tree e0bc7d55c7f93a488bdf968e72798f16e67fcbd6
parent 29b8ee492ec33dbd6f2f25203705803cb70b28e4
author Mathis Logemann <mathisloge@gmail.com> 1622549202 +0200
committer GitHub <noreply@github.com> 1622549202 +0300
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[CMake] add build interface (#669)

If you add nanopb as a submodule. The headers won't be available correctly when building other projects in the superbuild.

Therefore I've added the `$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>`