Allow building doxygen as a subproject

CMakeLists.txt

@@ -34,9 +34,9 @@ option(enable_coverage "Enable coverage reporting for gcc/clang [development]" O
 
 SET(enlarge_lex_buffers "262144" CACHE INTERNAL "Sets the lex input and read buffers to the specified size")
 
-list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
-list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/Sanitizers")
-set(TOP "${CMAKE_SOURCE_DIR}")
+list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
+list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/Sanitizers")
+set(TOP "${PROJECT_SOURCE_DIR}")
 include(version)
 
 set(sqlite3  "0" CACHE INTERNAL "used in settings.h")
@@ -71,7 +71,7 @@ if (WIN32)
     if ((NOT CMAKE_GENERATOR MATCHES "MinGW Makefiles") AND 
         (NOT CMAKE_GENERATOR MATCHES "MSYS Makefiles"))
         if (NOT ICONV_DIR)
-          set(ICONV_DIR "${CMAKE_SOURCE_DIR}/winbuild")
+          set(ICONV_DIR "${PROJECT_SOURCE_DIR}/winbuild")
         endif()
         set(CMAKE_REQUIRED_DEFINITIONS "-DLIBICONV_STATIC")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj") # needed for language.cpp on 64bit
@@ -120,10 +120,10 @@ find_package(Iconv REQUIRED)
 include_directories(${ICONV_INCLUDE_DIR})
 
 
-#set(DOXYDOCS ${CMAKE_SOURCE_DIR}/doc CACHE INTERNAL "Path to doxygen docs")
+#set(DOXYDOCS ${PROJECT_SOURCE_DIR}/doc CACHE INTERNAL "Path to doxygen docs")
 set(DOXYDOCS ${PROJECT_BINARY_DIR}/doc)
 set(ENV{DOXYGEN_DOCDIR} ${DOXYDOCS})
-set(GENERATED_SRC "${CMAKE_BINARY_DIR}/generated_src" CACHE INTERNAL "Stores generated files")
+set(GENERATED_SRC "${PROJECT_BINARY_DIR}/generated_src" CACHE INTERNAL "Stores generated files")
 set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
 set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
 
@@ -135,7 +135,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${EXECUTABLE_OUTPUT_PATH})
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${EXECUTABLE_OUTPUT_PATH})
 
 # gather lang codes for translation
-file(GLOB lang_files RELATIVE "${CMAKE_SOURCE_DIR}/src" "${CMAKE_SOURCE_DIR}/src/translator_??.h")
+file(GLOB lang_files RELATIVE "${PROJECT_SOURCE_DIR}/src" "${PROJECT_SOURCE_DIR}/src/translator_??.h")
 if (english_only) # user only wants English
   set(lcodes "ENONLY")
 else ()

addon/doxmlparser/src/CMakeLists.txt

@@ -1,7 +1,7 @@
 include_directories(
 	.
 	../include
-	${CMAKE_SOURCE_DIR}/qtools
+	${PROJECT_SOURCE_DIR}/qtools
 )
 add_library(doxmlparser STATIC
 	basehandler.cpp

addon/doxmlparser/test/CMakeLists.txt

@@ -1,7 +1,7 @@
 
 include_directories(
 	../include
-	${CMAKE_SOURCE_DIR}/qtools
+	${PROJECT_SOURCE_DIR}/qtools
 )
 
 add_executable(doxmlparser_test

addon/doxyapp/CMakeLists.txt

@@ -1,10 +1,10 @@
 find_package(Iconv)
 
 include_directories(
-	${CMAKE_SOURCE_DIR}/src
-	${CMAKE_SOURCE_DIR}/libversion
+	${PROJECT_SOURCE_DIR}/src
+	${PROJECT_SOURCE_DIR}/libversion
 	${GENERATED_SRC}
-	${CMAKE_SOURCE_DIR}/qtools
+	${PROJECT_SOURCE_DIR}/qtools
 	${ICONV_INCLUDE_DIR}
 	${CLANG_INCLUDEDIR}
 )

