Replaces hardcoding of object file suffixes in make, to ensure they are always reliably set from a single place in autoconf.
------------- Commit messages: - Launcher.gmk - JvmMapfile.gmk - NativeCompilation.gmk Changes: https://git.openjdk.org/jdk/pull/10341/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10341&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8294006 Stats: 9 lines in 3 files changed: 0 ins; 0 del; 9 mod Patch: https://git.openjdk.org/jdk/pull/10341.diff Fetch: git fetch https://git.openjdk.org/jdk pull/10341/head:pull/10341 PR: https://git.openjdk.org/jdk/pull/10341
