diff options
Diffstat (limited to 'compiler/rustc_session/src/config.rs')
| -rw-r--r-- | compiler/rustc_session/src/config.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 1f5cb5b8abc..ad2b36691b5 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -1865,7 +1865,12 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options { check_thread_count(&debugging_opts, error_format); - let incremental = cg.incremental.as_ref().map(PathBuf::from); + let incremental = + if std::env::var_os("RUSTC_FORCE_INCREMENTAL").map(|v| v == "1").unwrap_or(false) { + cg.incremental.as_ref().map(PathBuf::from) + } else { + None + }; if debugging_opts.profile && incremental.is_some() { early_error( |