* [Buildroot] minnowboard_max_defconfig, changes to build for 32-bit, fails in the end when installing grub @ 2017-08-27 11:57 Bin Meng 2017-08-28 7:05 ` Thomas Petazzoni 0 siblings, 1 reply; 7+ messages in thread From: Bin Meng @ 2017-08-27 11:57 UTC (permalink / raw) To: buildroot Hi, I wanted to build a 32-bit rootfs for minnowboard max, so I started by: $ make minnowboard_max_defconfig $ make menuconfig change "Target options" -> "Target Architecture" to i386, save and exit $ make It fails in the end. mkdir -p /buildroot/output/images/ /buildroot/output/host/bin/grub-mkimage -d /buildroot/output/host/lib/grub/i386-pc -O i386-pc -o /buildroot/output/images/grub.img -p "(hd0,msdos1)/boot/grub" boot linux ext2 fat squash4 part_msdos part_gpt normal efi_gop /buildroot/output/host/bin/grub-mkimage: error: cannot open `/buildroot/output/host/lib/grub/i386-pc/efi_gop.mod': No such file or directory. package/pkg-generic.mk:308: recipe for target '/buildroot/output/build/grub2-2.02/.stamp_target_installed' failed make: *** [/buildroot/output/build/grub2-2.02/.stamp_target_installed] Error 1 Am I missing anything? Regards, Bin ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Buildroot] minnowboard_max_defconfig, changes to build for 32-bit, fails in the end when installing grub 2017-08-27 11:57 [Buildroot] minnowboard_max_defconfig, changes to build for 32-bit, fails in the end when installing grub Bin Meng @ 2017-08-28 7:05 ` Thomas Petazzoni 2017-08-28 7:47 ` Bin Meng 0 siblings, 1 reply; 7+ messages in thread From: Thomas Petazzoni @ 2017-08-28 7:05 UTC (permalink / raw) To: buildroot Hello, On Sun, 27 Aug 2017 19:57:48 +0800, Bin Meng wrote: > I wanted to build a 32-bit rootfs for minnowboard max, so I started by: > > $ make minnowboard_max_defconfig > $ make menuconfig > change "Target options" -> "Target Architecture" to i386, save and exit > $ make > > It fails in the end. > > mkdir -p /buildroot/output/images/ > /buildroot/output/host/bin/grub-mkimage -d > /buildroot/output/host/lib/grub/i386-pc -O i386-pc -o > /buildroot/output/images/grub.img -p "(hd0,msdos1)/boot/grub" boot > linux ext2 fat squash4 part_msdos part_gpt normal efi_gop > /buildroot/output/host/bin/grub-mkimage: error: cannot open > `/buildroot/output/host/lib/grub/i386-pc/efi_gop.mod': No such file or > directory. > package/pkg-generic.mk:308: recipe for target > '/buildroot/output/build/grub2-2.02/.stamp_target_installed' failed > make: *** [/buildroot/output/build/grub2-2.02/.stamp_target_installed] Error 1 > > Am I missing anything? Yes: you're changing a defconfig to a different configuration, so obviously, you can get build failures. By switching to i386, grub2 is no longer configured with BR2_TARGET_GRUB2_X86_64_EFI (as specified in the defconfig), but with BR2_TARGET_GRUB2_I386_PC. But BR2_TARGET_GRUB2_BUILTIN_MODULES still contains efi_gop, which isn't built because you're no longer building an EFI-capable grub2. Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Buildroot] minnowboard_max_defconfig, changes to build for 32-bit, fails in the end when installing grub 2017-08-28 7:05 ` Thomas Petazzoni @ 2017-08-28 7:47 ` Bin Meng 2017-08-28 7:52 ` Thomas Petazzoni 0 siblings, 1 reply; 7+ messages in thread From: Bin Meng @ 2017-08-28 7:47 UTC (permalink / raw) To: buildroot Hi Thomas, On Mon, Aug 28, 2017 at 3:05 PM, Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote: > Hello, > > On Sun, 27 Aug 2017 19:57:48 +0800, Bin Meng wrote: > >> I wanted to build a 32-bit rootfs for minnowboard max, so I started by: >> >> $ make minnowboard_max_defconfig >> $ make menuconfig >> change "Target options" -> "Target Architecture" to i386, save and exit >> $ make >> >> It fails in the end. >> >> mkdir -p /buildroot/output/images/ >> /buildroot/output/host/bin/grub-mkimage -d >> /buildroot/output/host/lib/grub/i386-pc -O i386-pc -o >> /buildroot/output/images/grub.img -p "(hd0,msdos1)/boot/grub" boot >> linux ext2 fat squash4 part_msdos part_gpt normal efi_gop >> /buildroot/output/host/bin/grub-mkimage: error: cannot open >> `/buildroot/output/host/lib/grub/i386-pc/efi_gop.mod': No such file or >> directory. >> package/pkg-generic.mk:308: recipe for target >> '/buildroot/output/build/grub2-2.02/.stamp_target_installed' failed >> make: *** [/buildroot/output/build/grub2-2.02/.stamp_target_installed] Error 1 >> >> Am I missing anything? > > Yes: you're changing a defconfig to a different configuration, so > obviously, you can get build failures. > > By switching to i386, grub2 is no longer configured with > BR2_TARGET_GRUB2_X86_64_EFI (as specified in the defconfig), but with > BR2_TARGET_GRUB2_I386_PC. But BR2_TARGET_GRUB2_BUILTIN_MODULES still > contains efi_gop, which isn't built because you're no longer building > an EFI-capable grub2. > Thanks for the hints. Since I changed "Target Architecture" to i386 in menuconfig, I see the grub2 platform has also changed to "i386-pc" automatically, but the built modules (BR2_TARGET_GRUB2_BUILTIN_MODULES) remains unchanged, and that explains the build error. Is this a limitation of Kconfig that it cannot switch BR2_TARGET_GRUB2_BUILTIN_MODULES automatically? I did further testing by switching "Target Architecture" back to x86-64, and I saw grub2 platform did not change to the EFI stuff and remained as "i386-pc". Regards, Bin ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Buildroot] minnowboard_max_defconfig, changes to build for 32-bit, fails in the end when installing grub 2017-08-28 7:47 ` Bin Meng @ 2017-08-28 7:52 ` Thomas Petazzoni 2017-08-28 8:26 ` Bin Meng 0 siblings, 1 reply; 7+ messages in thread From: Thomas Petazzoni @ 2017-08-28 7:52 UTC (permalink / raw) To: buildroot Hello, On Mon, 28 Aug 2017 15:47:57 +0800, Bin Meng wrote: > Thanks for the hints. Since I changed "Target Architecture" to i386 in > menuconfig, I see the grub2 platform has also changed to "i386-pc" > automatically, but the built modules > (BR2_TARGET_GRUB2_BUILTIN_MODULES) remains unchanged, and that > explains the build error. Is this a limitation of Kconfig that it > cannot switch BR2_TARGET_GRUB2_BUILTIN_MODULES automatically? Yes. > I did further testing by switching "Target Architecture" back to > x86-64, and I saw grub2 platform did not change to the EFI stuff and > remained as "i386-pc". Yes, welcome to Kconfig :) Best regards, Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Buildroot] minnowboard_max_defconfig, changes to build for 32-bit, fails in the end when installing grub 2017-08-28 7:52 ` Thomas Petazzoni @ 2017-08-28 8:26 ` Bin Meng 2017-08-28 9:07 ` Thomas Petazzoni 0 siblings, 1 reply; 7+ messages in thread From: Bin Meng @ 2017-08-28 8:26 UTC (permalink / raw) To: buildroot Hi Thomas, On Mon, Aug 28, 2017 at 3:52 PM, Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote: > Hello, > > On Mon, 28 Aug 2017 15:47:57 +0800, Bin Meng wrote: > >> Thanks for the hints. Since