hg: jdk9/dev: 8138694: Devkit build on Macosx still requires Xcode to be installed

[erik.joelsson at oracle.com]

Changeset: 6e5ccf55ed76
Author:    erikj
Date:      2015-10-05 13:44 +0200
URL:       http://hg.openjdk.java.net/jdk9/dev/rev/6e5ccf55ed76

8138694: Devkit build on Macosx still requires Xcode to be installed
Reviewed-by: ihse, tbell

! common/autoconf/configure.ac
! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh
! common/autoconf/hotspot-spec.gmk.in
! common/autoconf/spec.gmk.in
! common/autoconf/toolchain.m4