addon/doxyparse/CMakeLists.txt

@@ -1,10 +1,10 @@
 find_package(Iconv)
 
 include_directories(
-	${CMAKE_SOURCE_DIR}/src
-	${CMAKE_SOURCE_DIR}/libversion
+	${PROJECT_SOURCE_DIR}/src
+	${PROJECT_SOURCE_DIR}/libversion
 	${GENERATED_SRC}
-	${CMAKE_SOURCE_DIR}/qtools
+	${PROJECT_SOURCE_DIR}/qtools
 	${ICONV_INCLUDE_DIR}
 	${CLANG_INCLUDEDIR}
 )

addon/doxysearch/CMakeLists.txt

@@ -2,11 +2,11 @@ find_package(Xapian REQUIRED)
 find_package(ZLIB REQUIRED)
 
 if (WIN32)
-  set(WIN_EXTRA_LIBS "uuid.lib rpcrt4.lib ws2_32.lib")
+  set(WIN_EXTRA_LIBS uuid.lib rpcrt4.lib ws2_32.lib)
 endif()
 
 include_directories(
-	${CMAKE_SOURCE_DIR}/qtools
+	${PROJECT_SOURCE_DIR}/qtools
 	${XAPIAN_INCLUDE_DIR}
         ${ZLIB_INCLUDE_DIRS}
 )

addon/doxywizard/CMakeLists.txt

@@ -30,8 +30,8 @@ endif()
 
 include_directories(
 	.
-        ${CMAKE_SOURCE_DIR}/libversion
-	${CMAKE_SOURCE_DIR}/qtools
+        ${PROJECT_SOURCE_DIR}/libversion
+	${PROJECT_SOURCE_DIR}/qtools
 	${GENERATED_SRC}
 )
 
@@ -58,24 +58,24 @@ set_source_files_properties(${GENERATED_SRC_WIZARD}/settings.h PROPERTIES GENERA
 
 # generate version.cpp
 add_custom_command(
-    COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/src/version.py ${VERSION} > ${GENERATED_SRC_WIZARD}/version.cpp
-    DEPENDS ${CMAKE_SOURCE_DIR}/VERSION ${CMAKE_SOURCE_DIR}/src/version.py
+    COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/src/version.py ${VERSION} > ${GENERATED_SRC_WIZARD}/version.cpp
+    DEPENDS ${PROJECT_SOURCE_DIR}/VERSION ${PROJECT_SOURCE_DIR}/src/version.py
     OUTPUT ${GENERATED_SRC_WIZARD}/version.cpp
 )
 set_source_files_properties(${GENERATED_SRC_WIZARD}/version.cpp PROPERTIES GENERATED 1)
 
 # generate configdoc.cpp
 add_custom_command(
-COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/src/configgen.py -wiz ${CMAKE_SOURCE_DIR}/src/config.xml > ${GENERATED_SRC_WIZARD}/configdoc.cpp
+COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/src/configgen.py -wiz ${PROJECT_SOURCE_DIR}/src/config.xml > ${GENERATED_SRC_WIZARD}/configdoc.cpp
 OUTPUT ${GENERATED_SRC_WIZARD}/configdoc.cpp
 )
 set_source_files_properties(${GENERATED_SRC_WIZARD}/configdoc.cpp PROPERTIES GENERATED 1)
 
 set(LEX_FILES config_doxyw) 
 foreach(lex_file ${LEX_FILES})
     add_custom_command(
-	    COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/src/scan_states.py ${CMAKE_SOURCE_DIR}/addon/doxywizard/${lex_file}.l > ${GENERATED_SRC_WIZARD}/${lex_file}.l.h
-        DEPENDS ${CMAKE_SOURCE_DIR}/src/scan_states.py ${CMAKE_SOURCE_DIR}/addon/doxywizard/${lex_file}.l
+	    COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/src/scan_states.py ${PROJECT_SOURCE_DIR}/addon/doxywizard/${lex_file}.l > ${GENERATED_SRC_WIZARD}/${lex_file}.l.h
+        DEPENDS ${PROJECT_SOURCE_DIR}/src/scan_states.py ${PROJECT_SOURCE_DIR}/addon/doxywizard/${lex_file}.l
 	OUTPUT  ${GENERATED_SRC_WIZARD}/${lex_file}.l.h
     )
     set_source_files_properties(${GENERATED_SRC_WIZARD}/${lex_file}.l.h PROPERTIES GENERATED 1)

