From c6171bfca479fb2ee375e2b1f55e174ed79c4f87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robin=20Lind=C3=A9n?= <dev@robinlinden.eu>
Date: Fri, 26 Apr 2019 22:09:07 +0200
Subject: [PATCH] Add option to disable building/running the tests

This is a nice feature to have for when the project is included in
another project as e.g. a git submodule or used with CMake's
FetchContent.
---
 CMakeLists.txt | 9 ++++++---
 README.md      | 2 ++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ff08d4b..4370f6a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,8 @@ cmake_minimum_required(VERSION 3.11)
 
 project("sodium")
 
+option(SODIUM_DISABLE_TESTS "Disable tests" OFF)
+
 add_library(${PROJECT_NAME}
     libsodium/src/libsodium/crypto_aead/aes256gcm/aesni/aead_aes256gcm_aesni.c
     libsodium/src/libsodium/crypto_aead/chacha20poly1305/sodium/aead_chacha20poly1305.c
@@ -268,6 +270,7 @@ configure_file(
     ${CMAKE_CURRENT_SOURCE_DIR}/libsodium/src/libsodium/include/sodium/version.h
 )
 
-enable_testing()
-
-add_subdirectory(test)
+if(NOT SODIUM_DISABLE_TESTS)
+    enable_testing()
+    add_subdirectory(test)
+endif()
diff --git a/README.md b/README.md
index 22cc654..1be9328 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,8 @@ FetchContent_Declare(
 
 FetchContent_GetProperties(Sodium)
 if(NOT sodium_POPULATED)
+    set(SODIUM_DISABLE_TESTS ON)
+
     FetchContent_Populate(Sodium)
     add_subdirectory(
         ${sodium_SOURCE_DIR}