diff -ur subversion-1.8.14.orig/build/ac-macros/apache.m4 subversion-1.8.14/build/ac-macros/apache.m4
--- subversion-1.8.14.orig/build/ac-macros/apache.m4	Mon Jul 27 02:23:40 2015
+++ subversion-1.8.14/build/ac-macros/apache.m4	Tue Jul 28 11:08:30 2015
@@ -164,7 +164,7 @@
     if ! test -e $HTTPD ; then
       HTTPD="`$APXS -q bindir`/`$APXS -q PROGNAME`"
     fi
-    HTTPD_VERSION=["`$HTTPD -v | $SED -e 's@^.*/\([0-9.]*\)\(.*$\)@\1@ ; 1q'`"]
+    HTTPD_VERSION=["`$HTTPD -v | $SED -e 's/^.*Apache\/\([0-9.]*\).*$/\1/' -e 1q`"]
     AC_ARG_ENABLE(broken-httpd-auth,
       AS_HELP_STRING([--enable-broken-httpd-auth],
                      [Allow building against httpd 2.4 with broken auth]),