Re: Build libc++ and libc++abi with -nostdinc++

[Philip Guenther]

On Mon, Sep 19, 2016 at 2:40 AM, Mark Kettenis  wrote:
>> Date: Sun, 18 Sep 2016 00:12:19 +0200 (CEST)
>> From: Mark Kettenis 
>>
>> Without this, they don't build with clang++ because it tries to use
>> the installed headers.  Doesn't hurt building with eg++.
>>
>> ok?

Makes sense.  ok guenther@

Build libc++ and libc++abi with -nostdinc++

[Mark Kettenis]

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 -   1.1
+++ lib/libcxx/Makefile 17 Sep 2016 22:09:30 -
@@ -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 -   1.1
+++ lib/libcxxabi/Makefile  17 Sep 2016 22:09:30 -
@@ -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