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Revert r282483 - [cmake] Add linker option "-Wl,-z,defs" in standalone build 

Revert r282483 as it causes build failures due to missing symbols when
not linking to -lgcc_s (i.e. doing pure LLVM stack build). The patch can
be reintroduced when the build system is fixed to add all needed
libraries (libunwind, compiler-rt).

llvm-svn: 282524
This commit is contained in:
Michal Gorny 2016-09-27 18:54:02 +00:00
parent c37eb11f35
commit 0e40bee847
1 changed files with 0 additions and 12 deletions
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libcxx/CMakeLists.txt
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@ -319,18 +319,6 @@ remove_flags(-stdlib=libc++ -stdlib=libstdc++)
# so they don't get transformed into -Wno and -errors respectivly.
remove_flags(-Wno-pedantic -pedantic-errors -pedantic)
# FIXME: this is cribbed from HandleLLVMOptions.cmake.
if(LIBCXX_STANDALONE_BUILD)
# Pass -Wl,-z,defs. This makes sure all symbols are defined. Otherwise a DSO
# build might work on ELF but fail on MachO/COFF.
if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin" OR WIN32 OR CYGWIN OR
${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD" OR
${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD") AND
NOT LLVM_USE_SANITIZER)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,defs")
endif()
endif()
# Required flags ==============================================================
set(LIBCXX_STANDARD_VER c++11 CACHE INTERNAL "internal option to change build dialect")
add_compile_flags_if_supported(-std=${LIBCXX_STANDARD_VER})