hg: build-infra/jdk9: <file>_CFLAGS now creates a separate vardeps file so that only vm_version.cpp is recompiled after reconfigure instead of all of hotspot

[erik.joelsson at oracle.com]

Changeset: 00a783748f56
Author:    erikj
Date:      2015-03-25 14:02 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/00a783748f56

<file>_CFLAGS now creates a separate vardeps file so that only vm_version.cpp is recompiled after reconfigure instead of all of hotspot

! make/common/NativeCompilation.gmk