[crosstool-ng] Issue with ltrace

[Thomas Petazzoni]

Hello,

I just downloaded crosstool-ng 1.6.0 and tried to build the
arm-unknown-linux-uclibcgnueabi sample. The build fails with:

[EXTRA]    Building ltrace
[ERROR]    events.c:95: error: 'PTRACE_EVENT_FORK' undeclared (first use in this function)
[ERROR]    events.c:95: error: (Each undeclared identifier is reported only once
[ERROR]    events.c:95: error: for each function it appears in.)
[ERROR]    events.c:95: error: 'PTRACE_EVENT_VFORK' undeclared (first use in this function)
[ERROR]    events.c:95: error: 'PTRACE_EVENT_CLONE' undeclared (first use in this function)
[ERROR]    events.c:97: error: 'PTRACE_GETEVENTMSG' undeclared (first use in this function)
[ERROR]    events.c:103: error: 'PTRACE_EVENT_EXEC' undeclared (first use in this function)
[ERROR]    make[2]: *** [events.o] Error 1
[ERROR]    make[1]: *** [sysdeps/sysdep.o] Error 2
[ERROR]    Build failed in step 'Installing ltrace'

The sample selects ltrace 0.5.2, while a newer version, 0.5.3 is
available. This newer version seems to have a fix for this issue, in
the form of a patch already included in crosstool-ng:

 patches/ltrace/0.5.3/160-fix-missing-ptrace-defines.patch

So this fix should be included for ltrace 0.5.2 as well. But why aren't
these defines available in the C library ?

Cheers,

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

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