diff --git a/dtool/CMakeLists.txt b/dtool/CMakeLists.txt
index 5bf1cd61dc..5e18bea829 100644
--- a/dtool/CMakeLists.txt
+++ b/dtool/CMakeLists.txt
@@ -35,7 +35,7 @@ set(DTOOL_INSTALL "${INSTALL_DIR}" CACHE STRING "The directory in which to insta
 
 set(DEFAULT_PRC_DIR "${INSTALL_DIR}/etc" CACHE STRING "Panda uses prc files for runtime configuration. Panda will search the default .prc directory if the PRC_PATH and PRC_DIR environment variables are not defined.")
 
-include(${CMAKE_CURRENT_LIST_DIR}/Configure.cmake)
+include(Configure.cmake)
 
 ## Include dtool subpackages ##
 add_subdirectory(src/dtoolbase)
diff --git a/dtool/Configure.cmake b/dtool/Configure.cmake
index cf760ff8d0..a007e18bc6 100644
--- a/dtool/Configure.cmake
+++ b/dtool/Configure.cmake
@@ -396,5 +396,5 @@ else()
 	set(DEFAULT_PATHSEP ":")
 endif()
 
-configure_file(${CMAKE_CURRENT_LIST_DIR}/dtool_config.h.cmake ${CMAKE_BINARY_DIR}/include/dtool_config.h)
+configure_file(dtool_config.h.cmake ${CMAKE_BINARY_DIR}/include/dtool_config.h)
 include_directories("${CMAKE_BINARY_DIR}/include")
diff --git a/dtool/metalibs/dtool/CMakeLists.txt b/dtool/metalibs/dtool/CMakeLists.txt
index 3707475cd3..54f02f0045 100644
--- a/dtool/metalibs/dtool/CMakeLists.txt
+++ b/dtool/metalibs/dtool/CMakeLists.txt
@@ -1,2 +1,2 @@
-add_library(p3dtool ${CMAKE_CURRENT_LIST_DIR}/dtool.cxx)
+add_library(p3dtool dtool.cxx)
 target_link_libraries(p3dtool p3dtoolutil p3dtoolbase)
diff --git a/dtool/src/cppparser/CMakeLists.txt b/dtool/src/cppparser/CMakeLists.txt
index a9e8f1db85..d879f107c4 100644
--- a/dtool/src/cppparser/CMakeLists.txt
+++ b/dtool/src/cppparser/CMakeLists.txt
@@ -1,7 +1,7 @@
-include_directories(${CMAKE_CURRENT_LIST_DIR}/../dtoolutil)
-include_directories(${CMAKE_CURRENT_LIST_DIR}/../dtoolbase)
+include_directories(../dtoolutil)
+include_directories(../dtoolbase)
 
-set(P3CPPPARSER_HEADER_FILES
+set(P3CPPPARSER_HEADERS
 	cppArrayType.h cppBison.yxx cppBisonDefs.h
 	cppClassTemplateParameter.h cppCommentBlock.h cppConstType.h
 	cppDeclaration.h cppEnumType.h cppExpression.h
@@ -17,7 +17,7 @@ set(P3CPPPARSER_HEADER_FILES
 	cppType.h cppTypeDeclaration.h cppTypeParser.h
 	cppTypeProxy.h cppTypedef.h cppUsing.h cppVisibility.h)
 
-set(P3CPPPARSER_SOURCE_FILES
+set(P3CPPPARSER_SOURCES
 	cppArrayType.cxx cppBison.cxx cppClassTemplateParameter.cxx
 	cppCommentBlock.cxx cppConstType.cxx cppDeclaration.cxx
 	cppEnumType.cxx cppExpression.cxx cppExpressionParser.cxx
@@ -34,19 +34,12 @@ set(P3CPPPARSER_SOURCE_FILES
 	cppTypeParser.cxx cppTypeProxy.cxx cppTypedef.cxx
 	cppUsing.cxx cppVisibility.cxx)
 
-foreach(FILENAME IN LISTS P3CPPPARSER_HEADER_FILES)
-	set(P3CPPPARSER_HEADERS ${P3CPPPARSER_HEADERS} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-foreach(FILENAME IN LISTS P3CPPPARSER_SOURCE_FILES)
-	set(P3CPPPARSER_SOURCES ${P3CPPPARSER_SOURCES} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-
 if(HAVE_INTERROGATE)
 	find_package(BISON)
 	bison_target(cppParser
-		${CMAKE_CURRENT_LIST_DIR}/cppBison.yxx
-		${CMAKE_CURRENT_LIST_DIR}/cppBison.cxx
-		COMPILE_FLAGS --defines=${CMAKE_CURRENT_LIST_DIR}/cppBison.h)
+		cppBison.yxx
+		cppBison.cxx
+		COMPILE_FLAGS --defines=cppBison.h)
 
