treewide: add gcc12 flags

55 files changed, 289 insertions, 15 deletions

diff --git a/pkgs/applications/audio/aether-lv2/default.nix b/pkgs/applications/audio/aether-lv2/default.nix
index e912c7fa49a..179c656968c 100644
--- a/pkgs/applications/audio/aether-lv2/default.nix
+++ b/pkgs/applications/audio/aether-lv2/default.nix
@@ -18,6 +18,12 @@ stdenv.mkDerivation rec {
     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
diff --git a/pkgs/applications/audio/furnace/default.nix b/pkgs/applications/audio/furnace/default.nix
index 0f15775b38d..f3f7c3f624b 100644
--- a/pkgs/applications/audio/furnace/default.nix
+++ b/pkgs/applications/audio/furnace/default.nix
@@ -63,6 +63,12 @@ stdenv.mkDerivation rec {
     "-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
diff --git a/pkgs/applications/audio/mimic/default.nix b/pkgs/applications/audio/mimic/default.nix
index 7e11c0a8d75..47e043f5d46 100644
--- a/pkgs/applications/audio/mimic/default.nix
+++ b/pkgs/applications/audio/mimic/default.nix
@@ -38,6 +38,11 @@ stdenv.mkDerivation rec {
     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"
diff --git a/pkgs/applications/emulators/mame/default.nix b/pkgs/applications/emulators/mame/default.nix
index 084bf074542..aedf42ee126 100644
--- a/pkgs/applications/emulators/mame/default.nix
+++ b/pkgs/applications/emulators/mame/default.nix
@@ -117,6 +117,10 @@ stdenv.mkDerivation rec {
       --subst-var-by mamePath "$out/opt/mame"
   '';
 
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=use-after-free"
+  ];
+
   desktopItems = [
     (makeDesktopItem {
       name = "MAME";
diff --git a/pkgs/applications/graphics/foxotron/default.nix b/pkgs/applications/graphics/foxotron/default.nix
index e8fd0364808..ca2aa96bea1 100644
--- a/pkgs/applications/graphics/foxotron/default.nix
+++ b/pkgs/applications/graphics/foxotron/default.nix
@@ -46,6 +46,11 @@ stdenv.mkDerivation rec {
     ++ 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
 
diff --git a/pkgs/applications/graphics/goxel/default.nix b/pkgs/applications/graphics/goxel/default.nix
index 325d1bcf083..8f70d9273b7 100644
--- a/pkgs/applications/graphics/goxel/default.nix
+++ b/pkgs/applications/graphics/goxel/default.nix
@@ -16,6 +16,12 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ scons pkg-config wrapGAppsHook ];
   buildInputs = [ glfw3 gtk3 libpng12 ];
+
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=format-truncation"
+  ];
+
   NIX_LDFLAGS = "-lpthread";
 
   buildPhase = ''
diff --git a/pkgs/applications/science/biology/octopus/default.nix b/pkgs/applications/science/biology/octopus/default.nix
index 659b1e97f20..b7c8c138cb8 100644
--- a/pkgs/applications/science/biology/octopus/default.nix
+++ b/pkgs/applications/science/biology/octopus/default.nix
@@ -19,6 +19,11 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-VaUr63v7mzhh4VBghH7a7qrqOYwl6vucmmKzTi9yAjY=";
   }) ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=deprecated-declarations"
+  ];
+
   postInstall = ''
     mkdir $out/bin
     mv $out/octopus $out/bin
diff --git a/pkgs/applications/science/logic/cbmc/default.nix b/pkgs/applications/science/logic/cbmc/default.nix
index 4009761e8dc..7f15a5f8809 100644
--- a/pkgs/applications/science/logic/cbmc/default.nix
+++ b/pkgs/applications/science/logic/cbmc/default.nix
@@ -60,9 +60,13 @@ stdenv.mkDerivation rec {
       --prefix PATH : "$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" ];
diff --git a/pkgs/applications/science/math/mxnet/default.nix b/pkgs/applications/science/math/mxnet/default.nix
index dcba888ce2f..021593124a3 100644
--- a/pkgs/applications/science/math/mxnet/default.nix
+++ b/pkgs/applications/science/math/mxnet/default.nix
@@ -54,6 +54,12 @@ stdenv.mkDerivation rec {
     ] 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"
diff --git a/pkgs/applications/version-management/fnc/default.nix b/pkgs/applications/version-management/fnc/default.nix
index a60aa27a843..7fd1b34d456 100644
--- a/pkgs/applications/version-management/fnc/default.nix
+++ b/pkgs/applications/version-management/fnc/default.nix
@@ -13,6 +13,11 @@ stdenv.mkDerivation rec {
 
