1# stdlib_h.m4 serial 28
2dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_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    ]], [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
42AC_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
51AC_DEFUN([gl_STDLIB_H_DEFAULTS],
52[
53  GNULIB_ATOLL=0;         AC_SUBST([GNULIB_ATOLL])
54  GNULIB_CALLOC_POSIX=0;  AC_SUBST([GNULIB_CALLOC_POSIX])
55  GNULIB_CANONICALIZE_FILE_NAME=0;  AC_SUBST([GNULIB_CANONICALIZE_FILE_NAME])
56  GNULIB_GETLOADAVG=0;    AC_SUBST([GNULIB_GETLOADAVG])
57  GNULIB_GETSUBOPT=0;     AC_SUBST([GNULIB_GETSUBOPT])
58  GNULIB_GRANTPT=0;       AC_SUBST([GNULIB_GRANTPT])
59  GNULIB_MALLOC_POSIX=0;  AC_SUBST([GNULIB_MALLOC_POSIX])
60  GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
61  GNULIB_MKOSTEMP=0;      AC_SUBST([GNULIB_MKOSTEMP])
62  GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
63  GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
64  GNULIB_MKSTEMPS=0;      AC_SUBST([GNULIB_MKSTEMPS])
65  GNULIB_PTSNAME=0;       AC_SUBST([GNULIB_PTSNAME])
66  GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
67  GNULIB_RANDOM_R=0;      AC_SUBST([GNULIB_RANDOM_R])
68  GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
69  GNULIB_REALPATH=0;      AC_SUBST([GNULIB_REALPATH])
70  GNULIB_RPMATCH=0;       AC_SUBST([GNULIB_RPMATCH])
71  GNULIB_SETENV=0;        AC_SUBST([GNULIB_SETENV])
72  GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
73  GNULIB_STRTOLL=0;       AC_SUBST([GNULIB_STRTOLL])
74  GNULIB_STRTOULL=0;      AC_SUBST([GNULIB_STRTOULL])
75  GNULIB_UNLOCKPT=0;      AC_SUBST([GNULIB_UNLOCKPT])
76  GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])
77  dnl Assume proper GNU behavior unless another module says otherwise.
78  HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])
79  HAVE_CALLOC_POSIX=1;       AC_SUBST([HAVE_CALLOC_POSIX])
80  HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
81  HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
82  HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])
83  HAVE_GRANTPT=1;            AC_SUBST([HAVE_GRANTPT])
84  HAVE_MALLOC_POSIX=1;       AC_SUBST([HAVE_MALLOC_POSIX])
85  HAVE_MKDTEMP=1;            AC_SUBST([HAVE_MKDTEMP])
86  HAVE_MKOSTEMP=1;           AC_SUBST([HAVE_MKOSTEMP])
87  HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
88  HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
89  HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
90  HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
91  HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
92  HAVE_REALLOC_POSIX=1;      AC_SUBST([HAVE_REALLOC_POSIX])
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_CANONICALIZE_FILE_NAME=0;  AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME])
104  REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
105  REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
106  REPLACE_REALPATH=0;        AC_SUBST([REPLACE_REALPATH])
107  REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
108  REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
109  REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])
110])
111