make cleanの動作を修正

diff --git a/Makefile b/Makefile
index e36b37f..c5e491e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,6 @@
-prefix = $(HOME)
+ifndef prefix
+    prefix = $(HOME)
+endif
 CLEANDIR = src test/integration test/unit as/casl2lib
 .PHPNY: all build clean check doc casl2lib install uninstall
 all: build casl2lib
@@ -11,7 +13,8 @@ check:
 doc:
        @make -sC doc
 clean:
-       @for target in $(CLEANDIR); do $(MAKE) -sC $$target clean; done
+       @for target in $(CLEANDIR); do $(MAKE) -sC $$target clean; done; \
+     rm -f casl2 comet2 dumpword
 install: all
        @if test -d $(prefix); then \
        install -s ./casl2 $(prefix)/casl2; \