libigl_Martin/tests/include/igl/cgal/CMakeLists.txt

# Check if CGAL is available
IF (DEFINED ENV{CGAL_PATH} AND NOT DEFINED ENV{CGAL_DIR})
    SET(CGAL_DIR $ENV{CGAL_PATH})
ENDIF (DEFINED ENV{CGAL_PATH} AND NOT DEFINED ENV{CGAL_DIR})
SET(CGAL_DONT_OVERRIDE_CMAKE_FLAGS TRUE CACHE BOOL
    "Disable CGAL from overwriting my cmake flags")
FIND_PACKAGE(CGAL QUIET)
INCLUDE(${CGAL_USE_FILE})

IF (CGAL_FOUND)
    FILE(GLOB TEST_SRC_FILES *.cpp main.cpp)
    FILE(GLOB TEST_INC_FILES *.h *.inl)

    ADD_EXECUTABLE(igl_cgal_tests ${TEST_SRC_FILES} ${TEST_INC_FILES})
    TARGET_LINK_LIBRARIES(igl_cgal_tests ${GTEST_BOTH_LIBRARIES} ${CGAL_LIBRARIES})
    ADD_CUSTOM_COMMAND(TARGET igl_cgal_tests POST_BUILD COMMAND igl_cgal_tests)
ENDIF (CGAL_FOUND)