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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/num-traits/build.rs | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/num-traits/build.rs')
-rw-r--r-- | third_party/rust/num-traits/build.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/third_party/rust/num-traits/build.rs b/third_party/rust/num-traits/build.rs new file mode 100644 index 0000000000..c7bf364f1c --- /dev/null +++ b/third_party/rust/num-traits/build.rs @@ -0,0 +1,29 @@ +extern crate autocfg; + +use std::env; + +fn main() { + let ac = autocfg::new(); + + // If the "i128" feature is explicity requested, don't bother probing for it. + // It will still cause a build error if that was set improperly. + if env::var_os("CARGO_FEATURE_I128").is_some() || ac.probe_type("i128") { + autocfg::emit("has_i128"); + } + + ac.emit_expression_cfg( + "unsafe { 1f64.to_int_unchecked::<i32>() }", + "has_to_int_unchecked", + ); + + ac.emit_expression_cfg("1u32.reverse_bits()", "has_reverse_bits"); + ac.emit_expression_cfg("1u32.trailing_ones()", "has_leading_trailing_ones"); + ac.emit_expression_cfg("{ let mut x = 1; x += &2; }", "has_int_assignop_ref"); + ac.emit_expression_cfg("1u32.div_euclid(1u32)", "has_div_euclid"); + + if env::var_os("CARGO_FEATURE_STD").is_some() { + ac.emit_expression_cfg("1f64.copysign(-1f64)", "has_copysign"); + } + + autocfg::rerun_path("build.rs"); +} |