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Enable LLVM libunwind by default on amd64 and i386

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It is a maintained and updated runtime exception stack unwinder that
should be a drop-in replacement.

It can be disabled by setting WITHOUT_LLVM_LIBUNWIND in src.conf.

PR:		206039 [exp-run]
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Ed Maste 2016-07-27 16:01:44 +00:00
parent bf890e4877
commit 06b418173f
1 changed files with 6 additions and 3 deletions
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9
share/mk/src.opts.mk
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@ -235,15 +235,18 @@ __DEFAULT_NO_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC
# In-tree binutils/gcc are older versions without modern architecture support.
.if ${__T} == "aarch64" || ${__T} == "riscv64"
BROKEN_OPTIONS+=BINUTILS BINUTILS_BOOTSTRAP GCC GCC_BOOTSTRAP GDB
__DEFAULT_YES_OPTIONS+=LLVM_LIBUNWIND
.else
__DEFAULT_NO_OPTIONS+=LLVM_LIBUNWIND
.endif
.if ${__T} == "riscv64"
BROKEN_OPTIONS+=PROFILE # "sorry, unimplemented: profiler support for RISC-V"
BROKEN_OPTIONS+=TESTS # "undefined reference to `_Unwind_Resume'"
BROKEN_OPTIONS+=CXX # "libcxxrt.so: undefined reference to `_Unwind_Resume_or_Rethrow'"
.endif
.if ${__T} == "aarch64" || ${__T} == "amd64" || ${__T} == "i386" || \
${__T} == "riscv64"
__DEFAULT_YES_OPTIONS+=LLVM_LIBUNWIND
.else
__DEFAULT_NO_OPTIONS+=LLVM_LIBUNWIND
.endif
.if ${__T} == "aarch64" || ${__T} == "amd64"
__DEFAULT_YES_OPTIONS+=LLDB
.else