Building optimized JDK13 on Clear Linux

build.sh

# Reference
# - http://august.nagro.us/optimized-openjdk.html
# - https://hg.openjdk.java.net/jdk/jdk/raw-file/tip/doc/building.html#x11

# swupd bundle-add c-basic git openssh-client diffutils file which unzip zip java13-basic
# swupd bundle-add devpkg-libX11 devpkg-libXtst devpkg-libXrandr devpkg-libXt devpkg-libXrender
# swupd bundle-add dev-utils-dev # :(

# git clone git@github.com:openjdk/jdk.git
# git checkout jdk13-ga

FLAGS="-Ofast -march=native -mtune=skylake-avx512 -funroll-loops -fomit-frame-pointer -Wno-error=class-memaccess"



# TODO: dynamic libstdc++
# TODO: use system libraries rather

bash configure --with-jvm-variants=server --with-jvm-features=link-time-opt \
	--with-extra-cflags="${FLAGS}" \
	--with-extra-cxxflags="${FLAGS}"