iox-#73 Support cross compile for aarch64

Author: tony-slamtec

iceoryx-sys/build.rs

@@ -8,11 +8,193 @@ use std::io::{Error, ErrorKind};
 use std::process::Command;
 
 const ICEORYX_VERSION: &str = "v2.0.3";
+const ATTR_VERSION: &str = "2.5.1";
+const ACL_VERSION: &str = "2.3.1";
 
-fn make_and_install(source_dir: &str, build_dir: &str, install_dir: &str) -> std::io::Result<()> {
+fn extract(archive: &str, source_dir: &str) -> std::io::Result<()> {
+    if !Command::new("mkdir")
+        .args(["-p", source_dir])
+        .status()?
+        .success()
+    {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("Could not create source dir for '{}'!", source_dir),
+        ));
+    }
+
+    if !Command::new("tar")
+        .args([
+            "-xf",
+            archive,
+            "-C",
+            source_dir,
+            "--strip-components=1",
+        ])
+        .status()?
+        .success()
+    {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!(
+                "Could not extract archive '{}' to '{}'!",
+                archive, source_dir
+            ),
+        ));
+    }
+
+    Ok(())
+}
+
+fn autogen(source_dir: &str) -> std::io::Result<()> {
+    if !Command::new("./autogen.sh")
+        .current_dir(source_dir)
+        .status()?
+        .success()
+    {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("Failed to run autogen.sh in {}", source_dir)
+        ));
+    }
+
+    Ok(())
+}
+
+fn configure(source_dir: &str, build_dir: &str, install_dir: &str, toolchain_prefix: Option<&str>) -> std::io::Result<()> {
+    if !Command::new("mkdir")
+        .args(["-p", build_dir])
+        .status()?
+        .success()
+    {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("Could not create build dir for '{}'!", build_dir),
+        ));
+    }
+    
+    let mut args = Vec::new();
+
+    if let Some(toolchain_prefix) = toolchain_prefix {
+        args.push(format!("--host={}", toolchain_prefix));
+    }
+
+    args.push(format!("--prefix={}", install_dir));
+    args.push(format!("--enable-shared=no"));
+
+    if !Command::new(format!("{}/configure", source_dir))
+        .current_dir(build_dir)
+        .args(args)
+        .env("CFLAGS", format!("-I{}/include", install_dir))
+        .env("LDFLAGS", format!("-L{}/lib", install_dir))
+        .status()?
+        .success()
+    {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("Failed to run configure in {}", source_dir)
+        ));
+    }
+
+    Ok(())
+}
+
+fn make(build_dir: &str) -> std::io::Result<()> {
+    if !Command::new("make")
+        .current_dir(build_dir)
+        .status()?
+        .success()
+    {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("Failed to run make in {}", build_dir)
+        ));
+    }
+
+    Ok(())
+}
+
+fn make_install(build_dir: &str) -> std::io::Result<()> {
+    if !Command::new("make")
+        .current_dir(build_dir)
+        .args(["install"])
+        .status()?
+        .success()
+    {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("Failed to run make install in {}", build_dir)
+        ));
+    }
+
+    Ok(())
+}
+
+fn extract_toolchain_prefix(toolchain_cmake_file: &str) -> std::io::Result<Option<String>> {
+    let toolchain_cmake = std::fs::read_to_string(toolchain_cmake_file);
+
+    if toolchain_cmake.is_err() {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("failed to read cmake file {}", toolchain_cmake_file)
+        ));
+    }
+
+    let toolchain_cmake = toolchain_cmake.unwrap();
+
+    let segs = toolchain_cmake
+        .lines()
+        .map(|l| l.trim())
+        .find(|line| line.starts_with("set(CMAKE_C_COMPILER"))
+        .map(|line| line.split_whitespace().last().unwrap().trim_matches('"'))
+        .map(|line| line.trim_matches(')'))
+        .map(|line| line.split('-').collect::<Vec<_>>());
+
+    if segs.is_none() || segs.as_ref().unwrap().is_empty() {
+        return Err(Error::new(
+            ErrorKind::Other,
+            format!("extracted empty triple from cmake file {}", toolchain_cmake_file)
+        ));
+    }
+
+    let segs = segs.unwrap();
+    Ok(Some(segs[0..segs.len() - 1].join("-")))
+}
+
+fn make_and_install(archive_dir: &str, source_dir: &str, build_dir: &str, install_dir: &str) -> std::io::Result<()> {
     let cmake_install_prefix = format!("-DCMAKE_INSTALL_PREFIX={}", install_dir);
     let cmake_prefix_path = format!("-DCMAKE_PREFIX_PATH={}", install_dir);
 
