From 1c846fb1a83f25c8f1abab7bba883828cec31e43 Mon Sep 17 00:00:00 2001
From: Jan Kuhlmann <33833587+M2-TE@users.noreply.github.com>
Date: Wed, 2 Apr 2025 12:29:43 +0200
Subject: [PATCH] enable FindPackage testing for vk module

---
 CMakeLists.txt                   | 7 ++++++-
 tests/CMakeLists.txt             | 2 +-
 tests/integration/CMakeLists.txt | 4 +---
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index af1afe6..068eb46 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -115,7 +115,12 @@ if (VULKAN_HEADERS_ENABLE_INSTALL)
     install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/registry" DESTINATION "${CMAKE_INSTALL_DATADIR}/vulkan" USE_SOURCE_PERMISSIONS)
 
     set_target_properties(Vulkan-Headers PROPERTIES EXPORT_NAME "Headers")
-    install(TARGETS Vulkan-Headers EXPORT VulkanHeadersConfig INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+    if (VULKAN_HEADERS_ENABLE_MODULE)
+        set_target_properties(Vulkan-HppModule PROPERTIES EXPORT_NAME "HppModule")
+        install(TARGETS Vulkan-Headers Vulkan-HppModule EXPORT VulkanHeadersConfig INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+    else()
+        install(TARGETS Vulkan-Headers EXPORT VulkanHeadersConfig INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+    endif()
 
     install(EXPORT VulkanHeadersConfig NAMESPACE "Vulkan::" DESTINATION "share/cmake/VulkanHeaders")
 
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index d21c835..04a7ff3 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -26,7 +26,7 @@ add_test(NAME integration.find_package
         --build-and-test ${CMAKE_CURRENT_LIST_DIR}/integration
                          ${CMAKE_CURRENT_BINARY_DIR}/find_package
         --build-generator ${CMAKE_GENERATOR}
-        --build-options -DFIND_PACKAGE_TESTING=ON -DCMAKE_PREFIX_PATH=${test_install_dir}
+        --build-options -DFIND_PACKAGE_TESTING=ON -DCMAKE_PREFIX_PATH=${test_install_dir} -DVULKAN_HEADERS_ENABLE_MODULE=${VULKAN_HEADERS_ENABLE_MODULE}
 )
 
 # Installing comes before testing
diff --git a/tests/integration/CMakeLists.txt b/tests/integration/CMakeLists.txt
index d120531..ea66a8d 100644
--- a/tests/integration/CMakeLists.txt
+++ b/tests/integration/CMakeLists.txt
@@ -27,9 +27,7 @@ if (FIND_PACKAGE_TESTING)
         message(FATAL_ERROR "VulkanHeaders_VERSION not defined!")
     endif()
     message(STATUS "VulkanHeaders_VERSION = ${VulkanHeaders_VERSION}")
-endif()
-
-if (NOT FIND_PACKAGE_TESTING)
+else()
     # Consuming vulkan-headers via add_subdirectory should NOT add installation code to the parent CMake project.
     if (DEFINED CMAKE_INSTALL_INCLUDEDIR)
         message(FATAL_ERROR "CMAKE_INSTALL_INCLUDEDIR was defined!")