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Allow of way to toggle freestanding platform features #356

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merged 2 commits into from
Mar 11, 2024
Merged

Allow of way to toggle freestanding platform features #356

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1360a98
Allow of way to toggle freestanding platform features
MasterAwesome Mar 7, 2024
30b7f13
Rename the env variable and don't affect features
MasterAwesome Mar 9, 2024
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7 changes: 6 additions & 1 deletion mbedtls-sys/build/cmake.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,11 +28,16 @@ impl super::BuildConfig {
cmk.define("CMAKE_C_COMPILER_FORCED", "TRUE");
}

println!("cargo:rerun-if-env-changed=RUST_MBED_C_COMPILER_BAREMETAL");
let c_compiler_baremetal = std::env::var("RUST_MBED_C_COMPILER_BAREMETAL")
.map(|val| val == "1")
.unwrap_or_default();

let target = std::env::var("TARGET").expect("TARGET environment variable should be set in build scripts");
// thumbv6m-none-eabi, thumbv7em-none-eabi, thumbv7em-none-eabihf,
// thumbv7m-none-eabi probably use arm-none-eabi-gcc which can cause the
// cmake compiler test to fail.
if target.starts_with("thumbv") && target.contains("none-eabi") {
if target.starts_with("thumbv") && target.contains("none-eabi") || c_compiler_baremetal {
// When building on Linux, -rdynamic flag is added automatically. Changing the
// CMAKE_SYSTEM_NAME to Generic avoids this.
cmk.define("CMAKE_SYSTEM_NAME", "Generic");
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