Temporary use gcc-rs from git until new version released

Author: Phaiax

Cargo.toml

@@ -5,9 +5,11 @@ name = "compiler_builtins"
 version = "0.1.0"
 
 [build-dependencies]
-gcc = "0.3.35"
 rustc-cfg = "0.2.0"
 
+[build-dependencies.gcc]
+git = "https://github.com/alexcrichton/gcc-rs"
+
 [dependencies]
 
 [dependencies.rlibc]

compiler-rt/compiler-rt-cdylib/Cargo.toml

@@ -7,5 +7,5 @@ build = "build.rs"
 [lib]
 crate-type = ["cdylib"]
 
-[build-dependencies]
-gcc = "0.3"
+[build-dependencies.gcc]
+git = "https://github.com/alexcrichton/gcc-rs"