cmake/Coverage.cmake

@@ -7,23 +7,23 @@ if(enable_coverage)
       CACHE INTERNAL "")
   add_custom_target(coverage-clean
 	COMMAND ${LCOV_PATH} --rc lcov_branch_coverage=1 --directory . --zerocounters
-	WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+	WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
   )
   add_custom_target(coverage
 	COMMAND ${LCOV_PATH} --rc lcov_branch_coverage=1 --directory . --capture --output-file cov.info
 	COMMAND ${LCOV_PATH} --rc lcov_branch_coverage=1 --remove cov.info '*/c++/*' '*/_ctype.h' '*/generated_src/*' --output-file cov.info.cleaned
-	COMMAND ${CMAKE_COMMAND} -Dsearch=${CMAKE_BINARY_DIR}
-	                         -Dreplace=${CMAKE_SOURCE_DIR}
+	COMMAND ${CMAKE_COMMAND} -Dsearch=${PROJECT_BINARY_DIR}
+	                         -Dreplace=${PROJECT_SOURCE_DIR}
 				 -Dsrc=cov.info.cleaned
 				 -Ddst=cov.info.final
-				 -P ${CMAKE_SOURCE_DIR}/cmake/SearchReplace.cmake
+				 -P ${PROJECT_SOURCE_DIR}/cmake/SearchReplace.cmake
 	COMMAND ${GENHTML_PATH} --rc genhtml_branch_coverage=1
 	                        --function-coverage --branch-coverage
 	                        --title "Doxygen Coverage Report" --num-spaces 2
-				--legend --prefix ${CMAKE_SOURCE_DIR} --demangle-cpp
+				--legend --prefix ${PROJECT_SOURCE_DIR} --demangle-cpp
 				--output-directory cov_output cov.info.final
         COMMAND ${CMAKE_COMMAND} -E remove cov.info cov.info.cleaned cov.info.final
-	WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+	WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
   )
   add_custom_command(TARGET coverage POST_BUILD
 	COMMAND ;

cmake/doxygen_version.cmake

@@ -40,7 +40,7 @@ endmacro()
 
 CHECK_REQUIRED_VARIABLE(PRE_CONFIGURE_DOXYGEN_VERSION_FILE)
 CHECK_REQUIRED_VARIABLE(POST_CONFIGURE_DOXYGEN_VERSION_FILE)
-CHECK_OPTIONAL_VARIABLE(DOXY_STATE_FILE "${CMAKE_SOURCE_DIR}/VERSION")
+CHECK_OPTIONAL_VARIABLE(DOXY_STATE_FILE "${PROJECT_SOURCE_DIR}/VERSION")
 
 # Function: DoxygenStateChangedAction
 # Description: this function is executed when the 

cmake/git_watcher.cmake

@@ -64,7 +64,7 @@ CHECK_REQUIRED_VARIABLE(PRE_CONFIGURE_GIT_VERSION_FILE)
 CHECK_REQUIRED_VARIABLE(POST_CONFIGURE_GIT_VERSION_FILE)
 CHECK_OPTIONAL_VARIABLE(GIT_STATE_FILE "${GENERATED_SRC}/git_state")
 #CHECK_REQUIRED_VARIABLE(GIT_STATE_FILE)
-CHECK_OPTIONAL_VARIABLE(GIT_WORKING_DIR "${CMAKE_SOURCE_DIR}")
+CHECK_OPTIONAL_VARIABLE(GIT_WORKING_DIR "${PROJECT_SOURCE_DIR}")
 
