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authorBrooks Davis <brooks@FreeBSD.org>2020-11-16 19:15:11 +0000
committerBrooks Davis <brooks@FreeBSD.org>2020-11-16 19:15:11 +0000
commit02e65672b4071abde68c7163d272b8cd53003eca (patch)
tree9c3feefdf71c7e81ab5de921621d258fb9ee22b6 /share
parenta521f2116473fbd8c09db395518f060a27d02334 (diff)
downloadsrc-test-02e65672b4071abde68c7163d272b8cd53003eca.tar.gz
src-test-02e65672b4071abde68c7163d272b8cd53003eca.zip
Add a guard for broken SUBDIR.${MK_FOO} use
Check for the variable SUBDIR. and error as it usually means someone forgot to include src.opts.mk. This guard from CheriBSD found the bugs in r367655 and r367728. Reviewed by: bdrewery, arichardson Obtained from: CheriBSD Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D27211
Notes
Notes: svn path=/head/; revision=367735
Diffstat (limited to 'share')
-rw-r--r--share/mk/bsd.subdir.mk6
1 files changed, 6 insertions, 0 deletions
diff --git a/share/mk/bsd.subdir.mk b/share/mk/bsd.subdir.mk
index 40fe454ecacc4..91c114f8d3612 100644
--- a/share/mk/bsd.subdir.mk
+++ b/share/mk/bsd.subdir.mk
@@ -127,6 +127,12 @@ SUBDIR:=${SUBDIR} ${SUBDIR.yes} ${SUBDIR.yes.yes}
SUBDIR:=${SUBDIR:u}
.endif
+.if defined(SUBDIR.)
+.error ${.CURDIR}: Found variable SUBDIR. with value "${SUBDIR.}". This was \
+ probably caused by using SUBDIR.$${MK_FOO} without including \
+ <src.opts.mk> or by using an invalid $${MK_FOO} option.
+.endif
+
# Subdir code shared among 'make <subdir>', 'make <target>' and SUBDIR_PARALLEL.
_SUBDIR_SH= \
if test -d ${.CURDIR}/$${dir}.${MACHINE_ARCH}; then \