+++ This bug was initially created as a clone of Bug #663289 +++

+++ This bug was initially created as a clone of Bug #651328 +++

Description of problem:

trying to rpmbuild --rebuild glib-2.27.3 src.rpm from koji to address bug 651328.

Found build process calls dtrace" from systemtap to generate object file, then, do non-standard linking with libtool:

================
dtrace -G -s glib_probes.d -o glib_probes.o
...
/bin/sh ../libtool  --tag=CC   --mode=link gcc  -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -
march=i686 -mtune=atom -fasynchronous-unwind-tables -Wl,-Bsymbolic-functions  -version-info 2704:0:2704 -export-dynamic  -export-symbols-regex "^g.*" -m32 -o libglib-2.0.la -rpath /usr/lib garray.lo gasyncqueue.lo gatomic-gcc.lo gbacktrace.lo gbase64.lo gbitlock.lo gbookmarkfile.lo gbuffer.lo gcache.lo gchecksum.lo gcompletion.lo gconvert.lo gdataset.lo gdate.lo gdatetime.lo gdir.lo gerror.lo gfileutils.lo ghash.lo ghook.lo ghostutils.lo giochannel.lo gkeyfile.lo glist.lo gmain.lo gmappedfile.lo gmarkup.lo gmem.lo gmessages.lo gnode.lo goption.lo gpattern.lo gpoll.lo gprimes.lo gqsort.lo gqueue.lo grel.lo grand.lo gregex.lo gscanner.lo gsequence.lo gshell.lo gslice.lo gslist.lo gstdio.lo gstrfuncs.lo gstring.lo gtestutils.lo gthread.lo gthreadpool.lo gtimer.lo gtimezone.lo gtree.lo guniprop.lo gutf8.lo g
unibreak.lo gunicollate.lo gunidecomp.lo gurifuncs.lo gutils.lo gvariant.lo gvariant-core.lo gvariant-parser.lo gvariant-serialiser.lo gvarianttypeinfo.lo gvarianttype.lo gprintf.lo libcharset/libcharset.la  giounix.lo gspawn.lo    pcre/libpcre.la -lrt glib_probes.o 
*** Warning: Linking the shared library libglib-2.0.la against the non-libtool
*** objects  glib_probes.o is not portable!
====================

This works alright on straight "rpmbuild --rebuild" but fails with "rpmbuild --target=i686 --rebuild" (from an x86_64 host) . But without being about to do the latter, it is less useful on biarch systems.

This problem can be worked around by manually editing /usr/bin/trace , towards the end, around the line :
      call(["gcc", "-fPIC"] ....
to 
      call(["gcc", "-m32", "-fPIC"] ....
but obviously this is not an ideal solution.

Either glib2 should use libtool properly all the way, or systemtap/dtrace should honour LDFLAGS/CFLAGS/FFLAGS (or whatever mechanisms to add "-m32" for building on multiarch systems).

--- Additional comment from scox on 2011-05-05 13:54:35 EDT ---

commit: b1568fd85e Dtrace script should honor $CPP, $CC, $CFLAGS

--- Additional comment from endoflife on 2012-08-16 18:40:16 EDT ---

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