Bug#741917: clang -m32 does not work

[Mathieu Malaterre]

Package: clang
Version: 1:3.0-6.2
Severity: important

For some reason clang -m32 does not work on my side (Wheezy):

$ cat t.c
int main() { return 0; }
$ clang -v -m32 t.c
Debian clang version 3.0-6.2 (tags/RELEASE_30/final) (based on LLVM 3.0)
Target: i386-pc-linux-gnu
Thread model: posix
 "/usr/bin/clang" -cc1 -triple i386-pc-linux-gnu -emit-obj -mrelax-all
-disable-free -disable-llvm-verifier -main-file-name t.c
-mrelocation-model static -mdisable-fp-elim -masm-verbose
-mconstructor-aliases -target-cpu pentium4 -target-linker-version 2.22
-momit-leaf-frame-pointer -v -resource-dir /usr/bin/../lib/clang/3.0
-fmodule-cache-path /var/tmp/clang-module-cache -internal-isystem
/usr/local/include -internal-isystem /usr/bin/../lib/clang/3.0/include
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /usr/include -ferror-limit 19
-fmessage-length 176 -fgnu-runtime -fobjc-runtime-has-arc
-fobjc-runtime-has-weak -fobjc-fragile-abi -fdiagnostics-show-option
-fcolor-diagnostics -o /tmp/t-qzErSN.o -x c t.c
clang -cc1 version 3.0 based upon llvm 3.0 hosted on x86_64-pc-linux-gnu
ignoring nonexistent directory "/usr/bin/../lib/clang/3.0/include"
ignoring nonexistent directory "/usr/bin/../lib/clang/3.0/include"
ignoring duplicate directory "/usr/local/include"
ignoring duplicate directory "/usr/include/x86_64-linux-gnu"
ignoring duplicate directory "/usr/include/x86_64-linux-gnu"
ignoring duplicate directory "/usr/include/x86_64-linux-gnu"
ignoring duplicate directory "/usr/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/include/x86_64-linux-gnu
 /usr/include
 /usr/include/clang/3.0/include/
 /usr/lib/gcc/x86_64-linux-gnu/4.6/include/
 /usr/lib/gcc/x86_64-linux-gnu/4.6/include-fixed/
End of search list.
 "/usr/bin/ld" --hash-style=both --build-id --eh-frame-hdr -m elf_i386
-dynamic-linker /lib/ld-linux.so.2 -o a.out
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../lib32/crt1.o
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../lib32/crti.o
/usr/lib/gcc/x86_64-linux-gnu/4.6/crtbegin.o
-L/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../i386-linux-gnu
-L/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../lib32
-L/lib/i386-linux-gnu -L/lib/../lib32 -L/usr/lib/i386-linux-gnu
-L/usr/lib/../lib32 -L/usr/lib/gcc/x86_64-linux-gnu/4.6
-L/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../i386-linux-gnu
-L/usr/lib/gcc/x86_64-linux-gnu/4.6/../../.. -L/lib/i386-linux-gnu
-L/lib -L/usr/lib/i386-linux-gnu -L/usr/lib /tmp/t-qzErSN.o -lgcc
--as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s
--no-as-needed /usr/lib/gcc/x86_64-linux-gnu/4.6/crtend.o
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../lib32/crtn.o
/usr/bin/ld: skipping incompatible
/usr/lib/gcc/x86_64-linux-gnu/4.6/libgcc.a when searching for -lgcc
/usr/bin/ld: cannot find -lgcc
/usr/bin/ld: skipping incompatible
/usr/lib/gcc/x86_64-linux-gnu/4.6/libgcc_s.so when searching for
-lgcc_s
/usr/bin/ld: cannot find -lgcc_s
clang: error: linker command failed with exit code 1 (use -v to see invocation)