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-rw-r--r--mk/subst.mk4
1 files changed, 2 insertions, 2 deletions
diff --git a/mk/subst.mk b/mk/subst.mk
index 099a130a0ba..cd9b769748a 100644
--- a/mk/subst.mk
+++ b/mk/subst.mk
@@ -1,4 +1,4 @@
-# $NetBSD: subst.mk,v 1.76 2020/04/18 11:42:34 rillig Exp $
+# $NetBSD: subst.mk,v 1.77 2020/04/18 12:21:10 rillig Exp $
#
# The subst framework replaces text in one or more files in the WRKSRC
# directory. Packages can define several ``classes'' of replacements.
@@ -128,7 +128,7 @@ SUBST_FILTER_CMD.${class}?= LC_ALL=C ${SED} ${SUBST_SED.${class}}
SUBST_VARS.${class}?= # none
SUBST_MESSAGE.${class}?= Substituting "${class}" in ${SUBST_FILES.${class}}
. for v in ${SUBST_VARS.${class}}
-SUBST_FILTER_CMD.${class}+= -e s,@${v:C|[^A-Za-z0-9_]|\\\\&|gW:Q}@,${${v}:S|\\|\\\\|gW:S|,|\\,|gW:S|&|\\\&|gW:S|${.newline}|\\${.newline}|gW:Q},g
+SUBST_FILTER_CMD.${class}+= -e s,@${v:C|[.[\\*^${$}]|\\\\&|gW:Q}@,${${v}:S|\\|\\\\|gW:S|,|\\,|gW:S|&|\\\&|gW:S|${.newline}|\\${.newline}|gW:Q},g
. endfor
. if ${SUBST_SHOW_DIFF.${class}:U${SUBST_SHOW_DIFF}:tl} == yes
_SUBST_KEEP.${class}?= LC_ALL=C ${DIFF} -u "$$file" "$$tmpfile" || true