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workflows/release-binaries: Enable flang builds on Windows (#101344)

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Flang for Windows depends on compiler-rt, so we need to enable it for
the stage1 builds. This also fixes failures building the flang tests on
macOS.

Fixes #100202.
This commit is contained in:
Tom Stellard 2024-08-28 18:22:57 -07:00 committed by GitHub
parent 3a5c578966
commit 8927576b8f
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2 changed files with 5 additions and 10 deletions
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8
.github/workflows/release-binaries.yml vendored
View File

@ -135,16 +135,8 @@ jobs:
target_cmake_flags="$target_cmake_flags -DBOOTSTRAP_DARWIN_osx_ARCHS=$arches -DBOOTSTRAP_DARWIN_osx_BUILTIN_ARCHS=$arches"
fi
# x86 macOS and x86 Windows have trouble building flang, so disable it.
# Windows: https://github.com/llvm/llvm-project/issues/100202
# macOS: 'rebase opcodes terminated early at offset 1 of 80016' when building __fortran_builtins.mod
build_flang="true"
if [ "$target" = "Windows-X64" ]; then
target_cmake_flags="$target_cmake_flags -DLLVM_RELEASE_ENABLE_PROJECTS=\"clang;lld;lldb;clang-tools-extra;bolt;polly;mlir\""
build_flang="false"
fi
if [ "${{ runner.os }}" = "Windows" ]; then
# The build times out on Windows, so we need to disable LTO.
target_cmake_flags="$target_cmake_flags -DLLVM_RELEASE_ENABLE_LTO=OFF"

7
clang/cmake/caches/Release.cmake
View File

@ -47,11 +47,14 @@ set(LLVM_TARGETS_TO_BUILD Native CACHE STRING "")
set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "")
set(STAGE1_PROJECTS "clang")
set(STAGE1_RUNTIMES "")
# Building Flang on Windows requires compiler-rt, so we need to build it in
# stage1. compiler-rt is also required for building the Flang tests on
# macOS.
set(STAGE1_RUNTIMES "compiler-rt")
if (LLVM_RELEASE_ENABLE_PGO)
list(APPEND STAGE1_PROJECTS "lld")
list(APPEND STAGE1_RUNTIMES "compiler-rt")
set(CLANG_BOOTSTRAP_TARGETS
generate-profdata
stage2-package