diff --git a/sc2/build/build_functions b/sc2/build/build_functions
index d34d8d65b..30ff9c641 100644
--- a/sc2/build/build_functions
+++ b/sc2/build/build_functions
@@ -167,7 +167,7 @@ build_check_config() {
 	[ ! -e build.vars -o -n "$BUILD_RUN_CONFIG" ] || return
 
 	build_config || exit $?
-	. build.vars
+	. ./build.vars
 	. "${BUILD_REC_PATH}Makeinfo"
 	unset BUILD_RUN_CONFIG
 }
diff --git a/sc2/build/config_proginfo b/sc2/build/config_proginfo
index a17f24eaa..ca45c628c 100644
--- a/sc2/build/config_proginfo
+++ b/sc2/build/config_proginfo
@@ -80,7 +80,7 @@ LIB_SDL_image_VERSION=""
 LIB_openal_NAME="OpenAL"
 LIB_openal_CFLAGS=""
 case "$OSNAME" in
-	FreeBSD)   LIB_openal_LDFLAGS="-L/usr/local/lib -pthread -lopenal" ;;
+	FreeBSD|OpenBSD)   LIB_openal_LDFLAGS="-L/usr/local/lib -pthread -lopenal" ;;
 	MINGW32*)  LIB_openal_LDFLAGS="-lopenal32" ;;
 	*)         LIB_openal_LDFLAGS="-lopenal" ;;
 esac
@@ -88,7 +88,7 @@ LIB_openal_VERSION=""
 
 LIB_opengl_NAME="OpenGL"
 case "$OSNAME" in
-	FreeBSD)
+	FreeBSD|OpenBSD)
 		LIB_opengl_CFLAGS="-I/usr/X11R6/include -D_THREAD_SAFE"
 		LIB_opengl_LDFLAGS="-L/usr/X11R6/lib -lX11 -lXext -pthread -lGL"
 		;;