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Merge pull request #1361 from gwenn/clean_build

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Factorize code in build.rs
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gwenn 2023-07-09 09:28:24 +02:00 committed by GitHub
commit 5980013935
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1 changed files with 16 additions and 20 deletions
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36
libsqlite3-sys/build.rs
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@ -26,14 +26,19 @@ fn is_compiler(compiler_name: &str) -> bool {
env::var("CARGO_CFG_TARGET_ENV").map_or(false, |v| v == compiler_name)
}
/// Copy bindgen file from `dir` to `out_path`.
fn copy_bindings<T: AsRef<Path>>(dir: &str, bindgen_name: &str, out_path: T) {
std::fs::copy(format!("{dir}/{bindgen_name}"), out_path)
.expect("Could not copy bindings to output directory");
}
fn main() {
let out_dir = env::var("OUT_DIR").unwrap();
let out_path = Path::new(&out_dir).join("bindgen.rs");
if cfg!(feature = "in_gecko") {
// When inside mozilla-central, we are included into the build with
// sqlite3.o directly, so we don't want to provide any linker arguments.
std::fs::copy("sqlite3/bindgen_bundled_version.rs", out_path)
.expect("Could not copy bindings to output directory");
copy_bindings("sqlite3", "bindgen_bundled_version.rs", out_path);
return;
}
@ -96,14 +101,12 @@ mod build_bundled {
#[cfg(feature = "buildtime_bindgen")]
{
use super::{bindings, HeaderLocation};
let header = HeaderLocation::FromPath(format!("{}/sqlite3.h", lib_name));
let header = HeaderLocation::FromPath(lib_name.to_owned());
bindings::write_to_out_dir(header, out_path);
}
#[cfg(not(feature = "buildtime_bindgen"))]
{
use std::fs;
fs::copy(format!("{lib_name}/bindgen_bundled_version.rs"), out_path)
.expect("Could not copy bindings to output directory");
super::copy_bindings(lib_name, "bindgen_bundled_version.rs", out_path);
}
println!("cargo:rerun-if-changed={lib_name}/sqlite3.c");
println!("cargo:rerun-if-changed=sqlite3/wasm32-wasi-vfs.c");
@ -345,7 +348,7 @@ impl From<HeaderLocation> for String {
header
}
HeaderLocation::Wrapper => "wrapper.h".into(),
HeaderLocation::FromPath(path) => path,
HeaderLocation::FromPath(path) => format!("{}/sqlite3.h", path),
}
}
}
@ -372,11 +375,7 @@ mod build_linked {
// on buildtime_bindgen instead, but this is still supported as we
// have runtime version checks and there are good reasons to not
// want to run bindgen.
std::fs::copy(
format!("{}/bindgen_bundled_version.rs", lib_name()),
out_path,
)
.expect("Could not copy bindings to output directory");
super::copy_bindings(lib_name(), "bindgen_bundled_version.rs", out_path);
} else {
bindings::write_to_out_dir(header, out_path);
}
@ -434,8 +433,7 @@ mod build_linked {
.print_system_libs(false)
.probe(link_lib)
{
if let Some(mut header) = lib.include_paths.pop() {
header.push("sqlite3.h");
if let Some(header) = lib.include_paths.pop() {
HeaderLocation::FromPath(header.to_string_lossy().into())
} else {
HeaderLocation::Wrapper
@ -454,8 +452,7 @@ mod build_linked {
if cfg!(feature = "vcpkg") && is_compiler("msvc") {
// See if vcpkg can find it.
if let Ok(mut lib) = vcpkg::Config::new().probe(lib_name()) {
if let Some(mut header) = lib.include_paths.pop() {
header.push("sqlite3.h");
if let Some(header) = lib.include_paths.pop() {
return Some(HeaderLocation::FromPath(header.to_string_lossy().into()));
}
}
@ -471,14 +468,13 @@ mod bindings {
#![allow(dead_code)]
use super::HeaderLocation;
use std::fs;
use std::path::Path;
static PREBUILT_BINDGEN_PATHS: &[&str] = &["bindgen-bindings/bindgen_3.14.0.rs"];
static PREBUILT_BINDGENS: &[&str] = &["bindgen_3.14.0.rs"];
pub fn write_to_out_dir(_header: HeaderLocation, out_path: &Path) {
let in_path = PREBUILT_BINDGEN_PATHS[PREBUILT_BINDGEN_PATHS.len() - 1];
fs::copy(in_path, out_path).expect("Could not copy bindings to output directory");
let name = PREBUILT_BINDGENS[PREBUILT_BINDGENS.len() - 1];
super::copy_bindings("bindgen-bindings", name, out_path);
}
}