m4/stdlib_h.m4

   1 # stdlib_h.m4 serial 39
   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
  23     initstate_r mkdtemp mkostemp mkostemps mkstemp mkstemps posix_openpt
  24     ptsname ptsname_r random_r realpath rpmatch setenv setstate_r srandom_r
  25     strtod strtoll strtoull unlockpt 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_MBTOWC=0;        AC_SUBST([GNULIB_MBTOWC])
  48   GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
  49   GNULIB_MKOSTEMP=0;      AC_SUBST([GNULIB_MKOSTEMP])
  50   GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
  51   GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
  52   GNULIB_MKSTEMPS=0;      AC_SUBST([GNULIB_MKSTEMPS])
  53   GNULIB_POSIX_OPENPT=0;  AC_SUBST([GNULIB_POSIX_OPENPT])
  54   GNULIB_PTSNAME=0;       AC_SUBST([GNULIB_PTSNAME])
  55   GNULIB_PTSNAME_R=0;     AC_SUBST([GNULIB_PTSNAME_R])
  56   GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
  57   GNULIB_RANDOM_R=0;      AC_SUBST([GNULIB_RANDOM_R])
  58   GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
  59   GNULIB_REALPATH=0;      AC_SUBST([GNULIB_REALPATH])
  60   GNULIB_RPMATCH=0;       AC_SUBST([GNULIB_RPMATCH])
  61   GNULIB_SETENV=0;        AC_SUBST([GNULIB_SETENV])
  62   GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
  63   GNULIB_STRTOLL=0;       AC_SUBST([GNULIB_STRTOLL])
  64   GNULIB_STRTOULL=0;      AC_SUBST([GNULIB_STRTOULL])
  65   GNULIB_SYSTEM_POSIX=0;  AC_SUBST([GNULIB_SYSTEM_POSIX])
  66   GNULIB_UNLOCKPT=0;      AC_SUBST([GNULIB_UNLOCKPT])
  67   GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])
  68   GNULIB_WCTOMB=0;        AC_SUBST([GNULIB_WCTOMB])
  69   dnl Assume proper GNU behavior unless another module says otherwise.
  70   HAVE__EXIT=1;              AC_SUBST([HAVE__EXIT])
  71   HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])
  72   HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
  73   HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
  74   HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])
  75   HAVE_GRANTPT=1;            AC_SUBST([HAVE_GRANTPT])
  76   HAVE_MKDTEMP=1;            AC_SUBST([HAVE_MKDTEMP])
  77   HAVE_MKOSTEMP=1;           AC_SUBST([HAVE_MKOSTEMP])
  78   HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
  79   HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
  80   HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
  81   HAVE_POSIX_OPENPT=1;       AC_SUBST([HAVE_POSIX_OPENPT])
  82   HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
  83   HAVE_PTSNAME_R=1;          AC_SUBST([HAVE_PTSNAME_R])
  84   HAVE_RANDOM_H=1;           AC_SUBST([HAVE_RANDOM_H])
  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_MBTOWC=0;          AC_SUBST([REPLACE_MBTOWC])
 101   REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
 102   REPLACE_PTSNAME_R=0;       AC_SUBST([REPLACE_PTSNAME_R])
 103   REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
 104   REPLACE_REALLOC=0;         AC_SUBST([REPLACE_REALLOC])
 105   REPLACE_REALPATH=0;        AC_SUBST([REPLACE_REALPATH])
 106   REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
 107   REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
 108   REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])
 109   REPLACE_WCTOMB=0;          AC_SUBST([REPLACE_WCTOMB])
 110 ])