Re: [Xen-devel] Xen 4.1.0 RC2 released,

[Nathan March <nathan@xxxxxx>]

On 1/28/2011 12:53 AM, Ian Campbell wrote:
> Can you confirm further back in your logs that libxenctrl actually
> linked against -ldl correctly (it does in my build at least)? Also "ldd
> tools/libxc/libxenctrl.so" should list libdl I think.
Does not appear to be:

xen5 xen-unstable.hg # ldd tools/libxc/libxenctrl.so
        linux-vdso.so.1 =>  (0x00007fff594c1000)
        libpthread.so.0 => /lib/libpthread.so.0 (0x00007ff09b7f6000)
        libc.so.6 => /lib/libc.so.6 (0x00007ff09b49a000)
        /lib64/ld-linux-x86-64.so.2 (0x00007ff09bc41000)

The gcc line:

gcc -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls -m64 -g 
-fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes 
-Wno-unused-value -Wdeclaration-after-statement  -D__XEN_TOOLS__ -MMD 
-MF .libxenctrl.so.4.0.0.d  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 
-D_GNU_SOURCE -I../../xen/common/libelf -Werror -Wmissing-prototypes  
-I. -I../xenstore -I../include    -L. -Wl,-soname -Wl,libxenctrl.so.4.0 
-ldl -shared -o libxenctrl.so.4.0.0 xc_core.opic xc_core_x86.opic 
xc_cpupool.opic xc_domain.opic xc_evtchn.opic xc_gnttab.opic 
xc_misc.opic xc_acm.opic xc_flask.opic xc_physdev.opic xc_private.opic 
xc_sedf.opic xc_csched.opic xc_csched2.opic xc_arinc653.opic 
xc_tbuf.opic xc_pm.opic xc_cpu_hotplug.opic xc_resume.opic xc_tmem.opic 
xc_mem_event.opic xc_mem_paging.opic xc_mem_access.opic xc_memshr.opic 
xc_hcall_buf.opic xc_foreign_memory.opic xtl_core.opic 
xtl_logger_stdio.opic xc_pagetab.opic xc_linux.opic xc_linux_osdep.opic 
-lpthread
Usually when I've run into this in the past it's just been an issue of 
putting them in the correct order, take a look at "Importance of linking 
order" here: http://www.gentoo.org/proj/en/qa/asneeded.xml
I've also attached the full make output from tools/libxc.

- Nathan

Attachment: libxc_make.txt
Description: Text document

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