Fix tools (macos compat.)

build.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 PROJECT=$(<.project)
-NAMES=$(ls cmd/* -d | xargs -n1 basename)
+NAMES=$(find cmd/* -type d | xargs -n1 basename)
 for NAME in $NAMES; do
 	OSES=${OSS:-"linux"}
 	ARCHS=${ARCHS:-"amd64"}
@@ -17,4 +17,4 @@ for NAME in $NAMES; do
 			fi
 		done
 	done
-done
+done

codegen.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e
-set -x
+
 _PWD=$PWD
 SPECS=$(find $PWD -name 'spec.json' | xargs -n1 dirname)
 for SPEC in $SPECS; do