From 230f6c810779ac108c4375e340b9ba43e94e0ce8 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Fri, 20 Feb 2015 14:16:53 -0800
Subject: [PATCH] Fix looking at CFLAGS

---
 Cargo.toml | 2 +-
 src/lib.rs | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 83957e4..d54563b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "gcc"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["Alex Crichton <alex@alexcrichton.com>"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/alexcrichton/gcc-rs"
diff --git a/src/lib.rs b/src/lib.rs
index 7ad6c79..c618e8c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -270,7 +270,8 @@ fn ar(target: &str) -> String {
 
 fn cflags() -> Vec<String> {
     get_var("CFLAGS").unwrap_or(String::new())
-       .split(|c: char| c.is_whitespace()).map(|s| s.to_string())
+       .split(|c: char| c.is_whitespace()).filter(|s| !s.is_empty())
+       .map(|s| s.to_string())
        .collect()
 }