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CMakeLists.txt
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CMakeLists.txt
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# Copyright (c) <year> <author> (<email>)
# Distributed under the MIT License.
# See accompanying file LICENSE.md or copy at http://opensource.org/licenses/MIT
cmake_minimum_required(VERSION 2.6)
# Check if project name has been specified correctly.
PROJECT(Raytrace)
if((NOT PROJECT_NAME))
message(FATAL_ERROR "Project name must be specified!")
endif ((NOT PROJECT_NAME))
if(${PROJECT_NAME} MATCHES " ")
message(FATAL_ERROR "Project name cannot contain spaces!")
endif(${PROJECT_NAME} MATCHES " ")
# Change this section to correspond with your project info.
project(${PROJECT_NAME} C CXX)
set(${CMAKE_PROJECT_NAME}_SUMMARY "${PROJECT_SUMMARY} Raytracing engine to practice programming and math.")
set(${CMAKE_PROJECT_NAME}_VENDOR_NAME "${PROJECT_VENDOR_NAME} Zitar")
set(${CMAKE_PROJECT_NAME}_VENDOR_CONTACT "${PROJECT_VENDOR_CONTACT} [email protected]")
set(${CMAKE_PROJECT_NAME}_VERSION_MAJOR 0)
set(${CMAKE_PROJECT_NAME}_VERSION_MINOR 1)
set(${CMAKE_PROJECT_NAME}_VERSION_PATCH 1)
set(PROJECT_VERSION
"${${CMAKE_PROJECT_NAME}_VERSION_MAJOR}.${${CMAKE_PROJECT_NAME}_VERSION_MINOR}.${${CMAKE_PROJECT_NAME}_VERSION_PATCH}")
set(PROJECT_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_PATH}/cmake/Modules")
set(INCLUDE_PATH "${PROJECT_PATH}/include")
set(SRC_PATH "${PROJECT_PATH}/src")
set(TEST_SRC_PATH "${PROJECT_PATH}/test")
if(NOT EXTERNAL_PATH)
set(EXTERNAL_PATH "${PROJECT_PATH}/external")
endif(NOT EXTERNAL_PATH)
if(NOT DOXYGEN_PATH)
set(DOXYGEN_PATH "${PROJECT_PATH}/doxydocs")
endif(NOT DOXYGEN_PATH)
if(NOT DOCS_PATH)
set(DOCS_PATH "${PROJECT_PATH}/docs")
endif(NOT DOCS_PATH)
set(LIB_PATH "${PROJECT_BINARY_DIR}/lib")
set(LIB_NAME "${PROJECT_NAME}")
set(BIN_PATH "${PROJECT_BINARY_DIR}/bin")
set(MAIN_NAME "${PROJECT_NAME}_main")
set(TEST_PATH "${PROJECT_BINARY_DIR}/test")
set(TEST_NAME "test_${PROJECT_NAME}")
OPTION(BUILD_MAIN "Build main function" ON)
OPTION(BUILD_DOXYGEN_DOCS "Build docs" OFF)
OPTION(BUILD_TESTS "Build tests" OFF)
OPTION(BUILD_DEPENDENCIES "Force build of dependencies" OFF)
include(CMakeDependentOption)
CMAKE_DEPENDENT_OPTION(BUILD_COVERAGE_ANALYSIS "Build code coverage analysis" OFF
"BUILD_TESTS" OFF)
# Set CMake build-type. If it not supplied by the user, the default built type is "Release".
if(((NOT CMAKE_BUILD_TYPE)
AND (NOT BUILD_COVERAGE_ANALYSIS))
OR (CMAKE_BUILD_TYPE STREQUAL "Release"))
message(STATUS "WARNING: building release version!")
set(CMAKE_BUILD_TYPE Release)
elseif((CMAKE_BUILD_TYPE STREQUAL "Debug") OR (BUILD_COVERAGE_ANALYSIS))
message(STATUS "WARNING: building debug version!")
endif(((NOT CMAKE_BUILD_TYPE)
AND (NOT BUILD_COVERAGE_ANALYSIS))
OR (CMAKE_BUILD_TYPE STREQUAL "Release"))
# Set platform-specific compiler flags.
if(WIN32)
if(MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc /Ox /W3 /FC -D_SCL_SECURE_NO_WARNINGS")
