--- Makefile.orig	2021-09-06 16:20:24.000000000 -0400
+++ Makefile		2021-09-06 16:20:58.000000000 -0400
@@ -220,12 +220,12 @@
 	doxygen Doxyfile
 
 man_install:
-	@cp -r ../docs/man/man3/ /usr/local/share/man/
+	@cp -r ../docs/man/man3/ ${prefix}/share/man/
 	mandb
 
 # "sc-im" MUST match what is in Doxyfile `MAN_EXTENSION = .sc-im.3`
 man_uninstall:
-	@rm -rf /usr/local/share/man/man3/*sc-im.3
+	@rm -rf ${prefix}/share/man/man3/*sc-im.3
 	@mandb
 
 clean:
