On Fri, 5 Sep 2025 12:56:07 GMT, Erik Joelsson <[email protected]> wrote:
>> SendaoYan has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Use UTIL_ARG_ENABLE instead of AC_ARG_ENABLE
>
> make/autoconf/flags-cflags.m4 line 996:
>
>> 994: AC_DEFUN([BPERF_SETUP_SVE],
>> 995: [
>> 996: UTIL_ARG_ENABLE(NAME: aarch64-sve, DEFAULT: auto,
>
> The idea with this macro is that you put the supported check and actions on
> enabled/disabled in the call and let it handle the logic. It shouldn't be
> moved to a separate macro. Also, macros defined in this file should have the
> `FLAGS` prefix, not `BPERF`.
I also want to put the put the supported check and actions on enabled/disabled
in the call previous. But I found that the configure will stuck at below
command:
++ /usr/bin/autoconf -W all -I/home/yansendao/git/jdk-ysd/make/autoconf -
The change like that:
diff --git a/make/autoconf/flags-cflags.m4 b/make/autoconf/flags-cflags.m4
index 97e37cc923b..96ea730e80a 100644
--- a/make/autoconf/flags-cflags.m4
+++ b/make/autoconf/flags-cflags.m4
@@ -940,6 +940,10 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
# ACLE and this flag are required to build the aarch64 SVE related functions
in
# libvectormath. Apple Silicon does not support SVE; use macOS as a proxy for
# that check.
+ UTIL_ARG_ENABLE(NAME: aarch64-sve, DEFAULT: auto,
+ RESULT: enable_aarch64_sve,
+ DESC: [Use SVE when compile libsleef])
+ AC_SUBST(enable_aarch64_sve)
if test "x$OPENJDK_TARGET_CPU" = "xaarch64" && test "x$OPENJDK_TARGET_OS" =
"xlinux"; then
if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
AC_LANG_PUSH(C)
@@ -991,14 +995,6 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
AC_SUBST($2SVE_CFLAGS)
])
-AC_DEFUN([BPERF_SETUP_SVE],
-[
- UTIL_ARG_ENABLE(NAME: aarch64-sve, DEFAULT: auto,
- RESULT: enable_aarch64_sve,
- DESC: [Use SVE when compile libsleef])
- AC_SUBST(enable_aarch64_sve)
-])
-
AC_DEFUN_ONCE([FLAGS_SETUP_BRANCH_PROTECTION],
[
# Is branch protection available?
I think I should find other solution later.
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/27073#discussion_r2328699427
