From c117906a7fd713fcf57150215f1551b4e094d4eb Mon Sep 17 00:00:00 2001
From: Armin <armin@cherry>
Date: Wed, 5 Aug 2026 20:10:49 +0200
Subject: [PATCH] Auto-clone JUCE into build dir when not found

---
 CMakeLists.txt | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9a5c480..c30ed14 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,7 +38,27 @@ if(NOT DEFINED JUCE_DIR)
 endif()
 
 if(NOT EXISTS "${JUCE_DIR}/CMakeLists.txt")
-    message(FATAL_ERROR "JUCE not found at ${JUCE_DIR}. Pass -DJUCE_DIR=<path> or clone it next to this project.")
+    if(Git_FOUND)
+        set(JUCE_CLONE_DIR "${CMAKE_CURRENT_BINARY_DIR}/juce")
+        if(EXISTS "${JUCE_CLONE_DIR}/CMakeLists.txt")
+            message(STATUS "Using JUCE from previous clone at ${JUCE_CLONE_DIR}")
+            set(JUCE_DIR "${JUCE_CLONE_DIR}")
+        elseif(EXISTS "${JUCE_CLONE_DIR}")
+            message(FATAL_ERROR "${JUCE_CLONE_DIR} exists but is not a JUCE checkout. Remove it and re-run, or pass -DJUCE_DIR=<path>.")
+        else()
+            message(STATUS "JUCE not found at ${JUCE_DIR}; cloning into ${JUCE_CLONE_DIR}...")
+            execute_process(
+                COMMAND ${GIT_EXECUTABLE} clone --depth 1 https://github.com/juce-framework/JUCE.git "${JUCE_CLONE_DIR}"
+                RESULT_VARIABLE JUCE_CLONE_RESULT
+            )
+            if(NOT JUCE_CLONE_RESULT EQUAL 0)
+                message(FATAL_ERROR "Failed to clone JUCE. Pass -DJUCE_DIR=<path> to point at an existing checkout.")
+            endif()
+            set(JUCE_DIR "${JUCE_CLONE_DIR}")
+        endif()
+    else()
+        message(FATAL_ERROR "JUCE not found at ${JUCE_DIR} and Git is unavailable. Pass -DJUCE_DIR=<path> or install Git.")
+    endif()
 endif()
 
 add_subdirectory("${JUCE_DIR}" juce_build)