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[cmake] Also pass CMAKE_ASM_COMPILER_ID to next stage when bootstrapping

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Summary:
When setting CMAKE_ASM_COMPILER=clang, we also need to set
CMAKE_ASM_COMPILER_ID=Clang.

This is needed because cmake won't set CMAKE_ASM_COMPILER_ID if
CMAKE_ASM_COMPILER is already set.

Without CMAKE_ASM_COMPILER_ID, cmake can't set
CMAKE_ASM_COMPILER_OPTIONS_TARGET either, which means
CMAKE_ASM_COMPILER_TARGET is ignored, causing cross compiling to fail,
i.e., `--target=${CMAKE_ASM_COMPILER_TARGET}` isn't passed.

Differential Revision: https://reviews.llvm.org/D42232

llvm-svn: 322977
This commit is contained in:
Don Hinton
2018-01-19 18:31:12 +00:00
parent 272c70179a
commit 976f05166f
1 changed files with 2 additions and 1 deletions
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3
clang/CMakeLists.txt
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@@ -624,7 +624,8 @@ if (CLANG_ENABLE_BOOTSTRAP)
set(COMPILER_OPTIONS
-DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${CXX_COMPILER}
-DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${C_COMPILER}
-DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${C_COMPILER})
-DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${C_COMPILER}
-DCMAKE_ASM_COMPILER_ID=Clang)
if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
add_dependencies(clang-bootstrap-deps llvm-profdata)