m4/stdio_h.m4

   1 # stdio_h.m4 serial 33
   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   dnl No need to create extra modules for these functions. Everyone who uses
  13   dnl <stdio.h> likely needs them.
  14   GNULIB_FPRINTF=1
  15   GNULIB_PRINTF=1
  16   GNULIB_VFPRINTF=1
  17   GNULIB_VPRINTF=1
  18   GNULIB_FPUTC=1
  19   GNULIB_PUTC=1
  20   GNULIB_PUTCHAR=1
  21   GNULIB_FPUTS=1
  22   GNULIB_PUTS=1
  23   GNULIB_FWRITE=1
  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], [
  28     gl_SIGNAL_SIGPIPE
  29     if test $gl_cv_header_signal_h_SIGPIPE != yes; then
  30       REPLACE_STDIO_WRITE_FUNCS=1
  31       AC_LIBOBJ([stdio-write])
  32     fi
  33   ])
  34
  35   dnl Check for declarations of anything we want to poison if the
  36   dnl corresponding gnulib module is not in use, and which is not
  37   dnl guaranteed by C89.
  38   gl_WARN_ON_USE_PREPARE([[#include <stdio.h>
  39     ]], [dprintf fpurge fseeko ftello getdelim getline popen renameat
  40     snprintf tmpfile vdprintf vsnprintf])
  41 ])
  42
  43 AC_DEFUN([gl_STDIO_MODULE_INDICATOR],
  44 [
  45   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  46   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  47   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  48   dnl Define it also as a C macro, for the benefit of the unit tests.
  49   gl_MODULE_INDICATOR_FOR_TESTS([$1])
  50 ])
  51
  52 AC_DEFUN([gl_STDIO_H_DEFAULTS],
  53 [
  54   GNULIB_DPRINTF=0;              AC_SUBST([GNULIB_DPRINTF])
  55   GNULIB_FCLOSE=0;               AC_SUBST([GNULIB_FCLOSE])
  56   GNULIB_FFLUSH=0;               AC_SUBST([GNULIB_FFLUSH])
  57   GNULIB_FOPEN=0;                AC_SUBST([GNULIB_FOPEN])
  58   GNULIB_FPRINTF=0;              AC_SUBST([GNULIB_FPRINTF])
  59   GNULIB_FPRINTF_POSIX=0;        AC_SUBST([GNULIB_FPRINTF_POSIX])
  60   GNULIB_FPURGE=0;               AC_SUBST([GNULIB_FPURGE])
  61   GNULIB_FPUTC=0;                AC_SUBST([GNULIB_FPUTC])
  62   GNULIB_FPUTS=0;                AC_SUBST([GNULIB_FPUTS])
  63   GNULIB_FREOPEN=0;              AC_SUBST([GNULIB_FREOPEN])
  64   GNULIB_FSEEK=0;                AC_SUBST([GNULIB_FSEEK])
  65   GNULIB_FSEEKO=0;               AC_SUBST([GNULIB_FSEEKO])
  66   GNULIB_FTELL=0;                AC_SUBST([GNULIB_FTELL])
  67   GNULIB_FTELLO=0;               AC_SUBST([GNULIB_FTELLO])
  68   GNULIB_FWRITE=0;               AC_SUBST([GNULIB_FWRITE])
  69   GNULIB_GETDELIM=0;             AC_SUBST([GNULIB_GETDELIM])
  70   GNULIB_GETLINE=0;              AC_SUBST([GNULIB_GETLINE])
  71   GNULIB_OBSTACK_PRINTF=0;       AC_SUBST([GNULIB_OBSTACK_PRINTF])
  72   GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
  73   GNULIB_PERROR=0;               AC_SUBST([GNULIB_PERROR])
  74   GNULIB_POPEN=0;                AC_SUBST([GNULIB_POPEN])
  75   GNULIB_PRINTF=0;               AC_SUBST([GNULIB_PRINTF])
  76   GNULIB_PRINTF_POSIX=0;         AC_SUBST([GNULIB_PRINTF_POSIX])
  77   GNULIB_PUTC=0;                 AC_SUBST([GNULIB_PUTC])
  78   GNULIB_PUTCHAR=0;              AC_SUBST([GNULIB_PUTCHAR])
  79   GNULIB_PUTS=0;                 AC_SUBST([GNULIB_PUTS])
  80   GNULIB_REMOVE=0;               AC_SUBST([GNULIB_REMOVE])
  81   GNULIB_RENAME=0;               AC_SUBST([GNULIB_RENAME])
  82   GNULIB_RENAMEAT=0;             AC_SUBST([GNULIB_RENAMEAT])
  83   GNULIB_SNPRINTF=0;             AC_SUBST([GNULIB_SNPRINTF])
  84   GNULIB_SPRINTF_POSIX=0;        AC_SUBST([GNULIB_SPRINTF_POSIX])
  85   GNULIB_STDIO_H_SIGPIPE=0;      AC_SUBST([GNULIB_STDIO_H_SIGPIPE])
  86   GNULIB_TMPFILE=0;              AC_SUBST([GNULIB_TMPFILE])
  87   GNULIB_VASPRINTF=0;            AC_SUBST([GNULIB_VASPRINTF])
  88   GNULIB_VDPRINTF=0;             AC_SUBST([GNULIB_VDPRINTF])
  89   GNULIB_VFPRINTF=0;             AC_SUBST([GNULIB_VFPRINTF])
  90   GNULIB_VFPRINTF_POSIX=0;       AC_SUBST([GNULIB_VFPRINTF_POSIX])
  91   GNULIB_VPRINTF=0;              AC_SUBST([GNULIB_VPRINTF])
  92   GNULIB_VPRINTF_POSIX=0;        AC_SUBST([GNULIB_VPRINTF_POSIX])
  93   GNULIB_VSNPRINTF=0;            AC_SUBST([GNULIB_VSNPRINTF])
  94   GNULIB_VSPRINTF_POSIX=0;       AC_SUBST([GNULIB_VSPRINTF_POSIX])
  95   dnl Assume proper GNU behavior unless another module says otherwise.
