diff -urN perl.orig/Makefile.PL perl/Makefile.PL
--- perl.orig/Makefile.PL	2005-09-06 00:09:48.000000000 +0900
+++ perl/Makefile.PL	2006-11-03 02:36:37.000000000 +0900
@@ -6,7 +6,7 @@
     'LD'                => 'g++',
     'NAME'		=> 'YamCha',
     'VERSION_FROM'	=> 'YamCha.pm', # finds $VERSION
-    'INC'               => '-I/usr/local/include',
-    'LIBS'              => '-L/usr/local/lib  -lm -lstdc++ -lyamcha',
+    'INC'               => '-I../src -I/usr/local/include',
+    'LIBS'              => '-L../src -L/usr/local/lib  -lm -lstdc++ -lyamcha',
     'OBJECT'            => 'YamCha_wrap.o' 
 );
diff -urN perl.orig/Makefile.PL.in perl/Makefile.PL.in
--- perl.orig/Makefile.PL.in	2004-09-20 18:35:52.000000000 +0900
+++ perl/Makefile.PL.in	2006-11-03 02:36:23.000000000 +0900
@@ -6,7 +6,7 @@
     'LD'                => '@CXX@',
     'NAME'		=> 'YamCha',
     'VERSION_FROM'	=> 'YamCha.pm', # finds $VERSION
-    'INC'               => '-I@prefix@/include',
-    'LIBS'              => '-L@prefix@/lib @YAMCHA_LIBS@ -lyamcha',
+    'INC'               => '-I../src -I@prefix@/include',
+    'LIBS'              => '-L../src -L@prefix@/lib @YAMCHA_LIBS@ -lyamcha',
     'OBJECT'            => 'YamCha_wrap.o' 
 );