m4/stdlib_h.m4

   1 # stdlib_h.m4 serial 36
   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_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 mkdtemp
  23     mkostemp mkostemps mkstemp mkstemps ptsname random_r initstat_r srandom_r
  24     setstate_r realpath rpmatch setenv strtod strtoll strtoull unlockpt
  25     unsetenv])
  26 ])
  27
  28 AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
  29 [
  30   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  31   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  32   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  33   dnl Define it also as a C macro, for the benefit of the unit tests.
  34   gl_MODULE_INDICATOR_FOR_TESTS([$1])
  35 ])
  36
  37 AC_DEFUN([gl_STDLIB_H_DEFAULTS],
  38 [
  39   GNULIB__EXIT=0;         AC_SUBST([GNULIB__EXIT])
  40   GNULIB_ATOLL=0;         AC_SUBST([GNULIB_ATOLL])
  41   GNULIB_CALLOC_POSIX=0;  AC_SUBST([GNULIB_CALLOC_POSIX])
  42   GNULIB_CANONICALIZE_FILE_NAME=0;  AC_SUBST([GNULIB_CANONICALIZE_FILE_NAME])
  43   GNULIB_GETLOADAVG=0;    AC_SUBST([GNULIB_GETLOADAVG])
  44   GNULIB_GETSUBOPT=0;     AC_SUBST([GNULIB_GETSUBOPT])
  45   GNULIB_GRANTPT=0;       AC_SUBST([GNULIB_GRANTPT])
  46   GNULIB_MALLOC_POSIX=0;  AC_SUBST([GNULIB_MALLOC_POSIX])
  47   GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
  48   GNULIB_MKOSTEMP=0;      AC_SUBST([GNULIB_MKOSTEMP])
  49   GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
  50   GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
  51   GNULIB_MKSTEMPS=0;      AC_SUBST([GNULIB_MKSTEMPS])
  52   GNULIB_PTSNAME=0;       AC_SUBST([GNULIB_PTSNAME])
  53   GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
  54   GNULIB_RANDOM_R=0;      AC_SUBST([GNULIB_RANDOM_R])
  55   GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
  56   GNULIB_REALPATH=0;      AC_SUBST([GNULIB_REALPATH])
  57   GNULIB_RPMATCH=0;       AC_SUBST([GNULIB_RPMATCH])
  58   GNULIB_SETENV=0;        AC_SUBST([GNULIB_SETENV])
  59   GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
  60   GNULIB_STRTOLL=0;       AC_SUBST([GNULIB_STRTOLL])
  61   GNULIB_STRTOULL=0;      AC_SUBST([GNULIB_STRTOULL])
  62   GNULIB_SYSTEM_POSIX=0;  AC_SUBST([GNULIB_SYSTEM_POSIX])
  63   GNULIB_UNLOCKPT=0;      AC_SUBST([GNULIB_UNLOCKPT])
  64   GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])
  65   dnl Assume proper GNU behavior unless another module says otherwise.
  66   HAVE__EXIT=1;              AC_SUBST([HAVE__EXIT])
  67   HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])
  68   HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
  69   HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
  70   HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])
  71   HAVE_GRANTPT=1;            AC_SUBST([HAVE_GRANTPT])
  72   HAVE_MKDTEMP=1;            AC_SUBST([HAVE_MKDTEMP])
  73   HAVE_MKOSTEMP=1;           AC_SUBST([HAVE_MKOSTEMP])
  74   HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
  75   HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
  76   HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
  77   HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
  78   HAVE_RANDOM_H=1;           AC_SUBST([HAVE_RANDOM_H])
  79   HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
  80   HAVE_REALPATH=1;           AC_SUBST([HAVE_REALPATH])
  81   HAVE_RPMATCH=1;            AC_SUBST([HAVE_RPMATCH])
  82   HAVE_SETENV=1;             AC_SUBST([HAVE_SETENV])
  83   HAVE_DECL_SETENV=1;        AC_SUBST([HAVE_DECL_SETENV])
  84   HAVE_STRTOD=1;             AC_SUBST([HAVE_STRTOD])
  85   HAVE_STRTOLL=1;            AC_SUBST([HAVE_STRTOLL])
  86   HAVE_STRTOULL=1;           AC_SUBST([HAVE_STRTOULL])
  87   HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA])
  88   HAVE_SYS_LOADAVG_H=0;      AC_SUBST([HAVE_SYS_LOADAVG_H])
  89   HAVE_UNLOCKPT=1;           AC_SUBST([HAVE_UNLOCKPT])
  90   HAVE_DECL_UNSETENV=1;      AC_SUBST([HAVE_DECL_UNSETENV])
  91   REPLACE_CALLOC=0;          AC_SUBST([REPLACE_CALLOC])
  92   REPLACE_CANONICALIZE_FILE_NAME=0;  AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME])
  93   REPLACE_MALLOC=0;          AC_SUBST([REPLACE_MALLOC])
  94   REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
  95   REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
  96   REPLACE_REALLOC=0;         AC_SUBST([REPLACE_REALLOC])
  97   REPLACE_REALPATH=0;        AC_SUBST([REPLACE_REALPATH])
  98   REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
  99   REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
 100   REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])
 101 ])