  96   HAVE_DECL_FPURGE=1;            AC_SUBST([HAVE_DECL_FPURGE])
  97   HAVE_DECL_FSEEKO=1;            AC_SUBST([HAVE_DECL_FSEEKO])
  98   HAVE_DECL_FTELLO=1;            AC_SUBST([HAVE_DECL_FTELLO])
  99   HAVE_DECL_GETDELIM=1;          AC_SUBST([HAVE_DECL_GETDELIM])
 100   HAVE_DECL_GETLINE=1;           AC_SUBST([HAVE_DECL_GETLINE])
 101   HAVE_DECL_OBSTACK_PRINTF=1;    AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])
 102   HAVE_DECL_SNPRINTF=1;          AC_SUBST([HAVE_DECL_SNPRINTF])
 103   HAVE_DECL_VSNPRINTF=1;         AC_SUBST([HAVE_DECL_VSNPRINTF])
 104   HAVE_DPRINTF=1;                AC_SUBST([HAVE_DPRINTF])
 105   HAVE_FSEEKO=1;                 AC_SUBST([HAVE_FSEEKO])
 106   HAVE_FTELLO=1;                 AC_SUBST([HAVE_FTELLO])
 107   HAVE_RENAMEAT=1;               AC_SUBST([HAVE_RENAMEAT])
 108   HAVE_VASPRINTF=1;              AC_SUBST([HAVE_VASPRINTF])
 109   HAVE_VDPRINTF=1;               AC_SUBST([HAVE_VDPRINTF])
 110   REPLACE_DPRINTF=0;             AC_SUBST([REPLACE_DPRINTF])
 111   REPLACE_FCLOSE=0;              AC_SUBST([REPLACE_FCLOSE])
 112   REPLACE_FFLUSH=0;              AC_SUBST([REPLACE_FFLUSH])
 113   REPLACE_FOPEN=0;               AC_SUBST([REPLACE_FOPEN])
 114   REPLACE_FPRINTF=0;             AC_SUBST([REPLACE_FPRINTF])
 115   REPLACE_FPURGE=0;              AC_SUBST([REPLACE_FPURGE])
 116   REPLACE_FREOPEN=0;             AC_SUBST([REPLACE_FREOPEN])
 117   REPLACE_FSEEK=0;               AC_SUBST([REPLACE_FSEEK])
 118   REPLACE_FSEEKO=0;              AC_SUBST([REPLACE_FSEEKO])
 119   REPLACE_FTELL=0;               AC_SUBST([REPLACE_FTELL])
 120   REPLACE_FTELLO=0;              AC_SUBST([REPLACE_FTELLO])
 121   REPLACE_GETDELIM=0;            AC_SUBST([REPLACE_GETDELIM])
 122   REPLACE_GETLINE=0;             AC_SUBST([REPLACE_GETLINE])
 123   REPLACE_OBSTACK_PRINTF=0;      AC_SUBST([REPLACE_OBSTACK_PRINTF])
 124   REPLACE_PERROR=0;              AC_SUBST([REPLACE_PERROR])
 125   REPLACE_POPEN=0;               AC_SUBST([REPLACE_POPEN])
 126   REPLACE_PRINTF=0;              AC_SUBST([REPLACE_PRINTF])
 127   REPLACE_REMOVE=0;              AC_SUBST([REPLACE_REMOVE])
 128   REPLACE_RENAME=0;              AC_SUBST([REPLACE_RENAME])
 129   REPLACE_RENAMEAT=0;            AC_SUBST([REPLACE_RENAMEAT])
 130   REPLACE_SNPRINTF=0;            AC_SUBST([REPLACE_SNPRINTF])
 131   REPLACE_SPRINTF=0;             AC_SUBST([REPLACE_SPRINTF])
 132   REPLACE_STDIO_WRITE_FUNCS=0;   AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])
 133   REPLACE_TMPFILE=0;             AC_SUBST([REPLACE_TMPFILE])
 134   REPLACE_VASPRINTF=0;           AC_SUBST([REPLACE_VASPRINTF])
 135   REPLACE_VDPRINTF=0;            AC_SUBST([REPLACE_VDPRINTF])
 136   REPLACE_VFPRINTF=0;            AC_SUBST([REPLACE_VFPRINTF])
 137   REPLACE_VPRINTF=0;             AC_SUBST([REPLACE_VPRINTF])
 138   REPLACE_VSNPRINTF=0;           AC_SUBST([REPLACE_VSNPRINTF])
 139   REPLACE_VSPRINTF=0;            AC_SUBST([REPLACE_VSPRINTF])
 140 ])