build cdt source code failed

[duanli1985]

I import cdt source code 12.3.0 in eclipse for committers version,
import as Maven project ,it occurs error,it apperars dialog
your ide is missing natures to properly support your projects
some extensions on the eclipse markplace can be installed to support those natures
com.soyatec addtitional Nature
org.eclipse.cdt.core.ccnature
org.eclipse.cdt.ore.cnature

[jonahgraham]

I have this preference off so I didn't get that prompt:

However, we should make it work by including CDT, and removing the no longer used soyatec reference. PRs incoming.