adriencaccia · Nov 9, 2026 · Nov 9, 2026 · Nov 9, 2026
diff --git a/.cargo/config.toml b/.cargo/config.toml
@@ -20,10 +20,10 @@ CPATH = { value = "crates/memtrack/musl", relative = true }
 # have to be added back, last so they never shadow the toolchain's own. Scoped
 # per target: cc-rs looks up `CFLAGS_<target>` before `CFLAGS`, and libbpf-sys
 # builds zlib, elfutils and libbpf from `cc::Tool::cflags_env()`.
+#
+# rustc links with `-nodefaultlibs`, so libgcc's outline-atomic helpers that
+# gcc calls by default on aarch64 are missing: inline the atomics instead. A
+# `-lgcc` in `target.<triple>.rustflags` would be dropped whenever `RUSTFLAGS`
+# is set in the environment.
 CFLAGS_x86_64_unknown_linux_musl = "-idirafter /usr/include/x86_64-linux-gnu -idirafter /usr/include"
-CFLAGS_aarch64_unknown_linux_musl = "-idirafter /usr/include/aarch64-linux-gnu -idirafter /usr/include"
-
-# rustc links with `-nodefaultlibs`; libbpf's C code needs the outline-atomic
-# helpers from libgcc on aarch64.
-[target.aarch64-unknown-linux-musl]
-rustflags = ["-C", "link-arg=-lgcc"]
+CFLAGS_aarch64_unknown_linux_musl = "-mno-outline-atomics -idirafter /usr/include/aarch64-linux-gnu -idirafter /usr/include"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -310,32 +310,6 @@ jobs:
           runner-version: rev:${{ env.CODSPEED_REV }}
           skip-hash-check-warning: true
 
-  musl-build:
-    runs-on: ${{ matrix.runner }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - runner: ubuntu-latest
-            target: x86_64-unknown-linux-musl
-          - runner: ubuntu-24.04-arm
-            target: aarch64-unknown-linux-musl
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          submodules: true
-      - uses: ./.github/actions/install-rust
-        with:
-          cache-key: ${{ matrix.target }}
-      - uses: ./.github/actions/install-bpf-deps
-      - name: Install the musl toolchain
-        run: |
-          sudo apt-get install -y musl-tools linux-libc-dev
-          rustup target add "${{ matrix.target }}"
-
-      - name: Build
-        run: cargo build --bin codspeed --target "${{ matrix.target }}"
-
   check:
     runs-on: ubuntu-latest
     if: always()
@@ -348,7 +322,6 @@ jobs:
       - basic-run-test
       - macos-basic-run-test
       - bpf-tests
-      - musl-build
       - benchmarks
       - memtrack-benchmarks
     steps:

diff --git a/.github/workflows/create-draft-release.yml b/.github/workflows/create-draft-release.yml
@@ -9,6 +9,7 @@ on:
 
 jobs:
   main:
+    if: github.event_name != 'pull_request'
     runs-on: ubuntu-latest
     env:
       PLAN: ${{ inputs.plan }}

diff --git a/dist-workspace.toml b/dist-workspace.toml
@@ -13,8 +13,8 @@ ci = "github"
 installers = ["shell"]
 # The archive format to use for non-windows builds (defaults .tar.xz)
 unix-archive = ".tar.gz"
-# Which actions to run on pull requests
-pr-run-mode = "plan"
+# Builds every artifact on PRs and keeps them on the workflow run; only a tag push publishes
+pr-run-mode = "upload"
 # Post-announce jobs to run in CI
 post-announce-jobs = ["./post-announce"]
 # Path that installers should place binaries in
@@ -39,4 +39,5 @@ allow-dirty = ["ci"]
 "actions/download-artifact" = "37930b1c2abaa49bbe596cd826c3c89aef350131" # v7.0.0
 
 [dist.github-custom-runners]
+aarch64-apple-darwin = "macos-latest"
 aarch64-unknown-linux-musl = "ubuntu-26.04-arm"
-Original file line number
+Diff line change
@@ Expand Up / @@ -9,6 +9,7 @@ on: @@
     jobs:
       main:
+        if: github.event_name != 'pull_request'
         runs-on: ubuntu-latest
         env:
           PLAN: ${{ inputs.plan }}
@@ Expand Down @@