compiler-rt added in oop build

Author: kr-2003

.github/workflows/main.yml

@@ -79,7 +79,7 @@ jobs:
             clang-runtime: '20'
             cling: Off
             cppyy: Off
-            llvm_enable_projects: "clang"
+            llvm_enable_projects: "clang;compiler-rt"
             llvm_targets_to_build: "host;NVPTX"
             coverage: true
             oop-jit: On

lib/CppInterOp/Compatibility.h

@@ -279,9 +279,26 @@ createClangInterpreter(std::vector<const char*>& args, int stdin_fd = 0,
     std::string SlabAllocateSizeString = "";
     std::unique_ptr<llvm::orc::ExecutorProcessControl> EPC;
 
+    auto DefaultForkRedirection = [=] {
+      auto redirect = [](int from, int to) {
+        if (from != to) {
+          dup2(from, to);
+          close(from);
+        }
+      };
+
+      // TODO: stdin and stderr redirection is not necessary.
+      redirect(0, STDIN_FILENO);
+      redirect(stdout_fd, STDOUT_FILENO);
+      redirect(2, STDERR_FILENO);
+
+      setvbuf(stdout, nullptr, _IONBF, 0);
+      setvbuf(stderr, nullptr, _IONBF, 0);
+    };
+
     EPC = ExitOnError(launchExecutor(OOPExecutor, UseSharedMemory,
-                                     SlabAllocateSizeString, stdin_fd,
-                                     stdout_fd, stderr_fd));
+                                     SlabAllocateSizeString,
+                                     DefaultForkRedirection));
 
 #ifdef __APPLE__
     std::string OrcRuntimePath =

unittests/CppInterOp/main.cpp

@@ -1,7 +1,8 @@
 #include "Utils.h"
 #include <gtest/gtest.h>
+#include <string>
 
-void parseCustomArguments(int argc, char** argv) {
+static void parseCustomArguments(int argc, char** argv) {
   for (int i = 1; i < argc; ++i) {
     std::string arg(argv[i]);
     if (arg == "--use-oop-jit") {