增加instant client for osx 64位版本
diff --git a/precomp/admin/pcscfg.cfg b/precomp/admin/pcscfg.cfg
new file mode 100644
index 0000000..263141f
--- /dev/null
+++ b/precomp/admin/pcscfg.cfg
@@ -0,0 +1,3 @@
+sys_include=($ORACLE_HOME/sdk/include,/usr/include)
+ltype=short
+define=__x86_64__