make "prepare" "CONFIGURATION=Release" -C "/home/cacacarrot/.cache/yay/xamarin-android-git/src/xamarin-android/external/xamarin-android-tools"
[Make] running
[Make] log file: bin/BuildRelease/prepare-20190725T120110.make.xamarin-android-tools.log
To wait, or not to wait... 00:00:00.2500887
Elapsed: 00:00:01.6121926

make "prepare" "CONFIGURATION=Release" "JI_MAX_JDK=8" -C "/home/cacacarrot/.cache/yay/xamarin-android-git/src/xamarin-android/external/Java.Interop"
[Make] running
[Make] log file: bin/BuildRelease/prepare-20190725T120110.make.java-interop-prepare.log
stderr | which: no mono64 in (/opt/anaconda/bin:/opt/cuda/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/opt/cuda/bin:/opt/flutter/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/home/cacacarrot/Applications/flutter/.pub-cache/bin)
And the time slowly passes... 00:00:00.2501061
"Wait" is my second name... 00:00:10.2500840
stderr | make[1]: *** [build-tools/scripts/jdk.mk:46: bin/BuildRelease/JdkInfo.props] Error 1
Elapsed: 00:00:12.0997546

Step Xamarin.Android.Prepare.Step_PrepareExternal failed
System.InvalidOperationException: Step Xamarin.Android.Prepare.Step_PrepareExternal failed
  at Xamarin.Android.Prepare.Scenario.Run (Xamarin.Android.Prepare.Context context, Xamarin.Android.Prepare.Log log) [0x00144] in /home/cacacarrot/.cache/yay/xamarin-android-git/src/xamarin-android/build-tools/xaprepare/xaprepare/Application/Scenario.cs:46
  at Xamarin.Android.Prepare.Context.Execute () [0x000a7] in /home/cacacarrot/.cache/yay/xamarin-android-git/src/xamarin-android/build-tools/xaprepare/xaprepare/Application/Context.cs:777
  at Xamarin.Android.Prepare.App.Run (System.String[] args) [0x0081d] in /home/cacacarrot/.cache/yay/xamarin-android-git/src/xamarin-android/build-tools/xaprepare/xaprepare/Main.cs:172

make: *** [Makefile:197: prepare] Error 1
==> ERROR: A failure occurred in prepare().
    Aborting...
Error making: xamarin-android-git