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

69 files changed, 69 insertions, 69 deletions

diff --git a/pkgs/development/compilers/llvm/10/compiler-rt/default.nix b/pkgs/development/compilers/llvm/10/compiler-rt/default.nix
index 7a4d3f06150c8..7afdc91c2fa33 100644
--- a/pkgs/development/compilers/llvm/10/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/10/compiler-rt/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake python3 libllvm.dev ];
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/11/compiler-rt/default.nix b/pkgs/development/compilers/llvm/11/compiler-rt/default.nix
index aa725afdb8b40..eff635f55a47d 100644
--- a/pkgs/development/compilers/llvm/11/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/11/compiler-rt/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake python3 libllvm.dev ]
      ++ lib.optional stdenv.isDarwin xcbuild.xcrun;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/12/compiler-rt/default.nix b/pkgs/development/compilers/llvm/12/compiler-rt/default.nix
index d0b02c3aaeb85..f5e9a56765478 100644
--- a/pkgs/development/compilers/llvm/12/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/12/compiler-rt/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
     ++ lib.optional stdenv.isDarwin xcbuild.xcrun;
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/13/compiler-rt/default.nix b/pkgs/development/compilers/llvm/13/compiler-rt/default.nix
index 52aa9ffe11f5c..2dfbfb54e115a 100644
--- a/pkgs/development/compilers/llvm/13/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/13/compiler-rt/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
     ++ lib.optional stdenv.isDarwin xcbuild.xcrun;
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/14/compiler-rt/default.nix b/pkgs/development/compilers/llvm/14/compiler-rt/default.nix
index 4351c56ef530b..21224a829edb8 100644
--- a/pkgs/development/compilers/llvm/14/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/14/compiler-rt/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
     ++ lib.optional stdenv.isDarwin xcbuild.xcrun;
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/15/compiler-rt/default.nix b/pkgs/development/compilers/llvm/15/compiler-rt/default.nix
index 3eb3903f1670f..ad52fc5bef574 100644
--- a/pkgs/development/compilers/llvm/15/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/15/compiler-rt/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
     ++ lib.optional stdenv.isDarwin xcbuild.xcrun;
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/5/compiler-rt/default.nix b/pkgs/development/compilers/llvm/5/compiler-rt/default.nix
index 6a9aa416f47be..6e5246aa3ba38 100644
--- a/pkgs/development/compilers/llvm/5/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/5/compiler-rt/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake python3 libllvm.dev ];
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/6/compiler-rt/default.nix b/pkgs/development/compilers/llvm/6/compiler-rt/default.nix
index c8841b479d1f9..2b2e460deef15 100644
--- a/pkgs/development/compilers/llvm/6/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/6/compiler-rt/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake python3 libllvm.dev ];
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/7/compiler-rt/default.nix b/pkgs/development/compilers/llvm/7/compiler-rt/default.nix
index ff960c89a9c5d..de77e86f321c6 100644
--- a/pkgs/development/compilers/llvm/7/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/7/compiler-rt/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake python3 libllvm.dev ];
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/8/compiler-rt/default.nix b/pkgs/development/compilers/llvm/8/compiler-rt/default.nix
index 209c70f83416c..e916df40be168 100644
--- a/pkgs/development/compilers/llvm/8/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/8/compiler-rt/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake python3 libllvm.dev ];
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/9/compiler-rt/default.nix b/pkgs/development/compilers/llvm/9/compiler-rt/default.nix
index b4e83d3c30147..bf5ba2f97821d 100644
--- a/pkgs/development/compilers/llvm/9/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/9/compiler-rt/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake python3 libllvm.dev ];
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/llvm/git/compiler-rt/default.nix b/pkgs/development/compilers/llvm/git/compiler-rt/default.nix
index ae4a7f1244ef9..721599c4431e4 100644
--- a/pkgs/development/compilers/llvm/git/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/git/compiler-rt/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
     ++ lib.optional stdenv.isDarwin xcbuild.xcrun;
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
   ];
 
diff --git a/pkgs/development/compilers/mit-scheme/default.nix b/pkgs/development/compilers/mit-scheme/default.nix
index da668b51e2785..7387b3253f489 100644
--- a/pkgs/development/compilers/mit-scheme/default.nix
+++ b/pkgs/development/compilers/mit-scheme/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation {
     runHook postConfigure
   '';
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=array-parameter"
     "-Wno-error=use-after-free"
diff --git a/pkgs/development/compilers/openjdk/12.nix b/pkgs/development/compilers/openjdk/12.nix
index bd3defbd6b98c..f0b4f5f2efec4 100644
--- a/pkgs/development/compilers/openjdk/12.nix
+++ b/pkgs/development/compilers/openjdk/12.nix
@@ -77,7 +77,7 @@ let
 
     separateDebugInfo = true;
 
