svn commit: r294542 - head/gnu/lib/libgcc
Ed Maste
emaste at FreeBSD.org
Fri Jan 22 02:28:19 UTC 2016
Author: emaste
Date: Fri Jan 22 02:28:17 2016
New Revision: 294542
URL: https://svnweb.freebsd.org/changeset/base/294542
Log:
Remove old generated unwind.h when using LLVM libunwind
When not using LLVM libunwind, unwind.h is a generated header and a stale
copy may remain in the OBJDIR after enabling LLVM libunwind. Explicitly
remove it.
Reported by: bz
Reviewed by: bdrewery
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D5019
Modified:
head/gnu/lib/libgcc/Makefile
Modified: head/gnu/lib/libgcc/Makefile
==============================================================================
--- head/gnu/lib/libgcc/Makefile Fri Jan 22 02:23:18 2016 (r294541)
+++ head/gnu/lib/libgcc/Makefile Fri Jan 22 02:28:17 2016 (r294542)
@@ -193,7 +193,12 @@ LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:
.endif
COMMONHDRS= tm.h tconfig.h options.h gthr-default.h
-.if ${MK_LLVM_LIBUNWIND} == no
+.if ${MK_LLVM_LIBUNWIND} != "no"
+# unwind.h is a generated file when MK_LLVM_LIBUNWIND == "no", and a stale
+# copy may be left behind in OBJDIR when switching, so remove it explicitly.
+beforebuild:
+ @rm -f ${.OBJDIR}/unwind.h
+.else
COMMONHDRS+= unwind.h
.endif
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