On Fri, 2 Dec 2022 13:39:28 GMT, Magnus Ihse Bursie <[email protected]> wrote:
>> I changed GCC toolchain from GCC6 to GCC8 on SLES12SP5 Linux s390x. >> I could see following errors: >> >> src/java.desktop/share/native/libawt/awt/medialib/awt_ImagingLib.c: In >> function 'allocateRasterArray': >> src/java.desktop/share/native/libawt/awt/medialib/awt_ImagingLib.c:2944:73: >> error: 'roff[3]' may be used uninitialized in this function >> [-Werror=maybe-uninitialized] >> (((*inP&rasterP->sppsm.maskArray[c]) >> roff[c]) >> ~~~~^~~ >> >> >> According to error messages, >> roff and loff may not be initialized. > > Just because you get a compilation error does not mean the issue belongs with > the build group. This is just about the source code in AWT, so the > client-libs team will handle this review. > > That being said, I did have a look at the code and I think they might be > skeptical. There seems to be no inherent s390x change here, rather the > compiler you are using seem to be a bit trigger-happy on this analysis. > > Also, both gcc 6 and 8 are incredibly old. Gcc 6 is from 2016, and gcc 8 is > from 2018. I would recommend you get a newer gcc version instead, or > possibly build with `--disable-warnings-as-errors`. Thanks @magicus . `--disable-warnings-as-errors` option worked fine as expected ------------- PR: https://git.openjdk.org/jdk/pull/11475
