From: Juan Ramos <juan@lunarg.com>
Date: Thu, 5 Oct 2023 17:50:15 +0000 (-0600)
Subject: cmake: Don't REQUIRE find_package(VulkanHeaders)
X-Git-Tag: upstream/1.3.268~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7417583fc4607f2f35eb0f2d57b378cacca0e4e3;p=platform%2Fupstream%2FVulkan-Loader.git

cmake: Don't REQUIRE find_package(VulkanHeaders)

Allows use of add_subdirectory with the loader

This is the same approach used by the validation layers.
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5b7a4303..d4f0a467 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,9 +45,7 @@ if(BUILD_STATIC_LOADER)
         "or tested as part of the loader. Use it at your own risk.")
 endif()
 
-if (NOT TARGET Vulkan::Headers)
-    find_package(VulkanHeaders REQUIRED CONFIG QUIET)
-endif()
+find_package(VulkanHeaders CONFIG QUIET)
 
 include(GNUInstallDirs)
 
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index bf4d7c41..4fce83e1 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -103,6 +103,7 @@ if (UPDATE_DEPS)
 endif()
 if (VULKAN_HEADERS_INSTALL_DIR)
     list(APPEND CMAKE_PREFIX_PATH ${VULKAN_HEADERS_INSTALL_DIR})
+    set(CMAKE_REQUIRE_FIND_PACKAGE_VulkanHeaders TRUE PARENT_SCOPE)
 endif()
 
 if (CMAKE_CROSSCOMPILING)