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.
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.
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], [
28 if test $gl_cv_header_signal_h_SIGPIPE != yes; then
29 REPLACE_STDIO_WRITE_FUNCS=1
30 AC_LIBOBJ([stdio-write])
35 AC_DEFUN([gl_STDIO_MODULE_INDICATOR],
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
42 AC_DEFUN([gl_STDIO_H_DEFAULTS],
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_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF])
57 GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF])
58 GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF])
59 GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
60 GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN])
61 GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN])
62 GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK])
63 GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO])
64 GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL])
65 GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO])
66 GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH])
67 GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE])
68 GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC])
69 GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC])
70 GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR])
71 GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS])
72 GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS])
73 GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE])
74 GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM])
75 GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE])
76 GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR])
77 GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE])
78 dnl Assume proper GNU behavior unless another module says otherwise.
79 REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])
80 REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF])
81 REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF])
82 REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF])
83 REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF])
84 REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF])
85 HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF])
86 REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF])
87 HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF])
88 REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF])
89 REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF])
90 HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF])
91 REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF])
92 HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF])
93 REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF])
94 HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])
95 REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF])
96 REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN])
97 REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN])
98 HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO])
99 REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO])
100 REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK])
101 HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO])
102 REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO])
103 REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL])
104 REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH])
105 REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE])
106 HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM])
107 HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE])
108 REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE])
109 REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR])
112 dnl Code shared by fseeko and ftello. Determine if large files are supported,
113 dnl but stdin does not start as a large file by default.
114 AC_DEFUN([gl_STDIN_LARGE_OFFSET],
116 AC_CACHE_CHECK([whether stdin defaults to large file offsets],
117 [gl_cv_var_stdin_large_offset],
118 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]],
119 [[#if defined __SL64 && defined __SCLE /* cygwin */
120 /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making
121 fseeko/ftello needlessly fail. This bug was fixed in 1.5.25, and
122 it is easier to do a version check than building a runtime test. */
123 # include <cygwin/version.h>
124 # if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25)
128 [gl_cv_var_stdin_large_offset=yes],
129 [gl_cv_var_stdin_large_offset=no])])