From 96fe1018edf63337c4deb7f8fc501cc3701f1fe2 Mon Sep 17 00:00:00 2001
From: Dmitry Sedov <d.sedov@bergmann-infotech.de>
Date: Thu, 10 Feb 2022 11:11:49 +0300
Subject: [PATCH] implemented the minimal build version

---
 cmake/CMakeLists.txt | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index fea3a0b9b8..527a7446f0 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -38,7 +38,7 @@ MESSAGE(STATUS "Autodesk 3ds Max SDK found at ${max_sdk}")
 set(HAS_MAX TRUE)
 endif()
 endforeach()
-
+OPTION(MINIMAL_BUILD "The build is to make a minimal version of IFC converter from OCCT into IFC." ON)
 OPTION(COLLADA_SUPPORT "Build IfcConvert with COLLADA support (requires OpenCOLLADA)." ON)
 OPTION(IFCXML_SUPPORT "Build IfcParse with ifcXML support (requires libxml2)." ON)
 OPTION(ENABLE_BUILD_OPTIMIZATIONS "Enable certain compiler and linker optimizations on RelWithDebInfo and Release builds." OFF)
@@ -121,6 +121,7 @@ ENDMACRO()
 
 UNIFY_ENVVARS_AND_CACHE(OCC_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(OCC_LIBRARY_DIR)
+if (NOT MINIMAL_BUILD)
 UNIFY_ENVVARS_AND_CACHE(OPENCOLLADA_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(OPENCOLLADA_LIBRARY_DIR)
 UNIFY_ENVVARS_AND_CACHE(LIBXML2_INCLUDE_DIR)
@@ -130,17 +131,20 @@ UNIFY_ENVVARS_AND_CACHE(PYTHON_EXECUTABLE)
 UNIFY_ENVVARS_AND_CACHE(HDF5_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(HDF5_LIBRARY_DIR)
 UNIFY_ENVVARS_AND_CACHE(HDF5_LIBRARIES)
+endif()
 UNIFY_ENVVARS_AND_CACHE(BOOST_ROOT)
 UNIFY_ENVVARS_AND_CACHE(BOOST_LIBRARYDIR)
 
+if (NOT MINIMAL_BUILD)
 UNIFY_ENVVARS_AND_CACHE(CGAL_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(CGAL_LIBRARY_DIR)
 UNIFY_ENVVARS_AND_CACHE(GMP_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(GMP_LIBRARY_DIR)
 UNIFY_ENVVARS_AND_CACHE(MPFR_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(MPFR_LIBRARY_DIR)
+endif()
 
-if (GLTF_SUPPORT AND BUILD_CONVERT)
+if (NOT MINIMAL_BUILD AND GLTF_SUPPORT AND BUILD_CONVERT)
 UNIFY_ENVVARS_AND_CACHE(JSON_INCLUDE_DIR)
 FIND_FILE(json_hpp "json.hpp" ${JSON_INCLUDE_DIR}/nlohmann)
 IF(json_hpp)
@@ -201,10 +205,12 @@ if(USE_MMAP)
     add_definitions(-DUSE_MMAP)
 endif()
 
+if (NOT MINIMAL_BUILD)
 # libxml2 is required for IFCXML (optional) and SVGFILL (mandatory)
-find_package(LibXml2 REQUIRED)
+  find_package(LibXml2 REQUIRED)
+endif()
 
-if (IFCXML_SUPPORT)
+if (NOT MINIMAL_BUILD AND IFCXML_SUPPORT)
     add_definitions(-DWITH_IFCXML)
 	set(SWIG_DEFINES ${SWIG_DEFINES} -DWITH_IFCXML)
 endif()
@@ -346,7 +352,7 @@ endif()
 
 endif(BUILD_IFCGEOM)
 
-IF(COLLADA_SUPPORT)
+IF(NOT MINIMAL_BUILD AND COLLADA_SUPPORT)
 	# Find OpenCOLLADA
 	IF("${OPENCOLLADA_INCLUDE_DIR}" STREQUAL "")
 		MESSAGE(STATUS "No OpenCOLLADA include directory specified")
@@ -426,7 +432,7 @@ IF(COLLADA_SUPPORT)
 	ENDIF()
 ENDIF()
 
-if(HDF5_SUPPORT)
+if(NOT MINIMAL_BUILD AND HDF5_SUPPORT)
     IF("${HDF5_INCLUDE_DIR}" STREQUAL "")
 		MESSAGE(STATUS "No HDF5 include directory specified")
 	ElSE()
@@ -774,7 +780,7 @@ INSTALL(TARGETS IfcConvert
 endif(BUILD_CONVERT)
 
 # IfcGeomServer
-if(BUILD_GEOMSERVER)
+if(NOT MINIMAL_BUILD AND BUILD_GEOMSERVER)
 
 file(GLOB CPP_FILES ../src/ifcgeomserver/*.cpp)
 file(GLOB H_FILES ../src/ifcgeomserver/*.h)
@@ -828,7 +834,7 @@ IF(BUILD_DOCUMENTATION)
 	ADD_SUBDIRECTORY(../docs docs)
 ENDIF()
 
-IF(BUILD_IFCPYTHON)
+IF(NOT MINIMAL_BUILD AND BUILD_IFCPYTHON)
 	ADD_SUBDIRECTORY(../src/ifcwrap ifcwrap)
 ENDIF()
 
@@ -836,11 +842,12 @@ IF(BUILD_EXAMPLES)
 	ADD_SUBDIRECTORY(../src/examples examples)
 ENDIF()
 
-IF(BUILD_IFCMAX)
+IF(NOT MINIMAL_BUILD AND BUILD_IFCMAX)
 	ADD_SUBDIRECTORY(../src/ifcmax ifcmax)
 ENDIF()
-
+if (NOT MINIMAL_BUILD)
 ADD_SUBDIRECTORY(../src/svgfill svgfill)
+endif()
 
 # CMake installation targets
 INSTALL(FILES ${IFCPARSE_H_FILES}