-    NIX_CFLAGS_COMPILE = [ "-Wno-error" ];
+    NIX_CFLAGS_COMPILE = toString [ "-Wno-error" ];
 
     NIX_LDFLAGS = lib.optionals (!headless) [
       "-lfontconfig" "-lcups" "-lXinerama" "-lXrandr" "-lmagic"
diff --git a/pkgs/development/compilers/openjdk/openjfx/15.nix b/pkgs/development/compilers/openjdk/openjfx/15.nix
index 788baabde848f..0260493efb326 100644
--- a/pkgs/development/compilers/openjdk/openjfx/15.nix
+++ b/pkgs/development/compilers/openjdk/openjfx/15.nix
@@ -31,7 +31,7 @@ let
       JDK_HOME = ${openjdk11_headless.home}
     '' + args.gradleProperties or "");
 
-    NIX_CFLAGS_COMPILE = [
+    NIX_CFLAGS_COMPILE = toString [
       #avoids errors about deprecation of GTypeDebugFlags, GTimeVal, etc.
       "-DGLIB_DISABLE_DEPRECATION_WARNINGS"
 
diff --git a/pkgs/development/compilers/ponyc/default.nix b/pkgs/development/compilers/ponyc/default.nix
index fbb457359149a..0500990751420 100644
--- a/pkgs/development/compilers/ponyc/default.nix
+++ b/pkgs/development/compilers/ponyc/default.nix
@@ -73,7 +73,7 @@ stdenv.mkDerivation (rec {
 
   doCheck = true;
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=redundant-move" "-Wno-error=implicit-fallthrough" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=redundant-move" "-Wno-error=implicit-fallthrough" ];
 
   installPhase = "make config=release prefix=$out "
     + lib.optionalString stdenv.isDarwin "bits=64 "
diff --git a/pkgs/development/compilers/urweb/default.nix b/pkgs/development/compilers/urweb/default.nix
index a881b2f1badb1..7c88fbec8997e 100644
--- a/pkgs/development/compilers/urweb/default.nix
+++ b/pkgs/development/compilers/urweb/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
                    -L${sqlite.out}/lib";
   '';
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=use-after-free"
   ];
diff --git a/pkgs/development/libraries/ace/default.nix b/pkgs/development/libraries/ace/default.nix
index 2e617ef9e0ad1..27e5afddd5e0f 100644
--- a/pkgs/development/libraries/ace/default.nix
+++ b/pkgs/development/libraries/ace/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkg-config libtool ];
   buildInputs = [ perl ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=format-security"
   ];
 
diff --git a/pkgs/development/libraries/assimp/default.nix b/pkgs/development/libraries/assimp/default.nix
index ed0476fea642c..4e10fd31c0e5b 100644
--- a/pkgs/development/libraries/assimp/default.nix
+++ b/pkgs/development/libraries/assimp/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [ "-DASSIMP_BUILD_ASSIMP_TOOLS=ON" ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=array-bounds"
   ];
diff --git a/pkgs/development/libraries/aws-sdk-cpp/default.nix b/pkgs/development/libraries/aws-sdk-cpp/default.nix
index 5fb65ffa1811b..c72347a2b7d1e 100644
--- a/pkgs/development/libraries/aws-sdk-cpp/default.nix
+++ b/pkgs/development/libraries/aws-sdk-cpp/default.nix
@@ -105,7 +105,7 @@ stdenv.mkDerivation rec {
   ] ++ lib.optional (apis != ["*"])
     "-DBUILD_ONLY=${lib.concatStringsSep ";" apis}";
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # openssl 3 generates several deprecation warnings
     "-Wno-error=deprecated-declarations"
   ];
diff --git a/pkgs/development/libraries/belle-sip/default.nix b/pkgs/development/libraries/belle-sip/default.nix
index 44e5a4aa2de61..9a64002d83b8e 100644
--- a/pkgs/development/libraries/belle-sip/default.nix
+++ b/pkgs/development/libraries/belle-sip/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   # Do not build static libraries
   cmakeFlags = [ "-DENABLE_STATIC=NO" ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=cast-function-type"
     "-Wno-error=deprecated-declarations"
     "-Wno-error=format-truncation"
diff --git a/pkgs/development/libraries/bzrtp/default.nix b/pkgs/development/libraries/bzrtp/default.nix
index 5791924ad14a9..dc1d9e7e788b1 100644
--- a/pkgs/development/libraries/bzrtp/default.nix
+++ b/pkgs/development/libraries/bzrtp/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   # Do not build static libraries
   cmakeFlags = [ "-DENABLE_STATIC=NO" "-DCMAKE_C_FLAGS=-Wno-error=cast-function-type" ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=stringop-overflow"
   ];
diff --git a/pkgs/development/libraries/clucene-core/default.nix b/pkgs/development/libraries/clucene-core/default.nix
index 7687694d0f680..59b5db69b6322 100644
--- a/pkgs/development/libraries/clucene-core/default.nix
+++ b/pkgs/development/libraries/clucene-core/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./gcc6.patch ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-std=c++11"
   ];
 
