[src/trunk]: src/external/apache2/llvm/lib/libclangAST Build libclangAST with...

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/275820e165e4
branches:  trunk
changeset: 465316:275820e165e4
user:      joerg <joerg%NetBSD.org@localhost>
date:      Sat Nov 16 15:51:26 2019 +0000

description:
Build libclangAST with -O1 when the host compiler is GCC 7 to avoid
miscompiles.

diffstat:

 external/apache2/llvm/lib/libclangAST/Makefile |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (20 lines):

diff -r cfa64c28784b -r 275820e165e4 external/apache2/llvm/lib/libclangAST/Makefile
--- a/external/apache2/llvm/lib/libclangAST/Makefile    Sat Nov 16 15:50:45 2019 +0000
+++ b/external/apache2/llvm/lib/libclangAST/Makefile    Sat Nov 16 15:51:26 2019 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.1 2019/11/11 22:45:14 joerg Exp $
+#      $NetBSD: Makefile,v 1.2 2019/11/16 15:51:26 joerg Exp $
 
 LIB=   clangAST
 
@@ -112,6 +112,10 @@
 
 .if defined(HOSTLIB)
 .include <bsd.hostlib.mk>
+BAD_GCC_VERSION!=      case `${HOST_CXX} --version 2> /dev/null` in [cg]++*7.4*) echo yes ;; *) echo no ;; esac
+.  if ${BAD_GCC_VERSION} == "yes"
+HOST_CXXFLAGS+=        -O0
+.  endif
 .else
 .include <bsd.lib.mk>
 .endif