7 files changed, 9 insertions, 9 deletions
diff --git a/pkgs/servers/dante/default.nix b/pkgs/servers/dante/default.nix
index a5806a20d411..1d15bddc09f7 100644
--- a/pkgs/servers/dante/default.nix
+++ b/pkgs/servers/dante/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = if !stdenv.isDarwin
     then [ "--with-libc=libc.so.6" ]
-    else [ "--with-libc=libc${stdenv.targetPlatform.extensions.sharedLibrary}" ];
+    else [ "--with-libc=libc${stdenv.hostPlatform.extensions.sharedLibrary}" ];
 
   dontAddDisableDepTrack = stdenv.isDarwin;
 
diff --git a/pkgs/servers/dns/knot-resolver/default.nix b/pkgs/servers/dns/knot-resolver/default.nix
index 8df8b1807f09..28fe866dfdcc 100644
--- a/pkgs/servers/dns/knot-resolver/default.nix
+++ b/pkgs/servers/dns/knot-resolver/default.nix
@@ -83,7 +83,7 @@ unwrapped = stdenv.mkDerivation rec {
   postInstall = ''
     rm "$out"/lib/libkres.a
     rm "$out"/lib/knot-resolver/upgrade-4-to-5.lua # not meaningful on NixOS
-  '' + optionalString stdenv.targetPlatform.isLinux ''
+  '' + optionalString stdenv.hostPlatform.isLinux ''
     rm -r "$out"/lib/sysusers.d/ # ATM more likely to harm than help
   '';
 
diff --git a/pkgs/servers/matrix-synapse/matrix-hookshot/default.nix b/pkgs/servers/matrix-synapse/matrix-hookshot/default.nix
index 6113bd6ff417..f784036075c8 100644
--- a/pkgs/servers/matrix-synapse/matrix-hookshot/default.nix
+++ b/pkgs/servers/matrix-synapse/matrix-hookshot/default.nix
@@ -59,7 +59,7 @@ mkYarnPackage rec {
   buildPhase = ''
     runHook preBuild
     cd deps/${pname}
-    napi build --target ${stdenv.targetPlatform.rust.rustcTargetSpec} --dts ../src/libRs.d.ts --release ./lib
+    napi build --target ${stdenv.hostPlatform.rust.rustcTargetSpec} --dts ../src/libRs.d.ts --release ./lib
     yarn run build:app:fix-defs
     yarn run build:app
     yarn run build:web
diff --git a/pkgs/servers/monitoring/grafana/plugins/grafana-plugin.nix b/pkgs/servers/monitoring/grafana/plugins/grafana-plugin.nix
index 7894e759b168..09fed144e57a 100644
--- a/pkgs/servers/monitoring/grafana/plugins/grafana-plugin.nix
+++ b/pkgs/servers/monitoring/grafana/plugins/grafana-plugin.nix
@@ -1,7 +1,7 @@
 { stdenvNoCC, fetchurl, unzip, lib }:
 
 { pname, version, zipHash, meta ? {}, passthru ? {}, ... }@args:
-let plat = stdenvNoCC.targetPlatform.system; in stdenvNoCC.mkDerivation ({
+let plat = stdenvNoCC.hostPlatform.system; in stdenvNoCC.mkDerivation ({
   inherit pname version;
 
   src = if lib.isAttrs zipHash then
diff --git a/pkgs/servers/mpd/default.nix b/pkgs/servers/mpd/default.nix
index aa781f7e26fb..df166ad0ff04 100644
--- a/pkgs/servers/mpd/default.nix
+++ b/pkgs/servers/mpd/default.nix
@@ -148,7 +148,7 @@ let
 
       depsBuildBuild = [ buildPackages.stdenv.cc ];
 
-      postPatch = lib.optionalString (stdenv.isDarwin && lib.versionOlder stdenv.targetPlatform.darwinSdkVersion "12.0") ''
+      postPatch = lib.optionalString (stdenv.isDarwin && lib.versionOlder stdenv.hostPlatform.darwinSdkVersion "12.0") ''
         substituteInPlace src/output/plugins/OSXOutputPlugin.cxx \
           --replace kAudioObjectPropertyElement{Main,Master} \
           --replace kAudioHardwareServiceDeviceProperty_Virtual{Main,Master}Volume
diff --git a/pkgs/servers/networkaudiod/default.nix b/pkgs/servers/networkaudiod/default.nix
index 5a09c7933d14..dacd315aba34 100644
--- a/pkgs/servers/networkaudiod/default.nix
+++ b/pkgs/servers/networkaudiod/default.nix
@@ -6,7 +6,7 @@
 , alsa-lib
 }:
 let
-  inherit (stdenv.targetPlatform) system;
+  inherit (stdenv.hostPlatform) system;
   throwSystem = throw "Unsupported system: ${system}";
 in
 stdenv.mkDerivation rec {
diff --git a/pkgs/servers/nosql/arangodb/default.nix b/pkgs/servers/nosql/arangodb/default.nix
index 36c978e364fe..52b9125e99d5 100644
--- a/pkgs/servers/nosql/arangodb/default.nix
+++ b/pkgs/servers/nosql/arangodb/default.nix
@@ -15,12 +15,12 @@
 , lzo
 , which
 , targetArchitecture ? null
-, asmOptimizations ? gcc10Stdenv.targetPlatform.isx86
+, asmOptimizations ? gcc10Stdenv.hostPlatform.isx86
 }:
 
 let
   defaultTargetArchitecture =
-    if gcc10Stdenv.targetPlatform.isx86
+    if gcc10Stdenv.hostPlatform.isx86
     then "haswell"
     else "core";
 
@@ -72,7 +72,7 @@ gcc10Stdenv.mkDerivation rec {
     "-DTARGET_ARCHITECTURE=${targetArch}"
   ] ++ lib.optionals asmOptimizations [
     "-DASM_OPTIMIZATIONS=ON"
-    "-DHAVE_SSE42=${if gcc10Stdenv.targetPlatform.sse4_2Support then "ON" else "OFF"}"
+    "-DHAVE_SSE42=${if gcc10Stdenv.hostPlatform.sse4_2Support then "ON" else "OFF"}"
   ];
 
   meta = with lib; {