diff --git a/pkgs/development/libraries/cpp-ipfs-http-client/default.nix b/pkgs/development/libraries/cpp-ipfs-http-client/default.nix
index 38acb5def4a3a..0388dd584cdff 100644
--- a/pkgs/development/libraries/cpp-ipfs-http-client/default.nix
+++ b/pkgs/development/libraries/cpp-ipfs-http-client/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   buildInputs = [ curl ];
   propagatedBuildInputs = [ nlohmann_json ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=range-loop-construct"
     # Needed with GCC 12
     "-Wno-error=deprecated-declarations"
diff --git a/pkgs/development/libraries/flatcc/default.nix b/pkgs/development/libraries/flatcc/default.nix
index 4f7fc14ee7b55..9928a98e3719e 100644
--- a/pkgs/development/libraries/flatcc/default.nix
+++ b/pkgs/development/libraries/flatcc/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     "-DCMAKE_BUILD_TYPE=Release"
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=misleading-indentation"
     "-Wno-error=stringop-overflow"
   ];
diff --git a/pkgs/development/libraries/folly/default.nix b/pkgs/development/libraries/folly/default.nix
index 9f54350e4e228..e509ea79704d6 100644
--- a/pkgs/development/libraries/folly/default.nix
+++ b/pkgs/development/libraries/folly/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
   # jemalloc headers are required in include/folly/portability/Malloc.h
   propagatedBuildInputs = lib.optional stdenv.isLinux jemalloc;
 
-  NIX_CFLAGS_COMPILE = [ "-DFOLLY_MOBILE=${if follyMobile then "1" else "0"}" "-fpermissive" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DFOLLY_MOBILE=${if follyMobile then "1" else "0"}" "-fpermissive" ];
   cmakeFlags = [
     "-DBUILD_SHARED_LIBS=ON"
 
diff --git a/pkgs/development/libraries/gsmlib/default.nix b/pkgs/development/libraries/gsmlib/default.nix
index f993eeedc33b9..190fc13747929 100644
--- a/pkgs/development/libraries/gsmlib/default.nix
+++ b/pkgs/development/libraries/gsmlib/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-std=c++14"
   ];
diff --git a/pkgs/development/libraries/iqueue/default.nix b/pkgs/development/libraries/iqueue/default.nix
index ab873f82c579a..33570c8aea5ad 100644
--- a/pkgs/development/libraries/iqueue/default.nix
+++ b/pkgs/development/libraries/iqueue/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libbsd microsoft_gsl ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=array-parameter"
     "-Wno-error=misleading-indentation"
diff --git a/pkgs/development/libraries/libbladeRF/default.nix b/pkgs/development/libraries/libbladeRF/default.nix
index e5e51a447b484..3363ffa35042a 100644
--- a/pkgs/development/libraries/libbladeRF/default.nix
+++ b/pkgs/development/libraries/libbladeRF/default.nix
@@ -46,7 +46,7 @@ in stdenv.mkDerivation rec {
     "-DBLADERF_GROUP=bladerf"
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=array-bounds"
   ];
diff --git a/pkgs/development/libraries/libchop/default.nix b/pkgs/development/libraries/libchop/default.nix
index 22cf5068f3934..753911936ee61 100644
--- a/pkgs/development/libraries/libchop/default.nix
+++ b/pkgs/development/libraries/libchop/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkg-config gperf rpcsvc-proto ];
 
