RFR: 8312425: [vectorapi] AArch64: Optimize vector math operations with SLEEF [v5]

[Andrew Haley]

On Fri, 1 Dec 2023 01:13:37 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

>> make/autoconf/lib-sleef.m4 line 56:
>> 
>>> 54:         AC_MSG_CHECKING([for the specified LIBSLEEF])
>>> 55:         if test -e ${with_libsleef}/lib/libsleef.so &&
>>> 56:            test -e ${with_libsleef}/include/sleef.h; then
>> 
>> This fails on my system because libsleef is in `/usr/local/lib64/`. This is the correct place to look according to the Linux FHS. You should _not_ hard-code `/lib`
>
> Did you try to find the libsleef by passing `--with-libsleef=` ? Currently `--with-libsleef=` can only work for people manually built from sleef source code.

Yes. It still failed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16234#discussion_r1411877145