build(native): compile x86_64 Linux lib with -mtls-dialect=gnu2 by nsavoire · Pull Request #596 · DataDog/java-profiler

nsavoire · 2026-06-12T13:38:35Z

What

Compile the profiler shared library with -mtls-dialect=gnu2 on x86_64 Linux.

Why

TLS descriptors (GNU2 dialect) is required for thread context sharing.

How

Factored the shared flags into commonCompilerArgs().
Added a new commonLinuxCompilerArgs() helper that appends -mtls-dialect=gnu2 gated on the x86_64 architecture.
The ELF-only flag is therefore excluded from macOS (Mach-O, clang would reject it) and ARM64 builds.

Testing

./gradlew -p build-logic :conventions:compileKotlin — build-logic plugin compiles.
Full ./gradlew build on macOS/ARM64 succeeds; verified the flag is absent from the local native compile command (correct, since it's x86_64-Linux-only). The x86_64 Linux path is exercised in CI.

🤖 Generated with Claude Code

Use TLS descriptors as required by thread context.

datadog-datadog-prod-us1 · 2026-06-12T13:39:58Z

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⚠️ Warnings

🚦 18 Pipeline jobs failed

CI Run | test-matrix / test-linux-glibc-amd64 (11, debug)

CI Run | test-matrix / test-linux-glibc-amd64 (11-j9, debug)

CI Run | test-matrix / test-linux-glibc-amd64 (17, debug)

View all 18 failed jobs.

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dd-octo-sts · 2026-06-12T13:55:36Z

CI Test Results

Run: #27419281211 | Commit: beb8b71 | Duration: 13m 10s (longest job)

❌ 13 of 32 test jobs failed

Status Overview

JDK	glibc-aarch64/debug	glibc-amd64/debug	musl-aarch64/debug	musl-amd64/debug
8	-	❌	-	-
8-ibm	-	❌	-	-
8-j9	✅	❌	-	-
8-librca	-	-	✅	✅
8-orcl	-	❌	-	-
11	-	❌	-	-
11-j9	✅	❌	-	-
11-librca	-	-	✅	✅
17	✅	❌	-	-
17-graal	✅	❌	-	-
17-j9	✅	❌	-	-
17-librca	-	-	✅	✅
21	✅	❌	-	-
21-graal	✅	❌	-	-
21-librca	-	-	✅	✅
25	✅	❌	-	-
25-graal	✅	❌	-	-
25-librca	-	-	✅	✅

Legend: ✅ passed | ❌ failed | ⚪ skipped | 🚫 cancelled