Merge #206907: stdenv: gcc11 -> gcc12

pkgs/applications/audio/aether-lv2/default.nix

···
     lv2 libX11 libGL libGLU mesa
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-bounds"
+    "-Wno-error=stringop-overflow"
+  ];
+
   installPhase = ''
     mkdir -p $out/lib/lv2
     cp -r aether.lv2 $out/lib/lv2

pkgs/applications/audio/furnace/default.nix

···
     "-DWARNINGS_ARE_ERRORS=ON"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=mismatched-new-delete"
+    "-Wno-error=use-after-free"
+  ];
+
   postInstall = lib.optionalString stdenv.hostPlatform.isDarwin ''
     # Normal CMake install phase on Darwin only installs the binary, the user is expected to use CPack to build a
     # bundle. That adds alot of overhead for not much benefit (CPack is currently abit broken, and needs impure access

pkgs/applications/audio/mimic/default.nix

···
     pcre2
   ] ++ lib.optional pulseaudioSupport libpulseaudio;
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=free-nonheap-object"
+  ];
+
   postInstall = ''
     wrapProgram $out/bin/mimic \
       --run "export ALSA_PLUGIN_DIR=${alsa-plugins}/lib/alsa-lib"

pkgs/applications/emulators/mame/default.nix

···
       --subst-var-by mamePath "$out/opt/mame"
   '';
 
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=use-after-free"
+  ];
+
   desktopItems = [
     (makeDesktopItem {
       name = "MAME";

pkgs/applications/graphics/foxotron/default.nix

···
     ++ lib.optionals stdenv.hostPlatform.isLinux [ libX11 libXrandr libXinerama libXcursor libXi libXext alsa-lib fontconfig libGLU ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [ AVFoundation Carbon Cocoa CoreAudio Kernel OpenGL ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-bounds"
+  ];
+
   installPhase = ''
     runHook preInstall
 

pkgs/applications/graphics/goxel/default.nix

···
 
   nativeBuildInputs = [ scons pkg-config wrapGAppsHook ];
   buildInputs = [ glfw3 gtk3 libpng12 ];
+
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=format-truncation"
+  ];
+
   NIX_LDFLAGS = "-lpthread";
 
   buildPhase = ''

pkgs/applications/misc/lyx/default.nix

···
     sha256 = "sha256-xr7SYzQZiY4Bp8w1AxDX2TS/WRyrcln8JYGqTADq+ng=";
   };
 
+  # Needed with GCC 12
+  postPatch = ''
+    sed '1i#include <iterator>' -i src/lyxfind.cpp
+    sed '1i#include <cstring>'  -i src/insets/InsetListings.cpp
+  '';
+
   # LaTeX is used from $PATH, as people often want to have it with extra pkgs
   nativeBuildInputs = [ pkg-config makeWrapper ];
   buildInputs = [

pkgs/applications/networking/instant-messengers/telegram/tdesktop/tg_owt.nix

···
-{ lib, stdenv, fetchFromGitHub
+{ lib, stdenv, fetchFromGitHub, fetchpatch
 , pkg-config, cmake, ninja, yasm
 , libjpeg, openssl_1_1, libopus, ffmpeg, alsa-lib, libpulseaudio, protobuf
 , openh264, usrsctp, libevent, libvpx
···
     libX11 libXtst libXcomposite libXdamage libXext libXrender libXrandr libXi
     glib abseil-cpp pcre util-linuxMinimal libselinux libsepol pipewire
     mesa libepoxy libglvnd
+  ];
+
+  patches = [
+    # GCC 12 Fix
+    (fetchpatch {
+      url = "https://github.com/desktop-app/tg_owt/pull/101/commits/86d2bcd7afb8706663d29e30f65863de5a626142.patch";
+      hash = "sha256-iWS0mB8R0vqPU/0qf6Ax54UCAKYDVCPac2mi/VHbFm0=";
+    })
   ];
 
   cmakeFlags = [

pkgs/applications/science/biology/octopus/default.nix

···
     sha256 = "sha256-VaUr63v7mzhh4VBghH7a7qrqOYwl6vucmmKzTi9yAjY=";
   }) ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=deprecated-declarations"
+  ];
+
   postInstall = ''
     mkdir $out/bin
     mv $out/octopus $out/bin

pkgs/applications/science/logic/cbmc/default.nix

···
       --prefix PATH : "$out/share/cbmc" \
   '';
 
