On Thu, 28 Apr 2022 07:27:36 GMT, Pengfei Li <p...@openjdk.org> wrote:
>> We are trying to cross build a RISC-V version of OpenJDK. We specified >> `--openjdk-target=riscv64-linux-gnu` after `bash configure` but got an >> error message. >> >> >> configure: error: /usr/bin/bash >> /home/ent-user/jdk_src/make/autoconf/build-aux/config.sub riscv64-linux-gnu >> failed >> configure exiting with result code 1 >> >> >> It shows the processing of `riscv64-linux-gnu` in script `config.sub` >> fails. We see `config.sub` calls another script `autoconf-config.sub` >> to validate and canonicalize a configuration type. The validation fails >> here because `autoconf-config.sub` is a quite old version and has no >> RISC-V support inside. Comments in those scripts tell us patching the >> autoconf script is not a good idea so we add a fix in `config.sub` in >> this patch. >> >> We have verified RISC-V cross build succeeds after this change. As we >> are not quite familiar with the build system, please let us know if this >> is the best way to fix. > > Pengfei Li has updated the pull request incrementally with one additional > commit since the last revision: > > Address comments Marked as reviewed by fjiang (Author). ------------- PR: https://git.openjdk.java.net/jdk/pull/8420