On Mon, Apr 07, 2014 at 12:32:18PM -0400, Jérémie Galarneau wrote: > On Mon, Apr 7, 2014 at 10:29 AM, Jan Glauber <[email protected]> wrote: > > 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? > > They have been for around a year. I think I found the issue: > lttng-gen-tp doesn't expect the CC variable to contain command line > arguments.
I've been on version 2.2. > Can you apply and test the following diff? Yes, that fixes the issue! Many thanks, Jan > diff --git a/tools/lttng-gen-tp b/tools/lttng-gen-tp > index a3a01f2..b62cd99 100755 > --- a/tools/lttng-gen-tp > +++ b/tools/lttng-gen-tp > @@ -94,7 +94,7 @@ class ObjFile: > if 'CC' in os.environ: > cc = os.environ['CC'] > try: > - subprocess.call(cc, > + subprocess.call(cc.split(), > stdout=subprocess.PIPE, > stderr=subprocess.PIPE) > except OSError as msg: > > > Thanks, > Jérémie > > > > > > > 2014-04-07 16:20 GMT+02:00 Jérémie Galarneau > > <[email protected]>: > > > >> On Mon, Apr 7, 2014 at 10:10 AM, Jan Glauber <[email protected]> > >> 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 > >> > <[email protected]>: > >> > > >> >> 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 <[email protected]> > >> >> 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 > >> >> > [email protected] > >> >> > 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 > > > > > > > > -- > Jérémie Galarneau > EfficiOS Inc. > http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
