treewide: use toString on list NIX_CFLAGS_COMPILE

with structuredAttrs lists will be bash arrays which cannot be exported
which will be a issue with some patches and some wrappers like cc-wrapper

48 files changed, 48 insertions, 48 deletions

diff --git a/pkgs/applications/audio/aether-lv2/default.nix b/pkgs/applications/audio/aether-lv2/default.nix
index 179c656968ce..2d8a6e5003a1 100644
--- a/pkgs/applications/audio/aether-lv2/default.nix
+++ b/pkgs/applications/audio/aether-lv2/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     lv2 libX11 libGL libGLU mesa
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=array-bounds"
     "-Wno-error=stringop-overflow"
diff --git a/pkgs/applications/audio/giada/default.nix b/pkgs/applications/audio/giada/default.nix
index 15eccc46943f..7ab91f28533f 100644
--- a/pkgs/applications/audio/giada/default.nix
+++ b/pkgs/applications/audio/giada/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-w"
     "-Wno-error"
   ];
diff --git a/pkgs/applications/audio/guitarix/default.nix b/pkgs/applications/audio/guitarix/default.nix
index 870f4b216f51..6742e14174f2 100644
--- a/pkgs/applications/audio/guitarix/default.nix
+++ b/pkgs/applications/audio/guitarix/default.nix
@@ -97,7 +97,7 @@ stdenv.mkDerivation rec {
     "--install-roboto-font"
   ] ++ optional optimizationSupport "--optimization";
 
-  NIX_CFLAGS_COMPILE = [ "-fpermissive" ];
+  NIX_CFLAGS_COMPILE = toString [ "-fpermissive" ];
 
   meta = with lib; {
     description = "A virtual guitar amplifier for Linux running with JACK";
diff --git a/pkgs/applications/audio/littlegptracker/default.nix b/pkgs/applications/audio/littlegptracker/default.nix
index abeaa7dff427..5d8d57dff6ef 100644
--- a/pkgs/applications/audio/littlegptracker/default.nix
+++ b/pkgs/applications/audio/littlegptracker/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     ++ lib.optionals stdenv.isLinux  [ "PLATFORM=DEB" ]
     ++ lib.optionals stdenv.isDarwin [ "PLATFORM=OSX" ];
 
-  NIX_CFLAGS_COMPILE = [ "-fpermissive" ] ++
+  NIX_CFLAGS_COMPILE = toString [ "-fpermissive" ] ++
     lib.optional stdenv.hostPlatform.isAarch64 "-Wno-error=narrowing";
 
   NIX_LDFLAGS = lib.optional stdenv.isDarwin "-framework Foundation";
diff --git a/pkgs/applications/audio/mi2ly/default.nix b/pkgs/applications/audio/mi2ly/default.nix
index 9a046a2e11aa..dd9919ebc517 100644
--- a/pkgs/applications/audio/mi2ly/default.nix
+++ b/pkgs/applications/audio/mi2ly/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
-  NIX_CFLAGS_COMPILE = [ "-fgnu89-inline" ];
+  NIX_CFLAGS_COMPILE = toString [ "-fgnu89-inline" ];
 
   buildPhase = "./cc";
   installPhase = ''
diff --git a/pkgs/applications/audio/mimic/default.nix b/pkgs/applications/audio/mimic/default.nix
index 47e043f5d467..dfdeecd8541b 100644
--- a/pkgs/applications/audio/mimic/default.nix
+++ b/pkgs/applications/audio/mimic/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     pcre2
   ] ++ lib.optional pulseaudioSupport libpulseaudio;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=free-nonheap-object"
   ];
diff --git a/pkgs/applications/audio/muse/default.nix b/pkgs/applications/audio/muse/default.nix
index 065c943764ea..c1ccd532813e 100644
--- a/pkgs/applications/audio/muse/default.nix
+++ b/pkgs/applications/audio/muse/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     libsamplerate libsndfile lilv lrdf lv2 qtsvg rtaudio rubberband sord
   ];
 
