From e1d083a1855e7d74f7ecb374e555168e06e64d20 Mon Sep 17 00:00:00 2001
From: Mads Andreasen <mwa@techpeople.com>
Date: Tue, 15 Jun 2021 11:20:42 +0200
Subject: [PATCH] Removed download of gtest if tests are not built

---
 CMakeLists.txt | 61 ++++++++++++++++++++++++++++++++-----------------------------
 1 file changed, 32 insertions(+), 29 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77e3504..8bc6c5d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,36 +17,39 @@ endif ()
 #========================================= gtest INSTALL =========================================#
 #=================================================================================================#
 
-# Download and unpack googletest at configure time
-configure_file(CMakeLists.txt.in googletest-download/CMakeLists.txt)
-execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
-        RESULT_VARIABLE result
-        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download )
-if(result)
-    message(FATAL_ERROR "CMake step for googletest failed: ${result}")
-endif()
-execute_process(COMMAND ${CMAKE_COMMAND} --build .
-        RESULT_VARIABLE result
-        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download )
-if(result)
-    message(FATAL_ERROR "Build step for googletest failed: ${result}")
-endif()
+if (BUILD_TESTS)
+    # Download and unpack googletest at configure time
+    configure_file(CMakeLists.txt.in googletest-download/CMakeLists.txt)
+    execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
+            RESULT_VARIABLE result
+            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download )
+    if(result)
+        message(FATAL_ERROR "CMake step for googletest failed: ${result}")
+    endif()
+    execute_process(COMMAND ${CMAKE_COMMAND} --build .
+            RESULT_VARIABLE result
+            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download )
+    if(result)
+        message(FATAL_ERROR "Build step for googletest failed: ${result}")
+    endif()
+
+    # Prevent overriding the parent project's compiler/linker
+    # settings on Windows
+    set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+
+    # Add googletest directly to our build. This defines
+    # the gtest and gtest_main targets.
+    add_subdirectory(${CMAKE_BINARY_DIR}/googletest-src
+            ${CMAKE_BINARY_DIR}/googletest-build
+            EXCLUDE_FROM_ALL)
+
+    # The gtest/gtest_main targets carry header search path
+    # dependencies automatically when using CMake 2.8.11 or
+    # later. Otherwise we have to add them here ourselves.
+    if (CMAKE_VERSION VERSION_LESS 2.8.11)
+        include_directories("${gtest_SOURCE_DIR}/include")
+    endif()
 
-# Prevent overriding the parent project's compiler/linker
-# settings on Windows
-set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
-
-# Add googletest directly to our build. This defines
-# the gtest and gtest_main targets.
-add_subdirectory(${CMAKE_BINARY_DIR}/googletest-src
-        ${CMAKE_BINARY_DIR}/googletest-build
-        EXCLUDE_FROM_ALL)
-
-# The gtest/gtest_main targets carry header search path
-# dependencies automatically when using CMake 2.8.11 or
-# later. Otherwise we have to add them here ourselves.
-if (CMAKE_VERSION VERSION_LESS 2.8.11)
-    include_directories("${gtest_SOURCE_DIR}/include")
 endif()
 
 #=================================================================================================#
--
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