Compilation failure with WITH_DTRACE_TESTS on mips/mips and powerpc/powerpc; it's trying to compile a host object on mips/powerpc because MAKEOBJDIRPREFIX is incorrect

[Bryan Drewery]

On 10/30/2015 2:21 PM, Bryan Drewery wrote:
> On 10/30/2015 1:57 PM, NGie Cooper wrote:
>> Hi Bryan/Simon!
>> 	I tried doing buildworld on powerpc/powerpc with -DWITH_DTRACE_TESTS and I ran into this linker issue below. I have no idea (yet) why it’s trying to compile an x64 object when I specify powerpc/powerpc — and more importantly, why is the object not being put in obj.powerpc?
>> 	I ran into the same issue on ref11-amd64.freebsd.org when I ran “make tinderbox".
>> Thanks!
>> -NGie
>>
> 
> Have you modified any of your local toolchain handling, or skipped
> CLANG_BOOTSTRAP? I would expect this to be failing much more broadly and
> there to be a lot more reports if there was a problem with buildworld
> cross compiling.
> 
>> % make buildworld TARGET=powerpc TARGET_ARCH=powerpc
>> …
>> ===> cddl/usr.sbin/dtrace/tests/common/json (all)
>> (cd /usr/src/svn/cddl/usr.sbin/dtrace/tests/common/json &&  DEPENDFILE=.depend.tst.usdt.exe  NO_SUBDIR=1 make -f /usr/src/svn/cddl/usr.sbin/dtrace/tests/common/json/Makefile _RECURSING_PROGS=  PROG=tst.usdt.exe )
>> cc  -O2 -pipe -fno-strict-aliasing -O2 -pipe   -O0 -g -I/usr/obj/powerpc.powerpc/usr/src/svn/cddl/usr.sbin/dtrace/tests/common/json -std=gnu99 -fstack-protector-strong    -c /usr/src/svn/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/json/tst.usdt.c -o tst.usdt.o
>> dtrace -C -x nolibs -G -o usdt.o -s /usr/src/svn/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/json/usdt.d tst.usdt.o
>> dtrace: failed to link script /usr/src/svn/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/json/usdt.d: incorrect ELF machine type for object file: tst.usdt.o
>> *** Error code 1
>> $ find /usr/obj/usr/src/svn/ -name tst.usdt.o
>> /usr/obj/usr/src/svn/cddl/usr.sbin/dtrace/tests/common/json/tst.usdt.o
>> $ file /usr/obj/usr/src/svn/cddl/usr.sbin/dtrace/tests/common/json/tst.usdt.o
>> /usr/obj/usr/src/svn/cddl/usr.sbin/dtrace/tests/common/json/tst.usdt.o: ELF 64-bit LSB relocatable, x86-64, version 1 (FreeBSD), not stripped
>>

I ran a buildworld with TARGET=powerpc just a few days ago and it seemed
to be fine with PROGS.  Here's a test object built via PROGS:

~/git/freebsd # find /usr/obj/powerpc.powerpc -name ld_library_pathfds.o
/usr/obj/powerpc.powerpc/root/git/freebsd/libexec/rtld-elf/tests/ld_library_pathfds.o
~/git/freebsd # file
/usr/obj/powerpc.powerpc/root/git/freebsd/libexec/rtld-elf/tests/ld_library_pathfds.o
/usr/obj/powerpc.powerpc/root/git/freebsd/libexec/rtld-elf/tests/ld_library_pathfds.o:
ELF 32-bit MSB relocatable, PowerPC or cisco 4500, version 1 (FreeBSD),
not stripped
-rw-r--r--  1 root  wheel  21136 Oct 23 17:08
/usr/obj/powerpc.powerpc/root/git/freebsd/libexec/rtld-elf/tests/ld_library_pathfds.o

I see nothing special with the DTRACE_TESTS to change any of this.

-- 
Regards,
Bryan Drewery

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