 # Check the optional git variable.
 # If it's not set, we'll try to find it using the CMake packaging system.

doc/CMakeLists.txt

@@ -107,33 +107,33 @@ file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/man
 
 foreach (f  ${DOC_FILES})
 add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/doc/${f}
-    COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/doc/${f} ${PROJECT_BINARY_DIR}/doc/
-    DEPENDS ${CMAKE_SOURCE_DIR}/doc/${f}
+    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/doc/${f} ${PROJECT_BINARY_DIR}/doc/
+    DEPENDS ${PROJECT_SOURCE_DIR}/doc/${f}
     )
 set_source_files_properties(${PROJECT_BINARY_DIR}/doc/${f} PROPERTIES GENERATED 1)
 list(APPEND OUT_DOC_FILES "${PROJECT_BINARY_DIR}/doc/${f}")
 endforeach()
 
 foreach (f  ${DOC_FILES_CHM})
 add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/doc/${f}
-    COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/doc/${f} ${PROJECT_BINARY_DIR}/doc/
-    DEPENDS ${CMAKE_SOURCE_DIR}/doc/${f}
+    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/doc/${f} ${PROJECT_BINARY_DIR}/doc/
+    DEPENDS ${PROJECT_SOURCE_DIR}/doc/${f}
     )
 set_source_files_properties(${PROJECT_BINARY_DIR}/doc/${f} PROPERTIES GENERATED 1)
 list(APPEND OUT_DOC_CHM_FILES "${PROJECT_BINARY_DIR}/doc/${f}")
 endforeach()
 
-configure_file(${CMAKE_SOURCE_DIR}/doc/manual.sty         ${PROJECT_BINARY_DIR}/doc/manual.sty)
-configure_file(${CMAKE_SOURCE_DIR}/doc/doxygen_manual.tex ${PROJECT_BINARY_DIR}/doc/doxygen_manual.tex)
-configure_file(${CMAKE_SOURCE_DIR}/doc/doxygen.1          ${PROJECT_BINARY_DIR}/man/doxygen.1)
-configure_file(${CMAKE_SOURCE_DIR}/doc/doxywizard.1       ${PROJECT_BINARY_DIR}/man/doxywizard.1)
-configure_file(${CMAKE_SOURCE_DIR}/doc/doxysearch.1       ${PROJECT_BINARY_DIR}/man/doxysearch.1)
-configure_file(${CMAKE_SOURCE_DIR}/doc/doxyindexer.1      ${PROJECT_BINARY_DIR}/man/doxyindexer.1)
+configure_file(${PROJECT_SOURCE_DIR}/doc/manual.sty         ${PROJECT_BINARY_DIR}/doc/manual.sty)
+configure_file(${PROJECT_SOURCE_DIR}/doc/doxygen_manual.tex ${PROJECT_BINARY_DIR}/doc/doxygen_manual.tex)
+configure_file(${PROJECT_SOURCE_DIR}/doc/doxygen.1          ${PROJECT_BINARY_DIR}/man/doxygen.1)
+configure_file(${PROJECT_SOURCE_DIR}/doc/doxywizard.1       ${PROJECT_BINARY_DIR}/man/doxywizard.1)
+configure_file(${PROJECT_SOURCE_DIR}/doc/doxysearch.1       ${PROJECT_BINARY_DIR}/man/doxysearch.1)
+configure_file(${PROJECT_SOURCE_DIR}/doc/doxyindexer.1      ${PROJECT_BINARY_DIR}/man/doxyindexer.1)
 
