diff --git a/ChangeLog b/ChangeLog
index ab92166e4..a90002438 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2003-07-27  Marius Vollmer  <mvo@zagadka.de>
 
+	* configure.in: Look for sched_yield in -lrt; this is needed for
+	Solaris.  Thanks to Matthias Koeppe!
+	(setgroups): Check for it.
+
 	* configure.in (__libc_stack_end): Actually use the value in
 	__libc_stack_end for something so that the access doesn't get
 	optimized away.  Thanks to Matthias Koeppe!
diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index 07bdedf4f..1e31aef82 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,5 +1,10 @@
 2003-07-27  Marius Vollmer  <mvo@zagadka.de>
 
+	* posix.h (scm_setgroups): New prototype.
+	* posix.c (scm_setgroups): New.  Thanks to Paul Jarc!
+	(scm_getgroups): Handle groups ids that don't fit into a fixnum.
+	Don't use SCM_WRITABLE_VELTS.
+	
 	* gc.h (SCM_GC_SET_CELL_BVEC): New.
 	* gc-card.c (scm_i_init_card_freelist): Use it.  Thanks to
 	Matthias Koeppe!