[llvm] workflows/release-binaries: Disable Flang on x86_64 macOS (PR #127216)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-github-workflow

Author: Tom Stellard (tstellar)

<details>
<summary>Changes</summary>

The flang build was taking 2-3 hours and causing the entire job to timeout, so we need to disable it.

---
Full diff: https://github.com/llvm/llvm-project/pull/127216.diff


1 Files Affected:

- (modified) .github/workflows/release-binaries.yml (+5) 


``````````diff
diff --git a/.github/workflows/release-binaries.yml b/.github/workflows/release-binaries.yml
index 398734c1a366d..64d59a5a6449d 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -138,6 +138,11 @@ jobs:
             arches=arm64
           else
             arches=x86_64
+            # Disable Flang builds on macOS x86_64.  The FortranLower library takes
+            # 2-3 hours to build on macOS, much slower than on Linux.
+            # The long build time causes the release build to time out on x86_64,
+            # so we need to disable flang there.
+            target_cmake_flags="$target_cmake_flags -DLLVM_RELEASE_ENABLE_PROJECTS='clang;lld;lldb;clang-tools-extra;bolt;polly;mlir'"
           fi
           target_cmake_flags="$target_cmake_flags -DBOOTSTRAP_BOOTSTRAP_DARWIN_osx_ARCHS=$arches -DBOOTSTRAP_BOOTSTRAP_DARWIN_osx_BUILTIN_ARCHS=$arches"
         fi

``````````

</details>


https://github.com/llvm/llvm-project/pull/127216