m4/stdlib_h.m4

   1 # stdlib_h.m4 serial 31
   2 dnl Copyright (C) 2007-2010 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_CHECK_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   AC_CHECK_TYPES([struct random_data],
  19     [], [HAVE_STRUCT_RANDOM_DATA=0],
  20     [[#include <stdlib.h>
  21       #if HAVE_RANDOM_H
  22       # include <random.h>
  23       #endif
  24     ]])
  25
  26   dnl Check for declarations of anything we want to poison if the
  27   dnl corresponding gnulib module is not in use, and which is not
  28   dnl guaranteed by C89.
  29   gl_WARN_ON_USE_PREPARE([[#include <stdlib.h>
  30 #if HAVE_SYS_LOADAVG_H
  31 # include <sys/loadavg.h>
  32 #endif
  33 #if HAVE_RANDOM_H
  34 # include <random.h>
  35 #endif
  36     ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt mkdtemp
  37     mkostemp mkostemps mkstemp mkstemps ptsname random_r initstat_r srandom_r
  38     setstate_r realpath rpmatch setenv strtod strtoll strtoull unlockpt
  39     unsetenv])
  40 ])
  41
  42 AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
  43 [
  44   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  45   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  46   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  47   dnl Define it also as a C macro, for the benefit of the unit tests.
  48   gl_MODULE_INDICATOR_FOR_TESTS([$1])
  49 ])
  50
  51 AC_DEFUN([gl_STDLIB_H_DEFAULTS],
  52 [
  53   GNULIB__EXIT=0;         AC_SUBST([GNULIB__EXIT])
  54   GNULIB_ATOLL=0;         AC_SUBST([GNULIB_ATOLL])
  55   GNULIB_CALLOC_POSIX=0;  AC_SUBST([GNULIB_CALLOC_POSIX])
  56   GNULIB_CANONICALIZE_FILE_NAME=0;  AC_SUBST([GNULIB_CANONICALIZE_FILE_NAME])
  57   GNULIB_GETLOADAVG=0;    AC_SUBST([GNULIB_GETLOADAVG])
  58   GNULIB_GETSUBOPT=0;     AC_SUBST([GNULIB_GETSUBOPT])
  59   GNULIB_GRANTPT=0;       AC_SUBST([GNULIB_GRANTPT])
  60   GNULIB_MALLOC_POSIX=0;  AC_SUBST([GNULIB_MALLOC_POSIX])
  61   GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
  62   GNULIB_MKOSTEMP=0;      AC_SUBST([GNULIB_MKOSTEMP])
  63   GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
  64   GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
  65   GNULIB_MKSTEMPS=0;      AC_SUBST([GNULIB_MKSTEMPS])
  66   GNULIB_PTSNAME=0;       AC_SUBST([GNULIB_PTSNAME])
  67   GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
  68   GNULIB_RANDOM_R=0;      AC_SUBST([GNULIB_RANDOM_R])
  69   GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
  70   GNULIB_REALPATH=0;      AC_SUBST([GNULIB_REALPATH])
  71   GNULIB_RPMATCH=0;       AC_SUBST([GNULIB_RPMATCH])
  72   GNULIB_SETENV=0;        AC_SUBST([GNULIB_SETENV])
  73   GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
  74   GNULIB_STRTOLL=0;       AC_SUBST([GNULIB_STRTOLL])
  75   GNULIB_STRTOULL=0;      AC_SUBST([GNULIB_STRTOULL])
  76   GNULIB_SYSTEM_POSIX=0;  AC_SUBST([GNULIB_SYSTEM_POSIX])
  77   GNULIB_UNLOCKPT=0;      AC_SUBST([GNULIB_UNLOCKPT])
  78   GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])
  79   dnl Assume proper GNU behavior unless another module says otherwise.
  80   HAVE__EXIT=1;              AC_SUBST([HAVE__EXIT])
  81   HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])
  82   HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
  83   HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
  84   HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])
  85   HAVE_GRANTPT=1;            AC_SUBST([HAVE_GRANTPT])
  86   HAVE_MKDTEMP=1;            AC_SUBST([HAVE_MKDTEMP])
  87   HAVE_MKOSTEMP=1;           AC_SUBST([HAVE_MKOSTEMP])
  88   HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
  89   HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
  90   HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
  91   HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
  92   HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
  93   HAVE_REALPATH=1;           AC_SUBST([HAVE_REALPATH])
  94   HAVE_RPMATCH=1;            AC_SUBST([HAVE_RPMATCH])
  95   HAVE_SETENV=1;             AC_SUBST([HAVE_SETENV])
  96   HAVE_STRTOD=1;             AC_SUBST([HAVE_STRTOD])
  97   HAVE_STRTOLL=1;            AC_SUBST([HAVE_STRTOLL])
  98   HAVE_STRTOULL=1;           AC_SUBST([HAVE_STRTOULL])
  99   HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA])
 100   HAVE_SYS_LOADAVG_H=0;      AC_SUBST([HAVE_SYS_LOADAVG_H])
 101   HAVE_UNLOCKPT=1;           AC_SUBST([HAVE_UNLOCKPT])
 102   HAVE_UNSETENV=1;           AC_SUBST([HAVE_UNSETENV])
 103   REPLACE_CALLOC=0;          AC_SUBST([REPLACE_CALLOC])
 104   REPLACE_CANONICALIZE_FILE_NAME=0;  AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME])
 105   REPLACE_MALLOC=0;          AC_SUBST([REPLACE_MALLOC])
 106   REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
 107   REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
 108   REPLACE_REALLOC=0;         AC_SUBST([REPLACE_REALLOC])
 109   REPLACE_REALPATH=0;        AC_SUBST([REPLACE_REALPATH])
 110   REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
 111   REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
 112   REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])
 113 ])