1 # stdio_h.m4 serial 16 2 dnl Copyright (C) 2007-2009 Free Software Foundation, Inc. 3 dnl This file is free software; the Free Software Foundation 4 dnl gives unlimited permission to copy and/or distribute it, 5 dnl with or without modifications, as long as this notice is preserved. 6 7 AC_DEFUN([gl_STDIO_H], 8 [ 9 AC_REQUIRE([gl_STDIO_H_DEFAULTS]) 10 gl_CHECK_NEXT_HEADERS([stdio.h]) 11 dnl No need to create extra modules for these functions. Everyone who uses 12 dnl <stdio.h> likely needs them. 13 GNULIB_FPRINTF=1 14 GNULIB_PRINTF=1 15 GNULIB_VFPRINTF=1 16 GNULIB_VPRINTF=1 17 GNULIB_FPUTC=1 18 GNULIB_PUTC=1 19 GNULIB_PUTCHAR=1 20 GNULIB_FPUTS=1 21 GNULIB_PUTS=1 22 GNULIB_FWRITE=1 23 dnl This ifdef is just an optimization, to avoid performing a configure 24 dnl check whose result is not used. It does not make the test of 25 dnl GNULIB_STDIO_H_SIGPIPE or GNULIB_SIGPIPE redundant. 26 m4_ifdef([gl_SIGNAL_SIGPIPE], [ 27 gl_SIGNAL_SIGPIPE 28 if test $gl_cv_header_signal_h_SIGPIPE != yes; then 29 REPLACE_STDIO_WRITE_FUNCS=1 30 AC_LIBOBJ([stdio-write]) 31 fi 32 ]) 33 ]) 34 35 AC_DEFUN([gl_STDIO_MODULE_INDICATOR], 36 [ 37 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. 38 AC_REQUIRE([gl_STDIO_H_DEFAULTS]) 39 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1 40 ]) 41 42 AC_DEFUN([gl_STDIO_H_DEFAULTS], 43 [ 44 GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF]) 45 GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX]) 46 GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF]) 47 GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX]) 48 GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF]) 49 GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX]) 50 GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF]) 51 GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX]) 52 GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF]) 53 GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX]) 54 GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF]) 55 GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX]) 56 GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF]) 57 GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF]) 58 GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF]) 59 GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF]) 60 GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX]) 61 GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN]) 62 GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN]) 63 GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK]) 64 GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO]) 65 GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL]) 66 GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO]) 67 GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH]) 68 GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE]) 69 GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE]) 70 GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC]) 71 GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC]) 72 GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR]) 73 GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS]) 74 GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS]) 75 GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE]) 76 GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM]) 77 GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE]) 78 GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR]) 79 GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE]) 80 dnl Assume proper GNU behavior unless another module says otherwise. 81 REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS]) 82 REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF]) 83 REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF]) 84 REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF]) 85 REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF]) 86 REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF]) 87 HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF]) 88 REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF]) 89 HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF]) 90 REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF]) 91 REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF]) 92 HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF]) 93 REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF]) 94 HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF]) 95 REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF]) 96 HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF]) 97 REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF]) 98 HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF]) 99 REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF]) 100 REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN]) 101 REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN]) 102 HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO]) 103 REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO]) 104 REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK]) 105 HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO]) 106 REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO]) 107 REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL]) 108 REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH]) 109 REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE]) 110 HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE]) 111 REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE]) 112 HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM]) 113 HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE]) 114 REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE]) 115 REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR]) 116 ]) 117 118 dnl Code shared by fseeko and ftello. Determine if large files are supported, 119 dnl but stdin does not start as a large file by default. 120 AC_DEFUN([gl_STDIN_LARGE_OFFSET], 121 [ 122 AC_CACHE_CHECK([whether stdin defaults to large file offsets], 123 [gl_cv_var_stdin_large_offset], 124 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], 125 [[#if defined __SL64 && defined __SCLE /* cygwin */ 126 /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making 127 fseeko/ftello needlessly fail. This bug was fixed in 1.5.25, and 128 it is easier to do a version check than building a runtime test. */ 129 # include <cygwin/version.h> 130 # if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25) 131 choke me 132 # endif 133 #endif]])], 134 [gl_cv_var_stdin_large_offset=yes], 135 [gl_cv_var_stdin_large_offset=no])]) 136 ]) 137
