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package/clang: fix build with gcc < 5.1

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Fixes:
http://autobuild.buildroot.net/results/dc2302844a1d274e63da72023b6fd7be993f97b7

Signed-off-by: Valentin Korenblit <valentinkorenblit@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Valentin Korenblit 2019-04-15 21:14:01 +02:00 committed by Thomas Petazzoni
parent 46cd706122
commit 45d9a2b5bf
1 changed files with 7 additions and 0 deletions
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7
package/clang/clang.mk
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@ -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