--- zthreads-2.3.2.orig/include/zthread/Config.h	2012-04-29 03:58:02.000000000 +0000
+++ zthreads-2.3.2/include/zthread/Config.h	2012-04-29 03:48:13.000000000 +0000
@@ -113,6 +113,7 @@
       defined(__hpux) || \
       defined(__sgi) || \
       defined(__sun) || \
+      defined(__GNU__) || \
       defined(__GLIBC__)
 
 #  define ZT_POSIX