M-Labs/compiler-builtins-zynq
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Remove superfluous cc flags

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Latest `cc-rs` already manage all arm/thumb flags, so We can
safely remove this piece of code.
This commit is contained in:
Paolo Teti 2018-09-08 17:41:26 +02:00
parent 5a88717b46
commit 59353afa10
1 changed files with 0 additions and 23 deletions
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23
build.rs
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@ -141,29 +141,6 @@ mod c {
cfg.define("VISIBILITY_HIDDEN", None);
}
// NOTE Most of the ARM intrinsics are written in assembly. Tell gcc which arch we are going
// to target to make sure that the assembly implementations really work for the target. If
// the implementation is not valid for the arch, then gcc will error when compiling it.
if llvm_target[0].starts_with("thumb") {
cfg.flag("-mthumb");
}
if target_arch_arm && llvm_target.last() == Some(&"eabihf") {
cfg.flag("-mfloat-abi=hard");
}
if llvm_target[0] == "thumbv6m" {
cfg.flag("-march=armv6-m");
}
if llvm_target[0] == "thumbv7m" {
cfg.flag("-march=armv7-m");
}
if llvm_target[0] == "thumbv7em" {
cfg.flag("-march=armv7e-m");
}
let mut sources = Sources::new();
sources.extend(
&[