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#
# CMake options
#
# CMake version
cmake_minimum_required(VERSION 3.10)
#
# Detect type of CMake setup
#
# Use PROJECT_IS_TOP_LEVEL once we bump the required CMake version up to 3.21
get_directory_property(GLBINDING_HAS_PARENT PARENT_DIRECTORY)
if(GLBINDING_HAS_PARENT)
set(GLBINDING_BUILD_AS_ROOT Off)
else()
set(GLBINDING_BUILD_AS_ROOT On)
endif()
#
# Configure CMake environment
#
# Register general cmake commands
include(cmake/Custom.cmake)
# Set policies
set_policy(CMP0054 NEW) # ENABLE CMP0054: Only interpret if() arguments as variables or keywords when unquoted.
set_policy(CMP0042 NEW) # ENABLE CMP0042: MACOSX_RPATH is enabled by default.
set_policy(CMP0063 NEW) # ENABLE CMP0063: Honor visibility properties for all target types.
set_policy(CMP0069 NEW) # ENABLE CMP0069: INTERPROCEDURAL_OPTIMIZATION is enforced when enabled.
set_policy(CMP0072 NEW) # ENABLE CMP0072: FindOpenGL prefers GLVND by default when available.
set_policy(CMP0077 NEW) # ENABLE CMP0077: option() honors normal variables.
# Include cmake modules
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
include(GenerateExportHeader)
set(WriterCompilerDetectionHeaderFound NOTFOUND)
# This module is only available with CMake >=3.1, so check whether it could be found
# BUT in CMake 3.1 this module doesn't recognize AppleClang as compiler, so just use it as of CMake 3.2
if (${CMAKE_VERSION} VERSION_GREATER "3.2")
include(WriteCompilerDetectionHeader OPTIONAL RESULT_VARIABLE WriterCompilerDetectionHeaderFound)
endif()
if (${CMAKE_VERSION} VERSION_GREATER "3.9")
include(CheckIPOSupported OPTIONAL RESULT_VARIABLE CheckIPOSupportedFound)
endif()
# Include custom cmake modules
include(cmake/GetGitRevisionDescription.cmake)
include(cmake/HealthCheck.cmake)
include(cmake/GenerateTemplateExportHeader.cmake)
#
# Project description and (meta) information
#
# Meta information about the project
set(META_PROJECT_NAME "glbinding")
set(META_PROJECT_DESCRIPTION "A C++ binding for the OpenGL API, generated using the gl.xml specification.")
set(META_AUTHOR_ORGANIZATION "CG Internals GmbH")
set(META_AUTHOR_DOMAIN "https://github.com/cginternals/glbinding/")
set(META_AUTHOR_MAINTAINER "opensource@cginternals.com")
set(META_VERSION_MAJOR "3")
set(META_VERSION_MINOR "3")
set(META_VERSION_PATCH "0")
set(META_VERSION_REVISION "${GIT_REV}")
set(META_VERSION "${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH}")
set(META_NAME_VERSION "${META_PROJECT_NAME} v${META_VERSION} (${META_VERSION_REVISION})")
set(META_CMAKE_INIT_SHA "c472829f01df4c99c7bd3fa96bcf6854b3dd44f1")
string(MAKE_C_IDENTIFIER ${META_PROJECT_NAME} META_PROJECT_ID)
string(TOUPPER ${META_PROJECT_ID} META_PROJECT_ID)
#
# Project configuration options
#
# Project options
option(BUILD_SHARED_LIBS "Build shared instead of static libraries." ON)
option(OPTION_SELF_CONTAINED "Create a self-contained install with all dependencies." OFF)
option(OPTION_BUILD_TESTS "Build tests." OFF)
option(OPTION_BUILD_DOCS "Build documentation." OFF)
option(OPTION_BUILD_TOOLS "Build tools." ON)
option(OPTION_BUILD_EXAMPLES "Build examples." ON)
option(OPTION_BUILD_WITH_BOOST_THREAD "Use boost::thread instead of std::thread." OFF)
option(OPTION_BUILD_CHECK "Enable source code check targets" OFF)
option(OPTION_BUILD_OWN_KHR_HEADERS "Build and deploy glbinding with in-source KHR headers." OFF)
option(OPTION_BUILD_WITH_LTO "Build with Link-time Optimization (may break AppleClang)" OFF)
option(OPTION_USE_GIT_INFORMATION "Fetches commit information from the git source repository" ON)
#
# Declare project
#
# Generate folders for IDE targets (e.g., VisualStudio solutions)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
set(IDE_FOLDER "")
# Declare project
project(${META_PROJECT_NAME} C CXX)
# Get git revision
if (OPTION_USE_GIT_INFORMATION AND GLBINDING_BUILD_AS_ROOT)
get_git_head_revision(GIT_REFSPEC GIT_SHA1)
