[clang] a6f621b - [CMake] Drop libLTO and switch to PIE for Fuchsia toolchain

[Petr Hosek via cfe-commits]

Author: Petr Hosek
Date: 2022-10-23T21:36:45Z
New Revision: a6f621b8cacca926d809010c135be038fd05652c

URL: https://github.com/llvm/llvm-project/commit/a6f621b8cacca926d809010c135be038fd05652c
DIFF: https://github.com/llvm/llvm-project/commit/a6f621b8cacca926d809010c135be038fd05652c.diff

LOG: [CMake] Drop libLTO and switch to PIE for Fuchsia toolchain

All our users have migrated to ld64.lld so we no longer need libLTO.

Differential Revision: https://reviews.llvm.org/D135471

Added: 
    

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

Removed: 
    


################################################################################
diff  --git a/clang/cmake/caches/Fuchsia-stage2.cmake b/clang/cmake/caches/Fuchsia-stage2.cmake
index 7a09e4798309e..27d7d675970be 100644
--- a/clang/cmake/caches/Fuchsia-stage2.cmake
+++ b/clang/cmake/caches/Fuchsia-stage2.cmake
@@ -14,6 +14,7 @@ set(LLVM_ENABLE_LIBEDIT OFF CACHE BOOL "")
 set(LLVM_ENABLE_LLD ON CACHE BOOL "")
 set(LLVM_ENABLE_LTO ON CACHE BOOL "")
 set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ON CACHE BOOL "")
+set(LLVM_ENABLE_PIC OFF CACHE BOOL "")
 set(LLVM_ENABLE_PLUGINS OFF CACHE BOOL "")
 set(LLVM_ENABLE_TERMINFO OFF CACHE BOOL "")
 set(LLVM_ENABLE_UNWIND_TABLES OFF CACHE BOOL "")
@@ -92,6 +93,7 @@ foreach(target aarch64-unknown-linux-gnu;armv7-unknown-linux-gnueabihf;i386-unkn
     list(APPEND BUILTIN_TARGETS "${target}")
     set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
     set(BUILTINS_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
+    set(BUILTINS_${target}_CMAKE_POSITION_INDEPENDENT_CODE ON CACHE BOOL "")
     set(BUILTINS_${target}_CMAKE_C_FLAGS "--target=${target}" CACHE STRING "")
     set(BUILTINS_${target}_CMAKE_CXX_FLAGS "--target=${target}" CACHE STRING "")
     set(BUILTINS_${target}_CMAKE_ASM_FLAGS "--target=${target}" CACHE STRING "")
@@ -104,6 +106,7 @@ foreach(target aarch64-unknown-linux-gnu;armv7-unknown-linux-gnueabihf;i386-unkn
     list(APPEND RUNTIME_TARGETS "${target}")
     set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
     set(RUNTIMES_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
+    set(RUNTIMES_${target}_CMAKE_POSITION_INDEPENDENT_CODE ON CACHE BOOL "")
     set(RUNTIMES_${target}_CMAKE_C_FLAGS "--target=${target}" CACHE STRING "")
     set(RUNTIMES_${target}_CMAKE_CXX_FLAGS "--target=${target}" CACHE STRING "")
     set(RUNTIMES_${target}_CMAKE_ASM_FLAGS "--target=${target}" CACHE STRING "")
@@ -154,6 +157,7 @@ if(FUCHSIA_SDK)
     list(APPEND BUILTIN_TARGETS "${target}")
     set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Fuchsia CACHE STRING "")
     set(BUILTINS_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
+    set(BUILTINS_${target}_CMAKE_POSITION_INDEPENDENT_CODE ON CACHE BOOL "")
     set(BUILTINS_${target}_CMAKE_ASM_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
     set(BUILTINS_${target}_CMAKE_C_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
     set(BUILTINS_${target}_CMAKE_CXX_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
@@ -169,6 +173,7 @@ if(FUCHSIA_SDK)
     set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Fuchsia CACHE STRING "")
     set(RUNTIMES_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
     set(RUNTIMES_${target}_CMAKE_BUILD_WITH_INSTALL_RPATH ON CACHE BOOL "")
+    set(RUNTIMES_${target}_CMAKE_POSITION_INDEPENDENT_CODE ON CACHE BOOL "")
     set(RUNTIMES_${target}_CMAKE_ASM_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
     set(RUNTIMES_${target}_CMAKE_C_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
     set(RUNTIMES_${target}_CMAKE_CXX_FLAGS ${FUCHSIA_${target}_COMPILER_FLAGS} CACHE STRING "")
@@ -288,7 +293,6 @@ set(LLVM_TOOLCHAIN_TOOLS
 set(LLVM_DISTRIBUTION_COMPONENTS
   clang
   lld
-  LTO
   clang-apply-replacements
   clang-doc
   clang-format