I changed "Target Architecture" to i386 in >> menuconfig, I see the grub2 platform has also changed to "i386-pc" >> automatically, but the built modules >> (BR2_TARGET_GRUB2_BUILTIN_MODULES) remains unchanged, and that >> explains the build error. Is this a limitation of Kconfig that it >> cannot switch BR2_TARGET_GRUB2_BUILTIN_MODULES automatically? > > Yes. > >> I did further testing by switching "Target Architecture" back to >> x86-64, and I saw grub2 platform did not change to the EFI stuff and >> remained as "i386-pc". > > Yes, welcome to Kconfig :) > Thanks. But do you know why does Kconfig changes grub2 platform to "i386-pc" when I changed "Target Architecture" to i386. It should just remain unchanged, no? Regards, Bin ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Buildroot] minnowboard_max_defconfig, changes to build for 32-bit, fails in the end when installing grub 2017-08-28 8:26 ` Bin Meng @ 2017-08-28 9:07 ` Thomas Petazzoni 2017-08-28 9:24 ` Bin Meng 0 siblings, 1 reply; 7+ messages in thread From: Thomas Petazzoni @ 2017-08-28 9:07 UTC (permalink / raw) To: buildroot Hello, On Mon, 28 Aug 2017 16:26:24 +0800, Bin Meng wrote: > Thanks. But do you know why does Kconfig changes grub2 platform to > "i386-pc" when I changed "Target Architecture" to i386. It should just > remain unchanged, no? Look at the config option dependencies please. The minnowboard_max_defconfig has: BR2_TARGET_GRUB2_X86_64_EFI=y But BR2_TARGET_GRUB2_X86_64_EFI has "depends on BR2_ARCH_IS_64". So when you switch from x86-64 to i386, this option is no longer available. Therefore Kconfig reverts back to the first possible choice between BR2_TARGET_GRUB2_I386_PC and BR2_TARGET_GRUB2_I386_EFI. Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Buildroot] minnowboard_max_defconfig, changes to build for 32-bit, fails in the end when installing grub 2017-08-28 9:07 ` Thomas Petazzoni @ 2017-08-28 9:24 ` Bin Meng 0 siblings, 0 replies; 7+ messages in thread From: Bin Meng @ 2017-08-28 9:24 UTC (permalink / raw) To: buildroot Hi Thomas, On Mon, Aug 28, 2017 at 5:07 PM, Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote: > Hello, > > On Mon, 28 Aug 2017 16:26:24 +0800, Bin Meng wrote: > >> Thanks. But do you know why does Kconfig changes grub2 platform to >> "i386-pc" when I changed "Target Architecture" to i386. It should just >> remain unchanged, no? > > Look at the config option dependencies please. > > The minnowboard_max_defconfig has: > > BR2_TARGET_GRUB2_X86_64_EFI=y > > But BR2_TARGET_GRUB2_X86_64_EFI has "depends on BR2_ARCH_IS_64". So > when you switch from x86-64 to i386, this option is no longer > available. Therefore Kconfig reverts back to the first possible choice > between BR2_TARGET_GRUB2_I386_PC and BR2_TARGET_GRUB2_I386_EFI. Thank you. That makes perfect sense. I am pretty new to buildroot, but I should have read the manual and done some investigation myself! Regards, Bin ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2017-08-28 9:24 UTC | newest] Thread overview: 7+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2017-08-27 11:57 [Buildroot] minnowboard_max_defconfig, changes to build for 32-bit, fails in the end when installing grub Bin Meng 2017-08-28 7:05 ` Thomas Petazzoni 2017-08-28 7:47 ` Bin Meng 2017-08-28 7:52 ` Thomas Petazzoni 2017-08-28 8:26 ` Bin Meng 2017-08-28 9:07 ` Thomas Petazzoni 2017-08-28 9:24 ` Bin Meng
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