iOS bob build

I am attempting to create an IPA with bob.jar on circleci and currently get the following error:

java -jar ../bob.jar build --archive
java -jar ../bob.jar bundle --platform armv7-darwin -variant release -mp 
path/to/file.mobileprovision --identity path/to/file.cer
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Aug 19, 2019 5:40:15 AM com.dynamo.bob.bundle.IOSBundler bundleApplication
INFO: Entering IOSBundler.bundleApplication()
Aug 19, 2019 5:40:15 AM com.dynamo.bob.bundle.IOSBundler bundleApplication
INFO: armv7-darwin exe: /tmp/14892274847907064842/armv7-darwin/dmengine_release (2160008 
bytes)
Aug 19, 2019 5:40:15 AM com.dynamo.bob.bundle.IOSBundler bundleApplication
INFO: arm64-darwin exe: /tmp/14892274847907064842/arm64-darwin/dmengine_release (2550088 
bytes)
Aug 19, 2019 5:40:15 AM com.dynamo.bob.bundle.IOSBundler bundleApplication
INFO: Bundling to /home/circleci/project/build/default/SpaceShooter.app
Aug 19, 2019 5:40:15 AM com.dynamo.bob.bundle.IOSBundler bundleApplication
INFO: Code signing enabled.
Exception in thread "main" com.dynamo.bob.CompileExceptionError: /libexec/x86_64-linux/lipo 
could not be found locally, create an application manifest to build the engine remotely.
at com.dynamo.bob.Project.build(Project.java:447)
at com.dynamo.bob.Bob.main(Bob.java:557)
Caused by: java.lang.RuntimeException: /libexec/x86_64-linux/lipo could not be found locally, create 
an application manifest to build the engine remotely.
at com.dynamo.bob.Bob.getExeWithExtension(Bob.java:262)
at com.dynamo.bob.Bob.getExes(Bob.java:202)
at com.dynamo.bob.Bob.getExe(Bob.java:208)
at com.dynamo.bob.bundle.IOSBundler.bundleApplication(IOSBundler.java:326)
at com.dynamo.bob.Project.bundle(Project.java:588)
at com.dynamo.bob.Project.doBuild(Project.java:902)
at com.dynamo.bob.Project.build(Project.java:437)
... 1 more

I am able to build for iOS locally by using defold itself instead of bob.jar. I would also like to point out arm64-darwin platform errors out and says it is not supported but the docs say it is:

I am using openjdk 11 on Debian Jessie. Thanks for the help

You can only bundle iOS builds from a mac. I’m guessing Circle-CI runs Linux?