 # doc/language.doc (see tag Doxyfile:INPUT)
 add_custom_command(
-        COMMAND ${PYTHON_EXECUTABLE} translator.py ${CMAKE_SOURCE_DIR}
-        DEPENDS ${CMAKE_SOURCE_DIR}/doc/maintainers.txt ${CMAKE_SOURCE_DIR}/doc/language.tpl ${PROJECT_BINARY_DIR}/doc/translator.py ${LANG_FILES}
+        COMMAND ${PYTHON_EXECUTABLE} translator.py ${PROJECT_SOURCE_DIR}
+        DEPENDS ${PROJECT_SOURCE_DIR}/doc/maintainers.txt ${PROJECT_SOURCE_DIR}/doc/language.tpl ${PROJECT_BINARY_DIR}/doc/translator.py ${LANG_FILES}
         OUTPUT language.doc
         WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/doc
 )
@@ -163,7 +163,7 @@ add_custom_target(doxygen_pdf
         COMMAND ${CMAKE_COMMAND} -E remove refman.tex
         COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_BINARY_DIR}/doc/doxygen_manual.tex  .
         COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_BINARY_DIR}/doc/manual.sty  .
-        COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/doc/doxygen_logo.pdf  .
+        COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/doc/doxygen_logo.pdf  .
         COMMAND ${PDFLATEX}  -shell-escape doxygen_manual.tex
         COMMAND ${MAKEINDEX} doxygen_manual.idx
         COMMAND ${PDFLATEX}  -shell-escape doxygen_manual.tex

examples/CMakeLists.txt

@@ -1,15 +1,15 @@
 file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/examples
                     ${PROJECT_BINARY_DIR}/html/examples)
-file(GLOB EXAMPLE_FILES RELATIVE ${CMAKE_SOURCE_DIR}/examples "*")
+file(GLOB EXAMPLE_FILES RELATIVE ${PROJECT_SOURCE_DIR}/examples "*")
 
 if (DOT)
   set(DIAGRAM_EXAMPLE ${PROJECT_BINARY_DIR}/html/examples/diagrams/html/index.html)
 endif()
 
 foreach (f  ${EXAMPLE_FILES})
     add_custom_command(
-        COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_SOURCE_DIR}/examples/${f}" "${PROJECT_BINARY_DIR}/examples/"
-        DEPENDS "${CMAKE_SOURCE_DIR}/examples/${f}"
+        COMMAND ${CMAKE_COMMAND} -E copy "${PROJECT_SOURCE_DIR}/examples/${f}" "${PROJECT_BINARY_DIR}/examples/"
+        DEPENDS "${PROJECT_SOURCE_DIR}/examples/${f}"
         OUTPUT "${PROJECT_BINARY_DIR}/examples/${f}"
     )
     set_source_files_properties("${PROJECT_BINARY_DIR}/examples/${f}" PROPERTIES GENERATED 1)

libmscgen/CMakeLists.txt

@@ -1,14 +1,14 @@
 include_directories(
-    ${CMAKE_SOURCE_DIR}/liblodepng
-    ${CMAKE_SOURCE_DIR}/libmscgen
+    ${PROJECT_SOURCE_DIR}/liblodepng
+    ${PROJECT_SOURCE_DIR}/libmscgen
     ${GENERATED_SRC}
 )
 
 set(LEX_FILES mscgen_lexer) 
 foreach(lex_file ${LEX_FILES})
     add_custom_command(
-        COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/src/scan_states.py ${CMAKE_SOURCE_DIR}/libmscgen/${lex_file}.l > ${GENERATED_SRC}/${lex_file}.l.h
-        DEPENDS ${CMAKE_SOURCE_DIR}/src/scan_states.py ${CMAKE_SOURCE_DIR}/libmscgen/${lex_file}.l
+        COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/src/scan_states.py ${PROJECT_SOURCE_DIR}/libmscgen/${lex_file}.l > ${GENERATED_SRC}/${lex_file}.l.h
+        DEPENDS ${PROJECT_SOURCE_DIR}/src/scan_states.py ${PROJECT_SOURCE_DIR}/libmscgen/${lex_file}.l
         OUTPUT  ${GENERATED_SRC}/${lex_file}.l.h
     )
     set_source_files_properties(${GENERATED_SRC}/${lex_file}.l.h PROPERTIES GENERATED 1)

libversion/CMakeLists.txt

@@ -1,16 +1,16 @@
 # vim:ts=4:sw=4:expandtab:autoindent:
 
