: Making all in test make[2]: Entering directory `/home/rdt/src/dillo-3.0.4/test' g++ -DHAVE_CONFIG_H -I. -I.. -I.. -I/usr/local/include -I/usr/include/freetype2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_THREAD_SAFE -D_REENTRANT -g -O2 -Wall -W -Wno-unused-parameter -fno-rtti -fno-exceptions -MT dw_anchors_test.o -MD -MP -MF .deps/dw_anchors_test.Tpo -c -o dw_anchors_test.o dw_anchors_test.cc mv -f .deps/dw_anchors_test.Tpo .deps/dw_anchors_test.Po g++ -I/usr/include/freetype2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_THREAD_SAFE -D_REENTRANT -g -O2 -Wall -W -Wno-unused-parameter -fno-rtti -fno-exceptions -L/usr/local/lib -o dw-anchors-test dw_anchors_test.o ../dw/libDw-widgets.a ../dw/libDw-fltk.a ../dw/libDw-core.a ../lout/liblout.a -Wl,-z,relro -lfltk /bin/ld: ../dw/libDw-fltk.a(libDw_fltk_a-fltkviewbase.o): undefined reference to symbol 'XCreatePixmap' /bin/ld: note: 'XCreatePixmap' is defined in DSO /lib64/libX11.so.6 so try adding it to the linker command line /lib64/libX11.so.6: could not read symbols: Invalid operation collect2: error: ld returned 1 exit status make[2]: *** [dw-anchors-test] Error 1 make[2]: Leaving directory `/home/rdt/src/dillo-3.0.4/test' Bob T.