1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
dnl
dnl checks for password entry functions and header files
dnl
AC_DEFUN(GETPWNAM_R_POSIX,
[
HAVE_GETPWNAM_R_POSIX=""
AC_MSG_CHECKING(for POSIX.1c getpwnam_r)
AC_TRY_LINK([
#include <pwd.h>
#include <stdlib.h>],
getpwnam_r(NULL,NULL,NULL,0,NULL);,
AC_DEFINE(HAVE_GETPWNAM_R_POSIX,1,POSIX.1c getpwnam_r)
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
])
dnl
dnl checks for group entry functions and header files
dnl
AC_DEFUN(GETGRNAM_R_POSIX,
[
HAVE_GETGRNAM_R_POSIX=""
AC_MSG_CHECKING(for POSIX.1c getgrnam_r)
AC_TRY_LINK([
#include <grp.h>
#include <stdlib.h>],
getgrnam_r(NULL,NULL,NULL,0,NULL);,
AC_DEFINE(HAVE_GETGRNAM_R_POSIX,1,POSIX.1c getgrnam_r)
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
])
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 6
AC_DEFUN([AX_CHECK_COMPILE_FLAG],
[
m4_if(m4_version_compare(m4_defn([AC_AUTOCONF_VERSION]), [2.64]), -1,
[
AC_MSG_CHECKING([whether compiler accepts $1])
AC_MSG_RESULT([skipping, autoconf too old])
],
[
AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
[AS_VAR_SET(CACHEVAR,[yes])],
[AS_VAR_SET(CACHEVAR,[no])])
_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
AS_VAR_IF(CACHEVAR,yes,
[m4_default([$2], :)],
[m4_default([$3], :)])
AS_VAR_POPDEF([CACHEVAR])dnl
])
])dnl AX_CHECK_COMPILE_FLAGS
AC_DEFUN([AX_GCC_VERSION], [
GCC_VERSION=""
AS_IF([test "x$GCC" = "xyes"],[
AC_CACHE_CHECK([gcc version],[ax_cv_gcc_version],[
ax_cv_gcc_version="`$CC -dumpversion`"
AS_IF([test "x$ax_cv_gcc_version" = "x"],[
ax_cv_gcc_version=""
])
])
GCC_VERSION=$ax_cv_gcc_version
])
AC_SUBST([GCC_VERSION])
])
|