-  NIX_CFLAGS_COMPILE = [ "-I${libtirpc.dev}/include/tirpc" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${libtirpc.dev}/include/tirpc" ];
   NIX_LDFLAGS = [ "-ltirpc" ];
 
   buildInputs =
diff --git a/pkgs/development/libraries/libcli/default.nix b/pkgs/development/libraries/libcli/default.nix
index 6e38c1ab84f13..04bea476d7033 100644
--- a/pkgs/development/libraries/libcli/default.nix
+++ b/pkgs/development/libraries/libcli/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" "AR=${stdenv.cc.targetPrefix}ar" "PREFIX=$(out)" ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=address"
   ];
diff --git a/pkgs/development/libraries/libcutl/default.nix b/pkgs/development/libraries/libcutl/default.nix
index dca7a6148f22b..110e12cf5ef8c 100644
--- a/pkgs/development/libraries/libcutl/default.nix
+++ b/pkgs/development/libraries/libcutl/default.nix
@@ -28,5 +28,5 @@ stdenv.mkDerivation rec {
   buildInputs = [ xercesc ];
   enableParallelBuilding = true;
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 }
diff --git a/pkgs/development/libraries/libgaminggear/default.nix b/pkgs/development/libraries/libgaminggear/default.nix
index f059d6c73a2fd..c8bcddbe78834 100644
--- a/pkgs/development/libraries/libgaminggear/default.nix
+++ b/pkgs/development/libraries/libgaminggear/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   ];
 
   # https://sourceforge.net/p/libgaminggear/discussion/general/thread/b43a776b3a/
-  NIX_CFLAGS_COMPILE = [ "-I${harfbuzz.dev}/include/harfbuzz" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${harfbuzz.dev}/include/harfbuzz" ];
 
   postFixup = ''
     moveToOutput bin "$bin"
diff --git a/pkgs/development/libraries/libicns/default.nix b/pkgs/development/libraries/libicns/default.nix
index 1df2a8abb82cc..21ef0df743cba 100644
--- a/pkgs/development/libraries/libicns/default.nix
+++ b/pkgs/development/libraries/libicns/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook ];
   buildInputs = [ libpng openjpeg ];
-  NIX_CFLAGS_COMPILE = [ "-I${openjpeg.dev}/include/${openjpeg.incDir}" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${openjpeg.dev}/include/${openjpeg.incDir}" ];
 
   meta = with lib; {
     description = "Library for manipulation of the Mac OS icns resource format";
diff --git a/pkgs/development/libraries/libjson/default.nix b/pkgs/development/libraries/libjson/default.nix
index 0a1a631a6b93c..74ba19541a263 100644
--- a/pkgs/development/libraries/libjson/default.nix
+++ b/pkgs/development/libraries/libjson/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   patches = [ ./install-fix.patch ];
   nativeBuildInputs = [ unzip ];
   makeFlags = [ "prefix=$(out)" ];
-  NIX_CFLAGS_COMPILE = [ "-std=c++11" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++11" ];
   preInstall = "mkdir -p $out/lib";
 
   meta = with lib; {
diff --git a/pkgs/development/libraries/libpulsar/default.nix b/pkgs/development/libraries/libpulsar/default.nix
index 76e379b45a6e7..11a146c62b950 100644
--- a/pkgs/development/libraries/libpulsar/default.nix
+++ b/pkgs/development/libraries/libpulsar/default.nix
@@ -69,7 +69,7 @@ stdenv.mkDerivation rec {
     ++ defaultOptionals;
 
   # Needed for GCC on Linux
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=return-type" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=return-type" ];
 
   cmakeFlags = [
     "-DBUILD_TESTS=${enableCmakeFeature gtestSupport}"
diff --git a/pkgs/development/libraries/librsb/default.nix b/pkgs/development/libraries/librsb/default.nix
index cc80655c1f999..a656d6a338990 100644
--- a/pkgs/development/libraries/librsb/default.nix
+++ b/pkgs/development/libraries/librsb/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
   ];
 
   # Ensure C/Fortran code is position-independent.
-  NIX_CFLAGS_COMPILE = [ "-fPIC" "-Ofast" ];
+  NIX_CFLAGS_COMPILE = toString [ "-fPIC" "-Ofast" ];
   FCFLAGS = [ "-fPIC" "-Ofast" ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/development/libraries/libvirt-glib/default.nix b/pkgs/development/libraries/libvirt-glib/default.nix
index 566a1c1b83fa7..8c8ce4f88606a 100644
--- a/pkgs/development/libraries/libvirt-glib/default.nix
+++ b/pkgs/development/libraries/libvirt-glib/default.nix
@@ -71,7 +71,7 @@ stdenv.mkDerivation rec {
   ];
 
