diff --git a/bitkeeper/Makefile b/bitkeeper/Makefile
index 94f638b198a..d36c777057a 100644
--- a/bitkeeper/Makefile
+++ b/bitkeeper/Makefile
@@ -11,17 +11,16 @@ HOMEPAGE=	https://www.bitkeeper.org/
 COMMENT=	Distributed Source Control System
 LICENSE=	apache-2.0
 
-USE_TOOLS+=	gmake bison lex groff perl bash
+USE_TOOLS+=	gmake bison lex groff perl bash pkg-config
 
 BUILD_DEPENDS+= gperf-[0-9]*:../../devel/gperf
 
+BUILD_DIRS=	src
+
 pre-configure:
 	perl -pe 's{BUILDLINK_DIR}{${BUILDLINK_DIR}}' \
 		< files/conf.mk.local > ${WRKSRC}/src/conf.mk.local
 
-do-build:
-	${RUN} cd ${WRKSRC}/src && ${GMAKE}  # p
-
 do-install:
 	cd ${WRKSRC}/src && \
 		${GMAKE} installdir && \