On 5/8/20 6:56 AM, Adrian Bunk wrote:
> On Thu, May 07, 2020 at 02:28:06PM -0400, Claude Bing wrote:
>> Explicitly specifying -lrt is required for opcache to be linked against
>> the proper dependencies. Additionally, PHP disables libdl when it
>> detects a cross-compilation environment for some reason. In order to
>> load any type of extension, re-enabling libdl is required.
>> ...
>> +# link against librt (libc) if opcache is specified in order to avoid the
>> +# following error:
>> +# Failed loading
>> /usr/lib/php7/extensions/no-debug-non-zts-20190902/opcache.so:
>> /usr/lib/php7/extensions/no-debug-non-zts-20190902/opcache.so: undefined
>> symbol: shm_unlink
>> +LDFLAGS += "${@ " -lrt " if bb.utils.contains('PACKAGECONFIG', 'opcache',
>> 'true', 'false', d) else "" }"
>
> Is this actually a bug in 0001-opcache-config.m4-enable-opcache.patch
> and should instead be fixed there?
Yes, that does indeed fix the problem. Would you like me to reply to
this thread with a new patch, or create a different thread?
>
> - AC_DEFINE(HAVE_SHM_MMAP_POSIX, 1, [Define if you have POSIX mmap() SHM
> support])
> - AC_MSG_RESULT([yes])
> - PHP_CHECK_LIBRARY(rt, shm_unlink,
> [PHP_ADD_LIBRARY(rt,1,OPCACHE_SHARED_LIBADD)])
> + AC_DEFINE(HAVE_SHM_MMAP_POSIX, 1, [Define if you have POSIX mmap() SHM
> support])
>
> I would guess re-adding the PHP_CHECK_LIBRARY fixes your problem?
>
>> +# Adding these flags enables dynamic library support, which is disabled by
>> +# default when cross compiling
>> +# See https://bugs.php.net/bug.php?id=60109
>> +CFLAGS += " -DHAVE_LIBDL "
>> +LDFLAGS += " -ldl "
>> +
>> ...
>
> The linked PHP bug was closed in 2018 due to lack of feedback.
I have now added a comment to hopefully reopen the issue.
>
> cu
> Adrian
>
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