Re: [Xen-users] qemu-nbd.c:223:5: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]

["bobbisanchez@xxxxxx" <bobbisanchez@xxxxxx>]

Am 18.07.2014 um 13:07 schrieb bobbisanchez@xxxxxx:
> Am 18.07.2014 um 11:31 schrieb Ian Campbell:
> > On Thu, 2014-07-17 at 18:18 +0200, bobbisanchez@xxxxxx wrote:
> > > export CFLAGS="-mtune=generic -Os -pipe"
> > > export CXXFLAGS="-mtune=generic -Os -pipe"
> > > export LDFLAGS="-Wl,-O1"
> > I think you should use the APPEND_* versions of these, since by setting
> > them as you have done you have overridden the Xen default ones
> > completely and they include things like -pipe and -std=gnu99 etc which
> > are needed to make things work.
> >
> > I don't suppose many people have built Xen with -Os, so YMMV.
> >
> > Ian.
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-users
> hi Ian
>
> thanks for the Reply, i am sorry to ask but can you give me some
> Hint/Example what exactly do you mean .. i am so sorry i am only an User
> with some experience
>
> best regards
> bobbi
i tried export APPEND_CFLAGS and APPEND_CXXFLAGS and also APPEND_LDFLAGS 
wiht the values written above but now i get this :
gcc  -O1 -fno-omit-frame-pointer -m64 -g -fno-strict-aliasing -std=gnu99 
-Wall -Wstrict-prototypes -Wdeclaration-after-statement 
-Wno-unused-but-set-variable -Wno-unused-local-typedefs 
-D__XEN_TOOLS__ -MMD -MF .libxl_numa.o.d -D_LARGEFILE_SOURCE -D_L
ARGEFILE64_SOURCE -fno-optimize-sibling-calls  -Werror 
-Wno-format-zero-length -Wmissing-declarations 
-Wno-declaration-after-statement -Wformat-nonliteral -I. -fPIC -pthread 
-I/mnt/xvda1/xen/tools/libxl/../../tools/libxc 
-I/mnt/xvda1/xen/tools/libxl/..
/../tools/include -I/mnt/xvda1/xen/tools/libxl/../../tools/libxc 
-I/mnt/xvda1/xen/tools/libxl/../../tools/include 
-I/mnt/xvda1/xen/tools/libxl/../../tools/xenstore 
-I/mnt/xvda1/xen/tools/libxl/../../tools/include 
-I/mnt/xvda1/xen/tools/libxl/../../tool
s/blktap2/control 
-I/mnt/xvda1/xen/tools/libxl/../../tools/blktap2/include 
-I/mnt/xvda1/xen/tools/libxl/../../tools/include  -Wshadow -include 
/mnt/xvda1/xen/tools/libxl/../../tools/config.h  -c -o libxl_numa.o 
libxl_numa.c -mtune=generic -Os -pipe
libxl_numa.c: In function 'libxl__get_numa_candidate':
libxl_numa.c:287:5: error: 'comb_iter' may be used uninitialized in this 
function [-Werror=maybe-uninitialized]
cc1: all warnings being treated as errors
make[3]: *** [libxl_numa.o] Error 1
make[3]: Leaving directory `/mnt/xvda1/xen/tools/libxl'
make[2]: *** [subdir-install-libxl] Error 2
make[2]: Leaving directory `/mnt/xvda1/xen/tools'
make[1]: *** [subdirs-install] Error 2
make[1]: Leaving directory `/mnt/xvda1/xen/tools'
make: *** [install-tools] Error 2

thank you so much
best regards
bobbi

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