patch 7.4.1216
Problem: Still using HAVE_STDARG_H.
Solution: Assume it's always defined.
diff --git a/src/auto/configure b/src/auto/configure
index 8dfecaf..967a568 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -10064,7 +10064,7 @@
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
-for ac_header in stdarg.h stdint.h stdlib.h string.h \
+for ac_header in stdint.h stdlib.h string.h \
sys/select.h sys/utsname.h termcap.h fcntl.h \
sgtty.h sys/ioctl.h sys/time.h sys/types.h \
termio.h iconv.h inttypes.h langinfo.h math.h \