configure.ac (*-*-solaris2*): Add -lrt to THREADLIBS.

	* configure.ac (*-*-solaris2*): Add -lrt to THREADLIBS.
	* configure: Regenerate.

From-SVN: r169436

boehm-gc/ChangeLog

+2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* configure.ac (*-*-solaris2*): Add -lrt to THREADLIBS.
+	* configure: Regenerate.
+
 2010-12-10  Iain Sandoe  <iains@gcc.gnu.org>
 
 	* powerpc_darwin_mach_dep.s:  Update for m64.  Add eh frames.

boehm-gc/configure

@@ -14910,7 +14910,9 @@ $as_echo "#define GC_SOLARIS_PTHREADS 1" >>confdefs.h
 	# The alternate thread library was only introduced in Solaris 8 and
 	# became the default in Solaris 9, so no need for the special code
 	# above otherwise.
-	THREADLIBS=-lpthread
+	# nanosleep, sched_yield, and sem_* only live in librt before
+	# Solaris 11.
+	THREADLIBS="-lpthread -lrt"
 	;;
      *-*-irix*)
 

boehm-gc/configure.ac

@@ -193,7 +193,9 @@ case "$THREADS" in
 	# The alternate thread library was only introduced in Solaris 8 and
 	# became the default in Solaris 9, so no need for the special code
 	# above otherwise.
-	THREADLIBS=-lpthread
+	# nanosleep, sched_yield, and sem_* only live in librt before
+	# Solaris 11.
+	THREADLIBS="-lpthread -lrt"
 	;;
      *-*-irix*)
 	AC_DEFINE(GC_IRIX_THREADS,1,[support for Irix pthreads])