gnustep-base/gnustep-base: call pkg-config via toolchain-funcs.eclass helper

This ensures we call the correct pkg-config in e.g. cross.

Package-Manager: Portage-3.0.14-prefix, Repoman-3.0.2
Signed-off-by: Sam James <sam@gentoo.org>

gnustep-base/gnustep-base/gnustep-base-1.27.0.ebuild

@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-inherit eutils gnustep-base
+inherit eutils gnustep-base toolchain-funcs
 
 DESCRIPTION="A library of general-purpose, non-graphical Objective C objects"
 HOMEPAGE="http://www.gnustep.org"
@@ -38,7 +38,7 @@ src_configure() {
 
 	local myconf
 	if use libffi ; then
-		myconf="--enable-libffi --disable-ffcall --with-ffi-include=$(pkg-config --variable=includedir libffi)"
+		myconf="--enable-libffi --disable-ffcall --with-ffi-include=$($(tc-getPKG_CONFIG) --variable=includedir libffi)"
 	else
 		myconf="--disable-libffi --enable-ffcall"
 	fi