meson: abort if the host architecture isn't known

Instead of continuing and likely failing weirdly later, exit out early
if the host architecture isn't recognised.

diff --git a/meson.build b/meson.build
index 73f3121715dc0c9aaf24a7e5420ad2361a0f1c95..12857f1dec39215de8ad81eb03af61ca14abda80 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -29,8 +29,7 @@ elif host_cpu == 'aarch64'
         EFI_MACHINE_TYPE_NAME = 'aa64'
         gnu_efi_arch = 'aarch64'
 else
-        EFI_MACHINE_TYPE_NAME = ''
-        gnu_efi_arch = ''
+        error('Unknown host_cpu ' + host_cpu)
 endif
 
 # sanity check the packager set this to *SOMETHING*