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# Original Author(s) of this File:
# Daniel Keefe, 2017, University of Minnesota
#
# Author(s) of Significant Updates/Modifications to the File:
# ...
# You are encouraged to copy this example, move it outside of the MinGfx directory, and use
# it as a starting point for your project. When you do this, you'll have to edit the
# following line as needed to point to the MinGfx install prefix used on your system.
# !!!!!!!!!!!!! EDIT THE FOLLOWING LINE AS NEEDED !!!!!!!!!!!!!
list(APPEND CMAKE_PREFIX_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../build/install ../..)
#### BASIC PROJECT SETUP ####
project(example)
# Using 3.9 to get a modern version of FindOpenGL.cmake
cmake_minimum_required (VERSION 3.9)
# Dependencies that are auto-downloaded, built, and installed for you will go in the
# directory pointed to by the CMAKE_INSTALL_PREFIX. It defaults to a location inside
# the build directory.
if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT OR "${CMAKE_INSTALL_PREFIX}" STREQUAL "")
set (CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "default install path" FORCE )
endif()
# Add to paths cmake uses to search for scripts, modules, and config packages
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_INSTALL_PREFIX})
list(INSERT CMAKE_PREFIX_PATH 0 ${CMAKE_INSTALL_PREFIX})
include(MessageMacros)
h1("Building ${PROJECT_NAME}")
h2("Configuring paths")
message(STATUS "Module path: ${CMAKE_MODULE_PATH}")
message(STATUS "Prefix path: ${CMAKE_PREFIX_PATH}")
message(STATUS "Install prefix: ${CMAKE_INSTALL_PREFIX}")
set(DATA_DIR_BUILD ${CMAKE_CURRENT_SOURCE_DIR}/data)
set(DATA_DIR_INSTALL ${CMAKE_INSTALL_PREFIX}/share/${PROJECT_NAME}/data)
message(STATUS "Data dir (in build tree): ${DATA_DIR_BUILD}")
message(STATUS "Data dir (in install tree): ${DATA_DIR_INSTALL}")
set(SHADERS_DIR_BUILD ${CMAKE_CURRENT_SOURCE_DIR}/shaders)
set(SHADERS_DIR_INSTALL ${CMAKE_INSTALL_PREFIX}/share/${PROJECT_NAME}/shaders)
message(STATUS "Shaders dir (in build tree): ${SHADERS_DIR_BUILD}")
message(STATUS "Shaders dir (in install tree): ${SHADERS_DIR_INSTALL}")
# Configure a header file to pass some of the CMake settings to the source code
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
${CMAKE_CURRENT_SOURCE_DIR}/config.h
)
#### SOURCE FOR THIS PROJECT ####
h2("Configuring source files")
set(SOURCEFILES
example.cc
main.cc
)
set(HEADERFILES
config.h
example.h
)
set(EXTRAFILES
README.md
)
set(SHADERFILES
)
set_source_files_properties(${EXTRAFILES} PROPERTIES HEADER_FILE_ONLY TRUE)
set_source_files_properties(${SHADERFILES} PROPERTIES HEADER_FILE_ONLY TRUE)
source_group("Shaders" FILES ${SHADERFILES})
#### COMPILE OPTIONS ####
h2("Configuring Compiler Options")
message(STATUS "Building for " ${CMAKE_SYSTEM_NAME} ".")
# Linux specific
if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
add_definitions(-DLINUX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
endif()
# Apple specific
if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
add_definitions(-DOSX)
# RPATH settings, see https://cmake.org/Wiki/CMake_RPATH_handling
set(CMAKE_MACOSX_RPATH ON)
# use, i.e. don't skip the full RPATH for the build tree
SET(CMAKE_SKIP_BUILD_RPATH FALSE)
# when building, don't use the install RPATH already
# (but later on when installing)
SET(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
# add the automatically determined parts of the RPATH
# which point to directories outside the build tree to the install RPATH
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
# the RPATH to be used when installing, but only if it's not a system directory
LIST(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
IF("${isSystemDir}" STREQUAL "-1")
SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
ENDIF("${isSystemDir}" STREQUAL "-1")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
endif()
# Windows specific
if (WIN32)
add_definitions(-DWIN32)
if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
message(FATAL_ERROR
"You must use the 64 bit version of the compiler. Be sure to set the correct generator when configuring through CMake.")
endif()
endif()
#### DEFINE TARGET(S) ####
h2("Defining Target(s)")
add_executable(${PROJECT_NAME} ${SOURCEFILES} ${HEADERFILES} ${EXTRAFILES} ${SHADERFILES})
#### FIND AND ADD DEPENDENCIES ####
h2("Adding Dependencies")
set(EXTERNAL_DIR external)
# MinGfx (linked with an imported cmake target so no need to specify include dirs)
# This will try to find MinGfxConfig.cmake, which should have been installed under
# CMAKE_INSTALL_PREFIX/lib/cmake/MinGfx when you installed the MinGfx Toolkit.
find_package(MinGfx REQUIRED)
target_link_libraries(${PROJECT_NAME} PUBLIC MinGfx::MinGfx)
# Add dependency on OpenGL
include(UseOpenGL)
UseOpenGL(${PROJECT_NAME} PUBLIC ${EXTERNAL_DIR})
#### INSTALL TARGET(S) ####
h2("Configuring Install Target")
# The install locations are relative to the CMAKE_INSTALL_PREFIX variable
install(TARGETS ${PROJECT_NAME} RUNTIME DESTINATION bin)
install(
DIRECTORY data/
DESTINATION ${DATA_DIR_INSTALL}
OPTIONAL
)
install(
DIRECTORY shaders/
DESTINATION ${SHADERS_DIR_INSTALL}
OPTIONAL
)
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