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CMakeLists.txt
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CMakeLists.txt
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find_package(OpenGL)
if(OpenGL_FOUND)
find_package(GLUT)
if(NOT GLUT_FOUND)
message("FreeGLUT library will be downloaded and built.")
include(ExternalProject)
ExternalProject_Add (
FREEGLUT-PRJ
URL https://github.com/FreeGLUTProject/freeglut/releases/download/v3.2.2/freeglut-3.2.2.tar.gz
URL_MD5 485c1976165315fc42c0b0a1802816d9
CMAKE_GENERATOR ${CMAKE_GENERATOR}
CMAKE_GENERATOR_TOOLSET ${CMAKE_GENERATOR_TOOLSET}
CMAKE_GENERATOR_PLATFORM ${CMAKE_GENERATOR_PLATFORM}
CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release
-DFREEGLUT_BUILD_SHARED_LIBS=OFF
-DFREEGLUT_BUILD_STATIC_LIBS=ON
-DFREEGLUT_BUILD_DEMOS=OFF
PREFIX ${CMAKE_CURRENT_BINARY_DIR}/freeglut
# BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/freeglut-build
# BUILD_IN_SOURCE ON
# UPDATE_COMMAND ""
INSTALL_COMMAND ""
# CONFIGURE_COMMAND ""
# BUILD_COMMAND ""
)
ExternalProject_Get_Property(FREEGLUT-PRJ SOURCE_DIR)
ExternalProject_Get_Property(FREEGLUT-PRJ BINARY_DIR)
set(FREEGLUT_BIN_DIR ${BINARY_DIR})
set(FREEGLUT_SRC_DIR ${SOURCE_DIR})
# add_library(libfreeglut STATIC IMPORTED)
# set_target_properties(libfreeglut PROPERTIES IMPORTED_LOCATION ${FREEGLUT_BIN_DIR})
# set(FREEGLUT_BUILD_DEMOS OFF CACHE BOOL "")
# set(FREEGLUT_BUILD_SHARED_LIBS OFF CACHE BOOL "")
# set(FREEGLUT_BUILD_STATIC_LIBS ON CACHE BOOL "")
# add_subdirectory(${FREEGLUT_SRC_DIR} ${FREEGLUT_BIN_DIR} EXCLUDE_FROM_ALL)
# add_subdirectory(${BINARY_DIR})
# find_package(FreeGLUT)
endif(NOT GLUT_FOUND)
else(OpenGL_FOUND)
message(WARNING "OPENGL not found. Will not build graphical outputs.")
endif(OpenGL_FOUND)
# If necessary, use the RELATIVE flag, otherwise each source file may be listed
# with full pathname. RELATIVE may makes it easier to extract an executable name
# automatically.
file( GLOB APP_SOURCES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp )
# file( GLOB APP_SOURCES ${CMAKE_SOURCE_DIR}/*.c )
# AUX_SOURCE_DIRECTORY(${CMAKE_CURRENT_SOURCE_DIR} APP_SOURCES)
foreach( testsourcefile ${APP_SOURCES} )
# I used a simple string replace, to cut off .cpp.
string( REPLACE ".cpp" "" testname ${testsourcefile} )
add_executable( ${testname} ${testsourcefile} )
set_target_properties(${testname} PROPERTIES LINKER_LANGUAGE CXX)
if(OpenMP_CXX_FOUND)
target_link_libraries(${testname} PRIVATE OpenMP::OpenMP_CXX)
endif()
if(OpenGL_FOUND)
if(NOT GLUT_FOUND)
add_dependencies(${testname} FREEGLUT-PRJ)
target_compile_definitions(${testname} PRIVATE FREEGLUT_STATIC)
target_include_directories(${testname} PRIVATE ${FREEGLUT_SRC_DIR}/include)
target_link_directories(${testname} PRIVATE ${FREEGLUT_BIN_DIR}/lib)
target_link_libraries(${testname} PRIVATE OpenGL::GL)
target_link_libraries(${testname} INTERFACE FREEGLUT-PRJ)
# target_include_directories(${testname} PRIVATE ${FREEGLUT_INCLUDE_DIRS})
# target_link_libraries(${testname} INTERFACE freeglut_static)
else()
target_include_directories(${testname} PRIVATE ${GLUT_INCLUDE_DIRS})
target_link_libraries(${testname} PRIVATE OpenGL::GL ${GLUT_LIBRARIES})
endif()
target_compile_definitions(${testname} PRIVATE USE_GLUT)
endif(OpenGL_FOUND)
if(APPLE)
target_compile_options(${testname} PRIVATE -Wno-deprecated)
endif(APPLE)
install(TARGETS ${testname} DESTINATION "bin/graphics")
endforeach( testsourcefile ${APP_SOURCES} )