Author: bdrewery
Date: Mon Apr 18 18:14:02 2016
New Revision: 298219
URL: https://svnweb.freebsd.org/changeset/base/298219
Log:
Cause an error during 'make install' if trying to compile with CC.
This is limited to src-tree builds, meaning not extended to ports or other
out-of-tree builds.
This will help ensure that read-only OBJDIRS will be respected at install-time
by causing a more consistent failure for those who don't use a read-only
OBJDIR. It also will cause Jenkins to yell. This is a better solution than
trying to see CC=false as has been attempted and discussed before.
Of course this is only relevant for files generated by CC.
Disable this for META_MODE since it will detect the CFLAGS/command
change and force a rebuild.
Sponsored by: EMC / Isilon Storage Division
Modified:
head/share/mk/bsd.sys.mk
Modified: head/share/mk/bsd.sys.mk
==============================================================================
--- head/share/mk/bsd.sys.mk Mon Apr 18 18:13:58 2016 (r298218)
+++ head/share/mk/bsd.sys.mk Mon Apr 18 18:14:02 2016 (r298219)
@@ -178,6 +178,13 @@ ACFLAGS+= ${ACFLAGS.${.IMPSRC:T}}
CFLAGS+= ${CFLAGS.${.IMPSRC:T}}
CXXFLAGS+= ${CXXFLAGS.${.IMPSRC:T}}
+.if defined(SRCTOP)
+# Prevent rebuilding during install to support read-only objdirs.
+.if make(install) && empty(.MAKE.MODE:Mmeta)
+CFLAGS+= ERROR-tried-to-rebuild-during-make-install
+.endif
+.endif
+
# Tell bmake not to mistake standard targets for things to be searched for
# or expect to ever be up-to-date.
PHONY_NOTMAIN = analyze afterdepend afterinstall all beforedepend
beforeinstall \
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