Author: arichardson Date: Wed Jul 15 12:07:47 2020 New Revision: 363216 URL: https://svnweb.freebsd.org/changeset/base/363216
Log: Avoid rebuilding libpmc in every incremental rebuild Generate libpmc_events.c in a temporary file first and only overwrite it if the files are actually different. This avoids compiling and relinking the different variants of libpmc on every incremental build. Reviewed By: jhb Differential Revision: https://reviews.freebsd.org/D24784 Modified: head/lib/libpmc/Makefile Modified: head/lib/libpmc/Makefile ============================================================================== --- head/lib/libpmc/Makefile Wed Jul 15 10:24:39 2020 (r363215) +++ head/lib/libpmc/Makefile Wed Jul 15 12:07:47 2020 (r363216) @@ -32,9 +32,13 @@ SUBDIR+= pmu-events .endif .endif -libpmc_events.c: ${JEVENTS} - ${JEVENTS} ${EVENT_ARCH} ${.CURDIR}/pmu-events/arch libpmc_events.c -SRCS+= libpmc_events.c +libpmc_events.c: ${JEVENTS} .META + ${JEVENTS} ${EVENT_ARCH} ${.CURDIR}/pmu-events/arch ${.TARGET}.tmp + if [ ! -e ${.TARGET} ] || ! cmp -s ${.TARGET} ${.TARGET}.tmp; then \ + mv -f ${.TARGET}.tmp ${.TARGET}; \ + fi +CLEANFILES+= libpmc_events.c libpmc_events.c.tmp +SRCS+= libpmc_events.c .endif WARNS?= 3 _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
