From 45d9a2b5bfe4feb144990ab4aa68eb03091e9a64 Mon Sep 17 00:00:00 2001 From: Valentin Korenblit Date: Mon, 15 Apr 2019 21:14:01 +0200 Subject: [PATCH] package/clang: fix build with gcc < 5.1 Fixes: http://autobuild.buildroot.net/results/dc2302844a1d274e63da72023b6fd7be993f97b7 Signed-off-by: Valentin Korenblit Signed-off-by: Thomas Petazzoni --- package/clang/clang.mk | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/package/clang/clang.mk b/package/clang/clang.mk index 6dda8ac2c3..0cab1c7f89 100644 --- a/package/clang/clang.mk +++ b/package/clang/clang.mk @@ -15,6 +15,13 @@ CLANG_INSTALL_STAGING = YES HOST_CLANG_DEPENDENCIES = host-llvm host-libxml2 CLANG_DEPENDENCIES = llvm host-clang +# LLVM >= 9.0 will soon require C++14 support, building llvm 8.x using a +# toolchain using gcc < 5.1 gives an error but actually still works. Setting +# this option makes it still build with gcc >= 4.8. +# https://reviews.llvm.org/D57264 +HOST_CLANG_CONF_OPTS += -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON +CLANG_CONF_OPTS += -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON + # This option is needed, otherwise multiple shared libs # (libclangAST.so, libclangBasic.so, libclangFrontend.so, etc.) will # be generated. As a final shared lib containing all these components