Support the CORE_LIBRARIES environment variable on Unix (#5112)

Mimic the Windows behavior by adding to the search path of native dlls
the content of the CORE_LIBRARIES environment variable.

diff --git a/src/coreclr/hosts/unixcoreruncommon/coreruncommon.cpp b/src/coreclr/hosts/unixcoreruncommon/coreruncommon.cpp
index b9e62ff..fb70c69 100644 (file)
--- a/src/coreclr/hosts/unixcoreruncommon/coreruncommon.cpp
+++ b/src/coreclr/hosts/unixcoreruncommon/coreruncommon.cpp
@@ -292,7 +292,14 @@ int ExecuteManagedAssembly(
     std::string appPath;
     GetDirectory(managedAssemblyAbsolutePath, appPath);
 
+    // Construct native search directory paths
     std::string nativeDllSearchDirs(appPath);
+    char *coreLibraries = getenv("CORE_LIBRARIES");
+    if (coreLibraries)
+    {
+        nativeDllSearchDirs.append(":");
+        nativeDllSearchDirs.append(coreLibraries);
+    }
     nativeDllSearchDirs.append(":");
     nativeDllSearchDirs.append(clrFilesAbsolutePath);