   makeFlags = [ "PREFIX=$(out)" ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+  ];
+
   preInstall = ''
     mkdir -p $out/bin
   '';
diff --git a/pkgs/development/compilers/mit-scheme/default.nix b/pkgs/development/compilers/mit-scheme/default.nix
index 5a96242da7b..da668b51e27 100644
--- a/pkgs/development/compilers/mit-scheme/default.nix
+++ b/pkgs/development/compilers/mit-scheme/default.nix
@@ -49,6 +49,12 @@ stdenv.mkDerivation {
     runHook postConfigure
   '';
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-parameter"
+    "-Wno-error=use-after-free"
+  ];
+
   buildPhase = ''
     runHook preBuild
     cd src
diff --git a/pkgs/development/compilers/urweb/default.nix b/pkgs/development/compilers/urweb/default.nix
index 67ebaa04699..a881b2f1bad 100644
--- a/pkgs/development/compilers/urweb/default.nix
+++ b/pkgs/development/compilers/urweb/default.nix
@@ -33,6 +33,11 @@ stdenv.mkDerivation rec {
                    -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;
 
diff --git a/pkgs/development/interpreters/gnu-apl/default.nix b/pkgs/development/interpreters/gnu-apl/default.nix
index 3bcada9aa8f..e413914aa39 100644
--- a/pkgs/development/interpreters/gnu-apl/default.nix
+++ b/pkgs/development/interpreters/gnu-apl/default.nix
@@ -21,6 +21,10 @@ stdenv.mkDerivation rec {
     "-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 ''
diff --git a/pkgs/development/libraries/assimp/default.nix b/pkgs/development/libraries/assimp/default.nix
index 81d9e54de43..ed0476fea64 100644
--- a/pkgs/development/libraries/assimp/default.nix
+++ b/pkgs/development/libraries/assimp/default.nix
@@ -23,6 +23,11 @@ stdenv.mkDerivation rec {
 
   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/";
diff --git a/pkgs/development/libraries/belle-sip/default.nix b/pkgs/development/libraries/belle-sip/default.nix
index 8a5ed8f91f3..19cb4a4640a 100644
--- a/pkgs/development/libraries/belle-sip/default.nix
+++ b/pkgs/development/libraries/belle-sip/default.nix
@@ -34,6 +34,8 @@ stdenv.mkDerivation rec {
     "-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 ];
diff --git a/pkgs/development/libraries/boringssl/default.nix b/pkgs/development/libraries/boringssl/default.nix
index 61c2a27f3d8..b5d9d33a811 100644
--- a/pkgs/development/libraries/boringssl/default.nix
+++ b/pkgs/development/libraries/boringssl/default.nix
@@ -30,6 +30,11 @@ buildGoModule {
     export GOARCH=$(go env GOHOSTARCH)
   '';
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=stringop-overflow"
+  ];
+
   buildPhase = ''
     ninjaBuildPhase
   '';
diff --git a/pkgs/development/libraries/bzrtp/default.nix b/pkgs/development/libraries/bzrtp/default.nix
index 3a6ef0e3562..7576d4706ea 100644
--- a/pkgs/development/libraries/bzrtp/default.nix
+++ b/pkgs/development/libraries/bzrtp/default.nix
@@ -25,6 +25,11 @@ stdenv.mkDerivation rec {
   # 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";
diff --git a/pkgs/development/libraries/cpp-ipfs-http-client/default.nix b/pkgs/development/libraries/cpp-ipfs-http-client/default.nix
index 44fcbe5463c..38acb5def4a 100644
--- a/pkgs/development/libraries/cpp-ipfs-http-client/default.nix
+++ b/pkgs/development/libraries/cpp-ipfs-http-client/default.nix
@@ -24,6 +24,8 @@ stdenv.mkDerivation {
 
