From 7988a78fc3c62ca18a9ade9f440de69164b0fb54 Mon Sep 17 00:00:00 2001
From: David Seifert <soap@gentoo.org>
Date: Sun, 28 Jan 2018 13:24:28 +0100
Subject: Try to use system Catch2 if possible

---
 CMakeLists.txt | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c494dbf..360c391 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,7 +127,19 @@ OPTION(COMPILE_TESTS "Compile tests" FALSE)
 OPTION(COMPILE_OFFLINE_TESTS "Compile offline tests" FALSE)
 
 IF(COMPILE_OFFLINE_TESTS OR COMPILE_TESTS)
-    include_directories(unittest/Catch/include)
+    find_package(PkgConfig)
+    IF(PKG_CONFIG_FOUND)
+        pkg_check_modules(CATCH2 catch)
+    ENDIF()
+
+    if (CATCH2_FOUND)
+        message(STATUS "Found system Catch2, not using bundled version")
+        add_compile_options(${CATCH2_CFLAGS})
+    ELSE()
+        message(STATUS "Did NOT find system Catch2, instead using bundled version")
+        include_directories(unittest/Catch/single_include)
+    ENDIF()
+
     add_library(catch STATIC unittest/catch_main.cpp )
 ENDIF()
 
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