m4/stdlib_h.m4

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