CMake: Push Python links back to where they're actually needed

This keeps the Panda3D core free of any Python-specific linkage

direct/src/dcparser/CMakeLists.txt

@@ -50,6 +50,7 @@ add_library(p3dcparser ${P3DCPARSER_HEADERS} ${P3DCPARSER_SOURCES}
   ${P3DCPARSER_PARSER_SOURCES})
 set_target_properties(p3dcparser PROPERTIES COMPILE_DEFINITIONS WITHIN_PANDA)
 target_link_libraries(p3dcparser p3directbase p3express p3pstatclient p3prc)
+target_use_packages(p3dcparser PYTHON)
 target_interrogate(p3dcparser ${P3DCPARSER_HEADERS} ${P3DCPARSER_SOURCES})
 
 install(TARGETS p3dcparser DESTINATION lib)

direct/src/distributed/CMakeLists.txt

@@ -14,6 +14,7 @@ if(HAVE_PYTHON)
   add_library(p3distributed ${P3DISTRIBUTED_HEADERS} ${P3DISTRIBUTED_SOURCES})
   set_target_properties(p3distributed PROPERTIES COMPILE_DEFINITIONS WITHIN_PANDA)
   target_link_libraries(p3distributed p3directbase p3dcparser p3pgraph)
+  target_use_packages(p3distributed PYTHON)
   if(WANT_NATIVE_NET)
     target_link_libraries(p3distributed p3nativenet)
   endif()

dtool/src/dtoolbase/CMakeLists.txt

@@ -65,7 +65,7 @@ set(P3DTOOLBASE_SOURCES
 composite_sources(p3dtoolbase P3DTOOLBASE_SOURCES)
 
 add_library(p3dtoolbase	${P3DTOOLBASE_HEADERS} ${P3DTOOLBASE_SOURCES})
-target_use_packages(p3dtoolbase THREADS PYTHON)
+target_use_packages(p3dtoolbase THREADS)
 
 install(TARGETS p3dtoolbase DESTINATION lib)
 install(FILES ${P3DTOOLBASE_HEADERS} DESTINATION include/panda3d)

dtool/src/dtoolutil/CMakeLists.txt

@@ -58,9 +58,6 @@ composite_sources(p3dtoolutil P3DTOOLUTIL_SOURCES)
 
 add_library(p3dtoolutil ${P3DTOOLUTIL_HEADERS} ${P3DTOOLUTIL_SOURCES})
 target_link_libraries(p3dtoolutil p3dtoolbase ${CMAKE_DL_LIBS})
-if(HAVE_PYTHON)
-  target_link_libraries(p3dtoolutil ${PYTHON_LIBRARIES})
-endif()
 
 if(APPLE)
   find_library(FOUNDATION_LIBRARY Foundation)

dtool/src/interrogatedb/CMakeLists.txt

@@ -29,6 +29,7 @@ composite_sources(p3interrogatedb P3INTERROGATEDB_SOURCES)
 
 add_library(p3interrogatedb ${P3INTERROGATEDB_HEADERS} ${P3INTERROGATEDB_SOURCES})
 target_link_libraries(p3interrogatedb p3dconfig)
+target_use_packages(p3interrogatedb PYTHON)
 
 install(TARGETS p3interrogatedb DESTINATION lib)
 install(FILES ${P3INTERROGATEDB_HEADERS} DESTINATION include/panda3d)