Merge pull request #151811 from Mindavi/lv2/cross

lv2 + sratom + lilv: support cross-compilation

pkgs/development/libraries/audio/lilv/default.nix

@@ -20,6 +20,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkg-config python3 wafHook ];
   buildInputs = [ serd sord sratom ];
   propagatedBuildInputs = [ lv2 ];
+  dontAddWafCrossFlags = true;
 
   passthru.tests = {
     inherit pipewire;

pkgs/development/libraries/audio/lv2/default.nix

@@ -22,6 +22,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     pkg-config
     wafHook
+    python3
   ];
 
   buildInputs = [
@@ -35,6 +36,7 @@ stdenv.mkDerivation rec {
   ] ++ lib.optionals stdenv.isDarwin [
     "--lv2dir=${placeholder "out"}/lib/lv2"
   ];
+  dontAddWafCrossFlags = true;
 
   passthru.tests = {
     inherit pipewire;

pkgs/development/libraries/audio/sratom/default.nix

@@ -11,6 +11,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkg-config wafHook python3 ];
   buildInputs = [ lv2 serd sord ];
+  dontAddWafCrossFlags = true;
 
   meta = with lib; {
     homepage = "http://drobilla.net/software/sratom";

pkgs/development/tools/build-managers/wafHook/setup-hook.sh

@@ -10,6 +10,10 @@ wafConfigurePhase() {
         wafConfigureFlags="${prefixKey:---prefix=}$prefix $wafConfigureFlags"
     fi
 
+    if [ -n "${PKG_CONFIG}" ]; then
+      export PKGCONFIG="${PKG_CONFIG}"
+    fi
+
     local flagsArray=(
         "${flagsArray[@]}"
         $wafConfigureFlags "${wafConfigureFlagsArray[@]}"

pkgs/misc/jackaudio/default.nix

@@ -48,8 +48,6 @@ stdenv.mkDerivation rec {
         --replace /bin/bash ${bash}/bin/bash
   '';
 
-  PKGCONFIG = "${stdenv.cc.targetPrefix}pkg-config";
-
   dontAddWafCrossFlags = "true";
   wafConfigureFlags = [
     "--classic"