From 1b6227fdf8e9b0e924ce63cfaec4a635a2c759b8 Mon Sep 17 00:00:00 2001
From: Evan Wilde <ewilde@apple.com>
Date: Thu, 4 Sep 2025 14:10:02 -0700
Subject: [PATCH] FreeBSD: SwiftREPL: Find swiftCore.so

The REPL keys off of the location of swiftCore.so loaded in the REPL
itself. The image is loaded lazily by dlopen. This was disabled on
FreeBSD though, so the repl couldn't find the Swift runtime.
---
 lldb/tools/repl/swift/CMakeLists.txt | 9 +++++----
 lldb/tools/repl/swift/main.c         | 4 ++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/lldb/tools/repl/swift/CMakeLists.txt b/lldb/tools/repl/swift/CMakeLists.txt
index 46989e7c25b5a..453af586fc5ed 100644
--- a/lldb/tools/repl/swift/CMakeLists.txt
+++ b/lldb/tools/repl/swift/CMakeLists.txt
@@ -20,17 +20,18 @@ target_link_libraries(repl_swift PRIVATE ${CMAKE_DL_LIBS})
 if(CMAKE_SYSTEM_NAME STREQUAL Windows)
   set_target_properties(repl_swift PROPERTIES
     WIN32_EXECUTABLE TRUE)
-elseif(CMAKE_SYSTEM_NAME STREQUAL Linux)
+elseif(CMAKE_SYSTEM_NAME MATCHES "Linux|Android|OpenBSD|FreeBSD")
+  string(TOLOWER "${CMAKE_SYSTEM_NAME}" platform)
   if(CMAKE_SYSTEM_PROCESSOR MATCHES ppc64le)
     set_target_properties(repl_swift PROPERTIES
-      BUILD_RPATH ${SWIFT_LIBRARY_DIR}/swift/linux/powerpc64le)
+      BUILD_RPATH "${SWIFT_LIBRARY_DIR}/swift/${platform}/powerpc64le")
   else()
     set_target_properties(repl_swift PROPERTIES
-      BUILD_RPATH ${SWIFT_LIBRARY_DIR}/swift/linux)
+      BUILD_RPATH "${SWIFT_LIBRARY_DIR}/swift/${platform}")
   endif()
   set_target_properties(repl_swift PROPERTIES
     BUILD_WITH_INSTALL_RPATH NO
-    INSTALL_RPATH "$ORIGIN/../lib/swift/linux")
+    INSTALL_RPATH "$ORIGIN/../lib/swift/${platform}")
 endif()
 
 # The dummy repl executable is a C program, but we always look for a mangled
diff --git a/lldb/tools/repl/swift/main.c b/lldb/tools/repl/swift/main.c
index c072b9ccd6330..7e96c359a5595 100644
--- a/lldb/tools/repl/swift/main.c
+++ b/lldb/tools/repl/swift/main.c
@@ -15,7 +15,7 @@
 #include <dlfcn.h>
 #endif
 
-#if defined(__linux__)
+#if defined(__linux__) || defined(__FreeBSD__)
 #include <dlfcn.h>
 #endif
 
@@ -60,7 +60,7 @@ int main() {
   // We load the system's libswiftCore, but this is overriden on tests to 
   // use the just built one by setting DYLD_LIBRARY_PATH.
   dlopen("/usr/lib/swift/libswiftCore.dylib", RTLD_LAZY);
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__FreeBSD__)
   dlopen("libswiftCore.so", RTLD_LAZY);
 #elif defined(_WIN32)
   HMODULE hModule = LoadLibraryW(L"swiftCore.dll");