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40 lines
1.5 KiB
Diff
40 lines
1.5 KiB
Diff
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From cf35b4622d31701d0c79e0441931518726f997f2 Mon Sep 17 00:00:00 2001
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From: Nikita Popov <npopov@redhat.com>
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Date: Fri, 30 Jun 2023 12:25:09 +0200
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Subject: [PATCH] Add LLVM_UNITTEST_LINK_FLAGS option
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This allows specifying linker flags that should only be applied
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to unit tests, e.g. to disable LTO optimization for them.
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---
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llvm/cmake/modules/AddLLVM.cmake | 2 ++
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llvm/cmake/modules/HandleLLVMOptions.cmake | 3 +++
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2 files changed, 5 insertions(+)
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diff --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake
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index 94fc83db9344..7cf75223ce38 100644
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--- a/llvm/cmake/modules/AddLLVM.cmake
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+++ b/llvm/cmake/modules/AddLLVM.cmake
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@@ -1592,6 +1592,8 @@ function(add_unittest test_suite test_name)
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endif()
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endif()
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+ target_link_options(${test_name} PRIVATE "${LLVM_UNITTEST_LINK_FLAGS}")
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+
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set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
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set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir})
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# libpthreads overrides some standard library symbols, so main
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diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
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index 6119ecdce0f4..eec98162c2d7 100644
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--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
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+++ b/llvm/cmake/modules/HandleLLVMOptions.cmake
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@@ -1274,3 +1274,6 @@ endif()
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set(LLVM_THIRD_PARTY_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../third-party CACHE STRING
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"Directory containing third party software used by LLVM (e.g. googletest)")
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+
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+set(LLVM_UNITTEST_LINK_FLAGS "" CACHE STRING
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+ "Additional linker flags for unit tests")
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--
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2.40.1
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