diff --git a/moo/Makefile.in b/moo/Makefile.in
index 7777fba..9e029b0 100644
--- a/moo/Makefile.in
+++ b/moo/Makefile.in
@@ -166,8 +166,8 @@ am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/ac/ar-lib \
 	$(top_srcdir)/ac/compile $(top_srcdir)/ac/config.guess \
 	$(top_srcdir)/ac/config.sub $(top_srcdir)/ac/install-sh \
 	$(top_srcdir)/ac/ltmain.sh $(top_srcdir)/ac/missing ac/ar-lib \
-	ac/compile ac/config.guess ac/config.sub ac/install-sh \
-	ac/ltmain.sh ac/missing
+	ac/compile ac/config.guess ac/config.sub ac/depcomp \
+	ac/install-sh ac/ltmain.sh ac/missing
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
diff --git a/moo/configure b/moo/configure
index 0d171ff..42e37ff 100755
--- a/moo/configure
+++ b/moo/configure
@@ -20667,16 +20667,18 @@ fi
 
 if test ${ac_cv_sizeof___int128_t} -gt 0
 then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking __int128_t with %" >&5
-$as_echo_n "checking __int128_t with %... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking __int128_t with % and va_arg" >&5
+$as_echo_n "checking __int128_t with % and va_arg... " >&6; }
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
+#include <stdarg.h>
 int
 main ()
 {
 
 			volatile __int128_t x, base;
+			va_list ap;
+			va_arg(ap, __int128_t);
 			x = (__int128_t)&base;
 			base = (__int128_t)&x;
 			x = x % base;
diff --git a/moo/configure.ac b/moo/configure.ac
index bcea909..c86f6ac 100644
--- a/moo/configure.ac
+++ b/moo/configure.ac
@@ -458,10 +458,12 @@ dnl Changing ac_cv_sizeof___int128_t here doesn't corret SIZEOF___INT128_T
 dnl since it's already generated. It only affects MOO_SIZEOF___INT128_T below.
 if test ${ac_cv_sizeof___int128_t} -gt 0
 then
-	AC_MSG_CHECKING([__int128_t with %])
+	AC_MSG_CHECKING([__int128_t with % and va_arg])
 	AC_COMPILE_IFELSE(
-		[AC_LANG_PROGRAM([], [
+		[AC_LANG_PROGRAM([#include <stdarg.h>], [
 			volatile __int128_t x, base;
+			va_list ap;
+			va_arg(ap, __int128_t);
 			x = (__int128_t)&base;
 			base = (__int128_t)&x;
 			x = x % base;
diff --git a/moo/kernel/Collect.moo b/moo/kernel/Collect.moo
index 2d0b6c7..745a3f4 100644
--- a/moo/kernel/Collect.moo
+++ b/moo/kernel/Collect.moo
@@ -94,7 +94,7 @@ class SequenceableCollection(Collection)
 	}
 }
 
-	## -------------------------------------------------------------------------------
+## -------------------------------------------------------------------------------
 class(#pointer) Array(SequenceableCollection)
 {
 	method size