# We need to force MSVC to use static runtime:
# (from http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace).
foreach(flag_var
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
# Find all dynamic runtime (MD) references and replace with static (MT)
if(${flag_var} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endif(${flag_var} MATCHES "/MD")
endforeach(flag_var)
else(MSVC)
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -Wall -Woverloaded-virtual -Wold-style-cast -Wnon-virtual-dtor")
endif(MSVC)
else(WIN32)
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -Wall -Woverloaded-virtual -Wold-style-cast -Wnon-virtual-dtor")
endif(WIN32)
if(CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g3")
set(CMAKE_CXX_FLAGS_RELEASE "-O3")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
endif(CMAKE_COMPILER_IS_GNUCXX)
include(Dependencies.cmake)
include(ProjectFiles.cmake)
include_directories(AFTER "${INCLUDE_PATH}")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIB_PATH})
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIB_PATH})
add_library(${LIB_NAME} ${SRC})
find_package(PNG REQUIRED)
find_package(Threads REQUIRED)
if(BUILD_MAIN)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${BIN_PATH})
add_executable(${MAIN_NAME} ${MAIN_SRC})
target_link_libraries(${MAIN_NAME} ${LIB_NAME} Threads::Threads PNG::PNG)
endif(BUILD_MAIN)
if(BUILD_DOXYGEN_DOCS)
find_package(Doxygen)
if(NOT DOXYGEN_FOUND)
message(FATAL_ERROR
"Doxygen is needed to build the documentation. Please make sure it is installed.")
endif(NOT DOXYGEN_FOUND)
configure_file(${PROJECT_PATH}/Doxyfile.in
${PROJECT_BINARY_DIR}/Doxyfile @ONLY IMMEDIATE)
# Add a custom target to run Doxygen whenever the project is built.
# If you do NOT want the documentation to be generated EVERY time you build the project
# then leave out the 'ALL' keyword from the command below.
add_custom_target(doxygen_docs ALL COMMAND ${DOXYGEN_EXECUTABLE}
${PROJECT_BINARY_DIR}/Doxyfile
SOURCES ${PROJECT_BINARY_DIR}/Doxyfile)
endif(BUILD_DOXYGEN_DOCS)
if(BUILD_TESTS)
enable_testing()
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${TEST_PATH})
add_executable(${TEST_NAME} ${TEST_SRC})
if(NOT CATCH_FOUND)
add_dependencies(${TEST_NAME} catch-lib)
endif(NOT CATCH_FOUND)
target_link_libraries(${TEST_NAME} ${LIB_NAME})
add_test(NAME ${TEST_NAME} COMMAND "${TEST_PATH}/${TEST_NAME}")
if(BUILD_COVERAGE_ANALYSIS)
include(CodeCoverage)
set(COVERAGE_EXTRACT '${PROJECT_PATH}/include/*' '${PROJECT_PATH}/src/*')
setup_target_for_coverage(coverage "${TEST_NAME}" coverage)
endif(BUILD_COVERAGE_ANALYSIS)
endif(BUILD_TESTS)
# Install header files and library.
# Destination is set by CMAKE_INSTALL_PREFIX and defaults to usual locations, unless overridden by
# user.
install(DIRECTORY ${INCLUDE_PATH}/${CMAKE_PROJECT_NAME}
DESTINATION include
FILES_MATCHING PATTERN "*.hpp")
install(TARGETS ${LIB_NAME} DESTINATION lib)
install(TARGETS ${BIN_NAME} DESTINATION bin)
# Set up packager.
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${CMAKE_PROJECT_NAME}")
set(CPACK_PACKAGE_VENDOR "${CMAKE_PROJECT_NAME}_VENDOR_NAME")
set(CPACK_PACKAGE_DESCRIPTION_FILE "${PROJECT_PATH}/README.md")
set(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_PATH}/LICENSE.md")
set(CPACK_PACKAGE_VERSION_MAJOR "${${CMAKE_PROJECT_NAME}_VERSION_MAJOR}")
set(CPACK_PACKAGE_VERSION_MINOR "${${CMAKE_PROJECT_NAME}_VERSION_MINOR}")
set(CPACK_PACKAGE_VERSION_PATCH "${${CMAKE_PROJECT_NAME}_VERSION_PATCH}")
set(CPACK_PACKAGE_INSTALL_DIRECTORY "${CMAKE_PROJECT_NAME}")
if(WIN32 AND NOT UNIX)
# There is a bug in NSI that does not handle full unix paths properly. Make
# sure there is at least one set of four (4) backlasshes.
set(CPACK_NSIS_DISPLAY_NAME "${CPACK_PACKAGE_INSTALL_DIRECTORY}")
set(CPACK_NSIS_CONTACT "${CMAKE_PROJECT_NAME}_VENDOR_CONTACT")
set(CPACK_NSIS_MODIFY_PATH ON)
else(WIN32 AND NOT UNIX)
endif(WIN32 AND NOT UNIX)
include(CPack)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_CXX_STANDARD 11)