   # https://gitlab.com/libvirt/libvirt-glib/-/issues/4
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=pointer-sign" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=pointer-sign" ];
 
   meta = with lib; {
     description = "Library for working with virtual machines";
diff --git a/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix b/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix
index 3997ceb623f38..5095b06b9cd96 100644
--- a/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix
+++ b/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     "--with-x-locale-root=${libX11.out}/share/X11/locale"
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=array-bounds"
   ];
diff --git a/pkgs/development/libraries/loki/default.nix b/pkgs/development/libraries/loki/default.nix
index cfb2ccf9ae6e3..bb275b38b8c23 100644
--- a/pkgs/development/libraries/loki/default.nix
+++ b/pkgs/development/libraries/loki/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     make build-shared
   '';
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-std=c++11"
   ];
 
diff --git a/pkgs/development/libraries/nss/generic.nix b/pkgs/development/libraries/nss/generic.nix
index e1b6abc5b253a..7384413d7719b 100644
--- a/pkgs/development/libraries/nss/generic.nix
+++ b/pkgs/development/libraries/nss/generic.nix
@@ -103,7 +103,7 @@ stdenv.mkDerivation rec {
       runHook postBuild
     '';
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error"
     "-DNIX_NSS_LIBDIR=\"${placeholder "out"}/lib/\""
   ] ++ lib.optionals stdenv.hostPlatform.is64bit [
diff --git a/pkgs/development/libraries/octomap/default.nix b/pkgs/development/libraries/octomap/default.nix
index 5a2064eb595dc..8326fe53da7a4 100644
--- a/pkgs/development/libraries/octomap/default.nix
+++ b/pkgs/development/libraries/octomap/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=deprecated-declarations"
   ];
diff --git a/pkgs/development/libraries/opae/default.nix b/pkgs/development/libraries/opae/default.nix
index 4e9e4d79dd2f1..e28d8763b3307 100644
--- a/pkgs/development/libraries/opae/default.nix
+++ b/pkgs/development/libraries/opae/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   doCheck = false;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=format-truncation"
     "-Wno-error=address-of-packed-member"
     "-Wno-array-bounds"
diff --git a/pkgs/development/libraries/opendbx/default.nix b/pkgs/development/libraries/opendbx/default.nix
index ce8064cdc1eb9..f96032825e1df 100644
--- a/pkgs/development/libraries/opendbx/default.nix
+++ b/pkgs/development/libraries/opendbx/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ readline libmysqlclient postgresql sqlite ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-std=c++14"
   ];
diff --git a/pkgs/development/libraries/openldap/default.nix b/pkgs/development/libraries/openldap/default.nix
index ad4654d88b3e5..7b79f7d40e037 100644
--- a/pkgs/development/libraries/openldap/default.nix
+++ b/pkgs/development/libraries/openldap/default.nix
@@ -64,7 +64,7 @@ stdenv.mkDerivation rec {
     "ac_cv_func_memcmp_working=yes"
   ] ++ lib.optional stdenv.isFreeBSD "--with-pic";
 
-  NIX_CFLAGS_COMPILE = [ "-DLDAPI_SOCK=\"/run/openldap/ldapi\"" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DLDAPI_SOCK=\"/run/openldap/ldapi\"" ];
 
   makeFlags= [
     "CC=${stdenv.cc.targetPrefix}cc"
diff --git a/pkgs/development/libraries/opensaml-cpp/default.nix b/pkgs/development/libraries/opensaml-cpp/default.nix
index 1f4ad96c2977b..28af08b3d430c 100644
--- a/pkgs/development/libraries/opensaml-cpp/default.nix
+++ b/pkgs/development/libraries/opensaml-cpp/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "--with-xmltooling=${xml-tooling-c}" ];
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/libraries/pipewire/0.2.nix b/pkgs/development/libraries/pipewire/0.2.nix
index 422bcb3e675b1..1929f59bfa27b 100644
--- a/pkgs/development/libraries/pipewire/0.2.nix
+++ b/pkgs/development/libraries/pipewire/0.2.nix
@@ -31,7 +31,7 @@ in stdenv.mkDerivation rec {
   # Workaround build on gcc-10+ and clang11+:
   #  spa/plugins/bluez5/libspa-bluez5.so.p/bluez5-monitor.c.o:(.bss+0x0):
   #    multiple definition of `spa_a2dp_sink_factory'
-  NIX_CFLAGS_COMPILE = [ "-fcommon" ];
+  NIX_CFLAGS_COMPILE = toString [ "-fcommon" ];
 
