2 dnl Copyright (C) 2007-2012 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])
13 dnl No need to create extra modules for these functions. Everyone who uses
14 dnl <stdio.h> likely needs them.
16 gl_MODULE_INDICATOR([fscanf])
18 gl_MODULE_INDICATOR([scanf])
24 dnl This ifdef is necessary to avoid an error "missing file lib/stdio-read.c"
25 dnl "expected source file, required through AC_LIBSOURCES, not found". It is
26 dnl also an optimization, to avoid performing a configure check whose result
27 dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING
28 dnl or GNULIB_NONBLOCKING redundant.
29 m4_ifdef([gl_NONBLOCKING_IO], [
31 if test $gl_cv_have_nonblocking != yes; then
32 REPLACE_STDIO_READ_FUNCS=1
33 AC_LIBOBJ([stdio-read])
37 dnl No need to create extra modules for these functions. Everyone who uses
38 dnl <stdio.h> likely needs them.
49 dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c"
50 dnl "expected source file, required through AC_LIBSOURCES, not found". It is
51 dnl also an optimization, to avoid performing a configure check whose result
52 dnl is not used. But it does not make the test of GNULIB_STDIO_H_SIGPIPE or
53 dnl GNULIB_SIGPIPE redundant.
54 m4_ifdef([gl_SIGNAL_SIGPIPE], [
56 if test $gl_cv_header_signal_h_SIGPIPE != yes; then
57 REPLACE_STDIO_WRITE_FUNCS=1
58 AC_LIBOBJ([stdio-write])
61 dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c"
62 dnl "expected source file, required through AC_LIBSOURCES, not found". It is
63 dnl also an optimization, to avoid performing a configure check whose result
64 dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING
65 dnl or GNULIB_NONBLOCKING redundant.
66 m4_ifdef([gl_NONBLOCKING_IO], [
68 if test $gl_cv_have_nonblocking != yes; then
69 REPLACE_STDIO_WRITE_FUNCS=1
70 AC_LIBOBJ([stdio-write])
74 dnl Check for declarations of anything we want to poison if the
75 dnl corresponding gnulib module is not in use, and which is not
76 dnl guaranteed by both C89 and C11.
77 gl_WARN_ON_USE_PREPARE([[#include <stdio.h>
78 ]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen
79 renameat snprintf tmpfile vdprintf vsnprintf])
82 AC_DEFUN([gl_STDIO_MODULE_INDICATOR],
84 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
85 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
86 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
87 dnl Define it also as a C macro, for the benefit of the unit tests.
88 gl_MODULE_INDICATOR_FOR_TESTS([$1])
91 AC_DEFUN([gl_STDIO_H_DEFAULTS],
93 GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF])
94 GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE])
95 GNULIB_FDOPEN=0; AC_SUBST([GNULIB_FDOPEN])
96 GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH])
97 GNULIB_FGETC=0; AC_SUBST([GNULIB_FGETC])
98 GNULIB_FGETS=0; AC_SUBST([GNULIB_FGETS])
99 GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN])
100 GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF])
101 GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX])
102 GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE])
103 GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC])
104 GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS])
105 GNULIB_FREAD=0; AC_SUBST([GNULIB_FREAD])
106 GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN])
107 GNULIB_FSCANF=0; AC_SUBST([GNULIB_FSCANF])
108 GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK])
109 GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO])
110 GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL])
111 GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO])
112 GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE])
113 GNULIB_GETC=0; AC_SUBST([GNULIB_GETC])
114 GNULIB_GETCHAR=0; AC_SUBST([GNULIB_GETCHAR])
115 GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM])
116 GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE])
117 GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF])
118 GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
119 GNULIB_PCLOSE=0; AC_SUBST([GNULIB_PCLOSE])
120 GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR])
121 GNULIB_POPEN=0; AC_SUBST([GNULIB_POPEN])
122 GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF])
123 GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX])
124 GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC])
125 GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR])
126 GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS])
127 GNULIB_REMOVE=0; AC_SUBST([GNULIB_REMOVE])
128 GNULIB_RENAME=0; AC_SUBST([GNULIB_RENAME])
129 GNULIB_RENAMEAT=0; AC_SUBST([GNULIB_RENAMEAT])
130 GNULIB_SCANF=0; AC_SUBST([GNULIB_SCANF])
131 GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF])
132 GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX])
133 GNULIB_STDIO_H_NONBLOCKING=0; AC_SUBST([GNULIB_STDIO_H_NONBLOCKING])
134 GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE])
135 GNULIB_TMPFILE=0; AC_SUBST([GNULIB_TMPFILE])
136 GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF])
137 GNULIB_VFSCANF=0; AC_SUBST([GNULIB_VFSCANF])
138 GNULIB_VSCANF=0; AC_SUBST([GNULIB_VSCANF])
139 GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF])
140 GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF])
141 GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])
142 GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF])
143 GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX])
144 GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF])
145 GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])
146 dnl Assume proper GNU behavior unless another module says otherwise.
147 HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE])
148 HAVE_DECL_FSEEKO=1; AC_SUBST([HAVE_DECL_FSEEKO])
149 HAVE_DECL_FTELLO=1; AC_SUBST([HAVE_DECL_FTELLO])
150 HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM])
151 HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE])
152 HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])
153 HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF])
154 HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF])
155 HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF])
156 HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO])
157 HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO])
158 HAVE_PCLOSE=1; AC_SUBST([HAVE_PCLOSE])
159 HAVE_POPEN=1; AC_SUBST([HAVE_POPEN])
160 HAVE_RENAMEAT=1; AC_SUBST([HAVE_RENAMEAT])
161 HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF])
162 HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF])
163 REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF])
164 REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE])
165 REPLACE_FDOPEN=0; AC_SUBST([REPLACE_FDOPEN])
166 REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH])
167 REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN])
168 REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF])
169 REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE])
170 REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN])
171 REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK])
172 REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO])
173 REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL])
174 REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO])
175 REPLACE_GETDELIM=0; AC_SUBST([REPLACE_GETDELIM])
176 REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE])
177 REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF])
178 REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR])
179 REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN])
180 REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF])
181 REPLACE_REMOVE=0; AC_SUBST([REPLACE_REMOVE])
182 REPLACE_RENAME=0; AC_SUBST([REPLACE_RENAME])
183 REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT])
184 REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF])
185 REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF])
186 REPLACE_STDIO_READ_FUNCS=0; AC_SUBST([REPLACE_STDIO_READ_FUNCS])
187 REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])
188 REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE])
189 REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF])
190 REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF])
191 REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF])
192 REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF])
193 REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF])
194 REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF])