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author | Jacob Hoffman-Andrews <github@hoffman-andrews.com> | 2023-03-31 23:07:51 -0700 |
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committer | Jacob Hoffman-Andrews <github@hoffman-andrews.com> | 2023-04-03 13:46:10 -0700 |
commit | 52808cef25e8404488e5e8dec9330c90b59df6d0 (patch) | |
tree | 1891e2cc601935939932e5c8fe9b71751a5b74e5 | |
parent | 68e06adafa8f793b094a23b210d39b27c813600c (diff) | |
download | rust-libc-52808cef25e8404488e5e8dec9330c90b59df6d0.tar.gz |
build.rs: print rustc stderr if exit status != 0
-rw-r--r-- | build.rs | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -1,6 +1,7 @@ use std::env; use std::process::Command; use std::str; +use std::string::String; // List of cfgs this build script is allowed to set. The list is needed to support check-cfg, as we // need to know all the possible cfgs that this script will set. If you need to set another cfg @@ -181,6 +182,13 @@ fn rustc_minor_nightly() -> (u32, bool) { .output() .ok() .expect("Failed to get rustc version"); + if !output.status.success() { + panic!( + "failed to run rustc: {}", + String::from_utf8_lossy(output.stderr.as_slice()) + ); + } + let version = otry!(str::from_utf8(&output.stdout).ok()); let mut pieces = version.split('.'); |