m4/stdlib_h.m4

   1 # stdlib_h.m4 serial 41
   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.
   6
   7 AC_DEFUN([gl_STDLIB_H],
   8 [
   9   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  10   gl_NEXT_HEADERS([stdlib.h])
  11
  12   dnl Check for declarations of anything we want to poison if the
  13   dnl corresponding gnulib module is not in use, and which is not
  14   dnl guaranteed by C89.
  15   gl_WARN_ON_USE_PREPARE([[#include <stdlib.h>
  16 #if HAVE_SYS_LOADAVG_H
  17 # include <sys/loadavg.h>
  18 #endif
  19 #if HAVE_RANDOM_H
  20 # include <random.h>
  21 #endif
  22     ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt
  23     initstate initstate_r mkdtemp mkostemp mkostemps mkstemp mkstemps
  24     posix_openpt ptsname ptsname_r random random_r realpath rpmatch
  25     setenv setstate setstate_r srandom srandom_r
  26     strtod strtoll strtoull unlockpt unsetenv])
  27 ])
  28
  29 AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
  30 [
  31   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  32   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  33   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  34   dnl Define it also as a C macro, for the benefit of the unit tests.
  35   gl_MODULE_INDICATOR_FOR_TESTS([$1])
  36 ])
  37
  38 AC_DEFUN([gl_STDLIB_H_DEFAULTS],
  39 [
  40   GNULIB__EXIT=0;         AC_SUBST([GNULIB__EXIT])
  41   GNULIB_ATOLL=0;         AC_SUBST([GNULIB_ATOLL])
  42   GNULIB_CALLOC_POSIX=0;  AC_SUBST([GNULIB_CALLOC_POSIX])
  43   GNULIB_CANONICALIZE_FILE_NAME=0;  AC_SUBST([GNULIB_CANONICALIZE_FILE_NAME])
  44   GNULIB_GETLOADAVG=0;    AC_SUBST([GNULIB_GETLOADAVG])
  45   GNULIB_GETSUBOPT=0;     AC_SUBST([GNULIB_GETSUBOPT])
  46   GNULIB_GRANTPT=0;       AC_SUBST([GNULIB_GRANTPT])
  47   GNULIB_MALLOC_POSIX=0;  AC_SUBST([GNULIB_MALLOC_POSIX])
  48   GNULIB_MBTOWC=0;        AC_SUBST([GNULIB_MBTOWC])
  49   GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
  50   GNULIB_MKOSTEMP=0;      AC_SUBST([GNULIB_MKOSTEMP])
  51   GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
  52   GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
  53   GNULIB_MKSTEMPS=0;      AC_SUBST([GNULIB_MKSTEMPS])
  54   GNULIB_POSIX_OPENPT=0;  AC_SUBST([GNULIB_POSIX_OPENPT])
  55   GNULIB_PTSNAME=0;       AC_SUBST([GNULIB_PTSNAME])
  56   GNULIB_PTSNAME_R=0;     AC_SUBST([GNULIB_PTSNAME_R])
  57   GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
  58   GNULIB_RANDOM=0;        AC_SUBST([GNULIB_RANDOM])
  59   GNULIB_RANDOM_R=0;      AC_SUBST([GNULIB_RANDOM_R])
  60   GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
  61   GNULIB_REALPATH=0;      AC_SUBST([GNULIB_REALPATH])
  62   GNULIB_RPMATCH=0;       AC_SUBST([GNULIB_RPMATCH])
  63   GNULIB_SETENV=0;        AC_SUBST([GNULIB_SETENV])
  64   GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
  65   GNULIB_STRTOLL=0;       AC_SUBST([GNULIB_STRTOLL])
  66   GNULIB_STRTOULL=0;      AC_SUBST([GNULIB_STRTOULL])
  67   GNULIB_SYSTEM_POSIX=0;  AC_SUBST([GNULIB_SYSTEM_POSIX])
  68   GNULIB_UNLOCKPT=0;      AC_SUBST([GNULIB_UNLOCKPT])
  69   GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])
  70   GNULIB_WCTOMB=0;        AC_SUBST([GNULIB_WCTOMB])
  71   dnl Assume proper GNU behavior unless another module says otherwise.
  72   HAVE__EXIT=1;              AC_SUBST([HAVE__EXIT])
  73   HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])
  74   HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
  75   HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
  76   HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])
  77   HAVE_GRANTPT=1;            AC_SUBST([HAVE_GRANTPT])
  78   HAVE_MKDTEMP=1;            AC_SUBST([HAVE_MKDTEMP])
  79   HAVE_MKOSTEMP=1;           AC_SUBST([HAVE_MKOSTEMP])
  80   HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
  81   HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
  82   HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
  83   HAVE_POSIX_OPENPT=1;       AC_SUBST([HAVE_POSIX_OPENPT])
  84   HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
  85   HAVE_PTSNAME_R=1;          AC_SUBST([HAVE_PTSNAME_R])
  86   HAVE_RANDOM=1;             AC_SUBST([HAVE_RANDOM])
  87   HAVE_RANDOM_H=1;           AC_SUBST([HAVE_RANDOM_H])
  88   HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
  89   HAVE_REALPATH=1;           AC_SUBST([HAVE_REALPATH])
  90   HAVE_RPMATCH=1;            AC_SUBST([HAVE_RPMATCH])
  91   HAVE_SETENV=1;             AC_SUBST([HAVE_SETENV])
  92   HAVE_DECL_SETENV=1;        AC_SUBST([HAVE_DECL_SETENV])
  93   HAVE_STRTOD=1;             AC_SUBST([HAVE_STRTOD])
  94   HAVE_STRTOLL=1;            AC_SUBST([HAVE_STRTOLL])
  95   HAVE_STRTOULL=1;           AC_SUBST([HAVE_STRTOULL])
  96   HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA])
  97   HAVE_SYS_LOADAVG_H=0;      AC_SUBST([HAVE_SYS_LOADAVG_H])
  98   HAVE_UNLOCKPT=1;           AC_SUBST([HAVE_UNLOCKPT])
  99   HAVE_DECL_UNSETENV=1;      AC_SUBST([HAVE_DECL_UNSETENV])
 100   REPLACE_CALLOC=0;          AC_SUBST([REPLACE_CALLOC])
 101   REPLACE_CANONICALIZE_FILE_NAME=0;  AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME])
 102   REPLACE_MALLOC=0;          AC_SUBST([REPLACE_MALLOC])
 103   REPLACE_MBTOWC=0;          AC_SUBST([REPLACE_MBTOWC])
 104   REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
 105   REPLACE_PTSNAME=0;         AC_SUBST([REPLACE_PTSNAME])
 106   REPLACE_PTSNAME_R=0;       AC_SUBST([REPLACE_PTSNAME_R])
 107   REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
 108   REPLACE_RANDOM_R=0;        AC_SUBST([REPLACE_RANDOM_R])
 109   REPLACE_REALLOC=0;         AC_SUBST([REPLACE_REALLOC])
 110   REPLACE_REALPATH=0;        AC_SUBST([REPLACE_REALPATH])
 111   REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
 112   REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
 113   REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])
 114   REPLACE_WCTOMB=0;          AC_SUBST([REPLACE_WCTOMB])
 115 ])