Fix for cross compile

Author: hamishmack

overlays/cabal-pkg-config.nix

@@ -23,13 +23,13 @@ final: prev:
       if [[ "\$1" == "--libs" && "\$2" == "--static" ]]; then
         OUTPUT=\$(mktemp)
         ERROR=\$(mktemp)
-        if ${final.pkgconfig}/bin/pkg-config "\$@" >output 2>\$ERROR; then
+        if $out/bin/${attrs.targetPrefix}${attrs.baseBinName}-wrapped "\$@" >output 2>\$ERROR; then
           cat \$OUTPUT
         else
           echo "--error-pkg-config-static-failed=\$ERROR"
         fi
       else
-        ${final.pkgconfig}/bin/pkg-config "\$@"
+        $out/bin/${attrs.targetPrefix}${attrs.baseBinName}-wrapped "\$@"
       fi
       EOF
       chmod +x $out/bin/${attrs.targetPrefix}${attrs.baseBinName}