https://github.com/tstellar created https://github.com/llvm/llvm-project/pull/140381
Fixes #133580 >From abf0d25f2197cb154ec7afd7bca5962975742b44 Mon Sep 17 00:00:00 2001 From: Tom Stellard <tstel...@redhat.com> Date: Sat, 17 May 2025 16:40:51 +0000 Subject: [PATCH] [CMake][Release] Build with -ffat-lto-objects Fixes #133580 --- clang/cmake/caches/Release.cmake | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/clang/cmake/caches/Release.cmake b/clang/cmake/caches/Release.cmake index fb12dfcdcb5a5..592829e01206d 100644 --- a/clang/cmake/caches/Release.cmake +++ b/clang/cmake/caches/Release.cmake @@ -102,7 +102,7 @@ if (LLVM_RELEASE_ENABLE_LTO) # FIXME: We can't use LLVM_ENABLE_LTO=Thin here, because it causes the CMake # step for the libcxx build to fail. CMAKE_INTERPROCEDURAL_OPTIMIZATION does # enable ThinLTO, though. - set(RUNTIMES_CMAKE_ARGS "-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON -DLLVM_ENABLE_LLD=ON" CACHE STRING "") + set(RUNTIMES_CMAKE_ARGS "-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON -DLLVM_ENABLE_LLD=ON -DLLVM_ENABLE_FATLTO=ON" CACHE STRING "") endif() # Stage 1 Common Config @@ -144,3 +144,6 @@ set_final_stage_var(CPACK_GENERATOR "TXZ" STRING) set_final_stage_var(CPACK_ARCHIVE_THREADS "0" STRING) set_final_stage_var(LLVM_USE_STATIC_ZSTD "ON" BOOL) +if (LLVM_RELEASE_ENABLE_LTO) + set_final_stage_var(LLVM_ENABLE_FATLTO "ON" BOOL) +endif() _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
