From: Ralf Habacker <ralf.habacker@freenet.de>
Date: Wed, 1 Dec 2021 15:03:22 +0000 (+0100)
Subject: cmake: add configure option 'ENABLE_WERROR' to keep in sync with autotools
X-Git-Tag: dbus-1.13.20~12^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e2f0f588e21ff835f87688c4df543ec6545f33d;p=thirdparty%2Fdbus.git

cmake: add configure option 'ENABLE_WERROR' to keep in sync with autotools
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9ba1a3971..3b57e4e01 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -233,6 +233,8 @@ endif()
 string(APPEND CMAKE_C_FLAGS " -fno-common")
 string(APPEND CMAKE_CXX_FLAGS " -fno-common")
 
+option(ENABLE_WERROR "Unconditionally make all compiler warnings fatal" OFF)
+
 if(MSVC)
     # Use the highest warning level
     if(WALL)
@@ -331,6 +333,9 @@ else()
     )
     set(WARNINGS_ERRORS
     )
+    if(ENABLE_WERROR)
+        list(APPEND WARNINGS error)
+    endif()
 endif()
 
 generate_compiler_warning_flags(
diff --git a/README.cmake b/README.cmake
index 7c984430f..1d32302a7 100644
--- a/README.cmake
+++ b/README.cmake
@@ -139,6 +139,9 @@ DBUS_ENABLE_ANSI:BOOL=OFF
 // build DOXYGEN documentation (requires Doxygen)
 DBUS_ENABLE_DOXYGEN_DOCS:BOOL=OFF
 
+// Unconditionally make all compiler warnings fatal
+ENABLE_WERROR:BOOL=OFF
+
 // build qt help documentation (requires qhelpgenerator(-qt5));
 // set INSTALL_QCH_DIR for custom qch installation path
 ENABLE_QT_HELP:STRING=AUTO