10 files changed, 12 insertions, 12 deletions
diff --git a/pkgs/servers/foundationdb/cmake.nix b/pkgs/servers/foundationdb/cmake.nix
index 436f0a7fc4d..b49f73a4e3c 100644
--- a/pkgs/servers/foundationdb/cmake.nix
+++ b/pkgs/servers/foundationdb/cmake.nix
@@ -60,7 +60,7 @@ let
             (lib.optionalString (!useClang) "-DUSE_LD=GOLD")
           ];
 
-        NIX_CFLAGS_COMPILE = [
+        NIX_CFLAGS_COMPILE = toString [
           # Needed with GCC 12
           "-Wno-error=missing-template-keyword"
         ];
diff --git a/pkgs/servers/gemini/gmnisrv/default.nix b/pkgs/servers/gemini/gmnisrv/default.nix
index d37a7247ecf..a330de62cf6 100644
--- a/pkgs/servers/gemini/gmnisrv/default.nix
+++ b/pkgs/servers/gemini/gmnisrv/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-V9HXXYQIo3zeqZjJEn+dhemNg6AU+ee3FRmBmXgLuYQ=";
   };
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=deprecated-declarations"
   ];
 
diff --git a/pkgs/servers/http/mini-httpd/default.nix b/pkgs/servers/http/mini-httpd/default.nix
index 258eacf768c..e5e957c3f12 100644
--- a/pkgs/servers/http/mini-httpd/default.nix
+++ b/pkgs/servers/http/mini-httpd/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   meta = {
     homepage = "http://mini-httpd.nongnu.org/";
diff --git a/pkgs/servers/mail/archiveopteryx/default.nix b/pkgs/servers/mail/archiveopteryx/default.nix
index 2bcd87c3b84..0b7a1573fe4 100644
--- a/pkgs/servers/mail/archiveopteryx/default.nix
+++ b/pkgs/servers/mail/archiveopteryx/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   '';
 
   # fix build on gcc7+ and gcc11+
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-std=c++11" # c++17+ has errors
     "-Wno-error=builtin-declaration-mismatch"
     "-Wno-error=deprecated-copy"
diff --git a/pkgs/servers/memcached/default.nix b/pkgs/servers/memcached/default.nix
index 83721ed601d..c108d4775b6 100644
--- a/pkgs/servers/memcached/default.nix
+++ b/pkgs/servers/memcached/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   hardeningEnable = [ "pie" ];
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=deprecated-declarations" ]
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=deprecated-declarations" ]
     ++ lib.optional stdenv.isDarwin "-Wno-error";
 
   meta = with lib; {
diff --git a/pkgs/servers/mpd/default.nix b/pkgs/servers/mpd/default.nix
index d1d94b3a82c..3da8c2232fc 100644
--- a/pkgs/servers/mpd/default.nix
+++ b/pkgs/servers/mpd/default.nix
@@ -166,7 +166,7 @@ let
         ++ lib.optional (builtins.elem "documentation" features_) "man";
 
       # FIXME: workaround for Pipewire 0.3.64 deprecated API change, remove when fixed upstream
-      NIX_CFLAGS_COMPILE = [ "-DPW_ENABLE_DEPRECATED" ];
+      NIX_CFLAGS_COMPILE = toString [ "-DPW_ENABLE_DEPRECATED" ];
 
       CXXFLAGS = lib.optionals stdenv.isDarwin [
         "-D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES=0"
diff --git a/pkgs/servers/osrm-backend/default.nix b/pkgs/servers/osrm-backend/default.nix
index cddda5d399f..77d30ff4ffa 100644
--- a/pkgs/servers/osrm-backend/default.nix
+++ b/pkgs/servers/osrm-backend/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ bzip2 libxml2 libzip boost lua luabind tbb expat ];
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
     "-Wno-error=stringop-overflow"
     "-Wno-error=uninitialized"
diff --git a/pkgs/servers/tvheadend/default.nix b/pkgs/servers/tvheadend/default.nix
index 325632da48c..d0e05d8a485 100644
--- a/pkgs/servers/tvheadend/default.nix
+++ b/pkgs/servers/tvheadend/default.nix
@@ -75,7 +75,7 @@ in stdenv.mkDerivation {
 
   enableParallelBuilding = true;
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     "-Wno-error=format-truncation"
     "-Wno-error=stringop-truncation"
   ] ++ lib.optionals (stdenv.cc.isGNU && lib.versionAtLeast stdenv.cc.version "12") [
diff --git a/pkgs/servers/varnish/digest.nix b/pkgs/servers/varnish/digest.nix
index 31aaad835bd..650f437186d 100644
--- a/pkgs/servers/varnish/digest.nix
+++ b/pkgs/servers/varnish/digest.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "VMOD_DIR=$(out)/lib/varnish/vmods" ];
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=deprecated-declarations" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-error=deprecated-declarations" ];
 
   doCheck = true;
 
diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index d0a2ec88121..d01eb0d5ab8 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -458,7 +458,7 @@ self: super:
   xf86videowsfb    = super.xf86videowsfb.overrideAttrs    (attrs: { meta = attrs.meta // { broken = true; }; });
 
   xf86videoomap    = super.xf86videoomap.overrideAttrs (attrs: {
-    NIX_CFLAGS_COMPILE = [ "-Wno-error=format-overflow" ];
+    NIX_CFLAGS_COMPILE = toString [ "-Wno-error=format-overflow" ];
   });
 
   xf86videoamdgpu = super.xf86videoamdgpu.overrideAttrs (attrs: {
@@ -592,7 +592,7 @@ self: super:
 
   xf86videovmware = super.xf86videovmware.overrideAttrs (attrs: {
     buildInputs =  attrs.buildInputs ++ [ mesa mesa.driversdev llvm ]; # for libxatracker
-    NIX_CFLAGS_COMPILE = [ "-Wno-error=address" ]; # gcc12
+    NIX_CFLAGS_COMPILE = toString [ "-Wno-error=address" ]; # gcc12
     meta = attrs.meta // {
       platforms = ["i686-linux" "x86_64-linux"];
     };
@@ -893,7 +893,7 @@ self: super:
           "--disable-tls"
         ];
 
-        NIX_CFLAGS_COMPILE = [
+        NIX_CFLAGS_COMPILE = toString [
           # Needed with GCC 12
           "-Wno-error=array-bounds"
         ];