Re: modpost error message with -j builds

From: Sam Ravnborg
Date: Tue Jun 10 2008 - 06:38:34 EST


On Tue, Jun 10, 2008 at 01:25:23PM +0300, Adrian Bunk wrote:
> I just say the following with a -j 2 build:
>
> <-- snip -->
>
> ...
> CHECK include/linux/version.h
> LD vmlinux
> SYSMAP System.map
> SYSMAP .tmp_System.map
> Building modules, stage 2.
> MODPOST 222 modules
> CC arch/x86/boot/a20.o
> CC arch/x86/boot/cmdline.o
> AS arch/x86/boot/copy.o
> HOSTCC arch/x86/boot/mkcpustr
> CC arch/x86/boot/cpucheck.o
> CC arch/x86/boot/edd.o
> AS arch/x86/boot/compressed/head_64.o
> CC arch/x86/boot/compressed/misc.o
> ERROR: "____ilog2_NaN" [drivers/usb/core/usbcore.ko] undefined!
> make[1]: *** [__modpost] Error 1
> make: *** [modules] Error 2
> make: *** Waiting for unfinished jobs....
> CC arch/x86/boot/main.o
> CC arch/x86/boot/mca.o
> CC arch/x86/boot/memory.o
> CC arch/x86/boot/pm.o
> AS arch/x86/boot/pmjump.o
> CC arch/x86/boot/printf.o
> CC arch/x86/boot/string.o
> OBJCOPY arch/x86/boot/compressed/vmlinux.bin
> CC arch/x86/boot/tty.o
> GZIP arch/x86/boot/compressed/vmlinux.bin.gz
> CC arch/x86/boot/video.o
> CC arch/x86/boot/video-mode.o
> CC arch/x86/boot/version.o
> CC arch/x86/boot/video-vga.o
> CC arch/x86/boot/video-vesa.o
> CC arch/x86/boot/video-bios.o
> HOSTCC arch/x86/boot/tools/build
> CPUSTR arch/x86/boot/cpustr.h
> CC arch/x86/boot/cpu.o
> LD arch/x86/boot/compressed/piggy.o
> LD arch/x86/boot/compressed/vmlinux
> OFFSETS arch/x86/boot/offsets.h
> OBJCOPY arch/x86/boot/vmlinux.bin
> AS arch/x86/boot/header.o
> LD arch/x86/boot/setup.elf
> OBJCOPY arch/x86/boot/setup.bin
> BUILD arch/x86/boot/bzImage
> Root device is (8, 1)
> Setup is 12252 bytes (padded to 12288 bytes).
> System is 2498 kB
> CRC ee7ee55
> Kernel: arch/x86/boot/bzImage is ready (#1)
>
> <-- snip -->
>
> It would be good if there was a last line "ERROR: ..." when the build
> finished with a non-zero return value.

Agree. But I do not know how to teach make to do so.
If anyone have some hints I'm interested.

Sam
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