From 1b7dd3056d14247392cc9cd43d3616ffc8b5f41d Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Sat, 18 Mar 2017 17:33:03 -0700
Subject: [PATCH] Return early in CMakeLists.txt to prevent re-adding
 dependency.

---
 CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0600328..51af2f7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,9 @@
 cmake_minimum_required(VERSION 2.7)
+
+if(TARGET regex)
+  return()
+endif(TARGET regex)
+
 project(libregex)
 
 add_library(regex STATIC src/libregex.c)