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From a010673fd33c7311763620cf62159993255bb559 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Thu, 19 May 2016 23:11:45 -0700
Subject: [PATCH 14/15] compiler-rt: Simplify cross-compilation. Don't use
native-compiled llvm-config.
Note: AddLLVM.cmake does not expose the LLVM source directory.
So if you want to run the test suite, you need to either:
1) set LLVM_MAIN_SRC_DIR explicitly (to find lit.py)
2) change AddLLVM.cmake to point to an installed 'lit'.
3) add_subdirectory(compiler-rt/test) from clang instead of compiler-rt.
https://us.codeaurora.org/patches/quic/llvm/50683/compiler-rt-cross-compilation.patch
Signed-off-by: Greg Fitzgerald <gregf@codeaurora.org>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
compiler-rt/CMakeLists.txt | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/compiler-rt/CMakeLists.txt b/compiler-rt/CMakeLists.txt
index aa360a3ef36..264d39c95c3 100644
--- a/compiler-rt/CMakeLists.txt
+++ b/compiler-rt/CMakeLists.txt
@@ -66,7 +66,16 @@ set(COMPILER_RT_BAREMETAL_BUILD OFF CACHE BOOLEAN
"Build for a bare-metal target.")
if (COMPILER_RT_STANDALONE_BUILD)
- load_llvm_config()
+ find_package(LLVM REQUIRED)
+ list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_DIR}")
+
+ # Variables that AddLLVM.cmake depends on (included by AddCompilerRT)
+ set(LLVM_TOOLS_BINARY_DIR "${LLVM_INSTALL_PREFIX}/bin")
+ set(LLVM_LIBRARY_DIR "${LLVM_INSTALL_PREFIX}/lib")
+
+ set(LLVM_LIBRARY_OUTPUT_INTDIR
+ ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
+
if (TARGET intrinsics_gen)
# Loading the llvm config causes this target to be imported so place it
# under the appropriate folder in an IDE.
--
2.20.1
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