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build: update build script to use git and check for extralibs

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This commit is contained in:
meh
2023-05-24 21:49:22 +02:00
committed by Till Höppner
parent 373afc7839
commit 2adb18e4d3
1 changed files with 30 additions and 47 deletions
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sys/build.rs
+30 -47
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@@ -2,7 +2,7 @@ extern crate num_cpus;
use std::env;
use std::fs::{self, File};
use std::io::{self, Write};
use std::io::{self, Write, BufRead, BufReader};
use std::path::PathBuf;
use std::process::Command;
use std::str;
@@ -10,14 +10,8 @@ use std::str;
fn version() -> String {
let major: u8 = env::var("CARGO_PKG_VERSION_MAJOR").unwrap().parse().unwrap();
let minor: u8 = env::var("CARGO_PKG_VERSION_MINOR").unwrap().parse().unwrap();
let patch: u8 = env::var("CARGO_PKG_VERSION_PATCH").unwrap().parse().unwrap();
if patch == 0 {
format!("{}.{}", major, minor)
}
else {
format!("{}.{}.{}", major, minor, patch)
}
format!("{}.{}", major, minor)
}
fn output() -> PathBuf {
@@ -37,19 +31,14 @@ fn search() -> PathBuf {
}
fn fetch() -> io::Result<()> {
let url = format!("http://ffmpeg.org/releases/ffmpeg-{}.tar.bz2", version());
let status = try!(if cfg!(target_os = "linux") {
Command::new("wget")
.current_dir(&output())
.arg(url)
.arg("-c")
.arg("-O")
.arg("ffmpeg.tar.bz2")
.status()
}
else {
unimplemented!();
});
let status = try!(Command::new("git")
.current_dir(&output())
.arg("clone")
.arg("-b")
.arg(format!("release/{}", version()))
.arg("https://github.com/FFmpeg/FFmpeg")
.arg(format!("ffmpeg-{}", version()))
.status());
if status.success() {
Ok(())
@@ -59,26 +48,6 @@ fn fetch() -> io::Result<()> {
}
}
fn extract() -> io::Result<()> {
let status = try!(if cfg!(target_os = "linux") {
Command::new("tar")
.current_dir(&output())
.arg("xf")
.arg("ffmpeg.tar.bz2")
.status()
}
else {
unimplemented!();
});
if status.success() {
Ok(())
}
else {
Err(io::Error::new(io::ErrorKind::Other, "extract failed"))
}
}
fn build() -> io::Result<()> {
let mut configure = Command::new("./configure");
configure.current_dir(&source());
@@ -349,14 +318,28 @@ fn main() {
println!("cargo:rustc-link-lib=z");
}
if fs::metadata(&search().join("lib").join("libavutil.a")).is_ok() {
return;
if fs::metadata(&search().join("lib").join("libavutil.a")).is_err() {
fs::create_dir_all(&output()).ok().expect("failed to create build directory");
fetch().unwrap();
build().unwrap();
}
fs::create_dir_all(&output()).ok().expect("failed to create build directory");
fetch().unwrap();
extract().unwrap();
build().unwrap();
// Check additional required libraries.
{
let config_mak = source().join("config.mak");
let file = File::open(config_mak).unwrap();
let reader = BufReader::new(file);
let extra_libs = reader.lines()
.find(|ref line| line.as_ref().unwrap().starts_with("EXTRALIBS"))
.map(|line| line.unwrap()).unwrap();
let linker_args = extra_libs.split('=').last().unwrap().split(' ');
let include_libs = linker_args.filter(|v| v.starts_with("-l")).map(|flag| &flag[2..]);
for lib in include_libs {
println!("cargo:rustc-link-lib={}", lib);
}
}
}
check_features(&vec![