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Prevents creating a terminal on windows #179

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Prevents creating a terminal on windows #179

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22 changes: 19 additions & 3 deletions src/exa/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,24 @@ use rand_distr::Alphanumeric;
use std::process::{Command, Stdio};
use std::thread;

#[cfg(windows)]
use std::os::windows::process::CommandExt;

use crate::Equation;

/// Windows flag to prevent console window from appearing
#[cfg(windows)]
const CREATE_NO_WINDOW: u32 = 0x08000000;

/// Creates a new Command with platform-specific settings to hide console windows on Windows
#[allow(unused_mut)]
fn new_command(program: &str) -> Command {
let mut cmd = Command::new(program);
#[cfg(windows)]
cmd.creation_flags(CREATE_NO_WINDOW);
cmd
}

/// Compiles model text into a dynamically loadable library.
///
/// This function creates a Rust project from a template, injects the model text,
Expand Down Expand Up @@ -170,7 +186,7 @@ fn create_template(temp_dir: PathBuf) -> Result<PathBuf, io::Error> {
);

if !template_dir.exists() {
let output = Command::new("cargo")
let output = new_command("cargo")
.arg("new")
.arg("template")
.arg("--lib")
Expand Down Expand Up @@ -250,7 +266,7 @@ fn inject_model<E: Equation>(
.join(", ")
);
fs::write(lib_rs_path, lib_rs_content)?;
Command::new("cargo")
new_command("cargo")
.arg("fmt")
.current_dir(&template_dir)
.output()
Expand All @@ -272,7 +288,7 @@ fn build_template(
template_path: PathBuf,
event_callback: Arc<dyn Fn(String, String) + Send + Sync + 'static>,
) -> Result<PathBuf, io::Error> {
let mut command = Command::new("cargo");
let mut command = new_command("cargo");
command
.arg("build")
.arg("--release")
Expand Down