-  NIX_CFLAGS_COMPILE = [ "-I${lib.getDev serd}/include/serd-0" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${lib.getDev serd}/include/serd-0" ];
 
   meta = with lib; {
     homepage = "https://muse-sequencer.github.io/";
diff --git a/pkgs/applications/audio/oxefmsynth/default.nix b/pkgs/applications/audio/oxefmsynth/default.nix
index 59ed1ce21f5f..c867db1d8cf6 100644
--- a/pkgs/applications/audio/oxefmsynth/default.nix
+++ b/pkgs/applications/audio/oxefmsynth/default.nix
@@ -22,7 +22,7 @@ in stdenv.mkDerivation rec {
     sha256 = "1rk71ls33a38wx8i22plsi7d89cqqxrfxknq5i4f9igsw1ipm4gn";
   };
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-narrowing" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-narrowing" ];
 
   buildFlags = [ "VSTSDK_PATH=${vst-sdk}/VST2_SDK" ];
 
diff --git a/pkgs/applications/audio/picoloop/default.nix b/pkgs/applications/audio/picoloop/default.nix
index bd956963a468..171a09011925 100644
--- a/pkgs/applications/audio/picoloop/default.nix
+++ b/pkgs/applications/audio/picoloop/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   makeFlags = [ "-f Makefile.PatternPlayer_debian_RtAudio_sdl20" ];
 
-  NIX_CFLAGS_COMPILE = [ "-I${SDL2.dev}/include/SDL2" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${SDL2.dev}/include/SDL2" ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/applications/editors/hexcurse/default.nix b/pkgs/applications/editors/hexcurse/default.nix
index 9adce387f407..0e6e15e6d6ec 100644
--- a/pkgs/applications/editors/hexcurse/default.nix
+++ b/pkgs/applications/editors/hexcurse/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "17ckkxfzbqvvfdnh10if4aqdcq98q3vl6dn1v6f4lhr4ifnyjdlk";
   };
   buildInputs = [ ncurses ];
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=stringop-overflow" "-Wno-error=stringop-truncation" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=stringop-overflow" "-Wno-error=stringop-truncation" ];
   patches = [
     # gcc7 compat
     (fetchpatch {
diff --git a/pkgs/applications/editors/ht/default.nix b/pkgs/applications/editors/ht/default.nix
index 0460065fe875..f470542961e5 100644
--- a/pkgs/applications/editors/ht/default.nix
+++ b/pkgs/applications/editors/ht/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./gcc7.patch ];
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-narrowing" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-narrowing" ];
 
   meta = with lib; {
     description = "File editor/viewer/analyzer for executables";
diff --git a/pkgs/applications/emulators/dosbox-staging/default.nix b/pkgs/applications/emulators/dosbox-staging/default.nix
index f26fb7c9d76c..2fd5e873036e 100644
--- a/pkgs/applications/emulators/dosbox-staging/default.nix
+++ b/pkgs/applications/emulators/dosbox-staging/default.nix
@@ -69,7 +69,7 @@ stdenv.mkDerivation rec {
     speexdsp
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-I${SDL2_image}/include/SDL2"
     "-I${SDL2_net}/include/SDL2"
   ];
diff --git a/pkgs/applications/emulators/mame/default.nix b/pkgs/applications/emulators/mame/default.nix
index aedf42ee126b..84aab8b03303 100644
--- a/pkgs/applications/emulators/mame/default.nix
+++ b/pkgs/applications/emulators/mame/default.nix
@@ -117,7 +117,7 @@ stdenv.mkDerivation rec {
       --subst-var-by mamePath "$out/opt/mame"
   '';
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=use-after-free"
   ];
 
diff --git a/pkgs/applications/emulators/simh/default.nix b/pkgs/applications/emulators/simh/default.nix
index 6f3409ec0637..0b09f8aae5a7 100644
--- a/pkgs/applications/emulators/simh/default.nix
+++ b/pkgs/applications/emulators/simh/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   # Workaround to build against upstream gcc-10 and clang-11.
   # Can be removed when next release contains
   #    https://github.com/simh/simh/issues/794
-  NIX_CFLAGS_COMPILE = [ "-fcommon" ];
+  NIX_CFLAGS_COMPILE = toString [ "-fcommon" ];
 
