crossdev: special-case bpf

Avoid needing to pass -s1/-s2 manually: C-only and no linux-headers.

Signed-off-by: Sam James <sam@gentoo.org>

Author: thesamesam

crossdev

@@ -270,6 +270,13 @@ parse_target() {
 			WITH_DEF_HEADERS="no"
 			;;
 
+		bpf*)
+			# Doesn't support C++ and friends
+			STAGE_DEFAULT=${STAGE_C_ONLY}
+			# No linux-headers needed/required
+			WITH_DEF_HEADERS="no"
+			;;
+
 		# Has no glibc support yet (or even ABI defined). Can
 		# only compile linux kernel:
 		# https://parisc.wiki.kernel.org/index.php/Userspace64