From c11c9f05868ac6367851102a71b4158e1d6bdf55 Mon Sep 17 00:00:00 2001
From: Dmitriy Purgin <dmitriy.purgin@sequality.at>
Date: Thu, 29 Jun 2023 16:02:10 +0200
Subject: [PATCH 1/2] Do not enable testing if included as subproject

---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 38d31d8..c6dde34 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,9 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 3.12)
 
+IF (DEFINED PROJECT_NAME)
+  SET(SCALR_SUBPROJECT ON)
+ENDIF()
+
 FILE(READ "${CMAKE_CURRENT_SOURCE_DIR}/include/scalr/version.hpp" version)
 
 STRING(REGEX MATCH "VERSION_MAJOR ([0-9]*)" _ ${version})
@@ -44,7 +48,7 @@ SET_TARGET_PROPERTIES(
 INSTALL(DIRECTORY include/scalr TYPE INCLUDE)
 
 # Testing
-IF(BUILD_TESTING)
+IF(BUILD_TESTING AND NOT SCALR_SUBPROJECT)
   ENABLE_TESTING()
   ADD_SUBDIRECTORY(tests)
 ENDIF()

From 8febdcc047f3a9692629da6e748301420cb17e15 Mon Sep 17 00:00:00 2001
From: Dmitriy Purgin <dmitriy.purgin@sequality.at>
Date: Thu, 29 Jun 2023 16:12:35 +0200
Subject: [PATCH 2/2] Fetch Catch2 from GitHub if not installed

---
 tests/CMakeLists.txt | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 900b678..cd71aca 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,4 +1,14 @@
-find_package(Catch2 3 REQUIRED)
+find_package(Catch2 3 QUIET)
+
+if (NOT Catch2_FOUND)
+  include(FetchContent)
+  FetchContent_Declare(
+    Catch2
+    GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+    GIT_TAG v3.3.2)
+  FetchContent_MakeAvailable(Catch2)
+endif()
+
 include(Catch)
 
 add_executable(