Add option to disable building python bindings (#1637)

Signed-off-by: Michael Carroll <[email protected]>

CMakeLists.txt

@@ -41,13 +41,18 @@ endif()
 include(test/find_dri.cmake)
 FindDRI()
 
-option(USE_SYSTEM_PATHS_FOR_PYTHON_INSTALLATION
- "Install python modules in standard system paths in the system"
+option(SKIP_PYBIND11
+ "Skip generating Python bindings via pybind11"
  OFF)
 
-option(USE_DIST_PACKAGES_FOR_PYTHON
+include(CMakeDependentOption)
+cmake_dependent_option(USE_SYSTEM_PATHS_FOR_PYTHON_INSTALLATION
+ "Install python modules in standard system paths in the system"
+ OFF "NOT SKIP_PYBIND11" OFF)
+
+cmake_dependent_option(USE_DIST_PACKAGES_FOR_PYTHON
  "Use dist-packages instead of site-package to install python modules"
- OFF)
+ OFF "NOT SKIP_PYBIND11" OFF)
 
 #============================================================================
 # Search for project-specific dependencies
@@ -189,24 +194,27 @@ set(Protobuf_IMPORT_DIRS ${gz-msgs9_INCLUDE_DIRS})
 
 #--------------------------------------
 # Find python
-include(GzPython)
-find_package(PythonLibs QUIET)
-if (NOT PYTHONLIBS_FOUND)
- GZ_BUILD_WARNING("Python is missing: Python interfaces are disabled.")
- message (STATUS "Searching for Python - not found.")
+if (SKIP_PYBIND11)
+ message(STATUS "SKIP_PYBIND11 set - disabling python bindings")
 else()
- message (STATUS "Searching for Python - found version ${PYTHONLIBS_VERSION_STRING}.")
-
- set(PYBIND11_PYTHON_VERSION 3)
- find_package(Python3 QUIET COMPONENTS Interpreter Development)
- find_package(pybind11 2.2 QUIET)
-
- if (${pybind11_FOUND})
- message (STATUS "Searching for pybind11 - found version ${pybind11_VERSION}.")
- else()
- GZ_BUILD_WARNING("pybind11 is missing: Python interfaces are disabled.")
- message (STATUS "Searching for pybind11 - not found.")
- endif()
+ find_package(PythonLibs QUIET)
+ if (NOT PYTHONLIBS_FOUND)
+ GZ_BUILD_WARNING("Python is missing: Python interfaces are disabled.")
+ message (STATUS "Searching for Python - not found.")
+ else()
+ message (STATUS "Searching for Python - found version ${PYTHONLIBS_VERSION_STRING}.")
+
+ set(PYBIND11_PYTHON_VERSION 3)
+ find_package(Python3 QUIET COMPONENTS Interpreter Development)
+ find_package(pybind11 2.2 QUIET)
+
+ if (pybind11_FOUND)
+ message (STATUS "Searching for pybind11 - found version ${pybind11_VERSION}.")
+ else()
+ GZ_BUILD_WARNING("pybind11 is missing: Python interfaces are disabled.")
+ message (STATUS "Searching for pybind11 - not found.")
+ endif()
+ endif()
 endif()
 # Plugin install dirs
 set(GZ_SIM_PLUGIN_INSTALL_DIR