 	add_library(p3cppParser STATIC
 		${P3CPPPARSER_HEADERS}
diff --git a/dtool/src/dconfig/CMakeLists.txt b/dtool/src/dconfig/CMakeLists.txt
index 3e4b02f174..40870d5f92 100644
--- a/dtool/src/dconfig/CMakeLists.txt
+++ b/dtool/src/dconfig/CMakeLists.txt
@@ -1,20 +1,13 @@
-include_directories(${CMAKE_CURRENT_LIST_DIR}/../dtoolutil)
-include_directories(${CMAKE_CURRENT_LIST_DIR}/../dtoolbase)
-include_directories(${CMAKE_CURRENT_LIST_DIR}/../prc)
+include_directories(../dtoolutil)
+include_directories(../dtoolbase)
+include_directories(../prc)
 
-set(P3DCONFIG_HEADER_FILES
+set(P3DCONFIG_HEADERS
 	config_dconfig.h dconfig.I dconfig.h)
 
-set(P3DCONFIG_SOURCE_FILES
+set(P3DCONFIG_SOURCES
 	config_dconfig.cxx dconfig.cxx)
 
-foreach(FILENAME IN LISTS P3DCONFIG_HEADER_FILES)
-	set(P3DCONFIG_HEADERS ${P3DCONFIG_HEADERS} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-foreach(FILENAME IN LISTS P3DCONFIG_SOURCE_FILES)
-	set(P3DCONFIG_SOURCES ${P3DCONFIG_SOURCES} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-
 add_library(p3dconfig STATIC
 	${P3DCONFIG_HEADERS}
 	${P3DCONFIG_SOURCES})
diff --git a/dtool/src/dtoolbase/CMakeLists.txt b/dtool/src/dtoolbase/CMakeLists.txt
index 87e6f0e0c7..151f6e013a 100644
--- a/dtool/src/dtoolbase/CMakeLists.txt
+++ b/dtool/src/dtoolbase/CMakeLists.txt
@@ -1,4 +1,4 @@
-set(P3DTOOLBASE_HEADER_FILES
+set(P3DTOOLBASE_HEADERS
     addHash.I addHash.h
     atomicAdjust.h
     atomicAdjustDummyImpl.h atomicAdjustDummyImpl.I
@@ -35,7 +35,7 @@ set(P3DTOOLBASE_HEADER_FILES
     lookup3.h
 )
 
-set(P3DTOOLBASE_SOURCE_FILES
+set(P3DTOOLBASE_SOURCES
     addHash.cxx
     atomicAdjustDummyImpl.cxx
     atomicAdjustI386Impl.cxx
@@ -59,14 +59,7 @@ set(P3DTOOLBASE_SOURCE_FILES
     typedObject.cxx
 )
 
-foreach(FILENAME IN LISTS P3DTOOLBASE_HEADER_FILES)
-	set(P3DTOOLBASE_INSTALL_HEADERS ${P3DTOOLBASE_INSTALL_HEADERS} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-foreach(FILENAME IN LISTS P3DTOOLBASE_SOURCE_FILES)
-	set(P3DTOOLBASE_SOURCES ${P3DTOOLBASE_SOURCES} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-
 add_library(p3dtoolbase STATIC
-	${P3DTOOLBASE_INSTALL_HEADERS}
+	${P3DTOOLBASE_HEADERS}
 	${P3DTOOLBASE_SOURCES}
 )
diff --git a/dtool/src/dtoolutil/CMakeLists.txt b/dtool/src/dtoolutil/CMakeLists.txt
index b350b4f2c1..e26ded3312 100644
--- a/dtool/src/dtoolutil/CMakeLists.txt
+++ b/dtool/src/dtoolutil/CMakeLists.txt
@@ -1,16 +1,18 @@
-include_directories(${CMAKE_CURRENT_LIST_DIR}/../dtoolbase)
+include_directories(../dtoolbase)
 
-configure_file(${CMAKE_CURRENT_LIST_DIR}/pandaVersion.h.cmake
-               ${CMAKE_CURRENT_LIST_DIR}/pandaVersion.h)
+configure_file(pandaVersion.h.cmake
+               pandaVersion.h)
 
-configure_file(${CMAKE_CURRENT_LIST_DIR}/checkPandaVersion.h.cmake
-               ${CMAKE_CURRENT_LIST_DIR}/checkPandaVersion.h)
+configure_file(checkPandaVersion.h.cmake
+               checkPandaVersion.h)
 
