From a439daafdc98391eed13e23f93ecfca81d71c731 Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Mon, 2 Aug 2021 09:49:48 +0200 Subject: [PATCH] CMakeLists.txt: add UA_FORCE_WERROR Allow the user to disable -Werror to avoid the following build failures: /tmp/instance-0/output-1/build/open62541-v1.2.2/arch/network_tcp.c: In function 'connection_recv': /tmp/instance-0/output-1/build/open62541-v1.2.2/arch/network_tcp.c:96:5: error: conversion to 'unsigned int' from 'int' may change the sign of the result [-Werror=sign-conversion] 96 | UA_fd_set(connection->sockfd, &fdset); | ^~~~~~~~~ /tmp/instance-6/output-1/build/open62541-v1.2.2/plugins/ua_pubsub_udp.c: In function 'UA_PubSubChannelUDPMC_receive': /tmp/instance-6/output-1/build/open62541-v1.2.2/plugins/ua_pubsub_udp.c:477:21: error: conversion to '__suseconds_t' {aka 'int'} from 'UA_UInt32' {aka 'unsigned int'} may change the sign of the result [-Werror=sign-conversion] 477 | tmptv.tv_usec = (long int)(timeout % 1000000); | ^ Fixes: - http://autobuild.buildroot.org/results/911811de81d8abb2a31feb8f27af1592641c6fbc - http://autobuild.buildroot.org/results/f0187b3f2d62e955fddeef4e90f84ba4fd642bd2 Signed-off-by: Fabrice Fontaine [Upstream status: https://github.com/open62541/open62541/pull/4572] --- CMakeLists.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index bc839f27..963460d0 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -292,6 +292,8 @@ if(UA_FORCE_CPP) add_definitions(-D__STDC_CONSTANT_MACROS) # We need the UINT32_C define endif() +option(UA_FORCE_WERROR "Force compilation with -Werror" ON) + #General PubSub setup option(UA_ENABLE_PUBSUB "Enable the PubSub protocol" OFF) @@ -589,7 +591,9 @@ if(NOT UA_FORCE_CPP AND (CMAKE_COMPILER_IS_GNUCC OR "x${CMAKE_C_COMPILER_ID}" ST check_add_cc_flag("-Wall") # Warnings check_add_cc_flag("-Wextra") # More warnings check_add_cc_flag("-Wpedantic") # Standard compliance - check_add_cc_flag("-Werror") # All warnings are errors + if(UA_FORCE_WERROR) + check_add_cc_flag("-Werror") # All warnings are errors + endif() check_add_cc_flag("-Wno-static-in-inline") # Clang doesn't like the use of static inline methods inside static inline methods check_add_cc_flag("-Wno-overlength-strings") # May happen in the nodeset compiler when complex values are directly encoded -- 2.30.2