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

[Tom Stellard via llvm-commits]

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

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

>From e0130595c1692cd8738ede895a1bcfca0fad168b Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar at redhat.com>
Date: Fri, 14 Feb 2025 07:40:00 -0800
Subject: [PATCH] workflows/release-binaries: Disable Flang on x86_64 macOS

The flang build was taking 2-3 hours and causing the entire job to
timeout, so we need to disable it.
---
 .github/workflows/release-binaries.yml | 5 +++++
 1 file changed, 5 insertions(+)

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