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
|
dnl GAS_CHECK_DECL_NEEDED(name, typedefname, typedef, headers)
AC_DEFUN([GAS_CHECK_DECL_NEEDED],[
AC_MSG_CHECKING(whether declaration is required for $1)
AC_CACHE_VAL(gas_cv_decl_needed_$1,
AC_TRY_LINK([$4],
[
typedef $3;
$2 x;
x = ($2) $1;
], gas_cv_decl_needed_$1=no, gas_cv_decl_needed_$1=yes))dnl
AC_MSG_RESULT($gas_cv_decl_needed_$1)
if test $gas_cv_decl_needed_$1 = yes; then
AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
[Define if $1 is not declared in system header files.])
fi
])dnl
dnl
dnl Some non-ANSI preprocessors botch requoting inside strings. That's bad
dnl enough, but on some of those systems, the assert macro relies on requoting
dnl working properly!
dnl GAS_WORKING_ASSERT
AC_DEFUN([GAS_WORKING_ASSERT],
[AC_MSG_CHECKING([for working assert macro])
AC_CACHE_VAL(gas_cv_assert_ok,
AC_TRY_LINK([#include <assert.h>
#include <stdio.h>], [
/* check for requoting problems */
static int a, b, c, d;
static char *s;
assert (!strcmp(s, "foo bar baz quux"));
/* check for newline handling */
assert (a == b
|| c == d);
], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
AC_MSG_RESULT($gas_cv_assert_ok)
test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT, 1, [assert broken?])
])dnl
dnl
dnl Since many Bourne shell implementations lack subroutines, use this
dnl hack to simplify the code in configure.in.
dnl GAS_UNIQ(listvar)
AC_DEFUN([GAS_UNIQ],
[_gas_uniq_list="[$]$1"
_gas_uniq_newlist=""
dnl Protect against empty input list.
for _gas_uniq_i in _gas_uniq_dummy [$]_gas_uniq_list ; do
case [$]_gas_uniq_i in
_gas_uniq_dummy) ;;
*) case " [$]_gas_uniq_newlist " in
*" [$]_gas_uniq_i "*) ;;
*) _gas_uniq_newlist="[$]_gas_uniq_newlist [$]_gas_uniq_i" ;;
esac ;;
esac
done
$1=[$]_gas_uniq_newlist
])dnl
|
