this replaces CMAKE_SOURCE_DIR with CMAKE_CURRENT_SOURCE_DIR

Author: lemire

src/CMakeLists.txt

@@ -91,7 +91,7 @@ foreach(tree_type BUILD INSTALL)
     "${build_location}/roaring-config-version.cmake"
     VERSION ${ROARING_LIB_VERSION}
     COMPATIBILITY SameMajorVersion)
-  configure_package_config_file("${CMAKE_SOURCE_DIR}/cmake/config.cmake.in"
+  configure_package_config_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.cmake.in"
                                 "${build_location}/roaring-config.cmake"
                                 INSTALL_DESTINATION "${install_location}")
 

tests/CMakeLists.txt

@@ -70,8 +70,8 @@ if(BASH_EXECUTABLE)
 
   add_custom_command(
     OUTPUT "${AMALGAMATION_DIR}/roaring.c" "${AMALGAMATION_DIR}/roaring.h" "${AMALGAMATION_DIR}/roaring.hh"
-    COMMAND "${BASH_EXECUTABLE}" "${CMAKE_SOURCE_DIR}/amalgamation.sh" "${AMALGAMATION_DIR}"
-    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+    COMMAND "${BASH_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/amalgamation.sh" "${AMALGAMATION_DIR}"
+    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
     COMMENT "Running amalgamation.sh to generate amalgamated files"
     VERBATIM
   )