-configure_file(${CMAKE_CURRENT_LIST_DIR}/checkPandaVersion.cxx.cmake
-               ${CMAKE_CURRENT_LIST_DIR}/checkPandaVersion.cxx)
+configure_file(checkPandaVersion.cxx.cmake
+               checkPandaVersion.cxx)
 
-set(P3DTOOLUTIL_HEADER_FILES
-	checkPandaVersion.h
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+set(P3DTOOLUTIL_HEADERS
+	${CMAKE_CURRENT_BINARY_DIR}/checkPandaVersion.h
 	config_dtoolutil.h
 	dSearchPath.I dSearchPath.h
 	executionEnvironment.I executionEnvironment.h filename.I 
@@ -32,12 +34,12 @@ set(P3DTOOLUTIL_HEADER_FILES
 )
 
 if(APPLE)
-	set(P3DTOOL_HEADER_FILES ${P3DTOOL_HEADER_FILES}
+	set(P3DTOOLUTIL_HEADERS ${P3DTOOLUTIL_HEADERS}
 		filename_assist.mm filename_assist.h)
 endif()
 
-set(P3DTOOLUTIL_SOURCE_FILES
-	checkPandaVersion.cxx
+set(P3DTOOLUTIL_SOURCES
+	${CMAKE_CURRENT_BINARY_DIR}/checkPandaVersion.cxx
 	config_dtoolutil.cxx
 	dSearchPath.cxx
 	executionEnvironment.cxx filename.cxx
@@ -55,14 +57,7 @@ set(P3DTOOLUTIL_SOURCE_FILES
 	win32ArgParser.cxx
 )
 
-foreach(FILENAME IN LISTS P3DTOOLUTIL_HEADER_FILES)
-	set(P3DTOOLUTIL_INSTALL_HEADERS ${P3DTOOLUTIL_INSTALL_HEADERS} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-foreach(FILENAME IN LISTS P3DTOOLUTIL_SOURCE_FILES)
-	set(P3DTOOLUTIL_SOURCES ${P3DTOOLUTIL_SOURCES} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-
 add_library(p3dtoolutil STATIC
-	${P3DTOOLUTIL_INSTALL_HEADERS}
+	${P3DTOOLUTIL_HEADERS}
 	${P3DTOOLUTIL_SOURCES}
 )
diff --git a/dtool/src/prc/CMakeLists.txt b/dtool/src/prc/CMakeLists.txt
index 0e05e21333..457fe08b2c 100644
--- a/dtool/src/prc/CMakeLists.txt
+++ b/dtool/src/prc/CMakeLists.txt
@@ -1,13 +1,14 @@
-include_directories(${CMAKE_CURRENT_LIST_DIR}/../dtoolutil)
-include_directories(${CMAKE_CURRENT_LIST_DIR}/../dtoolbase)
+include_directories(../dtoolutil)
+include_directories(../dtoolbase)
 
 set(PRC_DCONFIG_TRUST_LEVEL 0 CACHE STRING "The trust level value for any legacy (DConfig) variables.")
 set(PRC_INC_TRUST_LEVEL 0 CACHE STRING "The amount by which we globally increment the trust level.")
 
-configure_file(${CMAKE_CURRENT_LIST_DIR}/prc_parameters.h.cmake
-               ${CMAKE_CURRENT_LIST_DIR}/prc_parameters.h)
+configure_file(prc_parameters.h.cmake
+               prc_parameters.h)
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
-set(P3PRC_HEADER_FILES
+set(P3PRC_HEADERS
 	bigEndian.h
 	config_prc.h
 	configDeclaration.I configDeclaration.h
@@ -39,9 +40,9 @@ set(P3PRC_HEADER_FILES
 	streamReader.I streamReader.h
 	streamWrapper.I streamWrapper.h
 	streamWriter.I streamWriter.h
-	prc_parameters.h)
+	${CMAKE_CURRENT_BINARY_DIR}/prc_parameters.h)
 
-set(P3PRC_SOURCE_FILES
+set(P3PRC_SOURCES
 	config_prc.cxx
 	configDeclaration.cxx
 	configFlags.cxx
@@ -69,13 +70,6 @@ set(P3PRC_SOURCE_FILES
 	reversedNumericData.cxx
 	streamReader.cxx streamWrapper.cxx streamWriter.cxx)
 
-foreach(FILENAME IN LISTS P3PRC_HEADER_FILES)
-	set(P3PRC_HEADERS ${P3PRC_HEADERS} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-foreach(FILENAME IN LISTS P3PRC_SOURCE_FILES)
-	set(P3PRC_SOURCES ${P3PRC_SOURCES} ${CMAKE_CURRENT_LIST_DIR}/${FILENAME})
-endforeach()
-
 add_library(p3prc STATIC
 	${P3PRC_HEADERS}
 	${P3PRC_SOURCES})