CMakeLists.txt

#  Cypress_example -- Example on how to use cypress as external project
#  Copyright (C) 2018  Andreas Stöckel, Christoph Ostrau
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.

# CMake version and project metadata
cmake_minimum_required(VERSION 3.0)
project(cypress_example LANGUAGES CXX)

# Add the local "cmake" directory to the search path
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)

# Enable C++14 support
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++14")

# Enable all warnings on MSVC and GCC/Clang/Intel
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
	if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
		string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
	else()
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
	endif()
elseif(("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") OR
		("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") OR
		("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel"))
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic")
endif()

# Set a default build type
if(NOT CMAKE_BUILD_TYPE)
	set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
endif()

# Add configuration option for static linking
set(STATIC_LINKING FALSE CACHE BOOL "True for static linking")

# Link statically
if(STATIC_LINKING)
	SET(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
	SET(BUILD_SHARED_LIBRARIES OFF)
	if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
        SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libstdc++ -Wl,--no-export-dynamic")
        SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -s -Wl,--no-export-dynamic")
    else()
        SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libstdc++")
        SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -s")
    endif()
endif()

# Include the Cypress library
include(cypress_external)


# Compile the actual executable
add_executable(simple source/simple)
add_dependencies(simple cypress_ext)
target_link_libraries(simple 
	${CYPRESS_LIBRARY})