# stdio_h.m4 serial 17 dnl Copyright (C) 2007-2009 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_REQUIRE([gl_STDIO_H_DEFAULTS]) gl_CHECK_NEXT_HEADERS([stdio.h]) dnl No need to create extra modules for these functions. Everyone who uses dnl 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 just an optimization, to avoid performing a configure dnl check whose result is not used. It does not make the test of dnl GNULIB_STDIO_H_SIGPIPE or GNULIB_SIGPIPE redundant. m4_ifdef([gl_SIGNAL_SIGPIPE], [ gl_SIGNAL_SIGPIPE if test $gl_cv_header_signal_h_SIGPIPE != yes; then REPLACE_STDIO_WRITE_FUNCS=1 AC_LIBOBJ([stdio-write]) fi ]) ]) 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 ]) AC_DEFUN([gl_STDIO_H_DEFAULTS], [ GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF]) GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX]) GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF]) GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX]) GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF]) GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX]) 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]) GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF]) GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF]) GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF]) GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF]) GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX]) GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN]) GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN]) 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_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH]) GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE]) GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE]) GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC]) GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC]) GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR]) GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS]) GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS]) GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE]) GNULIB_POPEN=0; AC_SUBST([GNULIB_POPEN]) GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM]) GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE]) GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR]) GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE]) dnl Assume proper GNU behavior unless another module says otherwise. REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS]) REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF]) REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF]) REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF]) REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF]) REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF]) HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF]) REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF]) HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF]) REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF]) REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF]) HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF]) REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF]) HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF]) REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF]) HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF]) REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF]) HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF]) REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF]) REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN]) REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN]) HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO]) REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO]) REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK]) HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO]) REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO]) REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL]) REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH]) REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE]) HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE]) REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE]) REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN]) HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM]) HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE]) REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE]) REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR]) ]) 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])]) ])