shadowm@nanacore:~/src/wesnoth% scons
scons: Reading SConscript files ...
Saved options: default_targets = 'campaignd,test,wesnoth,wesnothd', extra_flags_config = '-pipe -march=native', extra_flags_release = '-O3', prefsdir = '.wesnoth-1.11', server_gid = '1000', server_uid = '1000', strict = True, ccache = True, cxxtool = 'clang++', lockfile = True
Building Wesnoth version 1.11.8+dev
Creating lockfile
Checking for C header file poll.h... (cached) yes
Checking for C header file sys/poll.h... (cached) yes
Checking for C header file sys/select.h... (cached) yes
Checking for C header file sys/sendfile.h... (cached) yes
Checking for C function sendfile()... (cached) yes
Checking for C library m... (cached) yes
Checking for C function round()... (cached) yes
Checking whether C++ compiler works (g++ version >= 3.3 required)... (cached) yes
Checking for Gettext's libintl... (cached) libc built-in
Checking for Boost iostreams library version >= 1.34.1... (cached) yes
Checking for gzip support in Boost Iostreams... (cached) yes
Checking for bzip2 support in Boost Iostreams... (cached) yes
Checking for Boost smart_ptr library... (cached) yes
Checking for Simple DirectMedia Layer library version >= 1.2.7... (cached) yes
Checking for SDL_net library... (cached) yes
Checking for C library pthread... (cached) yes
Checking for Boost system library... (cached) yes
Checking for Boost asio library... (cached) yes
Checking for Pango with cairo backend... (cached) yes
Checking for fontconfig... (cached) yes
Checking for Boost program_options library version >= 1.35.0... (cached) yes
Checking for Boost regex library version >= 1.35.0... (cached) yes
Checking for SDL_ttf library version >= 2.0.8... (cached) yes
Checking for SDL_mixer library version >= 1.2.0... (cached) yes
Checking for C library vorbisfile... (cached) yes
Checking for SDL_image library version >= 1.2.0... (cached) yes
Checking for Ogg Vorbis support in SDL... (cached) yes
Checking for C library X11... (cached) yes
Checking for dbus-1... (cached) yes
Checking for fribidi >= 0.10.9... (cached) yes
Checking for Boost unit_test_framework library... (cached) yes
If any config checks fail, look in build/config.log for details
If a check fails spuriously due to caching, use --config=force to force its rerun
scons: done reading SConscript files.
scons: Building targets ...
scons: `campaignd' is up to date.
/usr/bin/ccache clang++ -o build/release/lua/lapi.o -c -std=c++98 -pipe -march=native -W -Wall -Werror -Wno-unused-local-typedefs -Qunused-arguments -Wno-unknown-warning-option -O2 -O3 -D_GNU_SOURCE=1 -D_REENTRANT -DHAVE_CONFIG_H -D_X11 -DLUA_USE_POSIX -I. -Isrc -I/usr/include -I/usr/include/SDL -Isrc/lua src/lua/lapi.cpp
src/lua/lapi.cpp:57:30: error: equality comparison with extraneous parentheses [-Werror,-Wparentheses-equality]
    if (((((ci->func))->tt_) == ((6 | (1 << 4)))))
         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
src/lua/lapi.cpp:57:30: note: remove extraneous parentheses around the comparison to silence this warning
    if (((((ci->func))->tt_) == ((6 | (1 << 4)))))
        ~                    ^                  ~
src/lua/lapi.cpp:57:30: note: use '=' to turn this equality comparison into an assignment
    if (((((ci->func))->tt_) == ((6 | (1 << 4)))))
                             ^~
                             =
src/lua/lapi.cpp:405:21: error: equality comparison with extraneous parentheses [-Werror,-Wparentheses-equality]
  if (((((o))->tt_) == ((6 | (1 << 4))))) return (((o)->value_).f);
       ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
src/lua/lapi.cpp:405:21: note: remove extraneous parentheses around the comparison to silence this warning
  if (((((o))->tt_) == ((6 | (1 << 4))))) return (((o)->value_).f);
      ~             ^                  ~
src/lua/lapi.cpp:405:21: note: use '=' to turn this equality comparison into an assignment
  if (((((o))->tt_) == ((6 | (1 << 4))))) return (((o)->value_).f);
                    ^~
                    =
src/lua/lapi.cpp:406:26: error: equality comparison with extraneous parentheses [-Werror,-Wparentheses-equality]
  else if (((((o))->tt_) == ((((6 | (2 << 4))) | (1 << 6)))))
            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/lua/lapi.cpp:406:26: note: remove extraneous parentheses around the comparison to silence this warning
  else if (((((o))->tt_) == ((((6 | (2 << 4))) | (1 << 6)))))
           ~             ^                                 ~
src/lua/lapi.cpp:406:26: note: use '=' to turn this equality comparison into an assignment
  else if (((((o))->tt_) == ((((6 | (2 << 4))) | (1 << 6)))))
                         ^~
                         =
src/lua/lapi.cpp:809:30: error: equality comparison with extraneous parentheses [-Werror,-Wparentheses-equality]
  if (((((L->top - 1))->tt_) == (0)))
       ~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/lua/lapi.cpp:809:30: note: remove extraneous parentheses around the comparison to silence this warning
  if (((((L->top - 1))->tt_) == (0)))
      ~                      ^     ~
src/lua/lapi.cpp:809:30: note: use '=' to turn this equality comparison into an assignment
  if (((((L->top - 1))->tt_) == (0)))
                             ^~
                             =
src/lua/lapi.cpp:849:30: error: equality comparison with extraneous parentheses [-Werror,-Wparentheses-equality]
  if (((((L->top - 1))->tt_) == (0)))
       ~~~~~~~~~~~~~~~~~~~~~~^~~~~~
src/lua/lapi.cpp:849:30: note: remove extraneous parentheses around the comparison to silence this warning
  if (((((L->top - 1))->tt_) == (0)))
      ~                      ^     ~
src/lua/lapi.cpp:849:30: note: use '=' to turn this equality comparison into an assignment
  if (((((L->top - 1))->tt_) == (0)))
                             ^~
                             =
src/lua/lapi.cpp:994:21: error: equality comparison with extraneous parentheses [-Werror,-Wparentheses-equality]
  if (((((o))->tt_) == ((((6 | (0 << 4))) | (1 << 6)))))
       ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/lua/lapi.cpp:994:21: note: remove extraneous parentheses around the comparison to silence this warning
  if (((((o))->tt_) == ((((6 | (0 << 4))) | (1 << 6)))))
      ~             ^                                 ~
src/lua/lapi.cpp:994:21: note: use '=' to turn this equality comparison into an assignment
  if (((((o))->tt_) == ((((6 | (0 << 4))) | (1 << 6)))))
                    ^~
                    =
6 errors generated.
scons: *** [build/release/lua/lapi.o] Error 1
scons: building terminated because of errors.