I need to build the following openJDK
git clone --depth 1 --branch jdk-11+28 https://github.com/openjdk/jdk.git
For that I run:
cd make/devkit
make TARGETS="aarch64-linux-gnu" BASE_OS=Fedora BASE_OS_VERSION=21 &>build.log
And got following error
Building on platform x86_64-unknown-linux-gnu
host_platforms x86_64-unknown-linux-gnu
target_platforms x86_64-unknown-linux-gnu
find: ‘/media/katya/e947f05e-bd8f-4647-bbdd-0df608faa788/openjdk11/jdk/build/devkit/result/x86_64-unknown-linux-gnu’: No such file or directory
Building compilers for x86_64-unknown-linux-gnu
Targets: x86_64-unknown-linux-gnu
for p in x86_64-unknown-linux-gnu ; do \
make -f Tools.gmk download-rpms HOST=x86_64-unknown-linux-gnu BUILD=x86_64-unknown-linux-gnu RESULT=/media/katya/e947f05e-bd8f-4647-bbdd-0df608faa788/openjdk11/jdk/build/devkit/result PREFIX=/media/katya/e947f05e-bd8f-4647-bbdd-0df608faa788/openjdk11/jdk/build/devkit/result/x86_64-unknown-linux-gnu OUTPUT_ROOT=/media/katya/e947f05e-bd8f-4647-bbdd-0df608faa788/openjdk11/jdk/build/devkit TARGET=$p && \
make -f Tools.gmk all HOST=x86_64-unknown-linux-gnu BUILD=x86_64-unknown-linux-gnu RESULT=/media/katya/e947f05e-bd8f-4647-bbdd-0df608faa788/openjdk11/jdk/build/devkit/result PREFIX=/media/katya/e947f05e-bd8f-4647-bbdd-0df608faa788/openjdk11/jdk/build/devkit/result/x86_64-unknown-linux-gnu OUTPUT_ROOT=/media/katya/e947f05e-bd8f-4647-bbdd-0df608faa788/openjdk11/jdk/build/devkit \
TARGET=$p || exit 1 ; \
done
make[1]: Entering directory '/media/katya/e947f05e-bd8f-4647-bbdd-0df608faa788/openjdk11/jdk/make/devkit'
TARGET=x86_64-unknown-linux-gnu
HOST=x86_64-unknown-linux-gnu
BUILD=x86_64-unknown-linux-gnu
ARCH=x86_64
Tools.gmk:66: *** Unknown base OS Fedora. Stop.
make[1]: Leaving directory '/media/katya/e947f05e-bd8f-4647-bbdd-0df608faa788/openjdk11/jdk/make/devkit'
Makefile:86: recipe for target 'x86_64-unknown-linux-gnu' failed
make: *** [x86_64-unknown-linux-gnu] Error 1
Host OS is Ubuntu 16.04.7 LTS (Xenial Xerus). Please tell me what am I doing wrong? Where can I submit a bug report about openjdk11, or discuss this issue?