Without this, they don't build with clang++ because it tries to use
the installed headers. Doesn't hurt building with eg++.
ok?
Index: lib/libcxx/Makefile
===================================================================
RCS file: /cvs/src/lib/libcxx/Makefile,v
retrieving revision 1.1
diff -u -p -r1.1 Makefile
--- lib/libcxx/Makefile 4 Sep 2016 12:48:33 -0000 1.1
+++ lib/libcxx/Makefile 17 Sep 2016 22:09:30 -0000
@@ -41,7 +41,7 @@ SRCS+= algorithm.cpp\
CPPFLAGS+= -DLIBCXXABI -I${HDRDIR} \
-DLIBCXX_BUILDING_LIBCXXABI -I${AHDRDIR} -I${UHDRDIR}
-CXXFLAGS+= -nostdlib
+CXXFLAGS+= -nostdlib -nostdinc++
.if empty(CXXFLAGS:M-std=*)
CXXFLAGS+= -std=c++11
.endif
Index: lib/libcxxabi/Makefile
===================================================================
RCS file: /cvs/src/lib/libcxxabi/Makefile,v
retrieving revision 1.1
diff -u -p -r1.1 Makefile
--- lib/libcxxabi/Makefile 4 Sep 2016 12:48:34 -0000 1.1
+++ lib/libcxxabi/Makefile 17 Sep 2016 22:09:30 -0000
@@ -39,7 +39,7 @@ SRCS+= abort_message.cpp\
libunwind.cpp
CPPFLAGS+= -I${SHDRDIR} -I${HDRDIR} -I${UHDRDIR}
-CXXFLAGS+= -nostdlib -funwind-tables
+CXXFLAGS+= -nostdlib -nostdinc++ -funwind-tables
.if empty(CXXFLAGS:M-std=*)
CXXFLAGS+= -std=c++11
.endif
