[cfe-dev] Compile SPEC2006 with clang-3.2, multi definition errors.

[Eric Lu]

When compile 403.gcc, there are link errors.

1) environment
1.1) OS
Linux gnode107 2.6.18-128.el5 #1 SMP Wed Jan 21 10:41:14 EST 2009 x86_64
x86_64 x86_64 GNU/Linux

*1.2) The default GCC compiler is *
gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-44)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

1.2) The compiler I used to build clang/llvm
gcc (GCC) 4.7.0
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

1.3) /usr/bin/ld
GNU ld version 2.17.50.0.6-9.el5 20061020
Copyright 2005 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License.  This program has absolutely no warranty.

*2. errors when link*

/tmp/concat-yeQL2V.o: In function `gnu_dev_major':
/usr/include/sys/sysmacros.h:44: multiple definition of `gnu_dev_major'
/tmp/alloca-YSgYzY.o:/usr/include/sys/sysmacros.h:44: first defined here
/tmp/concat-yeQL2V.o: In function `gnu_dev_makedev':
/usr/include/sys/sysmacros.h:56: multiple definition of `gnu_dev_makedev'
/tmp/alloca-YSgYzY.o:/usr/include/sys/sysmacros.h:56: first defined here
/tmp/concat-yeQL2V.o: In function `gnu_dev_minor':
/usr/include/sys/sysmacros.h:50: multiple definition of `gnu_dev_minor'
/tmp/alloca-YSgYzY.o:/usr/include/sys/sysmacros.h:50: first defined here
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 25.
/tmp/getpwd-UxjZIi.o: In function `fstat':
/usr/include/sys/stat.h:449: multiple definition of `fstat'
/tmp/c-parse-7tFGiF.o:/usr/include/sys/stat.h:449: first defined here
/tmp/getpwd-UxjZIi.o: In function `fstat64':
/usr/include/sys/stat.h:498: multiple definition of `fstat64'
/tmp/c-parse-7tFGiF.o:/usr/include/sys/stat.h:498: first defined here
/tmp/getpwd-UxjZIi.o: In function `fstatat':

.......

2.1 ) the link commands details
clang -g -DSPEC_CPU -DNDEBUG -DSPEC_CPU_LP64 -I. -DHTYU -DSPEC_CPU_LINUX
 alloca.bc asprintf.bc vasprintf.bc c-parse.bc c-lang.bc attribs.bc
c-errors.bc c-le
x.bc c-pragma.bc c-decl.bc c-typeck.bc c-convert.bc c-aux-info.bc
c-common.bc c-format.bc c-semantics.bc c-objc-common.bc main.bc cpplib.bc
cpplex.bc cppmacr
o.bc cppexp.bc cppfiles.bc cpphash.bc cpperror.bc cppinit.bc cppdefault.bc
line-map.bc mkdeps.bc prefix.bc version.bc mbchar.bc alias.bc bb-reorder.bc
bitmap
.bc builtins.bc caller-save.bc calls.bc cfg.bc cfganal.bc cfgbuild.bc
cfgcleanup.bc cfglayout.bc cfgloop.bc cfgrtl.bc combine.bc conflict.bc
convert.bc cse.b
c cselib.bc dbxout.bc debug.bc dependence.bc df.bc diagnostic.bc doloop.bc
dominance.bc dwarf2asm.bc dwarf2out.bc dwarfout.bc emit-rtl.bc except.bc
explow.bc
 expmed.bc expr.bc final.bc flow.bc fold-const.bc function.bc gcse.bc
genrtl.bc ggc-common.bc global.bc graph.bc haifa-sched.bc hash.bc
hashtable.bc hooks.bc
 ifcvt.bc insn-attrtab.bc insn-emit.bc insn-extract.bc insn-opinit.bc
insn-output.bc insn-peep.bc insn-recog.bc integrate.bc intl.bc jump.bc
langhooks.bc lcm
.bc lists.bc local-alloc.bc loop.bc obstack.bc optabs.bc params.bc
predict.bc print-rtl.bc print-tree.bc profile.bc real.bc recog.bc
reg-stack.bc regclass.bc
 regmove.bc regrename.bc reload.bc reload1.bc reorg.bc resource.bc rtl.bc
rtlanal.bc rtl-error.bc sbitmap.bc sched-deps.bc sched-ebb.bc sched-rgn.bc
sched-vi
s.bc sdbout.bc sibcall.bc simplify-rtx.bc ssa.bc ssa-ccp.bc ssa-dce.bc
stmt.bc stor-layout.bc stringpool.bc timevar.bc toplev.bc tree.bc
tree-dump.bc tree-in
line.bc unroll.bc varasm.bc varray.bc vmsdbgout.bc xcoffout.bc ggc-page.bc
i386.bc xmalloc.bc xexit.bc hashtab.bc safe-ctype.bc splay-tree.bc
xstrdup.bc md5.
bc fibheap.bc xstrerror.bc concat.bc partition.bc hex.bc lbasename.bc
getpwd.bc ucbqsort.bc  -lm -o gcc-llvm


I tried to add -std=gnu89, but it did not work.
-- 
Best Regards!
Eric Lew
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