From: Thomas Huth <thuth@redhat.com>

Without this linker flag, the linking fails on NetBSD v10.1 with:

 ld: i386 architecture of input file `multiboot.o' is incompatible with i386:x86-64 output
 ld: i386 architecture of input file `multiboot_dma.o' is incompatible with i386:x86-64 output

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20260121074819.29396-1-thuth@redhat.com>
(cherry picked from commit e4f1a9b1dacb4d02500629056551b1db2985429c)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

diff --git a/pc-bios/optionrom/Makefile b/pc-bios/optionrom/Makefile
index 30d07026c7..e6674a76e7 100644
--- a/pc-bios/optionrom/Makefile
+++ b/pc-bios/optionrom/Makefile
@@ -36,7 +36,7 @@ config-cc.mak: Makefile
 	    $(call cc-option,-Wno-array-bounds)) 3> config-cc.mak
 -include config-cc.mak
 
-override LDFLAGS = -nostdlib -Wl,--build-id=none,-T,$(SRC_DIR)/flat.lds
+override LDFLAGS = -nostdlib -Wl,--build-id=none,-T,$(SRC_DIR)/flat.lds,-m,elf_i386
 
 pvh.img: pvh.o pvh_main.o
 
-- 
2.47.3