[oe] [meta-java][PATCH 2/2] openjdk-8-native: Fix sigsegv with gcc7

[Ricardo Ribalda Delgado]

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On Thu, Sep 7, 2017 at 10:51 AM, Ricardo Ribalda Delgado
<ricardo.ribalda at gmail.com> wrote:
> OpenJDK does not build properly with GCC7. Add the same workaround that
> we have for GCC6.
>
> Without this patch:
>
> | #
> | # A fatal error has been detected by the Java Runtime Environment:
> | #
> | #  SIGSEGV (0xb) at pc=0x00007fcad0efcd5b, pid=17206, tid=0x00007fcab264c700
> | #
> | # JRE version: OpenJDK Runtime Environment (8.0_102-b14) (build 1.8.0_102-internal-b14)
> | # Java VM: OpenJDK 64-Bit Server VM (25.102-b14 mixed mode linux-amd64 compressed oops)
> | # Problematic frame:
> | # V  [libjvm.so+0x78bd5b]  Node::Node(unsigned int)+0x2b
> | #
> | # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
> | #
> | # An error report file with more information is saved as:
> | # /home/ricardo/curro/qt5022/build-qt5022-pyro/build/tmp/work/x86_64-linux/openjdk-8-native/102b14-r0/build/hs_err_pid17206.log
> | [thread 140508549912320 also had an error]
> |
> | [error occurred during error reporting , id 0xb]
> |
> | #
> | # If you would like to submit a bug report, please visit:
> | #   http://bugreport.java.com/bugreport/crash.jsp
> | #
>
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda at gmail.com>
> ---
>  recipes-core/openjdk/openjdk-8-common.inc | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/recipes-core/openjdk/openjdk-8-common.inc b/recipes-core/openjdk/openjdk-8-common.inc
> index def779db4d59..0c5c2c3e3d2f 100644
> --- a/recipes-core/openjdk/openjdk-8-common.inc
> +++ b/recipes-core/openjdk/openjdk-8-common.inc
> @@ -218,10 +218,11 @@ EXTRA_OECONF_append = "\
>          --with-update-version=${OPENJDK_UPDATE_VERSION} \
>  "
>
> -# GCC 6 sets the default C++ standard to C++14 and introduces dead store
> -# elimination by default. OpenJDK 8 is not ready for either of these
> -# changes.
> +# Since v6, GCC sets the default C++ standard to C++14 and introduces
> +# dead store elimination by default. OpenJDK 8 is not ready for either
> +# of these changes.
>  FLAGS_GCC6 = "-fno-lifetime-dse -fno-delete-null-pointer-checks"
> +FLAGS_GCC7 = "-fno-lifetime-dse -fno-delete-null-pointer-checks"
>
>  # All supported cross compilers support the compiler flags that were
>  # added to make compilation with gcc6 work. But the host compiler for
> --
> 2.14.1
>



-- 
Ricardo Ribalda