> > In the last step of building ghostscript 6.5 (after some minor > modifications > > in a few places) I encountered the following error message: > > > > (while gcc -fno-common -o ./bin/gs ./obj/gs.o ./obj/gp_getnv.o ...) > > > > ./obj/gp_psync.o(.text+0x49):gp_psync.c: undefined reference to > > `pthread_cond_init' > > ./obj/gp_psync.o(.text+0x7a):gp_psync.c: undefined reference to > > `pthread_cond_destroy' > > ./obj/gp_psync.o(.text+0xda):gp_psync.c: undefined reference to > > `pthread_cond_wait' > > ./obj/gp_psync.o(.text+0x148):gp_psync.c: undefined reference to > > `pthread_cond_signal' > > ./obj/gp_psync.o(.text+0x28e):gp_psync.c: undefined reference to > > `pthread_attr_setdetachstate' > > > > I have /usr/include/pthread.h but can not find libpthread.a anywhere. > Condition variations aren't implemented in the current 1.1.8-2 release > of cygwin. Try the latest snapshot. > > I've implemented pthread_attr_setdetachstate, but I think it's bundled > in with a patch that affects newlib so it's not available yet. See > http://sources.redhat.com/ml/cygwin/2001-03/msg01202.html for a clean > workaround. Thanks for the useful information. > Note: if your "minor" modificationsincluded defining macros or > prototypes to replace system functions that aren't present, I'm not > surprised you got these link errors. No, I carefully try to avoid that sort of modification. The puzzle is that these functions are in the header files but the corresponding library file is missing. Wei -- Want to unsubscribe from this list? Check out: http://cygwin.com/ml/#unsubscribe-simple