 # setup information for doxygen version handling
-set(PRE_CONFIGURE_DOXYGEN_VERSION_FILE "${CMAKE_SOURCE_DIR}/libversion/doxyversion.cpp.in")
+set(PRE_CONFIGURE_DOXYGEN_VERSION_FILE "${PROJECT_SOURCE_DIR}/libversion/doxyversion.cpp.in")
 set(POST_CONFIGURE_DOXYGEN_VERSION_FILE "${GENERATED_SRC}/doxyversion.cpp")
 
 # setup information for git version handling
-set(PRE_CONFIGURE_GIT_VERSION_FILE "${CMAKE_SOURCE_DIR}/libversion/gitversion.cpp.in")
+set(PRE_CONFIGURE_GIT_VERSION_FILE "${PROJECT_SOURCE_DIR}/libversion/gitversion.cpp.in")
 set(POST_CONFIGURE_GIT_VERSION_FILE "${GENERATED_SRC}/gitversion.cpp")
 set(GIT_STATE_FILE "${GENERATED_SRC}/git_state")
 
-include(${CMAKE_SOURCE_DIR}/cmake/git_watcher.cmake)
-include(${CMAKE_SOURCE_DIR}/cmake/doxygen_version.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/git_watcher.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/doxygen_version.cmake)
 
 include_directories(
     .

src/CMakeLists.txt

@@ -1,13 +1,13 @@
 # vim:ts=4:sw=4:expandtab:autoindent:
 
 include_directories(
-    ${CMAKE_SOURCE_DIR}/qtools
-    ${CMAKE_SOURCE_DIR}/libmd5
-    ${CMAKE_SOURCE_DIR}/liblodepng
-    ${CMAKE_SOURCE_DIR}/libmscgen
-    ${CMAKE_SOURCE_DIR}/libversion
-    ${CMAKE_SOURCE_DIR}/vhdlparser
-    ${CMAKE_SOURCE_DIR}/src
+    ${PROJECT_SOURCE_DIR}/qtools
+    ${PROJECT_SOURCE_DIR}/libmd5
+    ${PROJECT_SOURCE_DIR}/liblodepng
+    ${PROJECT_SOURCE_DIR}/libmscgen
+    ${PROJECT_SOURCE_DIR}/libversion
+    ${PROJECT_SOURCE_DIR}/vhdlparser
+    ${PROJECT_SOURCE_DIR}/src
     ${CLANG_INCLUDEDIR}
     ${GENERATED_SRC}
 )
@@ -78,23 +78,23 @@ set_source_files_properties(${GENERATED_SRC}/ce_parse.h PROPERTIES GENERATED 1)
 # lang_cfg.h
 add_custom_command(
     COMMENT  "Generating ${GENERATED_SRC}/lang_cfg.h"
-    COMMAND ${CMAKE_COMMAND} -P ${CMAKE_SOURCE_DIR}/cmake/lang_cfg.cmake ${GENERATED_SRC}/lang_cfg.h ${LANG_CODES}
+    COMMAND ${CMAKE_COMMAND} -P ${PROJECT_SOURCE_DIR}/cmake/lang_cfg.cmake ${GENERATED_SRC}/lang_cfg.h ${LANG_CODES}
     DEPENDS ${LANGUAGE_FILES}
     OUTPUT ${GENERATED_SRC}/lang_cfg.h
 )
 set_source_files_properties(${GENERATED_SRC}/lang_cfg.h PROPERTIES GENERATED 1)
 
 # all resource files
 if (${CMAKE_VERSION} VERSION_EQUAL "3.11.0" OR ${CMAKE_VERSION} VERSION_GREATER "3.11.0")
-    file(GLOB RESOURCES CONFIGURE_DEPENDS ${CMAKE_SOURCE_DIR}/templates/*/*)
+    file(GLOB RESOURCES CONFIGURE_DEPENDS ${PROJECT_SOURCE_DIR}/templates/*/*)
 else()
-    file(GLOB RESOURCES ${CMAKE_SOURCE_DIR}/templates/*/*)
+    file(GLOB RESOURCES ${PROJECT_SOURCE_DIR}/templates/*/*)
 endif()
 
