我知道MonoDevelop 5.x+ / Mono 4.x具有xbuild/MSBuild支持ToolsVersion 12的功能,因此让我们检查您的安装。
检查Mono安装:
mono --version
Mono JIT compiler version 4.0.2 ((detached/c99aa0c Thu Jun 11 18:53:01 EDT 2015)
xbuild --version
XBuild Engine Version 12.0
Mono, Version 4.0.2.0**
检查GAC安装情况:
gacutil -l |grep Microsoft.Build
Microsoft.Build, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Engine, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Engine, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Engine, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Framework, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Framework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Framework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Tasks.Core, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Tasks.v12.0, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Tasks.v4.0, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Utilities.Core, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Utilities.v12.0, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Build.Utilities.v4.0, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
检查是否拥有MSBuild dll(路径也因平台而异,根据需要进行更改):
cat `which xbuild`
exec /Library/Frameworks/Mono.framework/Versions/4.0.2/bin/mono $MONO_OPTIONS /Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/xbuild/12.0/bin/xbuild.exe "$@"
从上面的输出中获取您的Mono安装路径并更改以下路径以匹配:
find /Library/Frameworks/Mono.framework/Versions/4.0.2 -name "*MSBuild"
/Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/4.5/MSBuild
/Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/gac/Mono.Addins.MSBuild
/Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/gac/policy.0.2.Mono.Addins.MSBuild
/Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/gac/policy.0.3.Mono.Addins.MSBuild
/Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/gac/policy.0.4.Mono.Addins.MSBuild
/Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/gac/policy.0.5.Mono.Addins.MSBuild
/Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/gac/policy.0.6.Mono.Addins.MSBuild
/Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/xbuild/12.0/bin/MSBuild
/Library/Frameworks/Mono.framework/Versions/4.0.2/lib/mono/xbuild/14.0/bin/MSBuild
你可以看到我有工具版本12。根据需要更新或重新安装 ;-)