Same magic as haubi did for glib compilation, which works again here
resolving a linker problem on Solaris with GNU ld.  Bug #222625

--- mozilla/nsprpub/pr/src/Makefile.in.orig	2008-06-22 22:24:56.671065000 +0200
+++ mozilla/nsprpub/pr/src/Makefile.in	2008-06-23 14:38:52.320417000 +0200
@@ -95,7 +95,7 @@
 endif
 
 ifdef USE_PTHREADS
-OS_LIBS			= -lpthread ${LIBRT} -lsocket -lnsl -ldl -lc
+OS_LIBS			= -pthread ${LIBRT} -lsocket -lnsl -ldl -lc
 else
 ifdef LOCAL_THREADS_ONLY
 OS_LIBS			= -lsocket -lnsl -ldl -lc