 # resources.cpp
 add_custom_command(
     COMMENT  "Generating ${GENERATED_SRC}/resources.cpp"
-    COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_LIST_DIR}/res2cc_cmd.py ${CMAKE_SOURCE_DIR}/templates ${GENERATED_SRC}/resources.cpp
+    COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_LIST_DIR}/res2cc_cmd.py ${PROJECT_SOURCE_DIR}/templates ${GENERATED_SRC}/resources.cpp
     DEPENDS ${RESOURCES} ${CMAKE_CURRENT_LIST_DIR}/res2cc_cmd.py
     OUTPUT ${GENERATED_SRC}/resources.cpp
 )
@@ -138,9 +138,9 @@ foreach(lex_file ${LEX_FILES})
     set_source_files_properties(${GENERATED_SRC}/${lex_file}.l.h PROPERTIES GENERATED 1)
     # for code coverage we need the flex sources in the build src directory
     add_custom_command(
-        COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/src/${lex_file}.l ${CMAKE_BINARY_DIR}/src/${lex_file}.l
-        DEPENDS ${CMAKE_SOURCE_DIR}/src/${lex_file}.l
-        OUTPUT  ${CMAKE_BINARY_DIR}/src/${lex_file}.l
+        COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/src/${lex_file}.l ${PROJECT_BINARY_DIR}/src/${lex_file}.l
+        DEPENDS ${PROJECT_SOURCE_DIR}/src/${lex_file}.l
+        OUTPUT  ${PROJECT_BINARY_DIR}/src/${lex_file}.l
     )
 
     FLEX_TARGET(${lex_file}
@@ -156,9 +156,9 @@ BISON_TARGET(constexp
              COMPILE_FLAGS "${YACC_FLAGS}")
 
 add_custom_command(
-    COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/src/constexp.y ${CMAKE_BINARY_DIR}/src
-    DEPENDS ${CMAKE_SOURCE_DIR}/src/constexp.y
-    OUTPUT  ${CMAKE_BINARY_DIR}/src/constexp.y
+    COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/src/constexp.y ${PROJECT_BINARY_DIR}/src
+    DEPENDS ${PROJECT_SOURCE_DIR}/src/constexp.y
+    OUTPUT  ${PROJECT_BINARY_DIR}/src/constexp.y
 )
 
 add_library(doxycfg STATIC

testing/CMakeLists.txt

@@ -1,7 +1,7 @@
 # run all tests sequentially (keep for backward compatibility)
 add_custom_target(tests
 	COMMENT "Running doxygen tests..."
-	COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/testing/runtests.py --doxygen ${PROJECT_BINARY_DIR}/bin/doxygen --inputdir ${CMAKE_SOURCE_DIR}/testing --outputdir ${PROJECT_BINARY_DIR}/testing
+	COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/testing/runtests.py --doxygen ${PROJECT_BINARY_DIR}/bin/doxygen --inputdir ${PROJECT_SOURCE_DIR}/testing --outputdir ${PROJECT_BINARY_DIR}/testing
 	DEPENDS doxygen
 )
 
@@ -19,6 +19,6 @@ foreach(TEST_FILE ${TEST_FILES})
 	string(REGEX REPLACE "^.*/([0-9][0-9][0-9]*).*$" "\\1" TEST_ID "${TEST_FILE}")
 	# add a test target for each test
 	add_test(NAME ${TEST_NAME}
-		 COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/testing/runtests.py --id ${TEST_ID} --doxygen $<TARGET_FILE:doxygen> --inputdir ${CMAKE_SOURCE_DIR}/testing --outputdir ${PROJECT_BINARY_DIR}/testing
+		 COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/testing/runtests.py --id ${TEST_ID} --doxygen $<TARGET_FILE:doxygen> --inputdir ${PROJECT_SOURCE_DIR}/testing --outputdir ${PROJECT_BINARY_DIR}/testing
 	)
 endforeach()