bootlader/grub2: disable x86-64-efi choice on !BR2_ARCH_IS_64

When x86-64-efi platform is selected, grub2 automatically adds -m64 to the
CFLAGS. This makes the configure script failed when the toolchain does not
have multilib support (like the Buildroot ones).

Reported-by: Noe Rubinstein <nrubinstein@aldebaran-robotics.com>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/boot/grub2/Config.in b/boot/grub2/Config.in
index 626344a3cb298d94846c97d7330d0ce9673b1025..c465a4d9ea5b853bedb3e7013508caad1de89456 100644 (file)
--- a/boot/grub2/Config.in
+++ b/boot/grub2/Config.in
@@ -132,6 +132,7 @@ config BR2_TARGET_GRUB2_I386_EFI
 
 config BR2_TARGET_GRUB2_X86_64_EFI
        bool "x86-64-efi"
+       depends on BR2_ARCH_IS_64
        help
          Select this option if the platform you're targetting has a
          64 bits EFI BIOS.