   NIX_CFLAGS_COMPILE = [
     "-Wno-error=range-loop-construct"
+    # Needed with GCC 12
+    "-Wno-error=deprecated-declarations"
   ];
 
   meta = with lib; {
diff --git a/pkgs/development/libraries/gsmlib/default.nix b/pkgs/development/libraries/gsmlib/default.nix
index ec6646d98f5..f993eeedc33 100644
--- a/pkgs/development/libraries/gsmlib/default.nix
+++ b/pkgs/development/libraries/gsmlib/default.nix
@@ -2,13 +2,21 @@
 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";
diff --git a/pkgs/development/libraries/iqueue/default.nix b/pkgs/development/libraries/iqueue/default.nix
index 04fd7202d1d..ab873f82c57 100644
--- a/pkgs/development/libraries/iqueue/default.nix
+++ b/pkgs/development/libraries/iqueue/default.nix
@@ -12,6 +12,12 @@ stdenv.mkDerivation rec {
   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";
diff --git a/pkgs/development/libraries/libbladeRF/default.nix b/pkgs/development/libraries/libbladeRF/default.nix
index 4b2c48824fb..e5e51a447b4 100644
--- a/pkgs/development/libraries/libbladeRF/default.nix
+++ b/pkgs/development/libraries/libbladeRF/default.nix
@@ -46,6 +46,11 @@ in stdenv.mkDerivation rec {
     "-DBLADERF_GROUP=bladerf"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=array-bounds"
+  ];
+
   hardeningDisable = [ "fortify" ];
 
   meta = with lib; {
diff --git a/pkgs/development/libraries/libcli/default.nix b/pkgs/development/libraries/libcli/default.nix
index da076a590e1..6e38c1ab84f 100644
--- a/pkgs/development/libraries/libcli/default.nix
+++ b/pkgs/development/libraries/libcli/default.nix
@@ -24,6 +24,11 @@ stdenv.mkDerivation rec {
 
   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";
diff --git a/pkgs/development/libraries/libdynd/default.nix b/pkgs/development/libraries/libdynd/default.nix
index b418279e477..6018e00f944 100644
--- a/pkgs/development/libraries/libdynd/default.nix
+++ b/pkgs/development/libraries/libdynd/default.nix
@@ -15,14 +15,17 @@ stdenv.mkDerivation rec {
     "-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 ];
diff --git a/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix b/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix
index 6578a86e35b..3997ceb623f 100644
--- a/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix
+++ b/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix
@@ -19,6 +19,11 @@ stdenv.mkDerivation rec {
     "--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=.*$//' Makefile
   '';
diff --git a/pkgs/development/libraries/octomap/default.nix b/pkgs/development/libraries/octomap/default.nix
index 9b1635511ec..5a2064eb595 100644
--- a/pkgs/development/libraries/octomap/default.nix
+++ b/pkgs/development/libraries/octomap/default.nix
@@ -10,10 +10,16 @@ stdenv.mkDerivation rec {
     rev = "v${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";
     homepage = "https://octomap.github.io/";
diff --git a/pkgs/development/libraries/opendbx/default.nix b/pkgs/development/libraries/opendbx/default.nix
index 0460f012424..ce8064cdc1e 100644
--- a/pkgs/development/libraries/opendbx/default.nix
+++ b/pkgs/development/libraries/opendbx/default.nix
@@ -19,6 +19,11 @@ stdenv.mkDerivation rec {
 
   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";
diff --git a/pkgs/development/libraries/rocksdb/default.nix b/pkgs/development/libraries/rocksdb/default.nix
index 057baafdc61..7ba261e54a8 100644
--- a/pkgs/development/libraries/rocksdb/default.nix
+++ b/pkgs/development/libraries/rocksdb/default.nix
@@ -36,8 +36,16 @@ stdenv.mkDerivation rec {
     "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"
diff --git a/pkgs/development/libraries/roctracer/default.nix b/pkgs/development/libraries/roctracer/default.nix
index ee844bb417b..87cf7d0819a 100644
--- a/pkgs/development/libraries/roctracer/default.nix
+++ b/pkgs/development/libraries/roctracer/default.nix
@@ -62,6 +62,11 @@ stdenv.mkDerivation (finalAttrs: {
     "-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) ''
diff --git a/pkgs/development/libraries/swiftshader/default.nix b/pkgs/development/libraries/swiftshader/default.nix
index 2c508a3735f..28aabc03682 100644
--- a/pkgs/development/libraries/swiftshader/default.nix
+++ b/pkgs/development/libraries/swiftshader/default.nix
@@ -13,6 +13,12 @@ stdenv.mkDerivation rec {
   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 = ''
diff --git a/pkgs/development/libraries/uri/default.nix b/pkgs/development/libraries/uri/default.nix
index 980d073f128..6189fcf016d 100644
--- a/pkgs/development/libraries/uri/default.nix
+++ b/pkgs/development/libraries/uri/default.nix
@@ -11,7 +11,12 @@ stdenv.mkDerivation rec {
     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 ];
 