+    let target = env::var("TARGET").expect("Target");
+    let host = env::var("HOST").expect("Host");
+
+    let (extra_cmake_args, toolchain_prefix) = if target == host {
+        (vec![], None)
+    } else {
+        let toolchain_cmake_file = format!("{}/toolchain.{}.cmake", archive_dir, target);
+        (vec![format!("-DCMAKE_TOOLCHAIN_FILE={}", toolchain_cmake_file)], extract_toolchain_prefix(&toolchain_cmake_file)?)
+    };
+
+    if let Some(toolchain_prefix) = toolchain_prefix {
+        // cross compiling, compile libattr and libacl on our own
+        // compile attr
+        let attr_source_dir = format!("{}/{}", source_dir, "attr");
+        let attr_build_dir = format!("{}/{}", build_dir, "attr");
+        extract(&format!("{}/attr-{}.tar.gz", archive_dir, ATTR_VERSION), &attr_source_dir)?;
+        autogen(&attr_source_dir)?;
+        configure(&attr_source_dir, &attr_build_dir, &install_dir, Some(&toolchain_prefix))?;
+        make(&attr_build_dir)?;
+        make_install(&attr_build_dir)?;
+
+        // compile acl
+        let acl_source_dir = format!("{}/{}", source_dir, "acl");
+        let acl_build_dir = format!("{}/{}", build_dir, "acl");
+        extract(&format!("{}/acl-{}.tar.gz", archive_dir, ACL_VERSION), &acl_source_dir)?;
+        configure(&acl_source_dir, &acl_build_dir, &install_dir, Some(&toolchain_prefix))?;
+        make(&acl_build_dir)?;
+        make_install(&acl_build_dir)?;
+    }
+
     for iceoryx_component in ["iceoryx_hoofs", "iceoryx_posh"] {
         let component_source_dir = format!("{}/{}", source_dir, iceoryx_component);
         let component_build_dir = format!("{}/{}", build_dir, iceoryx_component);
@@ -28,34 +210,55 @@ fn make_and_install(source_dir: &str, build_dir: &str, install_dir: &str) -> std
             ));
         }
 
+        let mut cmake_args = extra_cmake_args.clone();
+        cmake_args.push(format!("-DCMAKE_BUILD_TYPE=Release"));
+        cmake_args.push(format!("-DBUILD_SHARED_LIBS=OFF"));
+        cmake_args.push(format!("-DROUDI_ENVIRONMENT=ON"));
+        cmake_args.push(cmake_prefix_path.clone());
+        cmake_args.push(cmake_install_prefix.clone());
+        cmake_args.push(component_source_dir.clone());
+
         if !Command::new("cmake")
             .current_dir(&component_build_dir)
-            .args([
-                "-DCMAKE_BUILD_TYPE=Release",
-                "-DBUILD_SHARED_LIBS=OFF",
-                "-DROUDI_ENVIRONMENT=ON",
-                &cmake_prefix_path,
-                &cmake_install_prefix,
-                &component_source_dir,
-            ])
+            .env("CFLAGS", format!("-I{}/include", install_dir))
+            .env("LDFLAGS", format!("-L{}/lib", install_dir))
+            .args(&cmake_args)
             .status()?
             .success()
         {
             return Err(Error::new(
                 ErrorKind::Other,
-                format!("Could not run cmake for '{}'!", iceoryx_component),
+                format!(
+                    "Could not run cmake for '{}'!\nWork Dir: {}\nCommand: cmake {}",
+                    iceoryx_component,
+                    component_build_dir,
+                    cmake_args.join(" ")
+                ),
             ));
         }
 
+        let mut cmake_args = Vec::new();
+        cmake_args.push(format!("--build"));
+        cmake_args.push(format!("."));
+        cmake_args.push(format!("--target"));
+        cmake_args.push(format!("install"));
+
         if !Command::new("cmake")
             .current_dir(&component_build_dir)
-            .args(["--build", ".", "--target", "install"])
+            .env("CFLAGS", format!("-I{}/include", install_dir))
+            .env("LDFLAGS", format!("-L{}/lib", install_dir))
+            .args(&cmake_args)
             .status()?
             .success()
         {
             return Err(Error::new(
                 ErrorKind::Other,
-                format!("Could not build '{}'!", iceoryx_component),
+                format!(
+                    "Could not build '{}'!\nWork Dir: {}\nCommand: cmake {}",
+                    iceoryx_component,
+                    component_build_dir,
+                    cmake_args.join(" ")
+                ),
             ));
         }
     }
@@ -64,38 +267,7 @@ fn make_and_install(source_dir: &str, build_dir: &str, install_dir: &str) -> std
 }
 
 fn extract_archive(archive_dir: &str, source_dir: &str, version: &str) -> std::io::Result<()> {
-    if !Command::new("mkdir")
-        .args(["-p", source_dir])
-        .status()?
-        .success()
-    {
-        return Err(Error::new(
-            ErrorKind::Other,
-            format!("Could not create source dir for '{}'!", source_dir),
-        ));
-    }
-
-    if !Command::new("tar")
-        .args([
-            "-xf",
-            &format!("{}/{}.tar.gz", archive_dir, version),
-            "-C",
-            source_dir,
-            "--strip-components=1",
-        ])
-        .status()?
-        .success()
-    {
-        return Err(Error::new(
-            ErrorKind::Other,
-            format!(
-                "Could not extract archive '{}' to '{}'!",
-                version, source_dir
-            ),
-        ));
-    }
-
-    Ok(())
+    extract(&format!("{}/{}.tar.gz", archive_dir, version), source_dir)
 }
 
 fn main() -> std::io::Result<()> {
@@ -110,6 +282,7 @@ fn main() -> std::io::Result<()> {
     extract_archive(&iceoryx_archive_dir, &iceoryx_source_dir, ICEORYX_VERSION)?;
 
     make_and_install(
+        &iceoryx_archive_dir,
         &iceoryx_source_dir,
         &iceoryx_build_dir,
         &iceoryx_install_dir,

iceoryx-sys/iceoryx-cpp/acl-2.3.1.tar.gz

@@ -0,0 +1,4 @@
+set(CMAKE_SYSTEM_NAME Linux)
+
+set(CMAKE_C_COMPILER aarch64-linux-gnu-gcc)
+set(CMAKE_CXX_COMPILER aarch64-linux-gnu-g++)