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