=0; AC_SUBST([GNULIB_VSCANF]) |
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GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF]) |
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GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF]) |
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GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX]) |
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GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF]) |
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GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX]) |
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GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF]) |
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GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX]) |
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dnl Assume proper GNU behavior unless another module says otherwise. |
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HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE]) |
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HAVE_DECL_FSEEKO=1; AC_SUBST([HAVE_DECL_FSEEKO]) |
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HAVE_DECL_FTELLO=1; AC_SUBST([HAVE_DECL_FTELLO]) |
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HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM]) |
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HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE]) |
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HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF]) |
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HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF]) |
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HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF]) |
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HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF]) |
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HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO]) |
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HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO]) |
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HAVE_PCLOSE=1; AC_SUBST([HAVE_PCLOSE]) |
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HAVE_POPEN=1; AC_SUBST([HAVE_POPEN]) |
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HAVE_RENAMEAT=1; AC_SUBST([HAVE_RENAMEAT]) |
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HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF]) |
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HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF]) |
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REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF]) |
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REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE]) |
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REPLACE_FDOPEN=0; AC_SUBST([REPLACE_FDOPEN]) |
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REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH]) |
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REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN]) |
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REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF]) |
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REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE]) |
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REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN]) |
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REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK]) |
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REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO]) |
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REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL]) |
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REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO]) |
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REPLACE_GETDELIM=0; AC_SUBST([REPLACE_GETDELIM]) |
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REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE]) |
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REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF]) |
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REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR]) |
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REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN]) |
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REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF]) |
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REPLACE_REMOVE=0; AC_SUBST([REPLACE_REMOVE]) |
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REPLACE_RENAME=0; AC_SUBST([REPLACE_RENAME]) |
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REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT]) |
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REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF]) |
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REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF]) |
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REPLACE_STDIO_READ_FUNCS=0; AC_SUBST([REPLACE_STDIO_READ_FUNCS]) |
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REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS]) |
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REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE]) |
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REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF]) |
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REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF]) |
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REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF]) |
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REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF]) |
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REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF]) |
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REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF]) |
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])
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