From 3cdd4fb7698c52e5432f298dcf66ab1cb15ab91f Mon Sep 17 00:00:00 2001
From: Andrew Kaster <akaster@serenityos.org>
Date: Sat, 29 Jun 2024 20:05:33 -0600
Subject: [PATCH] Meta+CMake: Use lldb on macOS for debugging

---
 Ladybird/CMakeLists.txt | 15 +++++++++++----
 Meta/ladybird.sh        | 10 +++++++++-
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/Ladybird/CMakeLists.txt b/Ladybird/CMakeLists.txt
index 1ebd1040a97..c4a6790359d 100644
--- a/Ladybird/CMakeLists.txt
+++ b/Ladybird/CMakeLists.txt
@@ -107,10 +107,17 @@ add_custom_target(run
     VERBATIM
 )
 
-add_custom_target(debug-ladybird
-    COMMAND "${CMAKE_COMMAND}" -E env "LADYBIRD_SOURCE_DIR=${LADYBIRD_SOURCE_DIR}" gdb -ex "set follow-fork-mode child" "$<TARGET_FILE:ladybird>"
-    USES_TERMINAL
-)
+if (APPLE)
+    add_custom_target(debug-ladybird
+        COMMAND "${CMAKE_COMMAND}" -E env "LADYBIRD_SOURCE_DIR=${LADYBIRD_SOURCE_DIR}" lldb "$<TARGET_BUNDLE_DIR:ladybird>"
+        USES_TERMINAL
+    )
+else()
+    add_custom_target(debug-ladybird
+        COMMAND "${CMAKE_COMMAND}" -E env "LADYBIRD_SOURCE_DIR=${LADYBIRD_SOURCE_DIR}" gdb "$<TARGET_FILE:ladybird>"
+        USES_TERMINAL
+    )
+endif()
 
 add_subdirectory(ImageDecoder)
 add_subdirectory(RequestServer)
diff --git a/Meta/ladybird.sh b/Meta/ladybird.sh
index c0207912e3a..96872aad2ed 100755
--- a/Meta/ladybird.sh
+++ b/Meta/ladybird.sh
@@ -142,6 +142,14 @@ run_gdb() {
     local GDB_ARGS=()
     local PASS_ARG_TO_GDB=""
     local LAGOM_EXECUTABLE=""
+    local GDB=gdb
+    if ! command -v "$GDB" > /dev/null 2>&1; then
+      GDB=lldb
+      if ! command -v "$GDB" > /dev/null 2>&1; then
+        die "Please install gdb or lldb!"
+      fi
+    fi
+
     for arg in "${CMD_ARGS[@]}"; do
         if [ "$PASS_ARG_TO_GDB" != "" ]; then
             GDB_ARGS+=( "$PASS_ARG_TO_GDB" "$arg" )
@@ -168,7 +176,7 @@ run_gdb() {
             LAGOM_EXECUTABLE="Ladybird"
         fi
     fi
-    gdb "$BUILD_DIR/bin/$LAGOM_EXECUTABLE" "${GDB_ARGS[@]}"
+    "$GDB" "$BUILD_DIR/bin/$LAGOM_EXECUTABLE" "${GDB_ARGS[@]}"
 }
 
 build_and_run_lagom_target() {