Subject: Setting BUILD_NUMBER for ccache to be effective
Newsgroups: gmane.comp.java.openjdk.build.devel
Date: 2007-06-08 17:17:54 GMT (2 years, 3 weeks, 6 days, 17 hours and 11 minutes ago)
Regards, Petteri -- Gentoo/Java project lead
ccache looks at gcc command line and bases the cache on that so we need to keep it static. See HOW IT WORKS in http://ccache.samba.org/ccache-man.html Index: README-builds.html =================================================================== --- README-builds.html (revision 237) +++ README-builds.html (working copy) @@ -1367,7 +1367,10 @@ and the rest of the JDK will often be disk intensive. <p> Faster compiles are possible using a tool called - <a href="http://ccache.samba.org/">ccache</a>. + <a href="http://ccache.samba.org/">ccache</a>. To be effectively able to + use ccache set the BUILD_NUMBER environment variable. It by default has the + value of the current date which invalidates the ccache. + </p> </blockquote> </li> <li>