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updated cmake snippet in documentation

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Wenzel Jakob 2015-12-07 18:24:43 +01:00
parent ecdd868956
commit f1532bd31c
1 changed files with 10 additions and 3 deletions
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docs/cmake.rst
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@ -29,14 +29,21 @@ and that the pybind11 repository is located in a subdirectory named :file:`pybin
set(Python_ADDITIONAL_VERSIONS 3.4 3.5 3.6) set(Python_ADDITIONAL_VERSIONS 3.4 3.5 3.6)
find_package(PythonLibs ${EXAMPLE_PYTHON_VERSION} REQUIRED) find_package(PythonLibs ${EXAMPLE_PYTHON_VERSION} REQUIRED)
if (UNIX) if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
# Enable C++11 mode # Enable C++11 mode on C++ / Clang
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
# Enable link time optimization and set the default symbol # Enable link time optimization and set the default symbol
# visibility to hidden (very important to obtain small binaries) # visibility to hidden (very important to obtain small binaries)
if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG) if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -flto") # Default symbol visibility
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
# Check for Link Time Optimization support
CHECK_CXX_COMPILER_FLAG("-flto" HAS_LTO_FLAG)
if (HAS_LTO_FLAG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto")
endif()
endif() endif()
endif() endif()