CMakeLists.txt

cmake_minimum_required(VERSION 3.0)
set(PROJECT_NAME_STR runs)
project(${PROJECT_NAME_STR} CXX)

set(BUILD_SHARED_LIBS True)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
find_package(GSL REQUIRED)

# set(CMAKE_CXX_STANDARD 11)
# set(CMAKE_CXX_STANDARD_REQUIRED ON)

if (CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-long-long -pedantic")
  add_compile_options(-std=c++11)
else()
  message(FATAL_ERROR "Unsupported compiler ${CMAKE_CXX_COMPILER_ID}")
endif()

find_package(OpenMP)
if(OPENMP_FOUND)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
  # https://cmake.org/Bug/view.php?id=9075
  # http://stackoverflow.com/questions/24532853/how-to-add-linker-flag-for-libraries-with-cmake
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${OpenMP_CXX_FLAGS}")
endif()

if(MSVC)
    #vc 2012 fix for vararg templates
    set(MSVC_COMPILER_DEFS "-D_VARIADIC_MAX=10")
endif()

# following https://github.com/snikulov/google-test-examples/blob/master/CMakeLists.txt

#-------------------
# set common include folder for module
#-------------------
set(COMMON_INCLUDES ${PROJECT_SOURCE_DIR}/include)
set(EXT_PROJECTS_DIR ${PROJECT_SOURCE_DIR}/ext)

add_subdirectory(${EXT_PROJECTS_DIR}/gtest)


#-------------------
# Module source
#-------------------
set(PROJECT_LIB_NAME ${PROJECT_NAME_STR})

include_directories(${COMMON_INCLUDES})
file(GLOB SRC_FILES ${PROJECT_SOURCE_DIR}/src/*.cxx)
file(GLOB HEADER_FILES ${COMMON_INCLUDES}/*.h)
add_library(${PROJECT_LIB_NAME} ${SRC_FILES})
target_link_libraries(${PROJECT_LIB_NAME} ${GSL_LIBRARIES})

#-------------------
# Installation
#-------------------
install(TARGETS ${PROJECT_LIB_NAME} DESTINATION lib)
install(FILES ${HEADER_FILES} DESTINATION include)

#-------------------
# Test
#-------------------
add_definitions(${MSVC_COMPILER_DEFS})
enable_testing()

set(PROJECT_TEST_NAME ${PROJECT_NAME_STR}_test)
include_directories(${GTEST_INCLUDE_DIRS} ${COMMON_INCLUDES})

file(GLOB TEST_SRC_FILES ${PROJECT_SOURCE_DIR}/test/*_TEST.cxx)
add_executable(${PROJECT_TEST_NAME} ${TEST_SRC_FILES})
add_dependencies(${PROJECT_TEST_NAME} googletest)

if(NOT WIN32 OR MINGW)
    target_link_libraries(${PROJECT_TEST_NAME}
        ${GTEST_LIBS_DIR}/libgtest.a
        ${GTEST_LIBS_DIR}/libgtest_main.a
        )
else()
    target_link_libraries(${PROJECT_TEST_NAME}
        debug ${GTEST_LIBS_DIR}/DebugLibs/${CMAKE_FIND_LIBRARY_PREFIXES}gtest${CMAKE_FIND_LIBRARY_SUFFIXES}
        optimized ${GTEST_LIBS_DIR}/ReleaseLibs/${CMAKE_FIND_LIBRARY_PREFIXES}gtest${CMAKE_FIND_LIBRARY_SUFFIXES}
        )
    target_link_libraries(${PROJECT_TEST_NAME}
        debug ${GTEST_LIBS_DIR}/DebugLibs/${CMAKE_FIND_LIBRARY_PREFIXES}gtest_main${CMAKE_FIND_LIBRARY_SUFFIXES}
        optimized ${GTEST_LIBS_DIR}/ReleaseLibs/${CMAKE_FIND_LIBRARY_PREFIXES}gtest_main${CMAKE_FIND_LIBRARY_SUFFIXES}
        )
endif()

target_link_libraries(${PROJECT_TEST_NAME} ${PROJECT_LIB_NAME} ${CMAKE_THREAD_LIBS_INIT})

add_test(test1 ${PROJECT_TEST_NAME})