mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-24 23:32:06 +00:00
95 lines
3.0 KiB
Plaintext
95 lines
3.0 KiB
Plaintext
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 $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT, 1, [assert broken?])
|
|
])dnl
|
|
dnl
|
|
dnl Since many Bourne shell implementations lack subroutines, use this
|
|
dnl hack to simplify the code in configure.ac.
|
|
dnl GAS_UNIQ(listvar)
|
|
AC_DEFUN([GAS_UNIQ],
|
|
[_gas_uniq_list="[$]$1"
|
|
_gas_uniq_newlist=""
|
|
dnl Protect against empty input list.
|
|
for _gas_uniq_i in _gas_uniq_dummy [$]_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
|
|
dnl
|
|
dnl Check for existence of member $2 in type $1 in time.h
|
|
dnl
|
|
AC_DEFUN([GAS_HAVE_TIME_TYPE_MEMBER],
|
|
[AC_MSG_CHECKING([for $1.$2 in time.h])
|
|
AC_CACHE_VAL(gas_cv_have_time_type_member_$2,
|
|
[AC_TRY_COMPILE([
|
|
#define _BSD_SOURCE 1
|
|
#include <time.h>],
|
|
[$1 avar; void* aref = (void*) &avar.$2],
|
|
gas_cv_have_time_type_member_$2=yes,
|
|
gas_cv_have_time_type_member_$2=no
|
|
)])
|
|
if test $gas_cv_have_time_type_member_$2 = yes; then
|
|
AC_DEFINE([HAVE_]translit($2, [a-z], [A-Z]), 1,
|
|
[Define if <time.h> has $1.$2.])
|
|
fi
|
|
AC_MSG_RESULT($gas_cv_have_time_type_member_$2)
|
|
])dnl
|
|
dnl
|
|
dnl Check for existence of member $2.$3 in type $1 in sys/stat.h
|
|
dnl
|
|
AC_DEFUN([GAS_HAVE_SYS_STAT_TYPE_MEMBER],
|
|
[AC_MSG_CHECKING([for $1.$2.$3 in sys/stat.h])
|
|
AC_CACHE_VAL(gas_cv_have_sys_stat_type_member_$2_$3,
|
|
[AC_TRY_COMPILE([
|
|
#define _BSD_SOURCE 1
|
|
#include <sys/stat.h>],
|
|
[$1 avar; void* aref = (void*) &avar.$2.$3],
|
|
gas_cv_have_sys_stat_type_member_$2_$3=yes,
|
|
gas_cv_have_sys_stat_type_member_$2_$3=no
|
|
)])
|
|
if test $gas_cv_have_sys_stat_type_member_$2_$3 = yes; then
|
|
AC_DEFINE([HAVE_]translit($2, [a-z], [A-Z])[_]translit($3, [a-z], [A-Z]), 1,
|
|
[Define if <sys/stat.h> has $1.$2.$3])
|
|
fi
|
|
AC_MSG_RESULT($gas_cv_have_sys_stat_type_member_$2_$3)
|
|
])dnl
|