   makeFlags = [ "GCC=${stdenv.cc.targetPrefix}cc" "CC_STD=-std=c99" "LDFLAGS=-lm" ];
 
diff --git a/pkgs/applications/emulators/tilem/default.nix b/pkgs/applications/emulators/tilem/default.nix
index bde706e23040..93d07c1198d0 100644
--- a/pkgs/applications/emulators/tilem/default.nix
+++ b/pkgs/applications/emulators/tilem/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   };
   nativeBuildInputs = [ pkg-config ];
   buildInputs = [ glib gtk2 libticonv libtifiles2 libticables2 libticalcs2 ];
-  NIX_CFLAGS_COMPILE = [ "-lm" ];
+  NIX_CFLAGS_COMPILE = toString [ "-lm" ];
   meta = with lib; {
     homepage = "http://lpg.ticalc.org/prj_tilem/";
     description = "Emulator and debugger for Texas Instruments Z80-based graphing calculators";
diff --git a/pkgs/applications/emulators/zsnes/2.x.nix b/pkgs/applications/emulators/zsnes/2.x.nix
index fdb4ad9fa139..8602e2809b66 100644
--- a/pkgs/applications/emulators/zsnes/2.x.nix
+++ b/pkgs/applications/emulators/zsnes/2.x.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   dontConfigure = true;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Until upstream fixes the issues...
     "-Wp,-D_FORTIFY_SOURCE=0"
   ];
diff --git a/pkgs/applications/graphics/foxotron/default.nix b/pkgs/applications/graphics/foxotron/default.nix
index ca2aa96bea14..9990cd328c8d 100644
--- a/pkgs/applications/graphics/foxotron/default.nix
+++ b/pkgs/applications/graphics/foxotron/default.nix
@@ -46,7 +46,7 @@ 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 = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=array-bounds"
   ];
diff --git a/pkgs/applications/graphics/goxel/default.nix b/pkgs/applications/graphics/goxel/default.nix
index 8f70d9273b7a..90203a9d47ee 100644
--- a/pkgs/applications/graphics/goxel/default.nix
+++ b/pkgs/applications/graphics/goxel/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ scons pkg-config wrapGAppsHook ];
   buildInputs = [ glfw3 gtk3 libpng12 ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=format-truncation"
   ];
diff --git a/pkgs/applications/graphics/krita/generic.nix b/pkgs/applications/graphics/krita/generic.nix
index 86d8de46f992..95245b29ae7a 100644
--- a/pkgs/applications/graphics/krita/generic.nix
+++ b/pkgs/applications/graphics/krita/generic.nix
@@ -33,7 +33,7 @@ mkDerivation rec {
     xsimd
   ];
 
-  NIX_CFLAGS_COMPILE = [ "-I${ilmbase.dev}/include/OpenEXR" ]
+  NIX_CFLAGS_COMPILE = toString [ "-I${ilmbase.dev}/include/OpenEXR" ]
     ++ lib.optional stdenv.cc.isGNU "-Wno-deprecated-copy";
 
   # Krita runs custom python scripts in CMake with custom PYTHONPATH which krita determined in their CMake script.
diff --git a/pkgs/applications/misc/klayout/default.nix b/pkgs/applications/misc/klayout/default.nix
index 4348afb0205b..34100357f5ab 100644
--- a/pkgs/applications/misc/klayout/default.nix
+++ b/pkgs/applications/misc/klayout/default.nix
@@ -45,7 +45,7 @@ mkDerivation rec {
     mv $out/lib/klayout $out/bin/
   '';
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-parentheses" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-parentheses" ];
 
   dontInstall = true; # Installation already happens as part of "build.sh"
 
