--- ./Makefile.ORIGIN	2019-02-27 17:40:16 +0100
+++ ./Makefile	2019-02-27 17:40:56 +0100
@@ -2190,7 +2190,7 @@
 
 $(SCRIPT_PERL_GEN): % : %.perl GIT-PERL-DEFINES GIT-PERL-HEADER GIT-VERSION-FILE
 	$(QUIET_GEN)$(RM) $@ $@+ && \
-	sed -e '1{' \
+	/opt/freeware/bin/sed -e '1{' \
 	    -e '	s|#!.*perl|#!$(PERL_PATH_SQ)|' \
 	    -e '	r GIT-PERL-HEADER' \
 	    -e '	G' \
@@ -1999,7 +1999,7 @@
 else # NO_PERL
 $(SCRIPT_PERL_GEN) git-instaweb: % : unimplemented.sh
 	$(QUIET_GEN)$(RM) $@ $@+ && \
-	sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
+	/opt/freeware/bin/sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
 	    -e 's|@@REASON@@|NO_PERL=$(NO_PERL)|g' \
 	    unimplemented.sh >$@+ && \
 	chmod +x $@+ && \
@@ -2013,14 +2013,14 @@
 $(SCRIPT_PYTHON_GEN): GIT-CFLAGS GIT-PREFIX GIT-PYTHON-VARS
 $(SCRIPT_PYTHON_GEN): % : %.py
 	$(QUIET_GEN)$(RM) $@ $@+ && \
-	sed -e '1s|#!.*python|#!$(PYTHON_PATH_SQ)|' \
+	/opt/freeware/bin/sed -e '1s|#!.*python|#!$(PYTHON_PATH_SQ)|' \
 	    $< >$@+ && \
 	chmod +x $@+ && \
 	mv $@+ $@
 else # NO_PYTHON
 $(SCRIPT_PYTHON_GEN): % : unimplemented.sh
 	$(QUIET_GEN)$(RM) $@ $@+ && \
-	sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
+	/opt/freeware/bin/sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
 	    -e 's|@@REASON@@|NO_PYTHON=$(NO_PYTHON)|g' \
 	    unimplemented.sh >$@+ && \
 	chmod +x $@+ && \
@@ -2262,7 +2262,7 @@
 
 	@for s in $(LOCALIZED_C) $(LOCALIZED_SH) $(LOCALIZED_PERL); \
 	do \
-		sed -e 's|PRItime|PRIuMAX|g' <"$$s" >"$$s+" && \
+		/opt/freeware/bin/sed -e 's|PRItime|PRIuMAX|g' <"$$s" >"$$s+" && \
 		cat "$$s+" >"$$s" && rm "$$s+"; \
 	done
 
@@ -2733,7 +2733,7 @@
 		esac ; \
 		test -f "Documentation/$$v.txt" || \
 		echo "no doc: $$v"; \
-		sed -e '1,/^### command list/d' -e '/^#/d' command-list.txt | \
+		/opt/freeware/bin/sed -e '1,/^### command list/d' -e '/^#/d' command-list.txt | \
 		grep -q "^$$v[ 	]" || \
 		case "$$v" in \
 		git) ;; \
@@ -2741,13 +2741,13 @@
 		esac ; \
 	done; \
 	( \
-		sed -e '1,/^### command list/d' \
+		/opt/freeware/bin/sed -e '1,/^### command list/d' \
 		    -e '/^#/d' \
 		    -e 's/[ 	].*//' \
 		    -e 's/^/listed /' command-list.txt; \
 		$(MAKE) -C Documentation print-man1 | \
 		grep '\.txt$$' | \
-		sed -e 's|Documentation/|documented |' \
+		/opt/freeware/bin/sed -e 's|Documentation/|documented |' \
 		    -e 's/\.txt//'; \
 	) | while read how cmd; \
 	do \