From 9a2f5539ec1fa9110d64e629fe8aeecbc70cdf48 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 6 Oct 2015 19:49:53 +0000
Subject: [PATCH] For llvm/clang libraries, skip including tablegen-produced .d
 files when the target is "make depend".  This works around errors during
 incremental make depend of some clang libraries, for example "don't know how
 to make contrib/llvm/include/llvm/IR/IntrinsicsR600.td".

Reported by:	emaste
---
 lib/clang/clang.build.mk | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/clang/clang.build.mk b/lib/clang/clang.build.mk
index 1610a908928..acb09f51c54 100644
--- a/lib/clang/clang.build.mk
+++ b/lib/clang/clang.build.mk
@@ -247,9 +247,11 @@ Checkers.inc.h: ${CLANG_SRCS}/lib/StaticAnalyzer/Checkers/Checkers.td
 	    -I ${CLANG_SRCS}/include -d ${.TARGET:C/\.h$/.d/} -o ${.TARGET} \
 	    ${CLANG_SRCS}/lib/StaticAnalyzer/Checkers/Checkers.td
 
-.for dep in ${TGHDRS:C/$/.inc.d/}
-. sinclude "${dep}"
-.endfor
+.if !make(depend)
+. for dep in ${TGHDRS:C/$/.inc.d/}
+.  sinclude "${dep}"
+. endfor
+.endif
 
 SRCS+=		${TGHDRS:C/$/.inc.h/}
 DPSRCS+=	${TGHDRS:C/$/.inc.h/}