[lttng-dev] lttng-ust cross compile broken for demo-tracef

[Jan Glauber]

Yes:
$ which arm-linux-gnueabihf-gcc
/usr/bin/arm-linux-gnueabihf-gcc

IIRC the examples have not been build by default in the past, right?


2014-04-07 16:20 GMT+02:00 Jérémie Galarneau <jeremie.galarneau at efficios.com
>:

> On Mon, Apr 7, 2014 at 10:10 AM, Jan Glauber <jan.glauber at gmail.com>
> wrote:
> > Sure, it looks like there is a problem with python in lttng-get-tp:
> >
> > | make[4]: Entering directory
> >
> `/home/jang/temp/p4/JGlauber_hal_share/poky/build/tmp/work/armv7ahf-vfp-neon-elina-linux-gnueabi/lttng-ust-2.4-r0/git/doc/examples/gen-tp'
> > | ../../../tools/lttng-gen-tp -o sample_tracepoint.c
> sample_tracepoint.tp
> > |
> >
> CPPFLAGS="-isystem/home/jang/temp/p4/JGlauber_hal_share/poky/../toolchain//arm-linux-gnueabihf/include
> >
> -isystem/home/jang/temp/p4/JGlauber_hal_share/poky/../toolchain//arm-linux-gnueabihf/include
> > -I../../../include/ -I../../../include/" \
> > |       CFLAGS="-Wall
> >
> -isystem/home/jang/temp/p4/JGlauber_hal_share/poky/../toolchain//arm-linux-gnueabihf/include
> > -O2 -pipe -g -feliminate-unused-debug-types -fno-omit-frame-pointer -Wall
> >
> -isystem/home/jang/temp/p4/JGlauber_hal_share/poky/../toolchain//arm-linux-gnueabihf/include
> > -O2 -pipe -g -feliminate-unused-debug-types -fno-omit-frame-pointer" \
> > |
> >
> LDFLAGS="-L/home/jang/temp/p4/JGlauber_hal_share/poky/../toolchain//arm-linux-gnueabihf/lib
> >
> -Wl,-rpath-link,/home/jang/temp/p4/JGlauber_hal_share/poky/../toolchain//arm-linux-gnueabihf/lib
> > -Wl,-O1 -Wl,--hash-style=gnu
> >
> -L/home/jang/temp/p4/JGlauber_hal_share/poky/../toolchain//arm-linux-gnueabihf/lib
> >
> -Wl,-rpath-link,/home/jang/temp/p4/JGlauber_hal_share/poky/../toolchain//arm-linux-gnueabihf/lib
> > -Wl,-O1 -Wl,--hash-style=gnu -L../../../liblttng-ust/.libs/
> >
> -Wl,-rpath="/home/jang/temp/p4/JGlauber_hal_share/poky/build/tmp/work/armv7ahf-vfp-neon-elina-linux-gnueabi/lttng-ust-2.4-r0/git/doc/examples/../../liblttng-ust/.libs/""
> > \
> > |       CC="arm-linux-gnueabihf-gcc  -march=armv7-a     -mthumb-interwork
> > -mfloat-abi=hard -mfpu=neon -mtune=cortex-a15
> >
> --sysroot=/home/jang/temp/p4/JGlauber_hal_share/poky/build/tmp/sysroots/omap5"
> > \
> > |       ../../../tools/lttng-gen-tp -o sample_tracepoint.o
> > sample_tracepoint.tp
> > | Invalid CC environment variable
>
> Okay, this means that subprocess.call(cc, ...) (lttng-gen-tp:108)
> fails while trying to run your CC variable. Is arm-linux-gnueabihf-gcc
> in your PATH?
>
> Jérémie
>
> > | Traceback (most recent call last):
> > |   File "../../../tools/lttng-gen-tp", line 315, in <module>
> > |     sys.exit(main())
> > |   File "../../../tools/lttng-gen-tp", line 309, in main
> > |     dotobj.write()
> > |   File "../../../tools/lttng-gen-tp", line 132, in write
> > |     raise RuntimeError("No C Compiler detected")
> > | RuntimeError: No C Compiler detected
> > | make[4]: *** [sample_tracepoint.o] Error 1
> > | rm sample_tracepoint.c
> > | make[4]: Leaving directory
> >
> `/home/jang/temp/p4/JGlauber_hal_share/poky/build/tmp/work/armv7ahf-vfp-neon-elina-linux-gnueabi/lttng-ust-2.4-r0/git/doc/examples/gen-tp'
> > | make[3]: *** [all-local] Error 1
> >
> > --Jan
> >
> >
> > 2014-04-07 15:57 GMT+02:00 Jérémie Galarneau
> > <jeremie.galarneau at efficios.com>:
> >
> >> Hi Jan,
> >>
> >> Can you post the errors you get if you set the "CC=gcc" line in
> >> demo-tracef/Makefile by
> >>
> >> ifdef AM_CC
> >>     CC = $(AM_CC)
> >> endif
> >>
> >> Regards,
> >> Jérémie
> >>
> >> On Mon, Apr 7, 2014 at 7:43 AM, Jan Glauber <jan.glauber at gmail.com>
> wrote:
> >> > Hi list,
> >> >
> >> > I get a compile error with current git head of lttng-ust if I
> >> > cross-compile (bitbake):
> >> >
> >> > | make[4]: Entering directory
> >> >
> `/home/jang/temp/p4/JGlauber_hal_share/poky/build/tmp/work/armv7ahf-vfp-neon-elina-linux-gnueabi/lttng-ust-2.4-r0/git/doc/examples/demo-tracef'
> >> > | arm-linux-gnueabihf-gcc  -march=armv7-a     -mthumb-interwork
> >> > -mfloat-abi=hard -mfpu=neon -mtune=cortex-a15
> >> >
> --sysroot=/home/jang/temp/p4/JGlauber_hal_share/poky/build/tmp/sysroots/omap5
> >> > -L/home/jang/te
> >> > |               -o demo-tracef demo-tracef.o -ldl -llttng-ust
> >> > | demo-tracef.o: file not recognized: File format not recognized
> >> > | collect2: error: ld returned 1 exit status
> >> > | make[4]: *** [demo-tracef] Error 1
> >> >
> >> > Looks like the demo-tracef Makefile sets CC hard to gcc. But if I fix
> >> > this I get more
> >> > errors which I don't undertand. Am I the only one running into this?
> >> >
> >> > thx, Jan
> >> > ---
> >> > Harman Becker Automotive GmbH
> >> > System Profiling & Optimizing Team
> >> >
> >> > _______________________________________________
> >> > lttng-dev mailing list
> >> > lttng-dev at lists.lttng.org
> >> > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
> >>
> >>
> >>
> >> --
> >> Jérémie Galarneau
> >> EfficiOS Inc.
> >> http://www.efficios.com
> >
> >
>
>
>
> --
> Jérémie Galarneau
> EfficiOS Inc.
> http://www.efficios.com
>
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