gcc -DHAVE_CONFIG_H -I. -I. -I. -I/usr/local/include/freetype2 -I/usr/loca l/include -g -O2 -c `test -f 'annotate.c' || echo './'`annotate.c /usr/local/bin/bash ./libtool --mode=link gcc -g -O2 -L/usr/local/lib -o anno tate annotate.o ./libgd.la -ljpeg -lfreetype -lz -lm gcc -g -O2 -o .libs/annotate annotate.o -L/usr/local/lib ./.libs/libgd.so -ljpe g -lfreetype -lz -lm -Wl,--rpath -Wl,/usr/local/lib ./.libs/libgd.so: undefined reference to `pthread_mutex_unlock' ./.libs/libgd.so: undefined reference to `pthread_mutex_destroy' ./.libs/libgd.so: undefined reference to `pthread_mutex_lock' ./.libs/libgd.so: undefined reference to `pthread_mutex_init' *** Error code 1 Stop in /usr/home/usr122058185/gd-2.0.23. *** Error code 1 Stop in /usr/home/usr122058185/gd-2.0.23.