   mesonFlags = [
     "-Ddocs=true"
diff --git a/pkgs/development/libraries/poly2tri-c/default.nix b/pkgs/development/libraries/poly2tri-c/default.nix
index cdfd376add1c2..d2c5f7383caa4 100644
--- a/pkgs/development/libraries/poly2tri-c/default.nix
+++ b/pkgs/development/libraries/poly2tri-c/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     glib
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "--std=gnu99"
     "-Wno-error"
   ];
diff --git a/pkgs/development/libraries/prime-server/default.nix b/pkgs/development/libraries/prime-server/default.nix
index 4f30a9f005c92..61c0273686494 100644
--- a/pkgs/development/libraries/prime-server/default.nix
+++ b/pkgs/development/libraries/prime-server/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ curl zeromq czmq libsodium ];
 
   # https://github.com/kevinkreiser/prime_server/issues/95
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=unused-variable" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=unused-variable" ];
 
   meta = with lib; {
     description = "Non-blocking (web)server API for distributed computing and SOA based on zeromq";
diff --git a/pkgs/development/libraries/qt-5/modules/qtwebkit.nix b/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
index cc2644edd4e68..e67d7e5d34d34 100644
--- a/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
@@ -35,7 +35,7 @@ qtModule {
       "-DMACOS_FORCE_SYSTEM_XML_LIBRARIES=OFF"
     ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # with gcc7 this warning blows the log over Hydra's limit
     "-Wno-expansion-to-defined"
   ]
diff --git a/pkgs/development/libraries/qt-6/modules/qttools.nix b/pkgs/development/libraries/qt-6/modules/qttools.nix
index 16a7fc0c89d3a..194ec130f9395 100644
--- a/pkgs/development/libraries/qt-6/modules/qttools.nix
+++ b/pkgs/development/libraries/qt-6/modules/qttools.nix
@@ -14,7 +14,7 @@ qtModule {
   patches = [
     ../patches/qttools-paths.patch
   ];
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-DNIX_OUTPUT_DEV=\"${placeholder "dev"}\""
   ];
 
diff --git a/pkgs/development/libraries/roctracer/default.nix b/pkgs/development/libraries/roctracer/default.nix
index 74d32f4430626..c235efa6ff495 100644
--- a/pkgs/development/libraries/roctracer/default.nix
+++ b/pkgs/development/libraries/roctracer/default.nix
@@ -62,7 +62,7 @@ stdenv.mkDerivation (finalAttrs: {
     "-DCMAKE_INSTALL_INCLUDEDIR=include"
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=array-bounds"
   ];
diff --git a/pkgs/development/libraries/science/math/nccl/default.nix b/pkgs/development/libraries/science/math/nccl/default.nix
index 34c18cde23c5e..6d5f54288d09b 100644
--- a/pkgs/development/libraries/science/math/nccl/default.nix
+++ b/pkgs/development/libraries/science/math/nccl/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     addOpenGLRunpath $out/lib/lib*.so
   '';
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-unused-function" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-unused-function" ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/libraries/shibboleth-sp/default.nix b/pkgs/development/libraries/shibboleth-sp/default.nix
index 5dd997352f139..fa0d6b8bcb63c 100644
--- a/pkgs/development/libraries/shibboleth-sp/default.nix
+++ b/pkgs/development/libraries/shibboleth-sp/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     "--with-fastcgi"
   ];
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/libraries/smesh/default.nix b/pkgs/development/libraries/smesh/default.nix
index 0181977873a98..ddbdc47169caf 100644
--- a/pkgs/development/libraries/smesh/default.nix
+++ b/pkgs/development/libraries/smesh/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ninja ];
   buildInputs = [ opencascade ] ++ lib.optionals stdenv.isDarwin [ Cocoa ];
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++11" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++11" ];
 