diff --git a/pkgs/development/tools/wlcs/default.nix b/pkgs/development/tools/wlcs/default.nix
index f2075f683b1..558a05730c6 100644
--- a/pkgs/development/tools/wlcs/default.nix
+++ b/pkgs/development/tools/wlcs/default.nix
@@ -47,6 +47,11 @@ stdenv.mkDerivation rec {
     wayland
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+  ];
+
   passthru.updateScript = gitUpdater {
     rev-prefix = "v";
   };
diff --git a/pkgs/games/cataclysm-dda/stable.nix b/pkgs/games/cataclysm-dda/stable.nix
index 3bf2f884ab3..da84422308c 100644
--- a/pkgs/games/cataclysm-dda/stable.nix
+++ b/pkgs/games/cataclysm-dda/stable.nix
@@ -44,6 +44,11 @@ let
       "VERSION=${version}"
     ];
 
+    NIX_CFLAGS_COMPILE = [
+      # Needed with GCC 12
+      "-Wno-error=array-bounds"
+    ];
+
     meta = common.meta // {
       maintainers = with lib.maintainers;
         common.meta.maintainers ++ [ skeidel ];
diff --git a/pkgs/games/cdogs-sdl/default.nix b/pkgs/games/cdogs-sdl/default.nix
index 23eb6e96dcb..a4943187dd6 100644
--- a/pkgs/games/cdogs-sdl/default.nix
+++ b/pkgs/games/cdogs-sdl/default.nix
@@ -31,6 +31,11 @@ stdenv.mkDerivation rec {
     "-DCMAKE_C_FLAGS=-Wno-error=array-bounds"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=stringop-overflow"
+  ];
+
   nativeBuildInputs = [
     pkg-config
     cmake
diff --git a/pkgs/games/gimx/default.nix b/pkgs/games/gimx/default.nix
index 785d38a759a..410228c4f02 100644
--- a/pkgs/games/gimx/default.nix
+++ b/pkgs/games/gimx/default.nix
@@ -38,6 +38,14 @@ in stdenv.mkDerivation rec {
   '';
 
   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
 
diff --git a/pkgs/games/liquidwar/default.nix b/pkgs/games/liquidwar/default.nix
index e012886c884..a3532fa6e19 100644
--- a/pkgs/games/liquidwar/default.nix
+++ b/pkgs/games/liquidwar/default.nix
@@ -30,11 +30,14 @@ stdenv.mkDerivation rec {
 
   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" ];
diff --git a/pkgs/games/openrct2/default.nix b/pkgs/games/openrct2/default.nix
index d474b0eae92..10914d41077 100644
--- a/pkgs/games/openrct2/default.nix
+++ b/pkgs/games/openrct2/default.nix
@@ -94,6 +94,11 @@ stdenv.mkDerivation {
     "-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
diff --git a/pkgs/os-specific/linux/anbox/default.nix b/pkgs/os-specific/linux/anbox/default.nix
index 2a98aa82ebb..9d3afc9ad21 100644
--- a/pkgs/os-specific/linux/anbox/default.nix
+++ b/pkgs/os-specific/linux/anbox/default.nix
@@ -85,6 +85,11 @@ stdenv.mkDerivation rec {
     systemd
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=mismatched-new-delete"
+  ];
+
   patchPhase = ''
     patchShebangs scripts
 
