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automatically add -ffriend-injection, -fno-strict-aliasing, -lX11 as required for LEDA

This commit is contained in:
Alexander Kobel 2012-10-04 12:07:42 +00:00
parent c06f84d4db
commit d3d82afd4a
1 changed files with 17 additions and 0 deletions
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17
Installation/cmake/modules/CGAL_UseLEDA.cmake
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@ -22,6 +22,23 @@ if ( LEDA_FOUND AND NOT LEDA_SETUP )
link_libraries( ${LEDA_LIBRARIES} )
endif()
if ( CMAKE_COMPILER_IS_GNUCXX )
get_dependency_version (GCC)
if ( NOT "${GCC_VERSION}" VERSION_LESS "4.1" )
message( STATUS "Using LEDA with gcc version 4.1 or later. Adding -ffriend-injection" )
uniquely_add_flags (CMAKE_CXX_FLAGS "-ffriend-injection")
endif()
if ( NOT "${GCC_VERSION}" VERSION_LESS "4.4" )
message( STATUS "Using LEDA with gcc version 4.4 or later. Adding -fno-strict-aliasing" )
uniquely_add_flags (CMAKE_CXX_FLAGS "-fno-strict-aliasing")
endif()
if ( UNIX )
message( STATUS "Using LEDA with gcc on *nix. Adding -lX11" )
uniquely_add_flags( CMAKE_SHARED_LINKER_FLAGS "-lX11" )
uniquely_add_flags( CMAKE_MODULE_LINKER_FLAGS "-lX11" )
endif()
endif()
uniquely_add_flags( CMAKE_CXX_FLAGS ${LEDA_CXX_FLAGS} )
uniquely_add_flags( CMAKE_SHARED_LINKER_FLAGS ${LEDA_LINKER_FLAGS} )
uniquely_add_flags( CMAKE_MODULE_LINKER_FLAGS ${LEDA_LINKER_FLAGS} )