meson: Fix build with --optimization=plain

Note that -O0 is deliberately filtered out as we have to compile with at
least -O1 due to #24202.

Fixes: #24323

diff --git a/src/boot/efi/meson.build b/src/boot/efi/meson.build
index e0cd4ebad993490d1c6f219909818ef79a87f064..395386d3eda70a74e1bb08ac8005dac41f371252 100644 (file)
--- a/src/boot/efi/meson.build
+++ b/src/boot/efi/meson.build
@@ -223,7 +223,7 @@ endif
 if get_option('debug') and get_option('mode') == 'developer'
         efi_cflags += ['-ggdb', '-DEFI_DEBUG']
 endif
-if get_option('optimization') != '0'
+if get_option('optimization') in ['1', '2', '3', 's', 'g']
         efi_cflags += ['-O' + get_option('optimization')]
 endif
 if get_option('b_ndebug') == 'true' or (