Added option to install resource folder (#1419)

Added an option in the CMake file which toggles the installation of resources if the renderer is built and the user wants to install the resources.

CMakeLists.txt

@@ -49,6 +49,7 @@ option(MATERIALX_BUILD_TESTS "Build unit tests." ON)
 option(MATERIALX_BUILD_SHARED_LIBS "Build MaterialX libraries as shared rather than static." OFF)
 option(MATERIALX_PYTHON_LTO "Enable link-time optimizations for MaterialX Python." ON)
 option(MATERIALX_INSTALL_PYTHON "Install the MaterialX Python package as a third-party library when the install target is built." ON)
+option(MATERIALX_INSTALL_RESOURCES "Install the resources folder when building render modules." ON)
 option(MATERIALX_TEST_RENDER "Run rendering tests for MaterialX Render module. GPU required for graphics validation." ON)
 option(MATERIALX_WARNINGS_AS_ERRORS "Interpret all compiler warnings as errors." OFF)
 option(MATERIALX_DYNAMIC_ANALYSIS "Build MaterialX libraries with dynamic analysis on supporting platforms." OFF)
@@ -276,7 +277,9 @@ if(MATERIALX_BUILD_RENDER)
     if(MATERIALX_BUILD_GRAPH_EDITOR)
         add_subdirectory(source/MaterialXGraphEditor)
     endif()
-    add_subdirectory(resources)
+    if(MATERIALX_INSTALL_RESOURCES)
+        add_subdirectory(resources)
+    endif()
 endif()
 
 # Add test subdirectory

cmake/modules/MaterialXConfig.cmake.in

@@ -22,6 +22,8 @@ set_and_check(MATERIALX_STDLIB_DIR "@PACKAGE_CMAKE_INSTALL_PREFIX@/libraries")
 if(@MATERIALX_BUILD_PYTHON@ AND @MATERIALX_INSTALL_PYTHON@)
     set_and_check(MATERIALX_PYTHON_DIR "@PACKAGE_CMAKE_INSTALL_PREFIX@/python")
 endif()
-set_and_check(MATERIALX_RESOURCES_DIR "@PACKAGE_CMAKE_INSTALL_PREFIX@/resources")
+if(@MATERIALX_BUILD_RENDER@ AND @MATERIALX_INSTALL_RESOURCES@)
+    set_and_check(MATERIALX_RESOURCES_DIR "@PACKAGE_CMAKE_INSTALL_PREFIX@/resources")
+endif()
 
 check_required_components(@CMAKE_PROJECT_NAME@)