From 7a57a70b3eb96b9f75c35b7263681df19af86586 Mon Sep 17 00:00:00 2001
From: Robert Tari <robert@tari.in>
Date: Mon, 9 Aug 2021 21:56:23 +0200
Subject: Add ENABLE_WERROR option

---
 CMakeLists.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 191e3921..45149409 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,7 @@ set(PACKAGE ${CMAKE_PROJECT_NAME})
 # Options
 option(ENABLE_TESTS "Enable all tests and checks" OFF)
 option(ENABLE_COVERAGE "Enable coverage reports (includes enabling all tests and checks)" OFF)
+option(ENABLE_WERROR "Treat all build warnings as errors" OFF)
 
 if(ENABLE_COVERAGE)
     set(ENABLE_TESTS ON)
@@ -20,6 +21,11 @@ else()
     set(CMAKE_BUILD_TYPE "Release")
 endif()
 
+if(ENABLE_WERROR)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
+endif()
+
 # GNU standard installation directories
 include (GNUInstallDirs)
 set (CMAKE_INSTALL_PKGLIBEXECDIR "${CMAKE_INSTALL_LIBEXECDIR}/${CMAKE_PROJECT_NAME}")
@@ -78,3 +84,4 @@ endif()
 # Display config info
 message(STATUS "Install prefix: ${CMAKE_INSTALL_PREFIX}")
 message(STATUS "Unit tests: ${ENABLE_TESTS}")
+message(STATUS "Build with -Werror: ${ENABLE_WERROR}")
-- 
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