-  # fix "argument unused during compilation"
-  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang
-    "-Wno-unused-command-line-argument";
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+  ] ++ lib.optionals stdenv.cc.isClang [
+    # fix "argument unused during compilation"
+    "-Wno-unused-command-line-argument"
+  ];
 
   # TODO: add jbmc support
   cmakeFlags = [ "-DWITH_JBMC=OFF" "-Dsat_impl=cadical" "-Dcadical_INCLUDE_DIR=${cadical.dev}/include" ];

pkgs/applications/science/math/mxnet/default.nix

···
     ] else [ "-DUSE_CUDA=OFF" ])
     ++ lib.optional (!cudnnSupport) "-DUSE_CUDNN=OFF";
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+    "-Wno-error=uninitialized"
+  ];
+
   postPatch = ''
     substituteInPlace 3rdparty/mkldnn/tests/CMakeLists.txt \
       --replace "/bin/bash" "${bash}/bin/bash"

pkgs/applications/version-management/fnc/default.nix

···
 
   makeFlags = [ "PREFIX=$(out)" ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+  ];
+
   preInstall = ''
     mkdir -p $out/bin
   '';

pkgs/development/compilers/mit-scheme/default.nix

···
     runHook postConfigure
   '';
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-parameter"
+    "-Wno-error=use-after-free"
+  ];
+
   buildPhase = ''
     runHook preBuild
     cd src

pkgs/development/compilers/urweb/default.nix

···
                    -L${sqlite.out}/lib";
   '';
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=use-after-free"
+  ];
+
   # Be sure to keep the statically linked libraries
   dontDisableStatic = true;
 

pkgs/development/interpreters/gnu-apl/default.nix

···
     "-Wno-error=maybe-uninitialized"
     # Needed with GCC 11
     "-Wno-error=misleading-indentation"
+    # Needed with GCC 12
+    "-Wno-error=nonnull"
+    "-Wno-error=stringop-overflow"
+    "-Wno-error=use-after-free"
    ]) ++ optional stdenv.cc.isClang "-Wno-error=null-dereference");
 
   patchPhase = lib.optionalString stdenv.isDarwin ''

pkgs/development/libraries/assimp/default.nix

···
 
   cmakeFlags = [ "-DASSIMP_BUILD_ASSIMP_TOOLS=ON" ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-bounds"
+  ];
+
   meta = with lib; {
     description = "A library to import various 3D model formats";
     homepage = "https://www.assimp.org/";

pkgs/development/libraries/belle-sip/default.nix

···
     "-Wno-error=deprecated-declarations"
     "-Wno-error=format-truncation"
     "-Wno-error=stringop-overflow"
+    # Needed with GCC 12
+    "-Wno-error=use-after-free"
   ];
 
   propagatedBuildInputs = [ libantlr3c mbedtls_2 bctoolbox belr ];

pkgs/development/libraries/boringssl/default.nix

···
     export GOARCH=$(go env GOHOSTARCH)
   '';
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=stringop-overflow"
+  ];
+
   buildPhase = ''
     ninjaBuildPhase
   '';

pkgs/development/libraries/bzrtp/default.nix

···
   # Do not build static libraries
   cmakeFlags = [ "-DENABLE_STATIC=NO" "-DCMAKE_C_FLAGS=-Wno-error=cast-function-type" ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=stringop-overflow"
+  ];
+
   meta = with lib; {
     description = "An opensource implementation of ZRTP keys exchange protocol. Part of the Linphone project.";
     homepage = "https://gitlab.linphone.org/BC/public/bzrtp";

pkgs/development/libraries/clucene-core/2.x.nix

···
     "-DLUCENE_STATIC_CONSTANT_SYNTAX_EXITCODE__TRYRUN_OUTPUT="
   ];
 
-  patches = # From debian
-    [ ./Fix-pkgconfig-file-by-adding-clucene-shared-library.patch
-      ./Fixing_ZLIB_configuration_in_shared_CMakeLists.patch
-      ./Install-contribs-lib.patch
-    ] ++ lib.optionals stdenv.isDarwin [ ./fix-darwin.patch ];
+  patches = [
+    # From debian
+    ./Fix-pkgconfig-file-by-adding-clucene-shared-library.patch
+    ./Fixing_ZLIB_configuration_in_shared_CMakeLists.patch
+    ./Install-contribs-lib.patch
+    # From arch
+    ./fix-missing-include-time.patch
+  ] ++ lib.optionals stdenv.isDarwin [ ./fix-darwin.patch ];
 
   # fails with "Unable to find executable:
   # /build/clucene-core-2.3.3.4/build/bin/cl_test"

pkgs/development/libraries/clucene-core/fix-missing-include-time.patch

···
+From c1c2000c35ff39b09cb70fbdf66a107d3b17a674 Mon Sep 17 00:00:00 2001
+From: Stephan Bergmann <[e-mail]>
+Date: Wed, 12 Oct 2022 08:40:49 +0200
+Subject: [PATCH] Fix missing #include <time.h>
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+At least on recent Fedora 37 beta, building now failed with
+
+> CLucene/document/DateTools.cpp:26:19: error: ‘gmtime’ was not declared in this scope
+>    26 |         tm *ptm = gmtime(&secs);
+>       |                   ^~~~~~
+
+etc.
+
+As it turns out, after 22f9d40320e3deeaa8d6aaa7a770077c20a21dae "git-svn-id:
+https://clucene.svn.sourceforge.net/svnroot/clucene/branches/lucene2_3_2@2672
+20ef185c-fe11-0410-a618-ba9304b01011" on 2008-06-26 had commented out
+_CL_TIME_WITH_SYS_TIME in clucene-config.h.cmake as "not actually used for
+anything", then cceccfb52917b5f4da447f1cf20c135952d41442 "Presenting DateTools
+and deprecating DateField. DateTools still requires some testing and its own
+unit testing" on 2008-06-29 had introduced this use of it (into then
+src/CLucene/document/DateTools.H).  And apparently most build environments have
+silently been happy ever since when the dead leading check for
+_CL_TIME_WITH_SYS_TIME didn't include both <sys/time.h> and <time.h>, but the
+following check for _CL_HAVE_SYS_TIME_H only included <sys/time.h> but not
+<time.h>.
+---
+ src/shared/CLucene/clucene-config.h.cmake | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/src/shared/CLucene/clucene-config.h.cmake b/src/shared/CLucene/clucene-config.h.cmake
+index bd8683a5..6fe0f92b 100644
+--- a/src/shared/CLucene/clucene-config.h.cmake
++++ b/src/shared/CLucene/clucene-config.h.cmake
+@@ -100,8 +100,7 @@ ${SYMBOL__T}
+ //#cmakedefine _CL_STAT_MACROS_BROKEN
+ 
+ /* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+-//not actually used for anything...
+-//#cmakedefine _CL_TIME_WITH_SYS_TIME  1 
++#cmakedefine _CL_TIME_WITH_SYS_TIME  1 
+ 
+ /* Define that we will be using -fvisibility=hidden, and 
+  * make public classes visible using __attribute__ ((visibility("default")))
+-- 
+2.37.3
+

pkgs/development/libraries/cpp-ipfs-http-client/default.nix

···
 
   NIX_CFLAGS_COMPILE = [
     "-Wno-error=range-loop-construct"
+    # Needed with GCC 12
+    "-Wno-error=deprecated-declarations"
   ];
 
   meta = with lib; {

pkgs/development/libraries/gsmlib/default.nix

···
 stdenv.mkDerivation rec {
   pname = "gsmlib";
   version = "unstable-2017-10-06";
+
   src = fetchFromGitHub {
     owner = "x-logLT";
     repo = "gsmlib";
     rev = "4f794b14450132f81673f7d3570c5a859aecf7ae";
     sha256 = "16v8aj914ac1ipf14a867ljib3gy7fhzd9ypxnsg9l0zi8mm3ml5";
   };
+
   nativeBuildInputs = [ autoreconfHook ];
+
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-std=c++14"
+  ];
+
   meta = with lib; {
     description = "Library to access GSM mobile phones through GSM modems";
     homepage = "https://github.com/x-logLT/gsmlib";

pkgs/development/libraries/iqueue/default.nix

···
   nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libbsd microsoft_gsl ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-parameter"
+    "-Wno-error=misleading-indentation"
+  ];
+
   meta = with lib; {
     homepage = "https://github.com/twosigma/iqueue";
     description = "Indexed queue";

pkgs/development/libraries/libbladeRF/default.nix

···
     "-DBLADERF_GROUP=bladerf"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-bounds"
+  ];
+
   hardeningDisable = [ "fortify" ];
 
   meta = with lib; {

pkgs/development/libraries/libcli/default.nix

···
 
   makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" "AR=${stdenv.cc.targetPrefix}ar" "PREFIX=$(out)" ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=address"
+  ];
+
   meta = with lib; {
     description = "Emulate a Cisco-style telnet command-line interface";
     homepage = "http://sites.dparrish.com/libcli";

pkgs/development/libraries/libdynd/default.nix

···
     "-DDYND_BUILD_BENCHMARKS=OFF"
   ];
 
-  # added to fix build with gcc7+
   NIX_CFLAGS_COMPILE = builtins.toString [
+    # added to fix build with gcc7+
     "-Wno-error=implicit-fallthrough"
     "-Wno-error=nonnull"
     "-Wno-error=tautological-compare"
     "-Wno-error=class-memaccess"
     "-Wno-error=parentheses"
     "-Wno-error=deprecated-copy"
+    # Needed with GCC 12
+    "-Wno-error=deprecated-declarations"
+    "-Wno-error=maybe-uninitialized"
   ];
 
   nativeBuildInputs = [ cmake ];

pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix

···
     "--with-x-locale-root=${libX11.out}/share/X11/locale"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-bounds"
+  ];
+
   preBuild = lib.optionalString stdenv.isDarwin ''
     sed -i 's/,--version-script=.*$//' Makefile
   '';

pkgs/development/libraries/octomap/default.nix

···
     rev = "v${version}";
     hash = "sha256-qE5i4dGugm7tR5tgDCpbla/R7hYR/PI8BzrZQ4y6Yz8=";
   };
+
   sourceRoot = "source/octomap";
 
   nativeBuildInputs = [ cmake ];
+
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=deprecated-declarations"
+  ];
 
   meta = with lib; {
     description = "A probabilistic, flexible, and compact 3D mapping library for robotic systems";

pkgs/development/libraries/opendbx/default.nix

···
 
   buildInputs = [ readline libmysqlclient postgresql sqlite ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-std=c++14"
+  ];
+
   meta = with lib; {
     broken = stdenv.isDarwin;
     description = "Extremely lightweight but extensible database access library written in C";

pkgs/development/libraries/rocksdb/default.nix

···
     "tools"
   ];
 
-  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isGNU "-Wno-error=deprecated-copy -Wno-error=pessimizing-move"
-    + lib.optionalString stdenv.cc.isClang "-Wno-error=unused-private-field -faligned-allocation";
+  NIX_CFLAGS_COMPILE = lib.optionals stdenv.cc.isGNU [
+    "-Wno-error=deprecated-copy"
+    "-Wno-error=pessimizing-move"
+    # Needed with GCC 12
+    "-Wno-error=format-truncation"
+    "-Wno-error=maybe-uninitialized"
+  ] ++ lib.optionals stdenv.cc.isClang [
+    "-Wno-error=unused-private-field"
+    "-faligned-allocation"
+  ];
 
   cmakeFlags = [
     "-DPORTABLE=1"

pkgs/development/libraries/roctracer/default.nix

···
     "-DCMAKE_INSTALL_INCLUDEDIR=include"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-bounds"
+  ];
+
   postPatch = ''
     export HIP_DEVICE_LIB_PATH=${rocm-device-libs}/amdgcn/bitcode
   '' + lib.optionalString (!buildTests) ''

pkgs/development/libraries/swiftshader/default.nix

···
   nativeBuildInputs = [ cmake python3 jq ];
   buildInputs = [ libX11 libXext zlib ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-bounds"
+    "-Wno-error=uninitialized"
+  ];
+
   # Make sure we include the drivers and icd files in the output as the cmake
   # generated install command only puts in the spirv-tools stuff.
   installPhase = ''

pkgs/development/libraries/unittest-cpp/default.nix

···
-{lib, stdenv, fetchFromGitHub, cmake}:
+{ lib
+, stdenv
+, fetchFromGitHub
+, fetchpatch
+, cmake
+}:
 
 stdenv.mkDerivation rec {
   pname = "unittest-cpp";
···
     rev = "v${version}";
     sha256 = "0sxb3835nly1jxn071f59fwbdzmqi74j040r81fanxyw3s1azw0i";
   };
+
+  patches = [
+    # GCC12 Patch
+    (fetchpatch {
+      url = "https://github.com/unittest-cpp/unittest-cpp/pull/185/commits/f361c2a1034c02ba8059648f9a04662d6e2b5553.patch";
+      hash = "sha256-xyhV2VBelw/uktUXSZ3JBxgG+8/Mout/JiXEZVV2+2Y=";
+    })
+  ];
 
   nativeBuildInputs = [ cmake ];
 

pkgs/development/libraries/uri/default.nix

···
     sha256 = "148361pixrm94q6v04k13s1msa04bx9yc3djb0lxpa7dlw19vhcd";
   };
 
-  NIX_CFLAGS_COMPILE = "-Wno-error=parentheses";
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=parentheses"
+    # Needed with GCC 12
+    "-Wno-error=deprecated-declarations"
+    "-Wno-error=nonnull"
+  ];
 
   nativeBuildInputs = [ cmake doxygen ];
 

pkgs/development/tools/analysis/rr/default.nix

···
   postPatch = ''
     substituteInPlace src/Command.cc --replace '_BSD_SOURCE' '_DEFAULT_SOURCE'
     sed '7i#include <math.h>' -i src/Scheduler.cc
+    sed '1i#include <ctime>' -i src/test-monitor/test-monitor.cc
     patchShebangs .
   '';
 

pkgs/development/tools/profiling/systemtap/default.nix

···
     nativeBuildInputs = [ pkg-config cpio python3 python3.pkgs.setuptools ];
     buildInputs = [ elfutils gettext ];
     enableParallelBuilding = true;
+    NIX_CFLAGS_COMPILE = [ "-Wno-error=deprecated-declarations" ]; # Needed with GCC 12
   };
 
   ## a kernel build dir as expected by systemtap

pkgs/development/tools/wlcs/default.nix

···
     wayland
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+  ];
+
   passthru.updateScript = gitUpdater {
     rev-prefix = "v";
   };

pkgs/games/cataclysm-dda/stable.nix

···
       "VERSION=${version}"
     ];
 
+    NIX_CFLAGS_COMPILE = [
+      # Needed with GCC 12
+      "-Wno-error=array-bounds"
+    ];
+
     meta = common.meta // {
       maintainers = with lib.maintainers;
         common.meta.maintainers ++ [ skeidel ];

pkgs/games/cdogs-sdl/default.nix

···
     "-DCMAKE_C_FLAGS=-Wno-error=array-bounds"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=stringop-overflow"
+  ];
+
   nativeBuildInputs = [
     pkg-config
     cmake

pkgs/games/gimx/default.nix

···
   '';
 
   makeFlags = [ "build-core" ];
+
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=address"
+    "-Wno-error=deprecated-declarations"
+    "-Wno-error=use-after-free"
+  ];
+
   installPhase = ''
     runHook preInstall
 

pkgs/games/liquidwar/default.nix

···
 
   hardeningDisable = [ "format" ];
 
-  NIX_CFLAGS_COMPILE =
-    "-Wno-error=deprecated-declarations" +
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=deprecated-declarations"
+    # Needed with GCC 12
+    "-Wno-error=address"
+    "-Wno-error=use-after-free"
     # Avoid GL_GLEXT_VERSION double definition
     " -DNO_SDL_GLEXT"
-  ;
+  ];
 
   # To avoid problems finding SDL_types.h.
   configureFlags = [ "CFLAGS=-I${lib.getDev SDL}/include/SDL" ];

pkgs/games/openrct2/default.nix

···
     "-DDOWNLOAD_TITLE_SEQUENCES=OFF"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+  ];
+
   postUnpack = ''
     cp -r ${objects-src}         $sourceRoot/data/object
     cp -r ${title-sequences-src} $sourceRoot/data/sequence

pkgs/os-specific/linux/anbox/default.nix

···
     systemd
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=mismatched-new-delete"
+  ];
+
   patchPhase = ''
     patchShebangs scripts
 

pkgs/os-specific/linux/kernel/hardened/config.nix

···
   # Gather additional entropy at boot time for systems that may not have appropriate entropy sources.
   GCC_PLUGIN_LATENT_ENTROPY = yes;
 
-  GCC_PLUGIN_STRUCTLEAK = yes; # A port of the PaX structleak plugin
-  GCC_PLUGIN_STRUCTLEAK_BYREF_ALL = yes; # Also cover structs passed by address
+  GCC_PLUGIN_STRUCTLEAK = option yes; # A port of the PaX structleak plugin
+  GCC_PLUGIN_STRUCTLEAK_BYREF_ALL = option yes; # Also cover structs passed by address
   GCC_PLUGIN_STACKLEAK = whenAtLeast "4.20" yes; # A port of the PaX stackleak plugin
   GCC_PLUGIN_RANDSTRUCT = whenOlder "5.19" yes; # A port of the PaX randstruct plugin
   GCC_PLUGIN_RANDSTRUCT_PERFORMANCE = whenOlder "5.19" yes;

pkgs/os-specific/linux/odp-dpdk/default.nix

···
     autoreconfHook
     pkg-config
   ];
+
   buildInputs = [
     dpdk_19_11
     libconfig
···
     libelf
     jansson
     libbpf
+  ];
+
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+    "-Wno-error=uninitialized"
   ];
 
   # binaries will segfault otherwise

pkgs/os-specific/linux/pktgen/default.nix

···
   RTE_SDK = dpdk;
   GUI = lib.optionalString withGtk "true";
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=address"
+    "-Wno-error=use-after-free"
+  ];
+
   # requires symbols from this file
   NIX_LDFLAGS = "-lrte_net_bond";
 

pkgs/servers/foundationdb/cmake.nix

···
             (lib.optionalString (!useClang) "-DUSE_LD=GOLD")
           ];
 
+        NIX_CFLAGS_COMPILE = [
+          # Needed with GCC 12
+          "-Wno-error=missing-template-keyword"
+        ];
+
         inherit patches;
 
         # fix up the use of the very weird and custom 'fdb_install' command by just

pkgs/servers/osrm-backend/default.nix

···
 
   buildInputs = [ bzip2 libxml2 libzip boost lua luabind tbb expat ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=stringop-overflow"
+    "-Wno-error=uninitialized"
+  ];
+
   postInstall = "mkdir -p $out/share/osrm-backend && cp -r ../profiles $out/share/osrm-backend/profiles";
 
   meta = {

pkgs/servers/tvheadend/default.nix

···
   NIX_CFLAGS_COMPILE = [
     "-Wno-error=format-truncation"
     "-Wno-error=stringop-truncation"
+    # Needed with GCC 12
+    "-Wno-error=use-after-free"
   ];
 
   configureFlags = [

pkgs/servers/x11/xorg/overrides.nix

···
           "--disable-tls"
         ];
 
+        NIX_CFLAGS_COMPILE = [
+          # Needed with GCC 12
+          "-Wno-error=array-bounds"
+        ];
+
         postInstall = ''
           rm -fr $out/share/X11/xkb/compiled # otherwise X will try to write in it
           ( # assert() keeps runtime reference xorgserver-dev in xf86-video-intel and others

pkgs/tools/admin/tigervnc/default.nix

···
     sha256 = "sha256-77X+AvHFWfYYIio3c+EYf11jg/1IbYhNUweRIDHMOZw=";
   };
 
-
   patches = [
     (fetchpatch {
       url = "https://patch-diff.githubusercontent.com/raw/TigerVNC/tigervnc/pull/1383.patch";
···
     "-DCMAKE_INSTALL_PREFIX=${placeholder "out"}"
     "-DCMAKE_INSTALL_SBINDIR=${placeholder "out"}/bin"
     "-DCMAKE_INSTALL_LIBEXECDIR=${placeholder "out"}/bin"
+  ];
+
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=array-bounds"
   ];
 
   postBuild = lib.optionalString stdenv.isLinux ''

pkgs/tools/audio/mpris-scrobbler/default.nix

···
     "-Dversion=${version}"
   ];
 
-  NIX_CFLAGS_COMPILE = toString (lib.optionals stdenv.isDarwin [
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=address"
+  ] ++ lib.optionals stdenv.isDarwin [
     "-Wno-sometimes-uninitialized"
     "-Wno-tautological-pointer-compare"
   ] ++ lib.optionals stdenv.isLinux [
     "-Wno-array-bounds"
     "-Wno-free-nonheap-object"
     "-Wno-stringop-truncation"
-  ]);
+  ];
 
   passthru = {
     updateScript = nix-update-script { };

pkgs/tools/filesystems/blobfuse/default.nix

···
   pname = "blobfuse";
   inherit version src;
 
-  NIX_CFLAGS_COMPILE = "-Wno-error=catch-value";
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=deprecated-declarations"
+    "-Wno-error=catch-value"
+  ];
 
   buildInputs = [ curl gnutls libgcrypt libuuid fuse boost cpplite ];
   nativeBuildInputs = [ cmake pkg-config ];

pkgs/tools/filesystems/idsk/default.nix

···
 
   nativeBuildInputs = [ cmake ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-std=c++14"
+  ];
+
   installPhase = ''
     mkdir -p $out/bin
     cp iDSK $out/bin

pkgs/tools/misc/lockfile-progs/default.nix

···
 
   buildInputs = [ liblockfile ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=format-overflow"
+  ];
+
   installPhase = ''
     runHook preInstall
     mkdir -p $out/bin $out/man/man1

pkgs/tools/misc/wimboot/default.nix

···
   buildInputs = [ libbfd zlib libiberty ];
   makeFlags = [ "wimboot.x86_64.efi" ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-bounds"
+  ];
+
   installPhase = ''
     mkdir -p $out/share/wimboot/
     cp wimboot.x86_64.efi $out/share/wimboot

pkgs/tools/networking/tgt/default.nix

···
     "SD_NOTIFY=1"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+  ];
+
   installFlags = [
     "sysconfdir=${placeholder "out"}/etc"
   ];

pkgs/tools/networking/uqmi/default.nix

···
   nativeBuildInputs = [ cmake perl ];
   buildInputs = [ libubox json_c ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=dangling-pointer"
+  ];
+
   meta = with lib; {
     description = "Tiny QMI command line utility";
     homepage = "https://git.openwrt.org/?p=project/uqmi.git;a=summary";

pkgs/tools/security/aflplusplus/default.nix

···
         --replace '"clang++"' '"clang++-UNSUPPORTED"'
     '';
 
+    NIX_CFLAGS_COMPILE = [
+      # Needed with GCC 12
+      "-Wno-error=use-after-free"
+    ];
+
     makeFlags = [ "PREFIX=$(out)" ];
     buildPhase = ''
       common="$makeFlags -j$NIX_BUILD_CORES"

pkgs/tools/security/chipsec/default.nix

···
     mkdir -p $CHIPSEC_BUILD_LIB/chipsec/helper/linux
   '';
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=dangling-pointer"
+  ];
+
   preInstall = lib.optionalString withDriver ''
     mkdir -p $out/${python3.pkgs.python.sitePackages}/drivers/linux
     mv $CHIPSEC_BUILD_LIB/chipsec/helper/linux/chipsec.ko \

pkgs/tools/system/acpica-tools/default.nix

···
     "iasl"
   ];
 
-  NIX_CFLAGS_COMPILE = "-O3";
+  NIX_CFLAGS_COMPILE = [
+    "-O3"
+    # Needed with GCC 12
+    "-Wno-dangling-pointer"
+  ];
 
   enableParallelBuilding = true;
 

pkgs/tools/text/qgrep/default.nix

···
 
   buildInputs = lib.optionals stdenv.isDarwin [ CoreServices CoreFoundation ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=mismatched-new-delete"
+  ];
+
   postPatch = lib.optionalString stdenv.isAarch64 ''
     substituteInPlace Makefile \
       --replace "-msse2" "" --replace "-DUSE_SSE2" ""

pkgs/top-level/all-packages.nix

···
       num =
         if (with stdenv.targetPlatform; isVc4 || libc == "relibc") then 6
         else if (stdenv.targetPlatform.isAarch64 && stdenv.isLinux) then 9
-        else 11;
+        else 12;
       numS = toString num;
     in {
       gcc = pkgs.${"gcc${numS}"};
···
 
   vte = callPackage ../development/libraries/vte {
     # Needs GCC ≥10 but aarch64 defaults to GCC 9.
-    stdenv = clangStdenv;
+    stdenv =
+      if stdenv.isLinux && stdenv.isAarch64 && stdenv.cc.isGNU
+      then clangStdenv
+      else stdenv;
   };
 
   vte-gtk4 = vte.override {