diff --git a/pkgs/applications/misc/mysql-workbench/default.nix b/pkgs/applications/misc/mysql-workbench/default.nix
index e5e0f92ed1da..02d702643df7 100644
--- a/pkgs/applications/misc/mysql-workbench/default.nix
+++ b/pkgs/applications/misc/mysql-workbench/default.nix
@@ -140,7 +140,7 @@ in stdenv.mkDerivation rec {
     patchShebangs tools/get_wb_version.sh
   '';
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # error: 'OGRErr OGRSpatialReference::importFromWkt(char**)' is deprecated
     "-Wno-error=deprecated-declarations"
   ] ++ lib.optionals stdenv.isAarch64 [
diff --git a/pkgs/applications/misc/nut/default.nix b/pkgs/applications/misc/nut/default.nix
index 4a3025cec55c..453af86b600d 100644
--- a/pkgs/applications/misc/nut/default.nix
+++ b/pkgs/applications/misc/nut/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   meta = with lib; {
     description = "Network UPS Tools";
diff --git a/pkgs/applications/misc/pw-viz/default.nix b/pkgs/applications/misc/pw-viz/default.nix
index f32f60bac1ac..ce16b2ececb9 100644
--- a/pkgs/applications/misc/pw-viz/default.nix
+++ b/pkgs/applications/misc/pw-viz/default.nix
@@ -49,7 +49,7 @@ rustPlatform.buildRustPackage rec {
 
   # enables pipewire API deprecated in 0.3.64
   # fixes error caused by https://gitlab.freedesktop.org/pipewire/pipewire-rs/-/issues/55
-  NIX_CFLAGS_COMPILE = [ "-DPW_ENABLE_DEPRECATED" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DPW_ENABLE_DEPRECATED" ];
 
   meta = with lib; {
     description = "A simple and elegant pipewire graph editor ";
diff --git a/pkgs/applications/misc/tilemaker/default.nix b/pkgs/applications/misc/tilemaker/default.nix
index dd05604501e9..90d7aa487509 100644
--- a/pkgs/applications/misc/tilemaker/default.nix
+++ b/pkgs/applications/misc/tilemaker/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation (finalAttrs: {
   cmakeFlags = lib.optional (stdenv.hostPlatform != stdenv.buildPlatform)
     "-DPROTOBUF_PROTOC_EXECUTABLE=${buildPackages.protobuf}/bin/protoc";
 
-  NIX_CFLAGS_COMPILE = [ "-DTM_VERSION=${finalAttrs.version}" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DTM_VERSION=${finalAttrs.version}" ];
 
   postInstall = ''
     installManPage ../docs/man/tilemaker.1
diff --git a/pkgs/applications/networking/browsers/ladybird/default.nix b/pkgs/applications/networking/browsers/ladybird/default.nix
index 0683b5210cbc..b6fbe57897d3 100644
--- a/pkgs/applications/networking/browsers/ladybird/default.nix
+++ b/pkgs/applications/networking/browsers/ladybird/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation {
     "-DENABLE_UNICODE_DATABASE_DOWNLOAD=false"
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error"
   ] ++ lib.optionals (stdenv.isDarwin && lib.versionOlder stdenv.targetPlatform.darwinSdkVersion "11.0") [
     # error: use of undeclared identifier 'aligned_alloc'
diff --git a/pkgs/applications/networking/freefilesync/default.nix b/pkgs/applications/networking/freefilesync/default.nix
index 49bc342724e0..4ca50ab87dbd 100644
--- a/pkgs/applications/networking/freefilesync/default.nix
+++ b/pkgs/applications/networking/freefilesync/default.nix
@@ -57,7 +57,7 @@ gcc12Stdenv.mkDerivation rec {
     wxGTK32
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Undef g_object_ref on GLib 2.56+
     "-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_54"
     "-DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_54"
diff --git a/pkgs/applications/networking/ids/snort/default.nix b/pkgs/applications/networking/ids/snort/default.nix
index f83a0757b26b..6fd301002d30 100644
--- a/pkgs/applications/networking/ids/snort/default.nix
+++ b/pkgs/applications/networking/ids/snort/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ makeWrapper pkg-config ];
   buildInputs = [ luajit openssl libpcap pcre libdnet daq zlib flex bison libtirpc ];
 
-  NIX_CFLAGS_COMPILE = [ "-I${libtirpc.dev}/include/tirpc" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${libtirpc.dev}/include/tirpc" ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/networking/instant-messengers/fractal-next/default.nix b/pkgs/applications/networking/instant-messengers/fractal-next/default.nix
index 9203850b6388..cf2a139ac1bc 100644
--- a/pkgs/applications/networking/instant-messengers/fractal-next/default.nix
+++ b/pkgs/applications/networking/instant-messengers/fractal-next/default.nix
@@ -69,7 +69,7 @@ stdenv.mkDerivation rec {
 
   # enables pipewire API deprecated in 0.3.64
   # fixes error caused by https://gitlab.freedesktop.org/pipewire/pipewire-rs/-/issues/55
-  NIX_CFLAGS_COMPILE = [ "-DPW_ENABLE_DEPRECATED" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DPW_ENABLE_DEPRECATED" ];
 
   meta = with lib; {
     description = "Matrix group messaging app (development version)";
diff --git a/pkgs/applications/networking/sniffers/ettercap/default.nix b/pkgs/applications/networking/sniffers/ettercap/default.nix
index a3c79fd9560b..d711a9bd0b4f 100644
--- a/pkgs/applications/networking/sniffers/ettercap/default.nix
+++ b/pkgs/applications/networking/sniffers/ettercap/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   ];
 
   # TODO: Remove after the next release (0.8.4 should work without this):
-  NIX_CFLAGS_COMPILE = [ "-I${harfbuzz.dev}/include/harfbuzz" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${harfbuzz.dev}/include/harfbuzz" ];
 
   meta = with lib; {
     description = "Comprehensive suite for man in the middle attacks";
diff --git a/pkgs/applications/networking/sniffers/wireshark/default.nix b/pkgs/applications/networking/sniffers/wireshark/default.nix
index 1dabe93728c0..7ace1fad8c9e 100644
--- a/pkgs/applications/networking/sniffers/wireshark/default.nix
+++ b/pkgs/applications/networking/sniffers/wireshark/default.nix
@@ -34,7 +34,7 @@ in stdenv.mkDerivation {
   ];
 
   # Avoid referencing -dev paths because of debug assertions.
-  NIX_CFLAGS_COMPILE = [ "-DQT_NO_DEBUG" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DQT_NO_DEBUG" ];
 
   nativeBuildInputs = [ asciidoctor bison cmake flex makeWrapper pkg-config python3 perl ]
     ++ lib.optionals withQt [ qt5.wrapQtAppsHook wrapGAppsHook ];
diff --git a/pkgs/applications/office/libreoffice/default.nix b/pkgs/applications/office/libreoffice/default.nix
index 6590e6255770..6ca853b32c55 100644
--- a/pkgs/applications/office/libreoffice/default.nix
+++ b/pkgs/applications/office/libreoffice/default.nix
@@ -176,7 +176,7 @@ in
 
   outputs = [ "out" "dev" ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-I${librdf_rasqal}/include/rasqal" # librdf_redland refers to rasqal.h instead of rasqal/rasqal.h
     "-fno-visibility-inlines-hidden" # https://bugs.documentfoundation.org/show_bug.cgi?id=78174#c10
   ];
diff --git a/pkgs/applications/office/teapot/default.nix b/pkgs/applications/office/teapot/default.nix
index d2d44511bc63..77b8f825a653 100644
--- a/pkgs/applications/office/teapot/default.nix
+++ b/pkgs/applications/office/teapot/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
   ];
 
   # By no known reason libtirpc is not detected
-  NIX_CFLAGS_COMPILE = [ "-I${libtirpc.dev}/include/tirpc" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${libtirpc.dev}/include/tirpc" ];
   NIX_LDFLAGS = [ "-ltirpc" ];
 
   cmakeConfigureFlags = [
diff --git a/pkgs/applications/science/biology/bayescan/default.nix b/pkgs/applications/science/biology/bayescan/default.nix
index cd5bb3210364..d33b27048ac5 100644
--- a/pkgs/applications/science/biology/bayescan/default.nix
+++ b/pkgs/applications/science/biology/bayescan/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
     cp -r ../*pdf ../input_examples ../"R functions" $out/share/doc/bayescan
   '';
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   meta = with lib; {
     description = "Detecting natural selection from population-based genetic data";
diff --git a/pkgs/applications/science/biology/cmtk/default.nix b/pkgs/applications/science/biology/cmtk/default.nix
index 42ce5f934e82..b0944d1370a0 100644
--- a/pkgs/applications/science/biology/cmtk/default.nix
+++ b/pkgs/applications/science/biology/cmtk/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-std=c++11"
     (lib.optional stdenv.cc.isClang "-Wno-error=c++11-narrowing")
   ];
diff --git a/pkgs/applications/science/biology/minia/default.nix b/pkgs/applications/science/biology/minia/default.nix
index 6b6bc300e0d9..13347b2148d3 100644
--- a/pkgs/applications/science/biology/minia/default.nix
+++ b/pkgs/applications/science/biology/minia/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./no-bundle.patch ];
 
-  NIX_CFLAGS_COMPILE = [ "-Wformat" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wformat" ];
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ hdf5 boost ];
diff --git a/pkgs/applications/science/biology/niftyreg/default.nix b/pkgs/applications/science/biology/niftyreg/default.nix
index d5f625893e92..58ad9db7f4e2 100644
--- a/pkgs/applications/science/biology/niftyreg/default.nix
+++ b/pkgs/applications/science/biology/niftyreg/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "07v9v9s41lvw72wpb1jgh2nzanyc994779bd35p76vg8mzifmprl";
   };
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=narrowing" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=narrowing" ];
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ zlib ];
diff --git a/pkgs/applications/science/biology/octopus/default.nix b/pkgs/applications/science/biology/octopus/default.nix
index b7c8c138cb82..2289a3969561 100644
--- a/pkgs/applications/science/biology/octopus/default.nix
+++ b/pkgs/applications/science/biology/octopus/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-VaUr63v7mzhh4VBghH7a7qrqOYwl6vucmmKzTi9yAjY=";
   }) ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=deprecated-declarations"
   ];
diff --git a/pkgs/applications/science/biology/strelka/default.nix b/pkgs/applications/science/biology/strelka/default.nix
index 8585f3770fbc..4063669116ed 100644
--- a/pkgs/applications/science/biology/strelka/default.nix
+++ b/pkgs/applications/science/biology/strelka/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ zlib python2 ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=maybe-uninitialized"
     "-Wno-error=pessimizing-move"
   ];
diff --git a/pkgs/applications/science/logic/klee/default.nix b/pkgs/applications/science/logic/klee/default.nix
index 024e6e526c4e..bbe0b11cd403 100644
--- a/pkgs/applications/science/logic/klee/default.nix
+++ b/pkgs/applications/science/logic/klee/default.nix
@@ -96,7 +96,7 @@ in stdenv.mkDerivation rec {
   ];
 
   # Silence various warnings during the compilation of fortified bitcode.
-  NIX_CFLAGS_COMPILE = ["-Wno-macro-redefined"];
+  NIX_CFLAGS_COMPILE = toString ["-Wno-macro-redefined"];
 
   prePatch = ''
     patchShebangs .
diff --git a/pkgs/applications/science/math/calculix/default.nix b/pkgs/applications/science/math/calculix/default.nix
index 4b0ae6f8ac9d..2d2fb0a92d93 100644
--- a/pkgs/applications/science/math/calculix/default.nix
+++ b/pkgs/applications/science/math/calculix/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ arpack spooles blas lapack ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-I${spooles}/include/spooles"
     "-std=legacy"
   ];
diff --git a/pkgs/applications/science/math/mxnet/default.nix b/pkgs/applications/science/math/mxnet/default.nix
index 021593124a37..3f0c5511c201 100644
--- a/pkgs/applications/science/math/mxnet/default.nix
+++ b/pkgs/applications/science/math/mxnet/default.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
     ] else [ "-DUSE_CUDA=OFF" ])
     ++ lib.optional (!cudnnSupport) "-DUSE_CUDNN=OFF";
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=maybe-uninitialized"
     "-Wno-error=uninitialized"
diff --git a/pkgs/applications/science/math/perseus/default.nix b/pkgs/applications/science/math/perseus/default.nix
index d9921e68edb1..d0a9298cebd3 100644
--- a/pkgs/applications/science/math/perseus/default.nix
+++ b/pkgs/applications/science/math/perseus/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   };
 