diff --git a/pkgs/os-specific/linux/odp-dpdk/default.nix b/pkgs/os-specific/linux/odp-dpdk/default.nix
index 3aeef462556..7cb364597bb 100644
--- a/pkgs/os-specific/linux/odp-dpdk/default.nix
+++ b/pkgs/os-specific/linux/odp-dpdk/default.nix
@@ -25,6 +25,7 @@ in stdenv.mkDerivation rec {
     autoreconfHook
     pkg-config
   ];
+
   buildInputs = [
     dpdk_19_11
     libconfig
@@ -38,6 +39,12 @@ in stdenv.mkDerivation rec {
     libbpf
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+    "-Wno-error=uninitialized"
+  ];
+
   # binaries will segfault otherwise
   dontStrip = true;
 
diff --git a/pkgs/os-specific/linux/pktgen/default.nix b/pkgs/os-specific/linux/pktgen/default.nix
index 20db1cdd74f..60a55096b44 100644
--- a/pkgs/os-specific/linux/pktgen/default.nix
+++ b/pkgs/os-specific/linux/pktgen/default.nix
@@ -46,6 +46,12 @@ stdenv.mkDerivation rec {
   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";
 
diff --git a/pkgs/servers/foundationdb/cmake.nix b/pkgs/servers/foundationdb/cmake.nix
index 9d65198c8ce..436f0a7fc4d 100644
--- a/pkgs/servers/foundationdb/cmake.nix
+++ b/pkgs/servers/foundationdb/cmake.nix
@@ -60,6 +60,11 @@ let
             (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
diff --git a/pkgs/servers/osrm-backend/default.nix b/pkgs/servers/osrm-backend/default.nix
index ed163f2547d..cddda5d399f 100644
--- a/pkgs/servers/osrm-backend/default.nix
+++ b/pkgs/servers/osrm-backend/default.nix
@@ -15,6 +15,12 @@ stdenv.mkDerivation rec {
 
   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 = {
diff --git a/pkgs/servers/tvheadend/default.nix b/pkgs/servers/tvheadend/default.nix
index 833d31de401..e9db31f792f 100644
--- a/pkgs/servers/tvheadend/default.nix
+++ b/pkgs/servers/tvheadend/default.nix
@@ -78,6 +78,8 @@ in stdenv.mkDerivation {
   NIX_CFLAGS_COMPILE = [
     "-Wno-error=format-truncation"
     "-Wno-error=stringop-truncation"
+    # Needed with GCC 12
+    "-Wno-error=use-after-free"
   ];
 
   configureFlags = [
diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index 6de759498b2..e4a34ec7377 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -878,6 +878,11 @@ self: super:
           "--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
diff --git a/pkgs/tools/admin/tigervnc/default.nix b/pkgs/tools/admin/tigervnc/default.nix
index e4933986176..2c282514d33 100644
--- a/pkgs/tools/admin/tigervnc/default.nix
+++ b/pkgs/tools/admin/tigervnc/default.nix
@@ -34,7 +34,6 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-77X+AvHFWfYYIio3c+EYf11jg/1IbYhNUweRIDHMOZw=";
   };
 
