2 dnl Copyright (C) 2007-2011 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 AC_REQUIRE([AC_C_INLINE])
11 gl_NEXT_HEADERS([stdio.h])
12 dnl No need to create extra modules for these functions. Everyone who uses
13 dnl <stdio.h> likely needs them.
24 dnl This ifdef is just an optimization, to avoid performing a configure
25 dnl check whose result is not used. It does not make the test of
26 dnl GNULIB_STDIO_H_SIGPIPE or GNULIB_SIGPIPE redundant.
27 m4_ifdef([gl_SIGNAL_SIGPIPE], [
29 if test $gl_cv_header_signal_h_SIGPIPE != yes; then
30 REPLACE_STDIO_WRITE_FUNCS=1
33 m4_ifdef([gl_NONBLOCKING_IO], [
35 if test $gl_cv_have_nonblocking != yes; then
36 REPLACE_STDIO_WRITE_FUNCS=1
39 if test $REPLACE_STDIO_WRITE_FUNCS = 1; then
40 AC_LIBOBJ([stdio-write])
43 dnl Check for declarations of anything we want to poison if the
44 dnl corresponding gnulib module is not in use, and which is not
45 dnl guaranteed by C89.
46 gl_WARN_ON_USE_PREPARE([[#include <stdio.h>
47 ]], [dprintf fpurge fseeko ftello getdelim getline popen renameat
48 snprintf tmpfile vdprintf vsnprintf])
51 AC_DEFUN([gl_STDIO_MODULE_INDICATOR],
53 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
54 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
55 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
56 dnl Define it also as a C macro, for the benefit of the unit tests.
57 gl_MODULE_INDICATOR_FOR_TESTS([$1])
60 AC_DEFUN([gl_STDIO_H_DEFAULTS],
62 GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF])
63 GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE])
64 GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH])
65 GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN])
66 GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF])
67 GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX])
68 GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE])
69 GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC])
70 GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS])
71 GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN])
72 GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK])
73 GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO])
74 GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL])
75 GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO])
76 GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE])
77 GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM])
78 GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE])
79 GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF])
80 GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
81 GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR])
82 GNULIB_POPEN=0; AC_SUBST([GNULIB_POPEN])
83 GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF])
84 GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX])
85 GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC])
86 GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR])
87 GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS])
88 GNULIB_REMOVE=0; AC_SUBST([GNULIB_REMOVE])
89 GNULIB_RENAME=0; AC_SUBST([GNULIB_RENAME])
90 GNULIB_RENAMEAT=0; AC_SUBST([GNULIB_RENAMEAT])
91 GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF])
92 GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX])
93 GNULIB_STDIO_H_NONBLOCKING=0; AC_SUBST([GNULIB_STDIO_H_NONBLOCKING])
94 GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE])
95 GNULIB_TMPFILE=0; AC_SUBST([GNULIB_TMPFILE])
96 GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF])
97 GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF])
98 GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF])
99 GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])
100 GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF])
101 GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX])
102 GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF])
103 GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])
104 dnl Assume proper GNU behavior unless another module says otherwise.
105 HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE])
106 HAVE_DECL_FSEEKO=1; AC_SUBST([HAVE_DECL_FSEEKO])
107 HAVE_DECL_FTELLO=1; AC_SUBST([HAVE_DECL_FTELLO])
108 HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM])
109 HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE])
110 HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])
111 HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF])
112 HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF])
113 HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF])
114 HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO])
115 HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO])
116 HAVE_RENAMEAT=1; AC_SUBST([HAVE_RENAMEAT])
117 HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF])
118 HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF])
119 REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF])
120 REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE])
121 REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH])
122 REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN])
123 REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF])
124 REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE])
125 REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN])
126 REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK])
127 REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO])
128 REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL])
129 REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO])
130 REPLACE_GETDELIM=0; AC_SUBST([REPLACE_GETDELIM])
131 REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE])
132 REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF])
133 REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR])
134 REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN])
135 REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF])
136 REPLACE_REMOVE=0; AC_SUBST([REPLACE_REMOVE])
137 REPLACE_RENAME=0; AC_SUBST([REPLACE_RENAME])
138 REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT])
139 REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF])
140 REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF])
141 REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])
142 REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE])
143 REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF])
144 REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF])
145 REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF])
146 REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF])
147 REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF])
148 REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF])