djb-config: Improved runit/djb-config to s/gcc/$CC/ in conf-cc and conf-ld when cross compiling

base/runit/djb-config

@@ -68,6 +68,16 @@ if [ "$createdocs" != "0" ]; then
 	hook_add postdoc 2 'pkg_djb_installdoc $pkg_djb_hierarchy'
 fi
 
+if atstage cross; then
+	# adjust conf-cc and conf-ld files for using the cross-compiler
+	pkg_djb_crosscc() {
+		echo_warning "Adjusting config files for cross-compiling"
+		sed -i "s,gcc,$CC,g" \
+			src/conf-cc src/conf-ld
+	}
+	hook_add premake 5 "pkg_djb_crosscc"
+fi
+
 # custmain
 #
 custmain="pkg_djb_main"