m4/stdio_h.m4

   1 # stdio_h.m4 serial 37
   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.
   6
   7 AC_DEFUN([gl_STDIO_H],
   8 [
   9   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  10   AC_REQUIRE([AC_C_INLINE])
  11   gl_NEXT_HEADERS([stdio.h])
  12
  13   dnl No need to create extra modules for these functions. Everyone who uses
  14   dnl <stdio.h> likely needs them.
  15   GNULIB_FSCANF=1
  16   GNULIB_SCANF=1
  17   GNULIB_FGETC=1
  18   GNULIB_GETC=1
  19   GNULIB_GETCHAR=1
  20   GNULIB_FGETS=1
  21   GNULIB_GETS=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 C89.
  76   gl_WARN_ON_USE_PREPARE([[#include <stdio.h>
  77     ]], [dprintf fpurge fseeko ftello getdelim getline popen renameat
  78     snprintf tmpfile vdprintf vsnprintf])
  79 ])
  80
  81 AC_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
  90 AC_DEFUN([gl_STDIO_H_DEFAULTS],
  91 [
  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_PERROR=0;               AC_SUBST([GNULIB_PERROR])
 119   GNULIB_POPEN=0;                AC_SUBST([GNULIB_POPEN])
 120   GNULIB_PRINTF=0;               AC_SUBST([GNULIB_PRINTF])
 121   GNULIB_PRINTF_POSIX=0;         AC_SUBST([GNULIB_PRINTF_POSIX])
 122   GNULIB_PUTC=0;                 AC_SUBST([GNULIB_PUTC])
 123   GNULIB_PUTCHAR=0;              AC_SUBST([GNULIB_PUTCHAR])
 124   GNULIB_PUTS=0;                 AC_SUBST([GNULIB_PUTS])
 125   GNULIB_REMOVE=0;               AC_SUBST([GNULIB_REMOVE])
 126   GNULIB_RENAME=0;               AC_SUBST([GNULIB_RENAME])
 127   GNULIB_RENAMEAT=0;             AC_SUBST([GNULIB_RENAMEAT])
 128   GNULIB_SCANF=0;                AC_SUBST([GNULIB_SCANF])
 129   GNULIB_SNPRINTF=0;             AC_SUBST([GNULIB_SNPRINTF])
 130   GNULIB_SPRINTF_POSIX=0;        AC_SUBST([GNULIB_SPRINTF_POSIX])
 131   GNULIB_STDIO_H_NONBLOCKING=0;  AC_SUBST([GNULIB_STDIO_H_NONBLOCKING])
 132   GNULIB_STDIO_H_SIGPIPE=0;      AC_SUBST([GNULIB_STDIO_H_SIGPIPE])
 133   GNULIB_TMPFILE=0;              AC_SUBST([GNULIB_TMPFILE])
 134   GNULIB_VASPRINTF=0;            AC_SUBST([GNULIB_VASPRINTF])
 135   GNULIB_VFSCANF=0;              AC_SUBST([GNULIB_VFSCANF])
 136   GNULIB_VSCANF=0;               AC_SUBST([GNULIB_VSCANF])
 137   GNULIB_VDPRINTF=0;             AC_SUBST([GNULIB_VDPRINTF])
 138   GNULIB_VFPRINTF=0;             AC_SUBST([GNULIB_VFPRINTF])
 139   GNULIB_VFPRINTF_POSIX=0;       AC_SUBST([GNULIB_VFPRINTF_POSIX])
 140   GNULIB_VPRINTF=0;              AC_SUBST([GNULIB_VPRINTF])
 141   GNULIB_VPRINTF_POSIX=0;        AC_SUBST([GNULIB_VPRINTF_POSIX])
 142   GNULIB_VSNPRINTF=0;            AC_SUBST([GNULIB_VSNPRINTF])
 143   GNULIB_VSPRINTF_POSIX=0;       AC_SUBST([GNULIB_VSPRINTF_POSIX])
 144   dnl Assume proper GNU behavior unless another module says otherwise.