   meta = with lib; {
     description = "Extension to OCE providing advanced meshing features";
diff --git a/pkgs/development/libraries/swiftshader/default.nix b/pkgs/development/libraries/swiftshader/default.nix
index 28aabc03682be..424ff7bff930c 100644
--- a/pkgs/development/libraries/swiftshader/default.nix
+++ b/pkgs/development/libraries/swiftshader/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake python3 jq ];
   buildInputs = [ libX11 libXext zlib ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=array-bounds"
     "-Wno-error=uninitialized"
diff --git a/pkgs/development/libraries/uri/default.nix b/pkgs/development/libraries/uri/default.nix
index 6189fcf016de2..2434e2878ef7b 100644
--- a/pkgs/development/libraries/uri/default.nix
+++ b/pkgs/development/libraries/uri/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "148361pixrm94q6v04k13s1msa04bx9yc3djb0lxpa7dlw19vhcd";
   };
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=parentheses"
     # Needed with GCC 12
     "-Wno-error=deprecated-declarations"
diff --git a/pkgs/development/libraries/xml-tooling-c/default.nix b/pkgs/development/libraries/xml-tooling-c/default.nix
index 39e25241c9430..6ceb58065f22f 100644
--- a/pkgs/development/libraries/xml-tooling-c/default.nix
+++ b/pkgs/development/libraries/xml-tooling-c/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ boost curl openssl log4shib xercesc xml-security-c ];
   nativeBuildInputs = [ autoreconfHook pkg-config ];
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/misc/msp430/mspds/default.nix b/pkgs/development/misc/msp430/mspds/default.nix
index ec0ac507a46d6..c8116fa596f5b 100644
--- a/pkgs/development/misc/msp430/mspds/default.nix
+++ b/pkgs/development/misc/msp430/mspds/default.nix
@@ -25,7 +25,7 @@ in stdenv.mkDerivation {
   libName = "libmsp430${stdenv.hostPlatform.extensions.sharedLibrary}";
   makeFlags = [ "OUTPUT=$(libName)" "HIDOBJ=" ];
   NIX_LDFLAGS = [ "-lpugixml" "-lhidapi${hidapiDriver}" ];
-  NIX_CFLAGS_COMPILE = [ "-I${hidapi}/include/hidapi" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${hidapi}/include/hidapi" ];
 
   patches = [ ./bsl430.patch ];
 
diff --git a/pkgs/development/python-modules/pystemmer/default.nix b/pkgs/development/python-modules/pystemmer/default.nix
index dd258c380c6f0..8d19494885de5 100644
--- a/pkgs/development/python-modules/pystemmer/default.nix
+++ b/pkgs/development/python-modules/pystemmer/default.nix
@@ -44,7 +44,7 @@ buildPythonPackage rec {
     export PYSTEMMER_SYSTEM_LIBSTEMMER="${lib.getDev libstemmer}/include"
   '';
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-I${lib.getDev libstemmer}/include"
   ];
 
diff --git a/pkgs/development/python-modules/tensorflow/default.nix b/pkgs/development/python-modules/tensorflow/default.nix
index 8cd3231bea071..6008bf405c2f6 100644
--- a/pkgs/development/python-modules/tensorflow/default.nix
+++ b/pkgs/development/python-modules/tensorflow/default.nix
@@ -317,7 +317,7 @@ let
     '';
 
     # https://github.com/tensorflow/tensorflow/pull/39470
-    NIX_CFLAGS_COMPILE = [ "-Wno-stringop-truncation" ];
+    NIX_CFLAGS_COMPILE = toString [ "-Wno-stringop-truncation" ];
 
     preConfigure = let
       opt_flags = []
diff --git a/pkgs/development/tools/ashpd-demo/default.nix b/pkgs/development/tools/ashpd-demo/default.nix
index f8e1a36a993e4..01f1d5d8c2c93 100644
--- a/pkgs/development/tools/ashpd-demo/default.nix
+++ b/pkgs/development/tools/ashpd-demo/default.nix
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
 
   # FIXME: workaround for Pipewire 0.3.64 deprecated API change, remove when fixed upstream
   # https://gitlab.freedesktop.org/pipewire/pipewire-rs/-/issues/55
-  NIX_CFLAGS_COMPILE = [ "-DPW_ENABLE_DEPRECATED" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DPW_ENABLE_DEPRECATED" ];
 
   passthru = {
     updateScript = nix-update-script { };
diff --git a/pkgs/development/tools/misc/dbench/default.nix b/pkgs/development/tools/misc/dbench/default.nix
index 78b743ef9f1bf..4e390ac06f031 100644
--- a/pkgs/development/tools/misc/dbench/default.nix
+++ b/pkgs/development/tools/misc/dbench/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoconf rpcsvc-proto ];
   buildInputs = [ popt zlib libtirpc ];
-  NIX_CFLAGS_COMPILE = [ "-I${libtirpc.dev}/include/tirpc" ];
+  NIX_CFLAGS_COMPILE = toString [ "-I${libtirpc.dev}/include/tirpc" ];
   NIX_LDFLAGS = [ "-ltirpc" ];
 