string(SUBSTRING "${GIT_SHA1}" 0 12 GIT_REV)
if(NOT GIT_SHA1)
set(GIT_REV "0")
endif()
else()
set(GIT_SHA1 "")
set(GIT_REV "0")
endif()
# Set output directories
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
# Create version file
file(WRITE "${PROJECT_BINARY_DIR}/VERSION" "${META_NAME_VERSION}")
#
# Compiler settings and options
#
include(cmake/CompileOptions.cmake)
#
# Project Health Check Setup
#
# Add cmake-init template check cmake targets
add_check_template_target(${META_CMAKE_INIT_SHA})
# Configure health check tools
if(OPTION_BUILD_CHECK)
enable_cppcheck(On)
enable_clang_tidy(On)
endif()
#
# Deployment/installation setup
#
# Get project name
set(project ${META_PROJECT_NAME})
# Check for system dir install
set(SYSTEM_DIR_INSTALL FALSE)
if("${CMAKE_INSTALL_PREFIX}" STREQUAL "/usr" OR "${CMAKE_INSTALL_PREFIX}" STREQUAL "/usr/local")
set(SYSTEM_DIR_INSTALL TRUE)
endif()
# Installation paths
if(UNIX AND SYSTEM_DIR_INSTALL)
include(GNUInstallDirs)
# Install into the system (/usr/bin or /usr/local/bin)
set(INSTALL_ROOT "share/${project}") # /usr/[local]/share/<project>
set(INSTALL_CMAKE "${CMAKE_INSTALL_LIBDIR}/cmake/${project}") # /usr/[local]/lib/<arch>/cmake/<project>
set(INSTALL_EXAMPLES "share/${project}") # /usr/[local]/share/<project>
set(INSTALL_DATA "share/${project}") # /usr/[local]/share/<project>
set(INSTALL_BIN "bin") # /usr/[local]/bin
set(INSTALL_SHARED "${CMAKE_INSTALL_LIBDIR}") # /usr/[local]/lib/<arch>
set(INSTALL_LIB "${CMAKE_INSTALL_LIBDIR}") # /usr/[local]/lib/<arch>
set(INSTALL_INCLUDE "include") # /usr/[local]/include
set(INSTALL_DOC "share/doc/${project}") # /usr/[local]/share/doc/<project>
set(INSTALL_SHORTCUTS "share/applications") # /usr/[local]/share/applications
set(INSTALL_ICONS "share/pixmaps") # /usr/[local]/share/pixmaps
set(INSTALL_INIT "/etc/init") # /etc/init (upstart init scripts)
else()
# Install into local directory
set(INSTALL_ROOT ".") # ./
set(INSTALL_CMAKE "cmake") # ./cmake
set(INSTALL_EXAMPLES ".") # ./
set(INSTALL_DATA ".") # ./
set(INSTALL_BIN ".") # ./
set(INSTALL_SHARED "lib") # ./lib
set(INSTALL_LIB "lib") # ./lib
set(INSTALL_INCLUDE "include") # ./include
set(INSTALL_DOC "doc") # ./doc
set(INSTALL_SHORTCUTS "misc") # ./misc
set(INSTALL_ICONS "misc") # ./misc
set(INSTALL_INIT "misc") # ./misc
endif()
# Set runtime path
set(CMAKE_SKIP_BUILD_RPATH FALSE) # Add absolute path to all dependencies for BUILD
set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE) # Use CMAKE_INSTALL_RPATH for INSTALL
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH FALSE) # Do NOT add path to dependencies for INSTALL
if(NOT SYSTEM_DIR_INSTALL)
# Find libraries relative to binary
if(APPLE)
set(EXECUTABLE_INSTALL_RPATH "@loader_path/../../../${INSTALL_LIB}")
set(LIBRARY_INSTALL_RPATH "@loader_path/../../../${INSTALL_LIB}")
else()
set(EXECUTABLE_INSTALL_RPATH "$ORIGIN/${INSTALL_LIB}")
set(LIBRARY_INSTALL_RPATH "$ORIGIN")
endif()
endif()
#
# Project modules
#
add_subdirectory(source)
add_subdirectory(docs)
add_subdirectory(deploy)
#
# Deployment (global project files)
#
# Install version file
install(FILES "${PROJECT_BINARY_DIR}/VERSION" DESTINATION ${INSTALL_ROOT} COMPONENT runtime)
# Install cmake find script for the project
install(FILES ${META_PROJECT_NAME}-config.cmake DESTINATION ${INSTALL_CMAKE} COMPONENT dev)
install(FILES cmake/FindKHR.cmake DESTINATION ${INSTALL_CMAKE} COMPONENT dev)
# Install the project meta files
install(FILES AUTHORS DESTINATION ${INSTALL_ROOT} COMPONENT runtime)
install(FILES LICENSE DESTINATION ${INSTALL_ROOT} COMPONENT runtime)
install(FILES README.md DESTINATION ${INSTALL_ROOT} COMPONENT runtime)
# Install runtime data
if (TARGET cubescape OR TARGET cubescape-log OR TARGET cubescape-qt)
install(DIRECTORY ${PROJECT_SOURCE_DIR}/data DESTINATION ${INSTALL_DATA} COMPONENT examples_data)
endif()
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