# As of January 2023 we require CMake 3.16.3

# see https://forum.freecad.org/viewtopic.php?f=10&t=72173

# for further info why

cmake_minimum_required(VERSION 3.16.3 FATAL_ERROR)

# policy CMP0072 was introduced with CMake 3.11

# relates to FindOpenGL module

# and cache variables OPENGL_gl_LIBRARY, OPENGL_glu_LIBRARY

if (POLICY CMP0072)

set(OpenGL_GL_PREFERENCE LEGACY)

endif(POLICY CMP0072)

# FindPythonInterp and FindPythonLibs modules are deprecated.

# Currently, they are still used by shiboken's CMake files

if (POLICY CMP0148)

cmake_policy(SET CMP0148 OLD)

endif()

option(FREECAD_USE_CCACHE "Auto detect and use ccache during compilation" ON)

if(FREECAD_USE_CCACHE)

find_program(CCACHE_PROGRAM ccache) #This check should occur before project()

if(CCACHE_PROGRAM)

set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")

endif()

endif()

project(FreeCAD)

set(PACKAGE_VERSION_NAME "Vulcan")

set(PACKAGE_VERSION_MAJOR "0")

set(PACKAGE_VERSION_MINOR "22")

set(PACKAGE_VERSION_PATCH "0") # number of patch release (e.g. "4" for the 0.18.4 release)

set(PACKAGE_VERSION_SUFFIX "dev") # either "dev" for development snapshot or "" (empty string)

set(PACKAGE_BUILD_VERSION "0") # used when the same FreeCAD version will be re-released (for example using an updated LibPack)

set(PACKAGE_VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}.${PACKAGE_VERSION_PATCH}")

set(PACKAGE_STRING "${PROJECT_NAME} ${PACKAGE_VERSION}")

# include local modules

include(CheckCXXCompilerFlag)

include(AddFileDependencies)

include(cMake/FreeCadMacros.cmake)

# include helper functions/macros

add_subdirectory(cMake/FreeCAD_Helpers)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cMake")

CompilerChecksAndSetups()

ConfigureCMakeVariables()

InitializeFreeCADBuildOptions()

CheckInterModuleDependencies()

FreeCADLibpackChecks()

SetupDoxygen()

SetupLibFmt()

SetupYamlCpp()

if(NOT FREECAD_LIBPACK_USE OR FREECAD_LIBPACK_CHECKFILE_CLBUNDLER OR FREECAD_LIBPACK_CHECKFILE_VERSION)

SetupPython()

SetupPCL()

SetupPybind11()

SetupXercesC()

find_package(ZLIB REQUIRED)

find_package(PyCXX REQUIRED)

SetupOpenCasCade()

if(BUILD_GUI)

# Do this before the check for SMESH because it depends on vtk

# that may have its own OpenGL check but possibly fails and leaves

# OPENGL_gl_LIBRARY empty that results into linker errors

SetupOpenGL()

endif(BUILD_GUI)

SetupBoost()

SetupSalomeSMESH()

if (BUILD_FEM_NETGEN)

find_package(NETGEN)

endif(BUILD_FEM_NETGEN)

# not needed at the moment

#find_package(OpenCV REQUIRED)

SetupSwig()

SetupEigen()

# This file is included directly due to some cMake macros that are defined within.

# If these macro definitions are embedded within another macro, it causes problems.

include(cMake/FreeCAD_Helpers/SetupQt.cmake)

SetupFreetype()

if(BUILD_GUI)

SetupCoin3D()

SetupSpaceball()

SetupShibokenAndPyside()

SetupMatplotlib()

endif(BUILD_GUI)

endif()

if(BUILD_VR)

find_package(Rift)

endif(BUILD_VR)

SetLibraryVersions()

SetGlobalCompilerAndLinkerSettings()

add_subdirectory(src)

add_subdirectory(data)

BuildAndInstallDesignerPlugin()

CreatePackagingTargets()

if(MSVC AND FREECAD_LIBPACK_USE AND LIBPACK_FOUND)

CopyLibpackDirectories()

endif()

if (ENABLE_DEVELOPER_TESTS)

include(CTest)

enable_testing()

add_subdirectory(tests)

endif()

PrintFinalReport()

message("\n=================================================\n"

"Now run 'cmake --build ${CMAKE_BINARY_DIR}' to build ${PROJECT_NAME}\n"

"=================================================\n")