mehdi_amini added a comment.
What about the following logic?
if(BOOTSTRAP_LLVM_ENABLE_LLD)
add_dependencies(clang-bootstrap-deps lld)
endif()
if(APPLE)
# on Darwin we need to set DARWIN_LTO_LIBRARY so that -flto will work
# using the just-built compiler, and we need to override DYLD_LIBRARY_PATH
# so that the host object file tools will use the just-built libLTO.
# However if System Integrity Protection is enabled the DYLD variables
# will be scrubbed from the environment of any base system commands. This
# includes /bin/sh, which ninja uses when executing build commands. To
# work around the envar being filtered away we pass it in as a CMake
# variable, and have LLVM's CMake append the envar to the archiver calls.
set(LTO_LIBRARY
-DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib
-DDYLD_LIBRARY_PATH=${LLVM_LIBRARY_OUTPUT_INTDIR})
elseif(NOT WIN32)
add_dependencies(clang-bootstrap-deps llvm-ar llvm-ranlib)
if(NOT LLVM_ENABLE_LLD AND LLVM_BINUTILS_INCDIR)
add_dependencies(clang-bootstrap-deps LLVMgold)
endif()
set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
endif()
endif()
I'm not even sure why we don't use `llvm-ar` and `llvm-ranlib` on OSX by the
way, this makes the logic more complicated here, but there might be a good
reason for that.
Repository:
rL LLVM
https://reviews.llvm.org/D26649
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