gthr-dce.h: If _DCE_THREADS is not defined, then just include gthr-single.

        * gthr-dce.h: If _DCE_THREADS is not defined, then just include
        gthr-single.

From-SVN: r47490

gcc/ChangeLog

+Fri Nov 30 12:48:26 2001  Jeffrey A Law  (law@cygnus.com)
+
+	* gthr-dce.h: If _DCE_THREADS is not defined, then just include
+	gthr-single.
+
 2001-11-30  Jason Merrill  <jason@redhat.com>
 
 	* dwarf2out.c (is_cxx): New fn.

gcc/gthr-dce.h

@@ -29,6 +29,12 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #ifndef GCC_GTHR_DCE_H
 #define GCC_GTHR_DCE_H
 
+/* If _DCE_THREADS is not defined, then we're building the single
+   threaded version of the libraries and do not want to reference
+   anything related to pthreads or dce.  */
+#ifndef _DCE_THREADS
+#include "gthr-single.h"
+#else
 /* DCE threads interface.
    DCE threads are based on POSIX threads draft 4, and many things
    have changed since then.  */
@@ -487,4 +493,5 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex)
 
 #undef UNUSED
 
+#endif
 #endif /* ! GCC_GTHR_DCE_H */