1 files changed, 5 insertions, 3 deletions

diff --git a/src/man/Makefile b/src/man/Makefile
index 682aadaad..767920e2b 100644
--- a/src/man/Makefile
+++ b/src/man/Makefile
@@ -3,6 +3,8 @@ ROOT = ../..
 -include $(ROOT)/config.mk
 
 GAWK ?= gawk
+GZIP ?= gzip
+RM ?= rm -f
 
 MOD_DIR := $(ROOT)/src/man
 MANPAGES_IN := $(sort $(wildcard $(MOD_DIR)/*.in))
@@ -21,8 +23,8 @@ $(MOD_DIR)/%: $(MOD_DIR)/%.in $(ROOT)/config.mk
 # foo.1.gz: foo.1
 $(MOD_DIR)/%.gz: $(MOD_DIR)/%
         @printf 'Generating %s from %s\n' $@ $<
-        @rm -f $@
-        @gzip -n9 $<
+        @$(RM) $@
+        @$(GZIP) -n9 $<
 
 .PHONY: clean
-clean:; rm -f *.1 *.5 *.gz
+clean:; $(RM) *.1 *.5 *.gz