Author: dim
Date: Tue Aug 25 20:07:11 2020
New Revision: 364784
URL: https://svnweb.freebsd.org/changeset/base/364784
Log:
After r364423, which ensures the callbacks that dl_iterate_phdr(3)
performs are protected by an exclusive lock, even for statically linked
programs, it is safe to re-enable libunwind's FrameHeaderCache, which I
temporarily disabled in r364263.
Meanwhile upstream has also used the _LIBUNWIND_USE_FRAME_HEADER_CACHE
for this purpose, so the only thing needed is to add this as a
compile-time command line flag.
While here, reformat the CFLAGS lines a little bit.
MFC after: 6 weeks
X-MFC-With: r364284, r364423
Modified:
head/lib/libgcc_eh/Makefile.inc
Modified: head/lib/libgcc_eh/Makefile.inc
==============================================================================
--- head/lib/libgcc_eh/Makefile.inc Tue Aug 25 20:04:35 2020
(r364783)
+++ head/lib/libgcc_eh/Makefile.inc Tue Aug 25 20:07:11 2020
(r364784)
@@ -25,7 +25,10 @@ CFLAGS.${file}+= -fno-exceptions -funwind-tables
CXXFLAGS.${file}+= -fno-exceptions -funwind-tables
.endfor
-CFLAGS+= -I${UNWINDINCDIR} -I${.CURDIR} -D_LIBUNWIND_IS_NATIVE_ONLY
+CFLAGS+= -I${UNWINDINCDIR}
+CFLAGS+= -I${.CURDIR}
+CFLAGS+= -D_LIBUNWIND_IS_NATIVE_ONLY
+CFLAGS+= -D_LIBUNWIND_USE_FRAME_HEADER_CACHE
CXXFLAGS+= -fno-rtti
CXXSTD?= c++11
STATIC_CXXFLAGS+= -fvisibility=hidden -fPIC
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