10.10 cant seem to use -fmudflap with gcc 4.4

[Harish Badrinath]

Hello,
Description:when trying to to compile C programs using the GNU C compiler, -fmudflap seems to stop "legal" c programs from turning into binaries.

1) Release :
ravi@psg-xl-buildd:~/harish/bug$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 10.10
Release: 10.10
Codename: maverick
ravi@psg-xl-buildd:~/harish/bug$ cat /proc/version
Linux version 2.6.35-22-generic-pae (buildd@rothera) (gcc version 4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu4) ) #33-Ubuntu SMP Sun Sep 19 22:14:14 UTC 2010

2) Version of software running:
ravi@psg-xl-buildd:~/harish/bug$ dpkg -l | grep mudflap
ii libmudflap0 4.5.1-7ubuntu2 GCC mudflap shared support libraries
ii libmudflap0-4.4-dev 4.4.4-14ubuntu5 GCC mudflap support libraries (development files)
ii libmudflap0-4.5-dev 4.5.1-7ubuntu2 GCC mudflap support libraries (development files)
ravi@psg-xl-buildd:~/harish/bug$ gcc -v
Using built-in specs.
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.4.4-14ubuntu5' --with-bugurl=file:///usr/share/doc/gcc-4.4/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.4 --enable-shared --enable-multiarch --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.4 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-targets=all --disable-werror --with-arch-32=i686 --with-tune=generic --enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu --target=i686-linux-gnu
Thread model: posix
gcc version 4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu5)

3)What should happen:
Successful compilation of legal programs

4)What is happening:
A screen full of linker errors

5)Log
ravi@psg-xl-buildd:~/harish/bug$ cat test.c
#include <stdio.h>
int main()
{
 return 0;
}
ravi@psg-xl-buildd:~/harish/bug$ gcc test.c
ravi@psg-xl-buildd:~/harish/bug$ echo $?
0
ravi@psg-xl-buildd:~/harish/bug$ gcc test.c -fmudflap -lmudflap
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mf_object_tree':
(.text.__mf_object_tree+0x4b): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `mfsplay_tree_foreach':
(.text.mfsplay_tree_foreach+0x27): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `mfsplay_tree_foreach':
(.text.mfsplay_tree_foreach+0x34): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `mfsplay_tree_foreach':
(.text.mfsplay_tree_foreach+0xe9): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `mfsplay_tree_foreach':
(.text.mfsplay_tree_foreach+0xf1): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `mfsplay_tree_splay':
(.text.mfsplay_tree_splay+0xb7): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `mfsplay_tree_splay':
(.text.mfsplay_tree_splay+0xe4): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mf_watch_or_not':
(.text.__mf_watch_or_not+0x74): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mf_watch_or_not':
(.text.__mf_watch_or_not+0xfa): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mf_backtrace':
(.text.__mf_backtrace+0x26): undefined reference to `__real_calloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mf_backtrace':
(.text.__mf_backtrace+0x7c): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mf_violation':
(.text.__mf_violation+0x68f): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mfu_unregister':
(.text.__mfu_unregister+0x1dd): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mfu_unregister':
(.text.__mfu_unregister+0x287): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mfu_unregister':
(.text.__mfu_unregister+0x2a0): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o):(.text.__mfu_unregister+0x2c0): more undefined references to `__real_free' follow
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mfu_register':
(.text.__mfu_register+0x11e): undefined reference to `__real_calloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mfu_register':
(.text.__mfu_register+0x1cb): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mfu_check':
(.text.__mfu_check+0x256): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-runtime.o): In function `__mfu_check':
(.text.__mfu_check+0x4e3): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__mf_wrap_alloca_indirect':
(.text.__mf_wrap_alloca_indirect+0x7e): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__mf_wrap_alloca_indirect':
(.text.__mf_wrap_alloca_indirect+0x8b): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__mf_wrap_alloca_indirect':
(.text.__mf_wrap_alloca_indirect+0xbd): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__mf_wrap_alloca_indirect':
(.text.__mf_wrap_alloca_indirect+0xdf): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__mf_wrap_alloca_indirect':
(.text.__mf_wrap_alloca_indirect+0x1d2): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_malloc':
(.text.__wrap_malloc+0x64): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_malloc':
(.text.__wrap_malloc+0xd2): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_munmap':
(.text.__wrap_munmap+0x45): undefined reference to `__real_munmap'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_munmap':
(.text.__wrap_munmap+0xb8): undefined reference to `__real_munmap'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_mmap':
(.text.__wrap_mmap+0x6a): undefined reference to `__real_mmap'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_mmap':
(.text.__wrap_mmap+0xf8): undefined reference to `__real_mmap'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_realloc':
(.text.__wrap_realloc+0x86): undefined reference to `__real_realloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_realloc':
(.text.__wrap_realloc+0x13a): undefined reference to `__real_realloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_calloc':
(.text.__wrap_calloc+0x6e): undefined reference to `__real_malloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_calloc':
(.text.__wrap_calloc+0xfa): undefined reference to `__real_calloc'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_free':
(.text.__wrap_free+0x9b): undefined reference to `__real_free'
/usr/lib/gcc/i686-linux-gnu/4.4.5/libmudflap.a(mf-hooks1.o): In function `__wrap_free':
(.text.__wrap_free+0x122): undefined reference to `__real_free'
collect2: ld returned 1 exit status
ravi@psg-xl-buildd:~/harish/bug$ echo $?
1
ravi@psg-xl-buildd:~/harish/bug$ gcc test.c -fmudflap
/usr/lib/gcc/i686-linux-gnu/4.4.5/../../../../lib/crt1.o: In function `_start':
(.text+0x18): undefined reference to `__wrap_main'
/tmp/cc3HWO6A.o: In function `global constructors keyed to 00099_0_main':
test.c:(.text+0x11): undefined reference to `__mf_init'
collect2: ld returned 1 exit status

[Harish Badrinath (harishbadrinath)]

*Update* This seems like an ubuntu specific thing

zomg@master:~/trash$ mv dummy.c test.c

zomg@master:~/trash$ cat test.c
#include <stdio.h>
int main()
{
 return 0;
}

zomg@master:~/trash$ gcc test.c
zomg@master:~/trash$ echo $?
0

zomg@master:~/trash$ gcc test.c -fmudflap -lmudflap
zomg@master:~/trash$ echo $?
0

zomg@master:~/trash$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux unstable (sid)
Release: unstable
Codename: sid
zomg@master:~/trash$ cat /proc/version
Linux version 2.6.32-5-686 (Debian 2.6.32-30) (<email address hidden>) (gcc version 4.3.5 (Debian 4.3.5-4) ) #1 SMP Wed Jan 12 04:01:41 UTC 2011

[Matthias Klose (doko)]

mudflap is gone upstream