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rustc: Call str::is_empty

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This commit is contained in:
Tim Chevalier 2013-05-27 17:38:51 -07:00
parent 760c71dc4f
commit 341678b815
1 changed files with 1 additions and 1 deletions
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src/librustc/back/rpath.rs
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@ -178,7 +178,7 @@ pub fn get_absolute_rpath(lib: &Path) -> Path {
pub fn get_install_prefix_rpath(target_triple: &str) -> Path {
let install_prefix = env!("CFG_PREFIX");
if install_prefix == ~"" {
if install_prefix.is_empty() {
fail!("rustc compiled without CFG_PREFIX environment variable");
}