1# stdio_h.m4 serial 43 2dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_DEFUN([gl_STDIO_H], 8[ 9 AC_REQUIRE([gl_STDIO_H_DEFAULTS]) 10 gl_NEXT_HEADERS([stdio.h]) 11 12 dnl No need to create extra modules for these functions. Everyone who uses 13 dnl <stdio.h> likely needs them. 14 GNULIB_FSCANF=1 15 gl_MODULE_INDICATOR([fscanf]) 16 GNULIB_SCANF=1 17 gl_MODULE_INDICATOR([scanf]) 18 GNULIB_FGETC=1 19 GNULIB_GETC=1 20 GNULIB_GETCHAR=1 21 GNULIB_FGETS=1 22 GNULIB_FREAD=1 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], [ 29 gl_NONBLOCKING_IO 30 if test $gl_cv_have_nonblocking != yes; then 31 REPLACE_STDIO_READ_FUNCS=1 32 AC_LIBOBJ([stdio-read]) 33 fi 34 ]) 35 36 dnl No need to create extra modules for these functions. Everyone who uses 37 dnl <stdio.h> likely needs them. 38 GNULIB_FPRINTF=1 39 GNULIB_PRINTF=1 40 GNULIB_VFPRINTF=1 41 GNULIB_VPRINTF=1 42 GNULIB_FPUTC=1 43 GNULIB_PUTC=1 44 GNULIB_PUTCHAR=1 45 GNULIB_FPUTS=1 46 GNULIB_PUTS=1 47 GNULIB_FWRITE=1 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], [ 54 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]) 58 fi 59 ]) 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], [ 66 gl_NONBLOCKING_IO 67 if test $gl_cv_have_nonblocking != yes; then 68 REPLACE_STDIO_WRITE_FUNCS=1 69 AC_LIBOBJ([stdio-write]) 70 fi 71 ]) 72 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 both C89 and C11. 76 gl_WARN_ON_USE_PREPARE([[#include <stdio.h> 77 ]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen 78 renameat snprintf tmpfile vdprintf vsnprintf]) 79]) 80 81AC_DEFUN([gl_STDIO_MODULE_INDICATOR], 82[ 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]) 88]) 89 90AC_DEFUN([gl_STDIO_H_DEFAULTS], 91[ 92 GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF]) 93 GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE]) 94 GNULIB_FDOPEN=0; AC_SUBST([GNULIB_FDOPEN]) 95 GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH]) 96 GNULIB_FGETC=0; AC_SUBST([GNULIB_FGETC]) 97 GNULIB_FGETS=0; AC_SUBST([GNULIB_FGETS]) 98 GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN]) 99 GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF]) 100 GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX]) 101 GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE]) 102 GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC]) 103 GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS]) 104 GNULIB_FREAD=0; AC_SUBST([GNULIB_FREAD]) 105 GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN]) 106 GNULIB_FSCANF=0; AC_SUBST([GNULIB_FSCANF]) 107 GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK]) 108 GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO]) 109 GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL]) 110 GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO]) 111 GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE]) 112 GNULIB_GETC=0; AC_SUBST([GNULIB_GETC]) 113 GNULIB_GETCHAR=0; AC_SUBST([GNULIB_GETCHAR]) 114 GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM]) 115 GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE]) 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_FDOPEN=0; AC_SUBST([REPLACE_FDOPEN]) 165 REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH]) 166 REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN]) 167 REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF]) 168 REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE]) 169 REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN]) 170 REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK]) 171 REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO]) 172 REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL]) 173 REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO]) 174 REPLACE_GETDELIM=0; AC_SUBST([REPLACE_GETDELIM]) 175 REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE]) 176 REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF]) 177 REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR]) 178 REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN]) 179 REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF]) 180 REPLACE_REMOVE=0; AC_SUBST([REPLACE_REMOVE]) 181 REPLACE_RENAME=0; AC_SUBST([REPLACE_RENAME]) 182 REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT]) 183 REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF]) 184 REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF]) 185 REPLACE_STDIO_READ_FUNCS=0; AC_SUBST([REPLACE_STDIO_READ_FUNCS]) 186 REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS]) 187 REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE]) 188 REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF]) 189 REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF]) 190 REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF]) 191 REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF]) 192 REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF]) 193 REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF]) 194]) 195