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compilerplugins: -isystem /usr/include breaks the build

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... on Fedora 24, and it's a Bad Idea in general because it breaks
"#include_next" ordering of GCC's and glibc's variously distributed
headers.

Change-Id: I0c8b51a6d7191ec9cc5187636ea2717e8fd97715
This commit is contained in:
Michael Stahl 2016-06-29 22:34:02 +02:00
parent 71bf7daf53
commit 11f69994b0
1 changed files with 2 additions and 1 deletions
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3
compilerplugins/Makefile-clang.mk
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@ -25,7 +25,8 @@ CLANGCXXFLAGS=-O2 -Wall -Wextra -Wundef -g
# Clang headers require these.
CLANGDEFS=-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -fno-rtti
# All include locations needed.
CLANGINCLUDES=-isystem $(CLANGDIR)/include -isystem $(CLANGDIR)/tools/clang/include
CLANGINCLUDES=$(if $(filter /usr,$(CLANGDIR)),,-isystem $(CLANGDIR)/include) \
-isystem $(CLANGDIR)/tools/clang/include
# Clang/LLVM libraries are intentionally not linked in, they are usually built as static libraries, which means the resulting
# plugin would be big (even though the clang binary already includes it all) and it'd be necessary to explicitly specify