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rust-isal-sys/SOURCES/0001-Downstream-only-always...

175 lines
6.1 KiB

From 7774f87f17effff3affa6d04a7e9f7b5a8b5ade1 Mon Sep 17 00:00:00 2001
From: "Benjamin A. Beasley" <code@musicinmybrain.net>
Date: Fri, 4 Oct 2024 13:28:53 -0400
Subject: [PATCH] Downstream-only: always use the system isa-l shared library
and regenerate bindings
---
build.rs | 122 ++---------------------------------------------
src/igzip_lib.rs | 6 +--
2 files changed, 7 insertions(+), 121 deletions(-)
diff --git a/build.rs b/build.rs
index b439804..dfe9780 100644
--- a/build.rs
+++ b/build.rs
@@ -1,131 +1,17 @@
use std::path::PathBuf;
-use std::{
- io::{self, Write},
- process::{Command, Stdio},
-};
fn main() {
+ // Downstream patch: always use the system shared library, and always regenerate bindings.
println!("cargo:rerun-if-changed=build.rs");
+ println!("cargo:rustc-link-lib=isal");
- let is_static = cfg!(feature = "static");
- let is_shared = cfg!(feature = "shared");
- let target = std::env::var("TARGET").unwrap();
- let out_dir = PathBuf::from(&std::env::var("OUT_DIR").unwrap());
-
- // Copy isa-l source into out; not allow to modify things outside of out dir
- let src_dir = out_dir.join("isa-l");
- if src_dir.exists() {
- std::fs::remove_dir_all(&src_dir).unwrap(); // maybe from a previous build
- }
- copy_dir::copy_dir("isa-l", &src_dir).unwrap();
-
- let install_path = std::env::var("ISAL_INSTALL_PREFIX")
- .map(|p| PathBuf::from(&p).clone())
- .unwrap_or(out_dir.clone());
-
- let current_dir = std::env::current_dir().unwrap();
- std::env::set_current_dir(&src_dir).unwrap();
-
- // build from source
- #[cfg(not(feature = "use-system-isal"))]
- {
- #[cfg(not(target_os = "windows"))]
- let cmd = {
- let status = Command::new("./autogen.sh")
- .stdout(Stdio::piped())
- .stderr(Stdio::piped())
- .output()
- .unwrap();
- io::stdout().write_all(&status.stdout).unwrap();
- io::stderr().write_all(&status.stderr).unwrap();
- if !status.status.success() {
- panic!("autogen failed");
- }
-
- let compiler = cc::Build::new().get_compiler();
- let cflags = compiler.cflags_env().into_string().unwrap();
-
- let mut configure_args = vec![
- format!("--prefix={}", install_path.display()),
- format!("--host={}", target),
- format!("--enable-static={}", if is_static { "yes" } else { "no" }),
- format!("--enable-shared={}", if is_shared { "yes" } else { "no" }),
- format!("CFLAGS={}", cflags),
- format!("CC={}", compiler.path().display()),
- ];
-
- if !cfg!(target_os = "macos") {
- let ldflag = if is_static { "static" } else { "shared" };
- configure_args.push(format!("LDFLAGS=-{}", ldflag));
- configure_args.push("--with-pic=yes".to_string());
- }
-
- let status = Command::new("./configure")
- .args(&configure_args)
- .stdout(Stdio::piped())
- .stderr(Stdio::piped())
- .output()
- .unwrap();
- io::stdout().write_all(&status.stdout).unwrap();
- io::stderr().write_all(&status.stderr).unwrap();
- if !status.status.success() {
- panic!("configure failed");
- }
-
- Command::new("make")
- .args(&["install-libLTLIBRARIES"])
- .stdout(Stdio::piped())
- .stderr(Stdio::piped())
- .spawn()
- };
-
- #[cfg(target_os = "windows")]
- let mut cmd = {
- Command::new("nmake")
- .args(["-f", "Makefile.nmake"])
- .stdout(Stdio::piped())
- .stderr(Stdio::piped())
- .spawn()
- };
-
- std::env::set_current_dir(&current_dir).unwrap();
-
- let output = cmd.unwrap().wait_with_output().unwrap();
- io::stdout().write_all(&output.stdout).unwrap();
- io::stderr().write_all(&output.stderr).unwrap();
- if !output.status.success() {
- panic!("Building isa-l failed");
- }
- }
-
- let libname = if cfg!(target_os = "windows") {
- println!("cargo:rustc-link-search=native={}", src_dir.display());
- if cfg!(feature = "static") {
- "isa-l_static"
- } else {
- "isa-l"
- }
- } else {
- for subdir in ["bin", "lib", "lib64"] {
- let search_path = install_path.join(subdir);
- println!("cargo:rustc-link-search=native={}", search_path.display());
- }
- "isal"
- };
-
- #[cfg(feature = "static")]
- println!("cargo:rustc-link-lib=static={}", libname);
-
- #[cfg(feature = "shared")]
- println!("cargo:rustc-link-lib={}", libname);
-
- #[cfg(feature = "regenerate-bindings")]
{
let out = PathBuf::from(&(format!("{}/igzip_lib.rs", std::env::var("OUT_DIR").unwrap())));
bindgen::Builder::default()
// The input header we would like to generate
// bindings for.
- .header("isa-l/include/igzip_lib.h")
+ // Downstream patch: use the system header.
+ .header("/usr/include/isa-l/igzip_lib.h")
// Tell cargo to invalidate the built crate whenever any of the
// included header files changed.
.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
diff --git a/src/igzip_lib.rs b/src/igzip_lib.rs
index dff227e..c6cbe31 100644
--- a/src/igzip_lib.rs
+++ b/src/igzip_lib.rs
@@ -1,12 +1,12 @@
pub use bindings::*;
-#[cfg(feature = "regenerate-bindings")]
+// Downstream patch: always regenerate bindings
pub mod bindings {
include!(concat!(env!("OUT_DIR"), "/igzip_lib.rs"));
}
-// copy from target dir when updating bindings
-#[cfg(not(feature = "regenerate-bindings"))]
+// Downstream patch: always regenerate bindings. cfg(any()) is false
+#[cfg(any())]
pub mod bindings {
/* automatically generated by rust-bindgen 0.69.4 */
--
2.46.1