Bug 598617 – dev-util/bcc-0.2.0 fails to compile (bcc_elf.c:76:5: error: unknown type name ‘GElf_Nhdr’)

• Status: RESOLVED FIXED
• Product: Gentoo Linux

[Description Thomas Stein 2016-10-31 10:54:19 UTC]

Hello Devs.

I am not able to install dev-util/bcc-0.2.0. Compilation fails. See attached build.log

thanks and cheers

Reproducible: Always

[Comment 1 Thomas Stein 2016-10-31 10:55:21 UTC]

Created attachment 451977 [details]
build.log

[Comment 2 Tomáš Mózes 2016-11-01 08:18:31 UTC]

Created attachment 452064 [details]
build_fail_libelf.log

My failed without libelf installed, but then passed ok.

[Comment 3 Zac Medico 2016-11-01 16:02:57 UTC]

Added elfutils dep and revbumped to  bcc-0.2.0-r1:

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=9910600210a6502962f4f4a3e728819f2d77be1e
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3193941f56a8da20eeff0aa31c08cb8a906ee450

[Comment 4 Zac Medico 2016-11-01 16:15:01 UTC]

(In reply to Thomas Stein from comment #1)
> Created attachment 451977 [details]
> build.log

Made it require at least elfutils-0.166 which declares GElf_Nhdr in /usr/include/gelf.h: 

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=d6036965c7e48128532daae1218dc58d0c8548cc

[Comment 5 Thomas Stein 2016-11-02 09:25:50 UTC]

Hello Zac.

I guess there is need for another adjustment. HAVE_BPF_JIT does not exist anymore on newer kernels. https://patchwork.ozlabs.org/patch/622081/

cheers
t.

[Comment 6 Zac Medico 2016-11-02 20:02:38 UTC]

(In reply to Thomas Stein from comment #5)
> Hello Zac.
> 
> I guess there is need for another adjustment. HAVE_BPF_JIT does not exist
> anymore on newer kernels. https://patchwork.ozlabs.org/patch/622081/
> 
> cheers
> t.

Thanks, this should fix it:

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=5e087d7a86951946c6fc75f272a476f7dc7771ea