[LLVMbugs] [Bug 21345] New: Test failure when compiling with PowerPC support

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21345

            Bug ID: 21345
           Summary: Test failure when compiling with PowerPC support
           Product: tools
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: gold-plugin
          Assignee: unassignedbugs at nondot.org
          Reporter: tmroeder at google.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

If I configure with 

cmake -G Ninja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=ON
-DLLVM_BINUTILS_INCDIR=<path to binutils-2.24/include> <llvm dir>

and run 

ninja && ninja check

I get an error on one of the ld gold tests:

[139/139] Running the LLVM regression tests
FAILED: cd /usr/local/google/home/tmroeder/src/llvm/llvm-git-build/test &&
/usr/bin/python /usr/local/google/home/tmroeder/src/
llvm/llvm-git/utils/lit/lit.py -sv --param
llvm_site_config=/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/test/lit.si
te.cfg --param
llvm_unit_site_config=/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/test/Unit/lit.site.cfg
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/test
-- Testing: 11766 tests, 32 threads --
Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: LLVM :: tools/gold/mtriple.ll (10556 of 11766)
******************** TEST 'LLVM :: tools/gold/mtriple.ll' FAILED
********************
Script:
--
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/./bin/llvm-as
/usr/local/google/home/tmroeder/src/llvm/llvm-git/test/tools/gold/mtriple.ll -o
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/test/tools/gold/Output/mtriple.ll.tmp.o
ld -plugin
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/./lib/LLVMgold.so -m
elf32ppc     -plugin-opt=mtriple=powerp
c-linux-gnu    
-plugin-opt=obj-path=/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/test/tools/gold/Output/mtriple.ll.
tmp3.o     -shared
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/test/tools/gold/Output/mtriple.ll.tmp.o
-o
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/test/tools/gold/Output/mtriple.ll.tmp2
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/./bin/llvm-readobj
--file-headers /usr/local/google/home/tmroeder/src/l
lvm/llvm-git-build/test/tools/gold/Output/mtriple.ll.tmp2 |
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/./bin/FileC
heck  --check-prefix=DSO
/usr/local/google/home/tmroeder/src/llvm/llvm-git/test/tools/gold/mtriple.ll
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/./bin/llvm-readobj
--file-headers /usr/local/google/home/tmroeder/src/l
lvm/llvm-git-build/test/tools/gold/Output/mtriple.ll.tmp3.o |
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/./bin/Fil
eCheck --check-prefix=REL
/usr/local/google/home/tmroeder/src/llvm/llvm-git/test/tools/gold/mtriple.ll
--
Exit Code: 1

Command Output (stderr):
--
ld: error: unrecognized emulation elf32ppc
ld: error:
/usr/local/google/home/tmroeder/src/llvm/llvm-git-build/test/tools/gold/Output/mtriple.ll.tmp3.o:
not configured to 
support 32-bit big-endian object

--


It looks like this is because PowerPC is set but my ld doesn't have support for
PowerPC. So, it looks like the conditions in the lit config are not sufficient
to detect this case.

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