[OpenWrt-Devel] undefined reference while building

[Hauke Mehrtens]

> Never mind. After a few more test and fresh git clones it seems I have
> a more general build failure. Basically any host utill with makedev,
> major or minor in it is dying. I don't understand why.
> 
> Is this a gcc 5.x thing? I updated my system recently.

......

> '/home/weedy/projects/openwrt/build_dir/host/mtd-utils-1.5.2'
>   CHK     include/version.h
>   LD      mkfs.jffs2
> mkfs.jffs2.c:944: error: undefined reference to 'major'
> mkfs.jffs2.c:944: error: undefined reference to 'minor'
> mkfs.jffs2.c:1263: error: undefined reference to 'minor'
> mkfs.jffs2.c:1263: error: undefined reference to 'major'
> mkfs.jffs2.c:1273: error: undefined reference to 'minor'
> mkfs.jffs2.c:1273: error: undefined reference to 'major'
> mkfs.jffs2.c:503: error: undefined reference to 'makedev'
> mkfs.jffs2.c:467: error: undefined reference to 'makedev'
> mkfs.jffs2.c:510: error: undefined reference to 'makedev'
> collect2: error: ld returned 1 exit status
> common.mk:80: recipe for target


Hi,

what Linux distribution are you using? What libc are you using?

makedev and co. are some more specific functions, but they should be
provided by your libc:
http://man7.org/linux/man-pages/man3/major.3.html

Hauke
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