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-rw-r--r--Mk/bsd.port.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/Mk/bsd.port.mk b/Mk/bsd.port.mk
index 3f391faf0553..1e2293d0f3bf 100644
--- a/Mk/bsd.port.mk
+++ b/Mk/bsd.port.mk
@@ -2837,7 +2837,7 @@ SET_LATE_CONFIGURE_ARGS= \
if [ ! -z "`./${CONFIGURE_SCRIPT} --help 2>&1 | ${GREP} -- '--infodir'`" ]; then \
_LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} --infodir=${PREFIX}/${INFO_PATH}/${INFO_SUBDIR}" ; \
fi ; \
- if [ -z "`./${CONFIGURE_SCRIPT} --version 2>&1 | ${EGREP} '(2\.13|Unrecognized option)'`" ]; then \
+ if [ -z "`./${CONFIGURE_SCRIPT} --version 2>&1 | ${EGREP} -i '(autoconf.*2\.13|Unrecognized option)'`" ]; then \
_LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} --build=${CONFIGURE_TARGET}" ; \
else \
_LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} ${CONFIGURE_TARGET}" ; \