--- gcc/ada/gcc-interface/Makefile.in.orig	2010-05-30 06:46:25.000000000 -0400
+++ gcc/ada/gcc-interface/Makefile.in	2010-09-28 11:03:31.000000000 -0400
@@ -1166,7 +1166,7 @@
   GNATLIB_SHARED = gnatlib-shared-dual
 
   EH_MECHANISM=-gcc
-  THREADSLIB= -lpthread
+  THREADSLIB= $(PTHREAD_LIBS)
   GMEM_LIB = gmemlib
   LIBRARY_VERSION := $(LIB_VERSION)
 endif