Index: AFLplusplus-2.63c/GNUmakefile
===================================================================
--- AFLplusplus-2.63c.orig/GNUmakefile
+++ AFLplusplus-2.63c/GNUmakefile
@@ -21,8 +21,8 @@ HASH=\#
PREFIX ?= /usr/local
BIN_PATH = $(PREFIX)/bin
-HELPER_PATH = $(PREFIX)/lib/afl
-DOC_PATH = $(PREFIX)/share/doc/afl
+HELPER_PATH = $(LIBEXEC_DIR)/afl
+DOC_PATH = $(DOC_DIR)/afl
MISC_PATH = $(PREFIX)/share/afl
MAN_PATH = $(PREFIX)/man/man8