Use the standard expr ":" syntax
diff --git a/man/Makefile.in b/man/Makefile.in
index 8f1bfda..01fe852 100644
--- a/man/Makefile.in
+++ b/man/Makefile.in
@@ -90,7 +90,7 @@
for j in `$(SED) -n '/^.SH NAME/,/^.SH SYNOPSIS/p' $$i | $(SED) -e 's/.- .*//' | $(SED) 's/,.*//' | $(EGREP) -v '^.SH ' `; do \
echo "making man page alias $$j -> $$i APIs" ; \
echo ".so man3/$$i" > $$j.3 ; \
- if expr match "$(MANALIASES)" ".*$$j\\.3" > /dev/null ; \
+ if expr "$(MANALIASES)" : ".*$$j\\.3" > /dev/null ; \
then \
: ; \
else \