 145   HAVE_DECL_FPURGE=1;            AC_SUBST([HAVE_DECL_FPURGE])
 146   HAVE_DECL_FSEEKO=1;            AC_SUBST([HAVE_DECL_FSEEKO])
 147   HAVE_DECL_FTELLO=1;            AC_SUBST([HAVE_DECL_FTELLO])
 148   HAVE_DECL_GETDELIM=1;          AC_SUBST([HAVE_DECL_GETDELIM])
 149   HAVE_DECL_GETLINE=1;           AC_SUBST([HAVE_DECL_GETLINE])
 150   HAVE_DECL_OBSTACK_PRINTF=1;    AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])
 151   HAVE_DECL_SNPRINTF=1;          AC_SUBST([HAVE_DECL_SNPRINTF])
 152   HAVE_DECL_VSNPRINTF=1;         AC_SUBST([HAVE_DECL_VSNPRINTF])
 153   HAVE_DPRINTF=1;                AC_SUBST([HAVE_DPRINTF])
 154   HAVE_FSEEKO=1;                 AC_SUBST([HAVE_FSEEKO])
 155   HAVE_FTELLO=1;                 AC_SUBST([HAVE_FTELLO])
 156   HAVE_RENAMEAT=1;               AC_SUBST([HAVE_RENAMEAT])
 157   HAVE_VASPRINTF=1;              AC_SUBST([HAVE_VASPRINTF])
 158   HAVE_VDPRINTF=1;               AC_SUBST([HAVE_VDPRINTF])
 159   REPLACE_DPRINTF=0;             AC_SUBST([REPLACE_DPRINTF])
 160   REPLACE_FCLOSE=0;              AC_SUBST([REPLACE_FCLOSE])
 161   REPLACE_FFLUSH=0;              AC_SUBST([REPLACE_FFLUSH])
 162   REPLACE_FOPEN=0;               AC_SUBST([REPLACE_FOPEN])
 163   REPLACE_FPRINTF=0;             AC_SUBST([REPLACE_FPRINTF])
 164   REPLACE_FPURGE=0;              AC_SUBST([REPLACE_FPURGE])
 165   REPLACE_FREOPEN=0;             AC_SUBST([REPLACE_FREOPEN])
 166   REPLACE_FSEEK=0;               AC_SUBST([REPLACE_FSEEK])
 167   REPLACE_FSEEKO=0;              AC_SUBST([REPLACE_FSEEKO])
 168   REPLACE_FTELL=0;               AC_SUBST([REPLACE_FTELL])
 169   REPLACE_FTELLO=0;              AC_SUBST([REPLACE_FTELLO])
 170   REPLACE_GETDELIM=0;            AC_SUBST([REPLACE_GETDELIM])
 171   REPLACE_GETLINE=0;             AC_SUBST([REPLACE_GETLINE])
 172   REPLACE_OBSTACK_PRINTF=0;      AC_SUBST([REPLACE_OBSTACK_PRINTF])
 173   REPLACE_PERROR=0;              AC_SUBST([REPLACE_PERROR])
 174   REPLACE_POPEN=0;               AC_SUBST([REPLACE_POPEN])
 175   REPLACE_PRINTF=0;              AC_SUBST([REPLACE_PRINTF])
 176   REPLACE_REMOVE=0;              AC_SUBST([REPLACE_REMOVE])
 177   REPLACE_RENAME=0;              AC_SUBST([REPLACE_RENAME])
 178   REPLACE_RENAMEAT=0;            AC_SUBST([REPLACE_RENAMEAT])
 179   REPLACE_SNPRINTF=0;            AC_SUBST([REPLACE_SNPRINTF])
 180   REPLACE_SPRINTF=0;             AC_SUBST([REPLACE_SPRINTF])
 181   REPLACE_STDIO_READ_FUNCS=0;    AC_SUBST([REPLACE_STDIO_READ_FUNCS])
 182   REPLACE_STDIO_WRITE_FUNCS=0;   AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])
 183   REPLACE_TMPFILE=0;             AC_SUBST([REPLACE_TMPFILE])
 184   REPLACE_VASPRINTF=0;           AC_SUBST([REPLACE_VASPRINTF])
 185   REPLACE_VDPRINTF=0;            AC_SUBST([REPLACE_VDPRINTF])
 186   REPLACE_VFPRINTF=0;            AC_SUBST([REPLACE_VFPRINTF])
 187   REPLACE_VPRINTF=0;             AC_SUBST([REPLACE_VPRINTF])
 188   REPLACE_VSNPRINTF=0;           AC_SUBST([REPLACE_VSNPRINTF])
 189   REPLACE_VSPRINTF=0;            AC_SUBST([REPLACE_VSPRINTF])
 190 ])