From 3faff570a28771ce88a802d54eaa5a880bdce873 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Wed, 2 Jan 2019 06:31:50 +0100
Subject: [PATCH] If Catch 2 and Catch 1 is not found, then abort.

---
 tests.CMakeLists.txt | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tests.CMakeLists.txt b/tests.CMakeLists.txt
index 5e4fde4..f38d65e 100644
--- a/tests.CMakeLists.txt
+++ b/tests.CMakeLists.txt
@@ -3,8 +3,13 @@ if(WITH_TESTS)
     if(Catch2_FOUND)
         set(MYCATCH, Catch2::Catch2)
     else()
-        message(WARNING "Catch2 not found. Assuming Catch 1.x is installed.")
-        set(MYCATCH, "")
+        if(EXISTS "/usr/include/catch.hpp")
+            message(STATUS "Catch 1.x found.")
+            set(MYCATCH, "")
+        else()
+            message(FATAL_ERROR
+                    "Neither Catch 2.x nor Catch 1.x could be found.")
+        endif()
     endif()
     include(CTest)