$NetBSD$

Don't build python bindings and tools.
Don't look for the dependencies needed by
the things not built.

--- CMakeLists.txt.orig	2023-07-02 02:16:37.000000000 +0000
+++ CMakeLists.txt
@@ -37,6 +37,9 @@ set(PARTIO_VERSION_MAJOR "1")
 
 option(PARTIO_GTEST_ENABLED "Enable GTest for tests" OFF)
 option(PARTIO_ORIGIN_RPATH "Enable ORIGIN rpath in the installed libraries" OFF)
+option(PARTIO_BUILD_LIB "Build PARTIO library" OFF)
+option(PARTIO_BUILD_PY "Build PARTIO python bindings" OFF)
+
 
 if(WIN32 OR APPLE)
     option(PARTIO_USE_GLVND "Use GLVND for OpenGL" OFF)
@@ -118,11 +121,14 @@ endif()
 set(OpenGL_GL_PREFERENCE GLVND)
 
 ## Search for useful libraries
-find_package(Threads REQUIRED)
-find_package(GLUT REQUIRED)
-find_package(OpenGL REQUIRED)
+if(PARTIO_BUILD_PY)
+find_library(PARTIO_LIBRARY NAMES partio REQUIRED)
+find_path(PARTIO_INCLUDE_DIR NAMES Partio.h REQUIRED)
 find_package(PythonInterp REQUIRED)
 find_package(PythonLibs REQUIRED)
+endif()
+if(PARTIO_BUILD_LIB)
+find_package(Threads REQUIRED)
 find_package(ZLIB)
 if (ZLIB_FOUND)
     add_definitions(-DPARTIO_USE_ZLIB)
@@ -132,12 +138,16 @@ endif()
 
 # Make modules able to see partio library
 set(PARTIO_LIBRARIES partio ${ZLIB_LIBRARY})
-
+endif()
 ## Traverse subdirectories
+if(PARTIO_BUILD_LIB)
 add_subdirectory(src/lib)
-add_subdirectory(src/tools)
+endif()
+#add_subdirectory(src/tools)
+if(PARTIO_BUILD_PY)
 add_subdirectory(src/py)
-add_subdirectory(src/doc)
+endif()
+#add_subdirectory(src/doc)
 
 if (${PARTIO_GTEST_ENABLED})
     set(GTEST_LOCATION "/usr" CACHE STRING "gtest installation prefix")