-
   patches = [
     (fetchpatch {
       url = "https://patch-diff.githubusercontent.com/raw/TigerVNC/tigervnc/pull/1383.patch";
@@ -65,6 +64,10 @@ stdenv.mkDerivation rec {
     "-DCMAKE_INSTALL_LIBEXECDIR=${placeholder "out"}/bin"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=array-bounds"
+  ];
+
   postBuild = lib.optionalString stdenv.isLinux ''
     export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -Wno-error=int-to-pointer-cast -Wno-error=pointer-to-int-cast"
     export CXXFLAGS="$CXXFLAGS -fpermissive"
diff --git a/pkgs/tools/audio/mpris-scrobbler/default.nix b/pkgs/tools/audio/mpris-scrobbler/default.nix
index 35685fd5fb2..0c051047c0f 100644
--- a/pkgs/tools/audio/mpris-scrobbler/default.nix
+++ b/pkgs/tools/audio/mpris-scrobbler/default.nix
@@ -53,14 +53,17 @@ stdenv.mkDerivation rec {
     "-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 { };
diff --git a/pkgs/tools/filesystems/blobfuse/default.nix b/pkgs/tools/filesystems/blobfuse/default.nix
index a620a07d475..b9bed9cc20c 100644
--- a/pkgs/tools/filesystems/blobfuse/default.nix
+++ b/pkgs/tools/filesystems/blobfuse/default.nix
@@ -24,7 +24,11 @@ in stdenv.mkDerivation rec {
   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 ];
diff --git a/pkgs/tools/filesystems/idsk/default.nix b/pkgs/tools/filesystems/idsk/default.nix
index 39052ecba93..d3c82479d10 100644
--- a/pkgs/tools/filesystems/idsk/default.nix
+++ b/pkgs/tools/filesystems/idsk/default.nix
@@ -14,6 +14,11 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-std=c++14"
+  ];
+
   installPhase = ''
     mkdir -p $out/bin
     cp iDSK $out/bin
diff --git a/pkgs/tools/misc/lockfile-progs/default.nix b/pkgs/tools/misc/lockfile-progs/default.nix
index e245a05182d..8fdee47befb 100644
--- a/pkgs/tools/misc/lockfile-progs/default.nix
+++ b/pkgs/tools/misc/lockfile-progs/default.nix
@@ -11,6 +11,11 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ liblockfile ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=format-overflow"
+  ];
+
   installPhase = ''
     runHook preInstall
     mkdir -p $out/bin $out/man/man1
diff --git a/pkgs/tools/misc/wimboot/default.nix b/pkgs/tools/misc/wimboot/default.nix
index bc43d77bbfb..6a039698369 100644
--- a/pkgs/tools/misc/wimboot/default.nix
+++ b/pkgs/tools/misc/wimboot/default.nix
@@ -16,6 +16,11 @@ stdenv.mkDerivation rec {
   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
diff --git a/pkgs/tools/networking/tgt/default.nix b/pkgs/tools/networking/tgt/default.nix
index dedafc52f97..5fade3f201b 100644
--- a/pkgs/tools/networking/tgt/default.nix
+++ b/pkgs/tools/networking/tgt/default.nix
@@ -22,6 +22,11 @@ stdenv.mkDerivation rec {
     "SD_NOTIFY=1"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    # Needed with GCC 12
+    "-Wno-error=maybe-uninitialized"
+  ];
+
   installFlags = [
     "sysconfdir=${placeholder "out"}/etc"
   ];
diff --git a/pkgs/tools/networking/uqmi/default.nix b/pkgs/tools/networking/uqmi/default.nix
index 17a55d86b9a..93be3b78cee 100644
--- a/pkgs/tools/networking/uqmi/default.nix
+++ b/pkgs/tools/networking/uqmi/default.nix
@@ -18,6 +18,11 @@ stdenv.mkDerivation {
   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";
diff --git a/pkgs/tools/security/aflplusplus/default.nix b/pkgs/tools/security/aflplusplus/default.nix
index c25db9e2d39..7817329f06d 100644
--- a/pkgs/tools/security/aflplusplus/default.nix
+++ b/pkgs/tools/security/aflplusplus/default.nix
@@ -51,6 +51,11 @@ let
         --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"
diff --git a/pkgs/tools/security/chipsec/default.nix b/pkgs/tools/security/chipsec/default.nix
index edb10f384bd..b897fe61871 100644
--- a/pkgs/tools/security/chipsec/default.nix
+++ b/pkgs/tools/security/chipsec/default.nix
@@ -40,6 +40,11 @@ python3.pkgs.buildPythonApplication rec {
     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 \
diff --git a/pkgs/tools/system/acpica-tools/default.nix b/pkgs/tools/system/acpica-tools/default.nix
index 88f39e8a63e..98ac2254fb6 100644
--- a/pkgs/tools/system/acpica-tools/default.nix
+++ b/pkgs/tools/system/acpica-tools/default.nix
@@ -29,7 +29,11 @@ stdenv.mkDerivation rec {
     "iasl"
   ];
 
-  NIX_CFLAGS_COMPILE = "-O3";
+  NIX_CFLAGS_COMPILE = [
+    "-O3"
+    # Needed with GCC 12
+    "-Wno-dangling-pointer"
+  ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/tools/text/qgrep/default.nix b/pkgs/tools/text/qgrep/default.nix
index 032e9474128..20c85e76e16 100644
--- a/pkgs/tools/text/qgrep/default.nix
+++ b/pkgs/tools/text/qgrep/default.nix
@@ -21,6 +21,11 @@ stdenv.mkDerivation rec {
 
   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" ""