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Force BOOST_PP_VARIADIC for clang

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Current clang has full support for all variadic macro feature required
by Boost.Preprocessor. However, older Boost turned off variadic feature
for clang by default, probably because clang was broken at that time. It
should be safe to turn it on now.
This commit is contained in:
Zheng, Lei 2017-01-29 19:01:10 +00:00
parent c4b599d691
commit fb5b69cdec
1 changed files with 7 additions and 0 deletions
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7
CMakeLists.txt
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@ -98,6 +98,13 @@ if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
endif()
endif(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
if(CMAKE_COMPILER_IS_CLANGXX)
# older boost.preprocessor turn off variadics for clang
add_definitions(-DBOOST_PP_VARIADICS=1)
message(STATUS "Force BOOST_PP_VARIADICS=1 for clang")
endif()
# ================================================================================
# Output directories for install target