From f0deb9a5a104a9e04ac714007bfb76c09ed6e6aa Mon Sep 17 00:00:00 2001
From: "Roger A. Light" <roger@atchoo.org>
Date: Fri, 27 Mar 2020 21:57:06 +0000
Subject: [PATCH] CMake: Make building clients, broker and C++ library
 optional.

Issue #1641.
---
 CMakeLists.txt     | 10 +++++++++-
 lib/CMakeLists.txt |  5 ++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49a7e8a9..749e2d28 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -100,9 +100,17 @@ endif (WITH_DLT)
 # Include projects
 # ========================================
 
+option(WITH_CLIENTS "Build clients?" ON)
+option(WITH_BROKER "Build broker?" ON)
+
 add_subdirectory(lib)
-add_subdirectory(client)
+if (WITH_CLIENTS)
+	add_subdirectory(client)
+endif (WITH_CLIENTS)
+if (WITH_BROKER)
 add_subdirectory(src)
+endif (WITH_BROKER)
+
 if (DOCUMENTATION)
 	add_subdirectory(man)
 endif (DOCUMENTATION)
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index f81dce7c..e0ce56b3 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -1,4 +1,7 @@
-add_subdirectory(cpp)
+option(WITH_LIB_CPP "Build C++ library?" ON)
+if (WITH_LIB_CPP)
+	add_subdirectory(cpp)
+endif (WITH_LIB_CPP)
 
 include_directories(${mosquitto_SOURCE_DIR} ${mosquitto_SOURCE_DIR}/lib
 			${STDBOOL_H_PATH} ${STDINT_H_PATH}