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Update handling of env variables in build.rs

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This commit is contained in:
Adrian Eddy
2026-05-15 03:52:55 +02:00
parent 960368ddea
commit 6a170248a0
2 changed files with 23 additions and 9 deletions
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_scripts/linux.just
+1 -1
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@@ -114,7 +114,7 @@ install-deps:
fi
fi
if [ ! -d "{{FFmpeg}}" ]; then
if [ ! -d "$FFMPEG_DIR" ]; then
echo "Downloading ffmpeg"
# Download and extract ffmpeg
build.rs
+22 -8
View File
@@ -192,19 +192,25 @@ fn main() {
match target_os.as_str() {
"android" => {
println!("cargo:rustc-link-search={}/lib/arm64-v8a", std::env::var("FFMPEG_DIR").unwrap());
println!("cargo:rustc-link-search={}/lib", std::env::var("FFMPEG_DIR").unwrap());
config.include(format!("{}/include", std::env::var("FFMPEG_DIR").unwrap()));
if let Ok(ffmpeg_dir) = std::env::var("FFMPEG_DIR") && !ffmpeg_dir.is_empty() {
println!("cargo:rustc-link-search={ffmpeg_dir}/lib/arm64-v8a");
println!("cargo:rustc-link-search={ffmpeg_dir}/lib");
config.include(format!("{ffmpeg_dir}/include"));
}
},
"macos" | "ios" => {
println!("cargo:rustc-link-search={}/lib", std::env::var("FFMPEG_DIR").unwrap());
if let Ok(ffmpeg_dir) = std::env::var("FFMPEG_DIR") && !ffmpeg_dir.is_empty() {
println!("cargo:rustc-link-search={ffmpeg_dir}/lib");
}
println!("cargo:rustc-link-lib=static:+whole-archive=x264");
println!("cargo:rustc-link-lib=static=x265");
},
"linux" => {
println!("cargo:rustc-link-search={}", std::env::var("OPENCV_LINK_PATHS").unwrap());
println!("cargo:rustc-link-search={}/lib/{}", std::env::var("FFMPEG_DIR").unwrap(), std::env::var("FFMPEG_ARCH").unwrap_or("amd64".into()));
println!("cargo:rustc-link-search={}/lib", std::env::var("FFMPEG_DIR").unwrap());
if let Ok(ffmpeg_dir) = std::env::var("FFMPEG_DIR") && !ffmpeg_dir.is_empty() {
println!("cargo:rustc-link-search={ffmpeg_dir}/lib/{}", std::env::var("FFMPEG_ARCH").unwrap_or("amd64".into()));
println!("cargo:rustc-link-search={ffmpeg_dir}/lib");
}
println!("cargo:rustc-link-lib=static:+whole-archive=z");
if std::env::var("OPENCV_LINK_PATHS").unwrap_or_default().contains("vcpkg") {
std::env::var("OPENCV_LINK_LIBS").unwrap().split(',').for_each(|lib| println!("cargo:rustc-link-lib=static:+whole-archive={}", lib.trim()));
@@ -216,8 +222,10 @@ fn main() {
println!("cargo:rustc-link-arg=/EXPORT:NvOptimusEnablement");
println!("cargo:rustc-link-arg=/EXPORT:AmdPowerXpressRequestHighPerformance");
println!("cargo:rustc-link-search={}", std::env::var("OPENCV_LINK_PATHS").unwrap());
println!("cargo:rustc-link-search={}\\lib\\{}", std::env::var("FFMPEG_DIR").unwrap(), std::env::var("FFMPEG_ARCH").unwrap_or("x64".into()));
println!("cargo:rustc-link-search={}\\lib", std::env::var("FFMPEG_DIR").unwrap());
if let Ok(ffmpeg_dir) = std::env::var("FFMPEG_DIR") && !ffmpeg_dir.is_empty() {
println!("cargo:rustc-link-search={ffmpeg_dir}\\lib\\{}", std::env::var("FFMPEG_ARCH").unwrap_or("x64".into()));
println!("cargo:rustc-link-search={ffmpeg_dir}\\lib");
}
let mut res = winres::WindowsResource::new();
res.set_icon("resources/app_icon.ico");
res.set("FileVersion", env!("CARGO_PKG_VERSION"));
@@ -229,6 +237,12 @@ fn main() {
tos => panic!("unknown target os {:?}!", tos)
}
if let Ok(link_paths) = std::env::var("EXTRA_LINK_PATHS") && !link_paths.is_empty() {
for dir in link_paths.split(';') {
println!("cargo:rustc-link-search={dir}");
}
}
if let Ok(time) = std::time::SystemTime::now().duration_since(std::time::SystemTime::UNIX_EPOCH) {
println!("cargo:rustc-env=BUILD_TIME={}", (time.as_secs() - 1642516578) / 600); // New version every 10 minutes
}