note, in comments, some per-directory variables autoconf sets

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@16157 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/config/pre.in b/src/config/pre.in
index 4881e294aa11c8ca5a3e8265ee9190666101d11d..6b20fc769321f74353a717886f5126a337903748 100644 (file)
--- a/src/config/pre.in
+++ b/src/config/pre.in
@@ -3,6 +3,20 @@
 ## common prefix for all Makefile.in in the Kerberos V5 tree.
 ##
 
+# These are set per-directory by autoconf 2.52 and 2.53:
+#  srcdir=@srcdir@
+#  top_srcdir=@top_srcdir@
+# but these are only set by autoconf 2.53, and thus not useful to us on
+# Mac OS X yet (as of 10.2):
+#  abs_srcdir=@abs_srcdir@
+#  abs_top_srcdir=@abs_top_srcdir@
+#  builddir=@builddir@
+#  abs_builddir=@abs_builddir@
+#  top_builddir=@top_builddir@
+#  abs_top_builddir=@abs_top_builddir@
+# The "top" variables refer to the directory with the configure (or
+# config.status) script.
+
 WHAT = unix
 SHELL=/bin/sh