[BLFS Trac] #2972: libdrm-2.1.15

BLFS Trac trac at linuxfromscratch.org
Fri Oct 23 17:31:57 PDT 2009

#2972: libdrm-2.1.15
 Reporter:  trent.shea  |       Owner:  blfs-book@…                   
     Type:  task        |      Status:  new                           
 Priority:  normal      |   Milestone:  6.5                           
Component:  BOOK        |     Version:  SVN                           
 Severity:  normal      |    Keywords:                                

Comment(by trent.shea):

 Replying to [comment:1 conathan]:
 > I compiled that on my linux system, and when compiling for 32bit, it
 failed due to
 > In file included from intel_bufmgr_gem.c:56:
 > intel_atomic.h:58:2: error: #error libdrm-intel requires atomic
 operations, please define them for your CPU/compiler.

 That's the same error message - thanks for including it.

 > I found http://bugs.freedesktop.org/show_bug.cgi?id=24381 that suggested
 -march=i686, and it compiled.

 Thanks, I just purged libatomic-ops and tried:
 CFLAGS=march=native ./configure && make and drm built for me, too.
 Actually, a git pull from today didn't require libatomic-ops or march=*.

 > Note: I am currently using a multilib system.  This may affect the my
 > I did not use the atomic_ops package, nor did I see any
 warning/information that I may want it when compiling libdrm.
 There's notes about atomic_ops in the git master branch, along with a few
 other suggestions:

 Quote from the drm configure file:
 AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not
 found for your compiler/cpu. Try compiling with -march=native, or install
 the libatomics-op-dev package, or, failing both of those, disable support
 for Intel GPUs by passing --disable-intel to ./configure])

 Another note with drm - this time pulled from git 20091023, I also
 observed this behaviour with 2.1.15, though. I just built Xorg-7.5 with
 MesaLib-7.6 and MesaGLUT-7.6 and had to comment out the DRI line in
 /etc/udev/rules.d/55-lfs.rules or I wouldn't get /dev/dri/card0. Can
 anyone confirm this?

Ticket URL: <http://wiki.linuxfromscratch.org/blfs/ticket/2972#comment:2>
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