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authorbdrewery <bdrewery@FreeBSD.org>2015-12-04 18:06:47 +0000
committerbdrewery <bdrewery@FreeBSD.org>2015-12-04 18:06:47 +0000
commiteae1434b51b71593308d6907ba66b4d39fc2dfae (patch)
treee0c3e663c54380f5632b16a3b376f989dd210d41 /share
parent241e144b762bd19011bee89a44c0a25cd7439148 (diff)
downloadFreeBSD-src-eae1434b51b71593308d6907ba66b4d39fc2dfae.zip
FreeBSD-src-eae1434b51b71593308d6907ba66b4d39fc2dfae.tar.gz
MFC r289286,r291338,r291340:
r289286: Follow-up r288218 by ensuring common objects are built before recursing. r291338: Fix the "common object" handling to not depend on ".o" if SRCS only contains headers. r291340: Follow-up r291338 to handle .d, .y and .l files better as well.
Diffstat (limited to 'share')
-rw-r--r--share/mk/bsd.progs.mk22
1 files changed, 22 insertions, 0 deletions
diff --git a/share/mk/bsd.progs.mk b/share/mk/bsd.progs.mk
index 474dd31..968688a 100644
--- a/share/mk/bsd.progs.mk
+++ b/share/mk/bsd.progs.mk
@@ -92,6 +92,28 @@ $v =
# tell progs.mk we might want to install things
PROGS_TARGETS+= checkdpadd clean cleandepend cleandir depend install
+# Find common sources among the PROGS and depend on them before building
+# anything. This allows parallelization without them each fighting over
+# the same objects.
+_PROGS_COMMON_SRCS=
+_PROGS_ALL_SRCS=
+.for p in ${PROGS}
+.for s in ${SRCS.${p}}
+.if ${_PROGS_ALL_SRCS:M${s}} && !${_PROGS_COMMON_SRCS:M${s}}
+_PROGS_COMMON_SRCS+= ${s}
+.else
+_PROGS_ALL_SRCS+= ${s}
+.endif
+.endfor
+.endfor
+.if !empty(_PROGS_COMMON_SRCS)
+_PROGS_COMMON_OBJS= ${_PROGS_COMMON_SRCS:M*.[dhly]}
+.if !empty(_PROGS_COMMON_SRCS:N*.[dhly])
+_PROGS_COMMON_OBJS+= ${_PROGS_COMMON_SRCS:N*.[dhly]:R:S/$/.o/g}
+.endif
+${PROGS}: ${_PROGS_COMMON_OBJS}
+.endif
+
.for p in ${PROGS}
.if defined(PROGS_CXX) && !empty(PROGS_CXX:M$p)
# bsd.prog.mk may need to know this
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