> 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 ------------- Changes: - all: https://git.openjdk.java.net/jdk/pull/8420/files - new: https://git.openjdk.java.net/jdk/pull/8420/files/3d03e6d7..39031f5f Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8420&range=01 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8420&range=00-01 Stats: 4 lines in 1 file changed: 0 ins; 1 del; 3 mod Patch: https://git.openjdk.java.net/jdk/pull/8420.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/8420/head:pull/8420 PR: https://git.openjdk.java.net/jdk/pull/8420