   sourceRoot = ".";
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
   buildPhase = ''
     g++ Pers.cpp -O3 -fpermissive -o perseus
   '';
diff --git a/pkgs/applications/science/misc/fityk/default.nix b/pkgs/applications/science/misc/fityk/default.nix
index a4aa6457d608..0aeaf714806d 100644
--- a/pkgs/applications/science/misc/fityk/default.nix
+++ b/pkgs/applications/science/misc/fityk/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     swig3
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-std=c++11"
   ];
 
diff --git a/pkgs/applications/search/recoll/default.nix b/pkgs/applications/search/recoll/default.nix
index 09ad299d10de..db15e5b6aac0 100644
--- a/pkgs/applications/search/recoll/default.nix
+++ b/pkgs/applications/search/recoll/default.nix
@@ -57,7 +57,7 @@ mkDerivation rec {
     "--without-inotify"
   ]);
 
-  NIX_CFLAGS_COMPILE = [ "-DNIXPKGS" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DNIXPKGS" ];
 
   patches = [
     # fix "No/bad main configuration file" error
diff --git a/pkgs/applications/version-management/rapidsvn/default.nix b/pkgs/applications/version-management/rapidsvn/default.nix
index 0027af3defe9..0b3c3fab8d4a 100644
--- a/pkgs/applications/version-management/rapidsvn/default.nix
+++ b/pkgs/applications/version-management/rapidsvn/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ wxGTK30 subversion apr aprutil python3 ];
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   configureFlags = [
     "--with-svn-include=${subversion.dev}/include"
diff --git a/pkgs/applications/video/ogmtools/default.nix b/pkgs/applications/video/ogmtools/default.nix
index 48f1b98f6e53..df3daa72109d 100644
--- a/pkgs/applications/video/ogmtools/default.nix
+++ b/pkgs/applications/video/ogmtools/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libogg libvorbis libdvdread ];
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   meta = {
     description = "Tools for modifying and inspecting OGG media streams";
diff --git a/pkgs/applications/virtualization/libnvidia-container/default.nix b/pkgs/applications/virtualization/libnvidia-container/default.nix
index d718c61066f2..c2271791a679 100644
--- a/pkgs/applications/virtualization/libnvidia-container/default.nix
+++ b/pkgs/applications/virtualization/libnvidia-container/default.nix
@@ -84,7 +84,7 @@ stdenv.mkDerivation rec {
     HOME="$(mktemp -d)"
   '';
 
-  NIX_CFLAGS_COMPILE = [ "-I${libtirpc.dev}/include/tirpc" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${libtirpc.dev}/include/tirpc" ];
   NIX_LDFLAGS = [ "-L${libtirpc.dev}/lib" "-ltirpc" ];
 
   nativeBuildInputs = [ pkg-config go rpcsvc-proto makeWrapper removeReferencesTo ];
diff --git a/pkgs/applications/window-managers/cardboard/default.nix b/pkgs/applications/window-managers/cardboard/default.nix
index 6e483a40ef51..182cc72e20bf 100644
--- a/pkgs/applications/window-managers/cardboard/default.nix
+++ b/pkgs/applications/window-managers/cardboard/default.nix
@@ -110,7 +110,7 @@ stdenv.mkDerivation rec {
     "-Dwlroots:libseat=disabled"
   ];
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=array-bounds" ]; # gcc12
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=array-bounds" ]; # gcc12
 
   meta = with lib; {
     homepage = "https://gitlab.com/cardboardwm/cardboard";