gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gas / acinclude.m4

diff --git a/gas/acinclude.m4 b/gas/acinclude.m4
index 31a2c1632f1782cef0b31da6df4cc80cec31e6da..9864abe23ebf59694e1579dc65589457f1ea6fc9 100644 (file)
--- a/gas/acinclude.m4
+++ b/gas/acinclude.m4
@@ -1,5 +1,5 @@
 dnl GAS_CHECK_DECL_NEEDED(name, typedefname, typedef, headers)
-AC_DEFUN(GAS_CHECK_DECL_NEEDED,[
+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],
@@ -19,7 +19,7 @@ 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_DEFUN([GAS_WORKING_ASSERT],
 [AC_MSG_CHECKING([for working assert macro])
 AC_CACHE_VAL(gas_cv_assert_ok,
 AC_TRY_LINK([#include <assert.h>
@@ -37,9 +37,9 @@ test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT, 1, [assert broken?])
 ])dnl
 dnl
 dnl Since many Bourne shell implementations lack subroutines, use this
-dnl hack to simplify the code in configure.in.
+dnl hack to simplify the code in configure.ac.
 dnl GAS_UNIQ(listvar)
-AC_DEFUN(GAS_UNIQ,
+AC_DEFUN([GAS_UNIQ],
 [_gas_uniq_list="[$]$1"
 _gas_uniq_newlist=""
 dnl Protect against empty input list.
@@ -54,3 +54,41 @@ for _gas_uniq_i in _gas_uniq_dummy [$]_gas_uniq_list ; do
 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