From: Pierre Ossman <ossman@cendio.se>
Date: Tue, 8 Jun 2021 08:14:17 +0000 (+0200)
Subject: Disable nonliteral format warnings on clang
X-Git-Tag: v1.11.90~40^2~3
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=087895a2f8ea99484265461fac82cb07a343b3a3;p=tigervnc.git

Disable nonliteral format warnings on clang

These are incompatible with functions such as gettext() as clang hasn't
implemented the function attribute function_arg.
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9f1505e0..1cd1f696 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -79,6 +79,11 @@ IF(CMAKE_BUILD_TYPE MATCHES Debug)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -Werror=vla")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Werror=vla")
 ENDIF()
+# clang doesn't support format_arg, which breaks this warning
+if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-format-nonliteral -Wno-format-security")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-format-nonliteral -Wno-format-security")
+endif()
 
 option(ENABLE_ASAN "Enable address sanitizer support" OFF)
 if(ENABLE_ASAN AND NOT WIN32 AND NOT APPLE)