In order to build an arm64 kernel with clang <6.0, we need to work around LLVM bug 30792 by using -mno-implicit-float instead of -mgeneral-regs-only. This patch set adds macros for checking clang version, and enable the workaround only for affected compiler versions. Greg Hackmann (1): arm64: use -mno-implicit-float instead of -mgeneral-regs-only Sami Tolvanen (2): kbuild: add clang-version.sh kbuild: add cc-if-name-version and compiler-specific variants arch/arm64/Makefile | 5 ++++- scripts/Kbuild.include | 31 +++++++++++++++++++++++++++++++ scripts/clang-version.sh | 33 +++++++++++++++++++++++++++++++++ 3 files changed, 68 insertions(+), 1 deletion(-) create mode 100755 scripts/clang-version.sh -- 2.15.0.417.g466bffb3ac-goog -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html