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DIRDEPS_BUILD: Avoid cyclic dependency with libc++.

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The DIRDEPS_BUILD does not have a 'make includes' phase, so it would
otherwise want libc++ to be fully built/staged before building
libgcc.  Using the header directly works.

MFC after:	3 days
Sponsored by:	EMC / Isilon Storage Division
This commit is contained in:
Bryan Drewery 2016-08-31 19:30:00 +00:00
parent e1ec67bbc9
commit 790ba09ec6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=305145
1 changed files with 4 additions and 0 deletions
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4
gnu/lib/libgcc/Makefile
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@ -95,6 +95,10 @@ CXXFLAGS+= -std=c++11
.endif
CXXFLAGS+= -fno-rtti
STATIC_CXXFLAGS+= -fvisibility=hidden -fPIC
.if ${MK_DIRDEPS_BUILD} == "yes"
# Avoid dependency on lib/libc++
CFLAGS+= -I${SRCTOP}/contrib/libc++/include
.endif
.else # MK_LLVM_LIBUNWIND