cmake: Allow deprecation warnings

[quassel.git] / cmake / QuasselCompileSettings.cmake

diff --git a/cmake/QuasselCompileSettings.cmake b/cmake/QuasselCompileSettings.cmake
index 7d46c33..4493d4d 100644 (file)
--- a/cmake/QuasselCompileSettings.cmake
+++ b/cmake/QuasselCompileSettings.cmake
@@ -1,6 +1,6 @@
 # This file contains compile flags and general build configuration for Quassel
 #
-# (C) 2014-2018 by the Quassel Project <devel@quassel-irc.org>
+# (C) 2014-2020 by the Quassel Project <devel@quassel-irc.org>
 #
 # Redistribution and use is allowed according to the terms of the BSD license.
 # For details see the accompanying COPYING-CMAKE-SCRIPTS file.
@@ -34,7 +34,6 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
         -fdiagnostics-color=always
         -fexceptions
         -fno-common
-        -fstack-protector-strong
         -Wall
         -Wextra
         -Wcast-align
@@ -46,10 +45,16 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
         -Wvla
         -Werror=return-type
         "$<$<BOOL:${FATAL_WARNINGS}>:-Werror>"
+        -Wno-error=deprecated  # Don't break on Qt upgrades
         -Wno-unknown-pragmas
         "$<$<NOT:$<CONFIG:Debug>>:-U_FORTIFY_SOURCE;-D_FORTIFY_SOURCE=2>"
     )
 
+    # ssp is currently very broken on MinGW
+    if(NOT MINGW)
+        add_compile_options(-fstack-protector-strong)
+    endif()
+
     # Check for and set linker flags
     check_and_set_linker_flag("-Wl,-z,relro"            RELRO            LINKER_FLAGS)
     check_and_set_linker_flag("-Wl,-z,now"              NOW              LINKER_FLAGS)
@@ -87,6 +92,8 @@ elseif(MSVC)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4456")
     #   C4458: declaration of 'identifier' hides class member
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4458")
+    #   C4996: deprecation warnings
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4996")
 
     # Link against the correct version of the C runtime
     set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/NODEFAULTLIB:libcmt /DEFAULTLIB:msvcrt ${CMAKE_EXE_LINKER_FLAGS_RELEASE}")