From a9aa508c1af4b43050f14494a852790ab398747a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20D=C3=B6rfelt?= <hi@mokafolio.de>
Date: Wed, 30 Oct 2024 09:37:49 -0700
Subject: [PATCH] CMake: Added VUL_ENABLE_INSTALL to top level cmake file.

- Allows you to manually control the existance of the install target
- defaults to VUL_IS_TOP_LEVEL to keep the original behavior without any
changes to client code
---
 CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 674dcfe..dd34785 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,6 +9,11 @@ project(VUL LANGUAGES CXX)
 
 string(COMPARE EQUAL ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_SOURCE_DIR} VUL_IS_TOP_LEVEL) # Remove when min is 3.21
 
+# Control whether to install or not. By default its only on if this is the top level cmake project.
+if(NOT DEFINED VUL_ENABLE_INSTALL)
+    option(VUL_ENABLE_INSTALL "Enable install" ${VUL_IS_TOP_LEVEL})
+endif()
+
 set_property(GLOBAL PROPERTY USE_FOLDERS ON) # Remove when min is 3.26, see CMP0143
 
 set(CMAKE_CXX_STANDARD 17)
@@ -30,7 +35,7 @@ find_package(VulkanHeaders CONFIG)
 add_subdirectory(src)
 add_subdirectory(include)
 
-if (VUL_IS_TOP_LEVEL)
+if (VUL_ENABLE_INSTALL)
     option(BUILD_TESTS "Build tests")
     if (BUILD_TESTS)
         enable_testing()