iOS build freeze on ProcessPCH

[peterpeterparker]

Description:

Hi,

I'm using NodeJS v12, Cordova v9 and the Firebase plugin for such target (https://github.com/dpa99c/cordova-plugin-firebase).

When I try to build the app running ionic cordova build ios the build will hang on the step ProcessPCH.

Interesting thing, if I do run ionic cordova prepare ios followed by cordova build ios, instead of the above command, then the build will succeed.

It's also worth to notice that I could build the app with success in Xcode too.

Sample repo:

Here's a sample repo to reproduce the problem:

https://github.com/peterpeterparker/ios-build-freeze

Steps to Reproduce:

git clone https://github.com/peterpeterparker/ios-build-freeze && cd ios-build-freeze
npm install
ionic cordova platform add ios@latest
ionic cordova build ios

Output:

ProcessPCH /Users/myProject/platforms/ios/build/sharedpch/SharedPrecompiledHeaders/10438514788408785055/MyApp-Prefix.pch.gch /Users/myProject/platforms/ios/MyApp/MyApp-Prefix.pch normal x86_64 objective-c com.apple.compilers.llvm.clang.1_0.compiler (in target: MyApp)
cd /Users/myProject/platforms/ios
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x .... (a lot of lines) ... 8408785055/MyApp-Prefix.pch.dia

My ionic info:

Ionic:

   Ionic CLI                     : 5.0.3 (/usr/local/lib/node_modules/ionic)
   Ionic Framework               : @ionic/angular 4.5.0
   @angular-devkit/build-angular : 0.13.9
   @angular-devkit/schematics    : 7.3.9
   @angular/cli                  : 7.3.9
   @ionic/angular-toolkit        : 1.5.1

Cordova:

   Cordova CLI       : 9.0.0 (cordova-lib@9.0.1)
   Cordova Platforms : android 8.0.0, ios 5.0.1
   Cordova Plugins   : cordova-plugin-ionic-keyboard 2.1.3, cordova-plugin-ionic-webview 4.1.0, (and 11 other plugins)

Utility:

   cordova-res : 0.3.0
   native-run  : not installed

System:

   ios-deploy : 1.9.4
   ios-sim    : 8.0.1
   NodeJS     : v12.4.0 (/usr/local/bin/node)
   npm        : 6.9.0
   OS         : macOS Mojave
   Xcode      : Xcode 10.2.1 Build version 10E1001

Other Information:

This issue is a follow up of the issue we discussed and analyzed in the plugin repo respectively dpa99c/cordova-plugin-firebasex#5

[peterpeterparker]

There was a solution in the plugin, see dpa99c/cordova-plugin-firebasex#5 (comment)