Build setting 'headerSearchPath' contains invalid component(s): $(SRCROOT)

[SDGGiesbrecht (Jeremy David Giesbrecht)]

The code rejecting “$(SRCROOT)” was written by @Aciid. Maybe he (or @abertelrud or @NeoNacho) can tell us how it is supposed to be done.

Background:

headerSearchPath issue

For a .headerSearchPath with multiple paths, Xcode is concatenating the paths into a single path and the builds are failing. The directive works fine for building the package itself but fails when the package is imported into an Xcode 11 beta 2 app. .headerSearchPath("$(SRCROOT)/Firebase $(SRCROOT)/GoogleUtilities/Logger/Private"), from https://github.com/firebase/firebase-ios-sdk/blob/5eb7513c7c5e2aa631c61c7ae309bce4dbe9ae98/Package.swift#L71. From the Xcode build pane: -I/Users/paulbeuster…