   patches = [
diff --git a/pkgs/development/tools/misc/intel-gpu-tools/default.nix b/pkgs/development/tools/misc/intel-gpu-tools/default.nix
index 40cf1e14e94d5..8483e72827b0e 100644
--- a/pkgs/development/tools/misc/intel-gpu-tools/default.nix
+++ b/pkgs/development/tools/misc/intel-gpu-tools/default.nix
@@ -82,7 +82,7 @@ stdenv.mkDerivation rec {
     liboping
   ];
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=array-bounds" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=array-bounds" ];
 
   preConfigure = ''
     patchShebangs tests man
diff --git a/pkgs/development/tools/misc/xxdiff/default.nix b/pkgs/development/tools/misc/xxdiff/default.nix
index c187ad42c0e98..58fa8dc6f8c3b 100644
--- a/pkgs/development/tools/misc/xxdiff/default.nix
+++ b/pkgs/development/tools/misc/xxdiff/default.nix
@@ -20,7 +20,7 @@ mkDerivation rec {
   dontUseQmakeConfigure = true;
 
   # c++11 and above is needed for building with Qt 5.9+
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   sourceRoot = "source/src";
 
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/overrides/default.nix b/pkgs/development/tools/poetry2nix/poetry2nix/overrides/default.nix
index 60a45f606f6bb..e1bac06b9f69c 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/overrides/default.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/overrides/default.nix
@@ -1383,7 +1383,7 @@ lib.composeManyExtensions [
       openexr = super.openexr.overridePythonAttrs (
         old: {
           buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.openexr pkgs.ilmbase ];
-          NIX_CFLAGS_COMPILE = [ "-I${pkgs.openexr.dev}/include/OpenEXR" "-I${pkgs.ilmbase.dev}/include/OpenEXR" ];
+          NIX_CFLAGS_COMPILE = toString [ "-I${pkgs.openexr.dev}/include/OpenEXR" "-I${pkgs.ilmbase.dev}/include/OpenEXR" ];
         }
       );
 
diff --git a/pkgs/development/tools/profiling/systemtap/default.nix b/pkgs/development/tools/profiling/systemtap/default.nix
index 8799fbd62d39a..c47fd1604d269 100644
--- a/pkgs/development/tools/profiling/systemtap/default.nix
+++ b/pkgs/development/tools/profiling/systemtap/default.nix
@@ -19,7 +19,7 @@ let
     nativeBuildInputs = [ pkg-config cpio python3 python3.pkgs.setuptools ];
     buildInputs = [ elfutils gettext ];
     enableParallelBuilding = true;
-    NIX_CFLAGS_COMPILE = [ "-Wno-error=deprecated-declarations" ]; # Needed with GCC 12
+    NIX_CFLAGS_COMPILE = toString [ "-Wno-error=deprecated-declarations" ]; # Needed with GCC 12
   };
 
   ## a kernel build dir as expected by systemtap
diff --git a/pkgs/development/tools/tracy/default.nix b/pkgs/development/tools/tracy/default.nix
index 210700fb8c301..5b5aac2d03c1e 100644
--- a/pkgs/development/tools/tracy/default.nix
+++ b/pkgs/development/tools/tracy/default.nix
@@ -21,7 +21,7 @@ in stdenv.mkDerivation rec {
     ++ lib.optionals stdenv.isDarwin [ Carbon AppKit freetype ]
     ++ lib.optionals stdenv.isLinux [ gtk3 tbb dbus ];
 
-  NIX_CFLAGS_COMPILE = [ ]
+  NIX_CFLAGS_COMPILE = toString [ ]
     # Apple's compiler finds a format string security error on
     # ../../../server/TracyView.cpp:649:34, preventing building.
     ++ lib.optional stdenv.isDarwin "-Wno-format-security"
diff --git a/pkgs/development/tools/wlcs/default.nix b/pkgs/development/tools/wlcs/default.nix
index 4ec4403987a3c..3b27d1bbca6f1 100644
--- a/pkgs/development/tools/wlcs/default.nix
+++ b/pkgs/development/tools/wlcs/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
     wayland
   ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=maybe-uninitialized"
   ];