From 957e46dfb8cb531ef9952aafcac98a5099b1486e Mon Sep 17 00:00:00 2001
From: Petr Hosek <phosek@chromium.org>
Date: Wed, 6 Jun 2018 21:43:37 +0000
Subject: [PATCH] [CMake] Pass additional CMake tools to external projects

This is needed when the external projects try to use other tools
besides just the compiler and the linker.

Differential Revision: https://reviews.llvm.org/D47833

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@334136 91177308-0d34-0410-b5e6-96231b3b80d8
---
 cmake/modules/LLVMExternalProjectUtils.cmake | 24 ++++++++++++++++++--
 runtimes/CMakeLists.txt                      |  4 ++--
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/cmake/modules/LLVMExternalProjectUtils.cmake b/cmake/modules/LLVMExternalProjectUtils.cmake
index 619550b5943a4..f491f39e1b005 100644
--- a/cmake/modules/LLVMExternalProjectUtils.cmake
+++ b/cmake/modules/LLVMExternalProjectUtils.cmake
@@ -46,7 +46,7 @@ function(llvm_ExternalProject_Add name source_dir)
   if(NOT ARG_TOOLCHAIN_TOOLS)
     set(ARG_TOOLCHAIN_TOOLS clang lld)
     if(NOT APPLE AND NOT WIN32)
-      list(APPEND ARG_TOOLCHAIN_TOOLS llvm-ar llvm-ranlib)
+      list(APPEND ARG_TOOLCHAIN_TOOLS llvm-ar llvm-ranlib llvm-nm llvm-objcopy llvm-objdump llvm-strip)
     endif()
   endif()
   foreach(tool ${ARG_TOOLCHAIN_TOOLS})
@@ -107,12 +107,27 @@ function(llvm_ExternalProject_Add name source_dir)
       set(compiler_args -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
                         -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++)
     endif()
+    if(lld IN_LIST TOOLCHAIN_TOOLS)
+      list(APPEND compiler_args -DCMAKE_LINKER=${LLVM_RUNTIME_OUTPUT_INTDIR}/ld.lld)
+    endif()
     if(llvm-ar IN_LIST TOOLCHAIN_TOOLS)
       list(APPEND compiler_args -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
     endif()
     if(llvm-ranlib IN_LIST TOOLCHAIN_TOOLS)
       list(APPEND compiler_args -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
     endif()
+    if(llvm-nm IN_LIST TOOLCHAIN_TOOLS)
+      list(APPEND compiler_args -DCMAKE_NM=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-nm)
+    endif()
+    if(llvm-objdump IN_LIST TOOLCHAIN_TOOLS)
+      list(APPEND compiler_args -DCMAKE_OBJDUMP=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-objdump)
+    endif()
+    if(llvm-objcopy IN_LIST TOOLCHAIN_TOOLS)
+      list(APPEND compiler_args -DCMAKE_OBJCOPY=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-objcopy)
+    endif()
+    if(llvm-strip IN_LIST TOOLCHAIN_TOOLS)
+      list(APPEND compiler_args -DCMAKE_STRIP=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-strip)
+    endif()
     list(APPEND ARG_DEPENDS ${TOOLCHAIN_TOOLS})
   endif()
 
@@ -139,8 +154,13 @@ function(llvm_ExternalProject_Add name source_dir)
   if(CMAKE_CROSSCOMPILING)
     set(compiler_args -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
                       -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
+                      -DCMAKE_LINKER=${CMAKE_LINKER}
                       -DCMAKE_AR=${CMAKE_AR}
-                      -DCMAKE_RANLIB=${CMAKE_RANLIB})
+                      -DCMAKE_RANLIB=${CMAKE_RANLIB}
+                      -DCMAKE_NM=${CMAKE_NM}
+                      -DCMAKE_OBJCOPY=${CMAKE_OBJCOPY}
+                      -DCMAKE_OBJDUMP=${CMAKE_OBJDUMP}
+                      -DCMAKE_STRIP=${CMAKE_STRIP})
     set(llvm_config_path ${LLVM_CONFIG_PATH})
   else()
     set(llvm_config_path "$<TARGET_FILE:llvm-config>")
diff --git a/runtimes/CMakeLists.txt b/runtimes/CMakeLists.txt
index e5291f81979b7..40694451b177b 100644
--- a/runtimes/CMakeLists.txt
+++ b/runtimes/CMakeLists.txt
@@ -285,7 +285,7 @@ else() # if this is included from LLVM's CMake
                                         -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
                                         ${${target}_extra_args}
                              PASSTHROUGH_PREFIXES CLANG_DEFAULT
-                             TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib
+                             TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib llvm-nm llvm-objcopy llvm-objdump llvm-strip
                              USE_TOOLCHAIN
                              ${EXTRA_ARGS})
   endfunction()
@@ -463,7 +463,7 @@ else() # if this is included from LLVM's CMake
                                         ${${name}_extra_args}
                              PASSTHROUGH_PREFIXES LLVM_ENABLE_RUNTIMES
                                                   CLANG_DEFAULT
-                             TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib
+                             TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib llvm-nm llvm-objcopy llvm-objdump llvm-strip
                              EXTRA_TARGETS ${${name}_extra_targets}
                                            ${${name}_test_targets}
                              USE_TOOLCHAIN