[postgis-tickets] r16068 - add comment

[Regina Obe]

Author: robe
Date: 2017-10-26 16:16:24 -0700 (Thu, 26 Oct 2017)
New Revision: 16068

Modified:
   trunk/configure.ac
Log:
add comment
References #3916
References #3912

Modified: trunk/configure.ac
===================================================================
--- trunk/configure.ac	2017-10-26 17:04:34 UTC (rev 16067)
+++ trunk/configure.ac	2017-10-26 23:16:24 UTC (rev 16068)
@@ -18,6 +18,8 @@
 dnl Invoke libtool: we do this as it is the easiest way to find the PIC
 dnl flags required to build liblwgeom
 AC_PROG_LIBTOOL
+
+dnl help resolve @INSTALL@ to proper install program
 AC_PROG_INSTALL
 
 dnl