[PATCH] D103916: [CMake] Only include LTO on Apple targets

[Petr Hosek via Phabricator via cfe-commits]

phosek created this revision.
phosek added reviewers: haowei, leonardchan.
Herald added subscribers: inglorion, mgorny.
phosek requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

We only need libLTO when using ld64.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103916

Files:
  clang/cmake/caches/Fuchsia-stage2.cmake
  clang/cmake/caches/Fuchsia.cmake


Index: clang/cmake/caches/Fuchsia.cmake
===================================================================
--- clang/cmake/caches/Fuchsia.cmake
+++ clang/cmake/caches/Fuchsia.cmake
@@ -9,7 +9,9 @@
 set(LLVM_ENABLE_BACKTRACES OFF CACHE BOOL "")
 set(LLVM_ENABLE_DIA_SDK OFF CACHE BOOL "")
 set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ON CACHE BOOL "")
-set(LLVM_ENABLE_PIC OFF CACHE BOOL "")
+if(NOT APPLE)
+  set(LLVM_ENABLE_PIC OFF CACHE BOOL "")
+endif()
 set(LLVM_ENABLE_TERMINFO OFF CACHE BOOL "")
 set(LLVM_ENABLE_UNWIND_TABLES OFF CACHE BOOL "")
 set(LLVM_ENABLE_Z3_SOLVER OFF CACHE BOOL "")
Index: clang/cmake/caches/Fuchsia-stage2.cmake
===================================================================
--- clang/cmake/caches/Fuchsia-stage2.cmake
+++ clang/cmake/caches/Fuchsia-stage2.cmake
@@ -14,7 +14,9 @@
 endif()
 set(LLVM_ENABLE_LTO ON CACHE BOOL "")
 set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ON CACHE BOOL "")
-set(LLVM_ENABLE_PIC OFF CACHE BOOL "")
+if(NOT APPLE)
+  set(LLVM_ENABLE_PIC OFF CACHE BOOL "")
+endif()
 set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "")
 set(LLVM_ENABLE_TERMINFO OFF CACHE BOOL "")
 set(LLVM_ENABLE_UNWIND_TABLES OFF CACHE BOOL "")
@@ -292,10 +294,13 @@
   sancov
   CACHE STRING "")
 
+if(APPLE)
+  set(target_components LTO)
+endif()
+
 set(LLVM_DISTRIBUTION_COMPONENTS
   clang
   lld
-  LTO
   clang-apply-replacements
   clang-doc
   clang-format
@@ -307,5 +312,6 @@
   clangd
   builtins
   runtimes
+  ${target_components}
   ${LLVM_TOOLCHAIN_TOOLS}
   CACHE STRING "")


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