* openjdk.java.net
* linux
* maybe insert $PATH on --with-tools-dir=
* darwinsys.com/file
* linux need to fix
* linux deps
* linux platform
* rename -> openjdk.org
* --with-tools-dir=
* cflags & cxxflags & ldflags
* cat ./config.log
* /bin
* clang
* JDK_DIR
* support dir
* correct JDK_DIR for linux