id summary reporter owner description type status priority milestone component version resolution keywords cc port 42702 libtool drops dylibs at link time jeremyhu larryv "VLC fails to build with opencv support because opencv's pkg-config file lists paths to dylibs rather than -l arguments. This should work just fine, but glibtool doesn't like it. It just drops the dylibs on the floor when creating the command line to envoke: {{{ /opt/local/bin/glibtool --tag=CXX --mode=link /usr/bin/clang++ -pipe -Os -arch x86_64 -stdlib=libc++ -D_INTL_REDIRECT_MACROS -I/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_multimedia_VLC-devel/VLC-devel/work/VLC-devel-2.1.99/contrib/include -Wall -Wextra -Wsign-compare -Wundef -Wpointer-arith -Wvolatile-register-var -fvisibility=hidden -ffast-math -funroll-loops -fomit-frame-pointer -avoid-version -module -export-symbols-regex ^vlc_entry -shrext .dylib -no-undefined ../../compat/libcompat.la ../../src/libvlccore.la -rpath '/opt/local/lib/vlc/plugins/video_filter' -L/opt/local/lib -Wl,-headerpad_max_install_names -arch x86_64 -Wl,-headerpad_max_install_names -L/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_multimedia_VLC-devel/VLC-devel/work/VLC-devel-2.1.99/contrib/lib -o libopencv_example_plugin.la libopencv_example_plugin_la-opencv_example.lo /opt/local/lib/libopencv_calib3d.dylib /opt/local/lib/libopencv_contrib.dylib /opt/local/lib/libopencv_core.dylib /opt/local/lib/libopencv_features2d.dylib /opt/local/lib/libopencv_flann.dylib /opt/local/lib/libopencv_gpu.dylib /opt/local/lib/libopencv_highgui.dylib /opt/local/lib/libopencv_imgproc.dylib /opt/local/lib/libopencv_legacy.dylib /opt/local/lib/libopencv_ml.dylib /opt/local/lib/libopencv_nonfree.dylib /opt/local/lib/libopencv_objdetect.dylib /opt/local/lib/libopencv_photo.dylib /opt/local/lib/libopencv_stitching.dylib /opt/local/lib/libopencv_superres.dylib /opt/local/lib/libopencv_ts.a /opt/local/lib/libopencv_video.dylib /opt/local/lib/libopencv_videostab.dylib *** Warning: Linking the shared library libopencv_example_plugin.la against the *** static library /opt/local/lib/libopencv_ts.a is not portable! glibtool: link: rm -fr .libs/libopencv_example_plugin.exp glibtool: link: /usr/bin/nm .libs/libopencv_example_plugin_la-opencv_example.o | sed -n -e 's/^.*[ ]\([BCDEGRST][BCDEGRST]*\)[ ][ ]*_\([_A-Za-z][_A-Za-z0-9]*\)$/\1 _\2 \2/p' | sed '/ __gnu_lto/d' | /usr/bin/sed 's/.* //' | sort | uniq > .libs/libopencv_example_plugin.exp glibtool: link: /usr/bin/grep -E -e ""^vlc_entry"" "".libs/libopencv_example_plugin.exp"" > "".libs/libopencv_example_plugin.expT"" glibtool: link: mv -f "".libs/libopencv_example_plugin.expT"" "".libs/libopencv_example_plugin.exp"" glibtool: link: sed -e 's,^,_,' < .libs/libopencv_example_plugin.exp > .libs/libopencv_example_plugin-symbols.expsym glibtool: link: /usr/bin/clang++ -o .libs/libopencv_example_plugin.dylib -bundle .libs/libopencv_example_plugin_la-opencv_example.o ../../compat/.libs/libcompat.a -L/opt/local/lib -L/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_multimedia_VLC-devel/VLC-devel/work/VLC-devel-2.1.99/contrib/lib ../../src/.libs/libvlccore.dylib -lintl -lidn -liconv -lm /opt/local/lib/libopencv_ts.a -Os -arch x86_64 -stdlib=libc++ -Wl,-headerpad_max_install_names -arch x86_64 -Wl,-headerpad_max_install_names -Wl,-exported_symbols_list,.libs/libopencv_example_plugin-symbols.expsym Undefined symbols for architecture x86_64: ""_cvClearMemStorage"", referenced from: Filter(filter_t*, picture_t*) in libopencv_example_plugin_la-opencv_example.o ""_cvCreateMemStorage"", referenced from: OpenFilter(vlc_object_t*) in libopencv_example_plugin_la-opencv_example.o ""_cvGetSeqElem"", referenced from: Filter(filter_t*, picture_t*) in libopencv_example_plugin_la-opencv_example.o ""_cvHaarDetectObjects"", referenced from: Filter(filter_t*, picture_t*) in libopencv_example_plugin_la-opencv_example.o ""_cvLoad"", referenced from: OpenFilter(vlc_object_t*) in libopencv_example_plugin_la-opencv_example.o ""_cvRectangle"", referenced from: Filter(filter_t*, picture_t*) in libopencv_example_plugin_la-opencv_example.o ""_cvReleaseHaarClassifierCascade"", referenced from: CloseFilter(vlc_object_t*) in libopencv_example_plugin_la-opencv_example.o ""_cvReleaseMemStorage"", referenced from: CloseFilter(vlc_object_t*) in libopencv_example_plugin_la-opencv_example.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation) }}}" defect reopened Normal ports 2.2.1 cooljeanius stromnov libtool