I have followed all recommended steps to build openJDK7 (openJDK build example) on my Ubuntu 12.04 instance, but i still fail on Java hotspot compilation with given error:
In file included from /home/ubuntu/openjdk-build-sandbox/openJDK7/hotspot/src/share/vm/prims/methodHandles.hpp:32:0,
from /home/ubuntu/openjdk-build-sandbox/openJDK7/hotspot/src/share/vm/ci/ciMethod.hpp:33,
from /home/ubuntu/openjdk-build-sandbox/openJDK7/hotspot/src/share/vm/code/debugInfoRec.hpp:30,
from /home/ubuntu/openjdk-build-sandbox/openJDK7/hotspot/src/share/vm/ci/ciEnv.hpp:31,
from /home/ubuntu/openjdk-build-sandbox/openJDK7/hotspot/src/share/vm/ci/ciUtilities.hpp:28,
from /home/ubuntu/openjdk-build-sandbox/openJDK7/hotspot/src/share/vm/ci/ciNullObject.hpp:30,
from /home/ubuntu/openjdk-build-sandbox/openJDK7/hotspot/src/share/vm/ci/ciConstant.hpp:29,
from /home/ubuntu/openjdk-build-sandbox/openJDK7/hotspot/src/share/vm/precompiled.hpp:36:
/home/ubuntu/openjdk-build-sandbox/openJDK7/hotspot/src/share/vm/runtime/interfaceSupport.hpp:430:0: error: "__LEAF" redefined [-Werror]
/usr/include/x86_64-linux-gnu/sys/cdefs.h:44:0: note: this is the location of the previous definition
cc1plus: all warnings being treated as errors
Any idea how to solve it?
This is a known error: https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/935346 (includes a fix).