On Fri, 26 Mar 2021 14:59:14 GMT, Severin Gehwolf <sgehw...@openjdk.org> wrote:
>> The list of libraries doesn't seem to include xawt. Although I'd be >> astonished if it defined one since it links with awt. >> But it also suggests you are only looking at one platform and perhaps that >> is because the problem is very specific >> to your toolchain ? Actually why are you seeing it now and it has not been a >> problem before ? > >> The list of libraries doesn't seem to include xawt. > > Yes. This is in context of Graal VM's native images. AFAIK there is no full > xawt support yet. This is about the conflict of libawt and libjavajpeg. There > are probably more. > >> But it also suggests you are only looking at one platform and perhaps that >> is because the problem is very specific >> to your toolchain ? Actually why are you seeing it now and it has not been a >> problem before ? > > Yes. This is on Linux x86_64 and with an OpenJDK built with GCC 10+. With gcc > 10+ `-fno-common` is default: > https://gcc.gnu.org/gcc-10/porting_to.html > > So the `libjavajpeg.a`, and `libawt.a` got compiled with `-fno-common`. Then > when being linked into an executable together, the linker screams with this: > > > collect2: error: ld returned 1 exit status Probably it will be easy to remove this "jvm" variable in the jpeg library? Looks like it is used to call JNU_GetEnv, but the JNIEnv could be accessed from the first parameter of the jni method. ------------- PR: https://git.openjdk.java.net/jdk/pull/3155