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Try making m4 dir first #1753

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31 changes: 26 additions & 5 deletions libdd-libunwind-sys/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ mod linux {

const LIBUNWIND_REPO: &str = "https://github.com/DataDog/libunwind.git";
const LIBUNWIND_BRANCH: &str = "kevin/v1.8.1-custom-2";
const AUTOTOOLS_INSTALL_HINT: &str = "Install autotools:\n Debian/Ubuntu: apt install autoconf automake libtool\n Alpine: apk add autoconf automake libtool m4";

/// Try initializing the libunwind git submodule from the repo root.
/// Only works when running inside a git repository.
Expand Down Expand Up @@ -103,17 +104,37 @@ mod linux {
if !lib_file.exists() {
eprintln!("Building libunwind from source...");

// Only run autoreconf if configure doesn't exist
// Only run autotools bootstrap if configure doesn't exist.
let configure_script = libunwind_dir.join("configure");
if !configure_script.exists() {
// Some source snapshots do not include generated autotools files.
// Ensure macro dir exists before running autoreconf
std::fs::create_dir_all(libunwind_dir.join("m4"))
.expect("Failed to create libunwind/m4 directory");

eprintln!("Running libtoolize...");
let status = std::process::Command::new("sh")
.current_dir(&libunwind_dir)
.args(["-c", "libtoolize --copy --force"])
.status()
.expect(&format!(
"Failed to run libtoolize.\n{}",
AUTOTOOLS_INSTALL_HINT
));

if !status.success() {
panic!("libtoolize failed with exit code: {:?}", status.code());
}

eprintln!("Running autoreconf...");
let status = std::process::Command::new("sh")
.current_dir(&libunwind_dir)
.args(["-c", "autoreconf -i"])
.args(["-c", "autoreconf -fi"])
.status()
.expect(
"Failed to run autoreconf. Install with: apt install autoconf automake libtool",
);
.expect(&format!(
"Failed to run autoreconf.\n{}",
AUTOTOOLS_INSTALL_HINT
));

if !status.success() {
panic!("autoreconf failed with exit code: {:?}", status.code());
Expand Down
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