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Option to let clang use libc++.

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This commit is contained in:
Chao Shen 2018-05-07 11:16:32 +08:00
parent 990d10a605
commit 78bf7c395e
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1 changed files with 9 additions and 0 deletions
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9
CMakeLists.txt
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@ -11,6 +11,7 @@ set(CLANG_DOWNLOAD_LOCATION ${CMAKE_BINARY_DIR}
option(SYSTEM_CLANG "Use system installation of Clang instead of \ option(SYSTEM_CLANG "Use system installation of Clang instead of \
downloading Clang" OFF) downloading Clang" OFF)
option(ASAN "Compile with address sanitizers" OFF) option(ASAN "Compile with address sanitizers" OFF)
option(CLANG_USE_BUNDLED_LIBC++ "Let Clang use bundled libc++" OFF)
# Sources for the executable are specified at end of CMakeLists.txt # Sources for the executable are specified at end of CMakeLists.txt
add_executable(ccls "") add_executable(ccls "")
@ -81,6 +82,14 @@ if(NOT SYSTEM_CLANG)
download_and_extract_clang(${CLANG_VERSION} ${CLANG_DOWNLOAD_LOCATION}) download_and_extract_clang(${CLANG_VERSION} ${CLANG_DOWNLOAD_LOCATION})
# Used by FindClang # Used by FindClang
set(CLANG_ROOT ${DOWNLOADED_CLANG_DIR}) set(CLANG_ROOT ${DOWNLOADED_CLANG_DIR})
if(CLANG_USE_BUNDLED_LIBC++)
target_compile_options(ccls PRIVATE -stdlib=libc++)
target_link_libraries(ccls PRIVATE ${CLANG_ROOT}/lib/libc++.a
${CLANG_ROOT}/lib/libc++abi.a
${CLANG_ROOT}/lib/libc++experimental.a)
endif()
else() else()
message(STATUS "Using system Clang") message(STATUS "Using system Clang")
endif() endif()