René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"c++ libs using hash.c instead of scl_hash.cc","articleBody":"Going through the memory warnings from the dw/memmgr branch, I noticed that p21read was using functions in `hash.c` instead of `scl_hash.cc`. I don't think that `p21read` or the `step*` libs should be linked to libexpress. However, I get a linker error when I make the following change.\n\n``` diff\n\ndiff --git a/data/CMakeLists.txt b/data/CMakeLists.txt\nindex e7382d2..aae45b5 100644\n--- a/data/CMakeLists.txt\n+++ b/data/CMakeLists.txt\n@@ -72,7 +72,7 @@ FUNCTION(BUILD_A_SCHEMA SCHEMA_FILE)\n         add_definitions( -DSCL_EDITOR_DLL_IMPORTS )\n     endif()\n     add_library( ${PROJECT_NAME} SHARED ${FEDEX_OUT} )\n-    target_link_libraries(${PROJECT_NAME} stepdai stepcore express stepeditor steputils )\n+    target_link_libraries(${PROJECT_NAME} stepdai stepcore stepeditor steputils )\n     add_dependencies( ${PROJECT_NAME} generate_cpp_${SCHEMA_SHORT_NAME} )\n     set_target_properties( ${PROJECT_NAME} PROPERTIES COMPILE_FLAGS\n                            ${${PROJECT_NAME}_COMPILE_FLAGS} )\ndiff --git a/src/clstepcore/CMakeLists.txt b/src/clstepcore/CMakeLists.txt\nindex 2faa888..1065026 100644\n--- a/src/clstepcore/CMakeLists.txt\n+++ b/src/clstepcore/CMakeLists.txt\n@@ -83,7 +83,7 @@ include_directories(\n     ${SCL_SOURCE_DIR}/src/clutils\n )\n\n-SCL_ADDLIB(stepcore \"${LIBSTEPCORE_SRCS} ${LIBDEPEND_SRCS}\" \"express steputils stepdai\")\n+SCL_ADDLIB(stepcore \"${LIBSTEPCORE_SRCS} ${LIBDEPEND_SRCS}\" \"steputils stepdai\")\n if(APPLE)\n     set_target_properties(stepcore PROPERTIES LINK_FLAGS \"-flat_namespace -undefined suppress\")\n endif(APPLE)\n```\n\nlinker error:\n\n```\nLinking CXX executable ../bin/p21read_sdai_ap227\n../lib/libstepcore.so.3.2: undefined reference to `HASHinitialize'    \n```\n\nI think that it should find the function in `steputils` - that lib is linked - but it doesn't.\n","author":{"url":"https://github.com/mpictor","@type":"Person","name":"mpictor"},"datePublished":"2012-02-22T10:01:48.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/144/stepcode/issues/144"}