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cmake: add option to use system rapidjson if exists

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This commit is contained in:
Fangrui Song 2019-03-08 22:46:43 -08:00
parent 9ca095f49e
commit 478f849ada
1 changed files with 10 additions and 3 deletions
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13
CMakeLists.txt
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@ -7,6 +7,7 @@ include(DefaultCMakeBuildType)
# Required Clang version
option(LLVM_ENABLE_RTTI "-fno-rtti if OFF. This should match LLVM libraries" OFF)
option(USE_SHARED_LLVM "Link against libLLVM.so instead separate LLVM{Option,Support,...}" OFF)
option(USE_SYSTEM_RAPIDJSON "Use system RapidJSON instead of the git submodule if exists" ON)
# Sources for the executable are specified at end of CMakeLists.txt
add_executable(ccls "")
@ -95,9 +96,15 @@ target_compile_definitions(ccls PRIVATE
### Includes
target_include_directories(ccls PRIVATE src)
target_include_directories(ccls SYSTEM PRIVATE
third_party
third_party/rapidjson/include)
target_include_directories(ccls SYSTEM PRIVATE third_party)
if(USE_SYSTEM_RAPIDJSON)
find_package(RapidJSON QUIET)
endif()
if(NOT RapidJSON_FOUND)
set(RapidJSON_INCLUDE_DIRS third_party/rapidjson/include)
endif()
target_include_directories(ccls SYSTEM PRIVATE ${RapidJSON_INCLUDE_DIRS})
### Install