cmake minor fixes

CMakeLists.txt

@@ -267,7 +267,7 @@ ENDIF(EXACT_PYTHON_VERSION)
 # first find the python interpreter
 FIND_PACKAGE(PythonInterp ${PYTHON_VERSION_PYBULLET} ${EXACT_PYTHON_VERSION_FLAG})
 # python library should exactly match that of the interpreter
-FIND_PACKAGE(PythonLibraries ${PYTHON_VERSION_STRING} EXACT)
+FIND_PACKAGE(PythonLibs ${PYTHON_VERSION_STRING} EXACT)
 SET(DEFAULT_BUILD_PYBULLET OFF)
 IF(PYTHONLIBS_FOUND)
 	SET(DEFAULT_BUILD_PYBULLET ON)

build3/cmake/FindNumPy.cmake

@@ -50,7 +50,8 @@ include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(NumPy REQUIRED_VARS PYTHON_NUMPY_INCLUDE_DIR PYTHON_NUMPY_VERSION
                                         VERSION_VAR   PYTHON_NUMPY_VERSION)
 
-if(PYTHON_NUMPY_FOUND)
+if(NUMPY_FOUND)
+  set(PYTHON_NUMPY_FOUND TRUE)
   message(STATUS "NumPy ver. ${PYTHON_NUMPY_VERSION} found (include: ${PYTHON_NUMPY_INCLUDE_DIR})")
 endif()