fix(compiler): move the use of conflicting symbols to the runtime lib

zama-ai/concrete-internal#689

compilers/concrete-compiler/compiler/include/concretelang/Runtime/utils.h

@@ -0,0 +1,21 @@
+// Part of the Concrete Compiler Project, under the BSD3 License with Zama
+// Exceptions. See
+// https://github.com/zama-ai/concrete/blob/main/LICENSE.txt
+// for license information.
+
+#ifndef CONCRETELANG_RUNTIME_UTILS_H
+#define CONCRETELANG_RUNTIME_UTILS_H
+
+#include "llvm/Support/TargetSelect.h"
+
+namespace mlir {
+namespace concretelang {
+
+// Mainly a wrapper to some LLVM functions. The reason to have this wrapper is
+// to avoid linking conflicts between the python binary extension, and LLVM.
+void LLVMInitializeNativeTarget();
+
+} // namespace concretelang
+} // namespace mlir
+
+#endif

compilers/concrete-compiler/compiler/lib/Runtime/CMakeLists.txt

@@ -1,11 +1,11 @@
 add_compile_options(-fsized-deallocation)
 
 if(CONCRETELANG_CUDA_SUPPORT)
-  add_library(ConcretelangRuntime SHARED context.cpp simulation.cpp wrappers.cpp DFRuntime.cpp key_manager.cpp
+  add_library(ConcretelangRuntime SHARED context.cpp utils.cpp simulation.cpp wrappers.cpp DFRuntime.cpp key_manager.cpp
                                          GPUDFG.cpp)
   target_link_libraries(ConcretelangRuntime PRIVATE hwloc)
 else()
-  add_library(ConcretelangRuntime SHARED context.cpp simulation.cpp wrappers.cpp DFRuntime.cpp key_manager.cpp
+  add_library(ConcretelangRuntime SHARED context.cpp utils.cpp simulation.cpp wrappers.cpp DFRuntime.cpp key_manager.cpp
                                          GPUDFG.cpp)
 endif()
 

compilers/concrete-compiler/compiler/lib/Runtime/utils.cpp

@@ -0,0 +1,15 @@
+// Part of the Concrete Compiler Project, under the BSD3 License with Zama
+// Exceptions. See
+// https://github.com/zama-ai/concrete/blob/main/LICENSE.txt
+// for license information.
+
+#include "concretelang/Runtime/utils.h"
+
+namespace mlir {
+namespace concretelang {
+void LLVMInitializeNativeTarget() {
+  llvm::InitializeNativeTarget();
+  llvm::InitializeNativeTargetAsmPrinter();
+}
+} // namespace concretelang
+} // namespace mlir

compilers/concrete-compiler/compiler/lib/Support/Pipeline.cpp

@@ -49,6 +49,7 @@
 #include "concretelang/Dialect/RT/Transforms/Passes.h"
 #include "concretelang/Dialect/TFHE/Analysis/ExtractStatistics.h"
 #include "concretelang/Dialect/TFHE/Transforms/Transforms.h"
+#include "concretelang/Runtime/utils.h"
 #include "concretelang/Support/CompilerEngine.h"
 #include "concretelang/Support/Error.h"
 #include "concretelang/Support/Pipeline.h"
@@ -611,8 +612,7 @@ std::unique_ptr<llvm::Module>
 lowerLLVMDialectToLLVMIR(mlir::MLIRContext &context,
                          llvm::LLVMContext &llvmContext,
                          mlir::ModuleOp &module) {
-  llvm::InitializeNativeTarget();
-  llvm::InitializeNativeTargetAsmPrinter();
+  mlir::concretelang::LLVMInitializeNativeTarget();
   mlir::registerLLVMDialectTranslation(*module->getContext());
   mlir::registerOpenMPDialectTranslation(*module->getContext());