hi,
I found this compiling warning, and can reproduce on my Leap42.1,
Leap42.2 and SLES12 SP2 with v4.8.5 version of gcc.
# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-suse-linux/4.8/lto-wrapper
Target: x86_64-suse-linux
Configured with: ../configure --prefix=/usr --infodir=/usr/share/info
--mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64
--enable-languages=c,c++,objc,fortran,obj-c++,java,ada
--enable-checking=release --with-gxx-include-dir=/usr/include/c++/4.8
--enable-ssp --disable-libssp --disable-plugin
--with-bugurl=http://bugs.opensuse.org/ --with-pkgversion='SUSE Linux'
--disable-libgcj --disable-libmudflap --with-slibdir=/lib64
--with-system-zlib --enable-__cxa_atexit
--enable-libstdcxx-allocator=new --disable-libstdcxx-pch
--enable-version-specific-runtime-libs --enable-linker-build-id
--enable-linux-futex --program-suffix=-4.8 --without-system-libunwind
--with-arch-32=i586 --with-tune=generic --build=x86_64-suse-linux
--host=x86_64-suse-linux
Thread model: posix
gcc version 4.8.5 (SUSE Linux)
# make everything
... ...
mdadm.c: In function ‘main’:
mdadm.c:1974:29: error: ‘mdfd’ may be used uninitialized in this
function [-Werror=maybe-uninitialized]
if (dv->devname[0] == '/' || mdfd < 0)
^
mdadm.c:1914:7: note: ‘mdfd’ was declared here
int mdfd;
^
cc1: all warnings being treated as errors
Makefile:206: recipe for target 'mdadm.Os' failed
make: *** [mdadm.Os] Error 1
Thanks,
-Zhilong
On 04/05/2017 11:37 PM, jes.sorensen@xxxxxxxxx wrote:
Zhilong <zlliu@xxxxxxxx> writes:
Hi,jes;
I have found that there is mdfd returns uninitialized warning in
mdadm.c. I cannot paste the logs due to I'm on holiday. Please try to
issue make everything, you should see it.
I don't see anything here, if you have specifics, please post them.
Jes
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