minijail: fix build on ppc64le*

Big endian is not supported.

srcpkgs/minijail/patches/ppc.patch

@@ -0,0 +1,16 @@
+These are defined on ppc* in included headers but their values refer to things
+that are in headers which are not included. Additionally, ELF_GREG_TYPE refers
+to a typedef, which is not a constant value. So undef them, just like some
+others are already undef'd for other platforms above that.
+
+--- gen_constants-inl.h
++++ gen_constants-inl.h
+@@ -24,3 +24,8 @@
+ // build errors on such broken systems.
+ #undef BLKTRACESETUP
+ #undef FS_IOC_FIEMAP
++#undef ELF_ARCH
++#undef ELF_CLASS
++#undef ELF_DATA
++#undef ELF_GREG_TYPE
++#undef FIOQSIZE

srcpkgs/minijail/template

@@ -12,6 +12,10 @@ homepage="https://android.googlesource.com/platform/external/minijail"
 distfiles="https://gitlab.com/chinstrap/minijail/-/archive/linux-v${version}/minijail-linux-v${version}.tar.gz"
 checksum=29334d1bcd16c1ea09e49cef3b47a000e98be7ffe7fa9a28c8cab81643033612
 
+if [ "$XBPS_TARGET_ENDIAN" = "be" ]; then
+	broken="bpf.h:110:2: error: #error Unsupported endianness"
+fi
+
 do_install() {
 	vbin minijail0
 	vmkdir usr/lib