printf \t is more portable

diff --git a/doc/all.mk b/doc/all.mk
index 000d753acc70869cc5c3da6d24c3f214b37bdd35..de67f2643b40124c5040e133603d6efadc0c1de2 100644 (file)
--- a/doc/all.mk
+++ b/doc/all.mk
@@ -125,9 +125,9 @@ $(BUILD_DIR)/make/man.mk: $(ADOC2MAN_FILES) | $(BUILD_DIR)/make
                z=$$(basename $$x | sed 's/.adoc//'); \
                echo "INSTALL_MAN_FILES += $(R)$(mandir)/man$$y/$$z.$$y" >> $@; \
                echo "$(R)$(mandir)/man$$y/$$z.$$y: $$x" >> $@; \
-               echo "\t"'@echo INSTALL-MAN $$(notdir $$@)' >> $@; \
-               echo "\t"'@echo mkdir -p $$(dir $$@)' >> $@; \
-               echo "\t"'@asciidoctor -b manpage $$< -o $$@' >> $@; \
+               printf "\t"'@echo INSTALL-MAN $$(notdir $$@)'"\n" >> $@; \
+               printf "\t"'@echo mkdir -p $$(dir $$@)'"\n" >> $@; \
+               printf "\t"'@asciidoctor -b manpage $$< -o $$@'"\n" >> $@; \
                echo "" >> $@; \
        done