Re: [Xen-devel] Xen-unstable-staging compilation error

[Michal Novotny <minovotn@xxxxxxxxxx>]

Well, I've been able to solve this one by adding "typedef int 
Py_ssize_t;" since I was using Python 2.4.3 that doesn't support 
Py_ssize_t natively. However, reinstalling the python was not the option 
because of the system dependencies so I downloaded source code for 
Python-2.7 and investigated this further. There was a definition of 
Py_ssize_t as int so I did just add this definition in 
/usr/include/python-2.4/Python.h file and the compilation was successful.
Hope this helps to someone as well,
Michal

On 09/22/2010 04:21 PM, Michal Novotny wrote:
> Hi,
> I've been trying to compile latest Xen-unstable staging on the x86_64 
> machine but I was getting following errors:
> creating build/temp.linux-x86_64-2.4/xen/lowlevel/flask
> gcc -fno-strict-aliasing -DNDEBUG -O2 -g -pipe -Wall 
> -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector 
> --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -O1 
> -fno-omit-frame-pointer -fno-optimize-sibling-calls -m64 -g 
> -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes 
> -Wno-unused-value -Wdeclaration-after-statement -D__XEN_TOOLS__ -MMD 
> -MF .buildpy.d -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -fPIC 
> -I../../tools/libxc -I../../tools/xenstore -I../../tools/include 
> -I../../tools/libxl -Ixen/lowlevel/flask -I../flask/libflask/include 
> -I/usr/include/python2.4 -c xen/lowlevel/flask/flask.c -o 
> build/temp.linux-x86_64-2.4/xen/lowlevel/flask/flask.o 
> -fno-strict-aliasing -Werror
> gcc -pthread -shared -O1 -fno-omit-frame-pointer 
> -fno-optimize-sibling-calls -m64 -g -fno-strict-aliasing -std=gnu99 
> -Wall -Wstrict-prototypes -Wno-unused-value 
> -Wdeclaration-after-statement -D__XEN_TOOLS__ -MMD -MF .buildpy.d 
> -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 
> build/temp.linux-x86_64-2.4/xen/lowlevel/flask/flask.o 
> -L../../tools/libxc -L../../tools/xenstore -L../../tools/libxl 
> -L../../tools/blktap2/control -L../flask/libflask -lxenctrl -lxenguest 
> -lxenstore -lflask -o build/lib.linux-x86_64-2.4/xen/lowlevel/flask.so
> building 'xl' extension
> creating build/temp.linux-x86_64-2.4/xen/lowlevel/xl
> gcc -fno-strict-aliasing -DNDEBUG -O2 -g -pipe -Wall 
> -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector 
> --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -O1 
> -fno-omit-frame-pointer -fno-optimize-sibling-calls -m64 -g 
> -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes 
> -Wno-unused-value -Wdeclaration-after-statement -D__XEN_TOOLS__ -MMD 
> -MF .buildpy.d -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -fPIC 
> -I../../tools/libxc -I../../tools/xenstore -I../../tools/include 
> -I../../tools/libxl -Ixen/lowlevel/xl -I/usr/include/python2.4 -c 
> xen/lowlevel/xl/xl.c -o 
> build/temp.linux-x86_64-2.4/xen/lowlevel/xl/xl.o -fno-strict-aliasing 
> -Werror
> xen/lowlevel/xl/xl.c: In function ‘genwrap__obj_init’:
> xen/lowlevel/xl/xl.c:59: error: ‘Py_ssize_t’ undeclared (first use in 
> this function)
> xen/lowlevel/xl/xl.c:59: error: (Each undeclared identifier is 
> reported only once
> xen/lowlevel/xl/xl.c:59: error: for each function it appears in.)
> xen/lowlevel/xl/xl.c:59: error: expected ‘;’ before ‘pos’
> xen/lowlevel/xl/xl.c:64: error: ‘pos’ undeclared (first use in this 
> function)
> xen/lowlevel/xl/xl.c: In function ‘fixed_bytearray_set’:
> xen/lowlevel/xl/xl.c:170: error: ‘Py_ssize_t’ undeclared (first use in 
> this function)
> xen/lowlevel/xl/xl.c:170: error: expected ‘;’ before ‘ssz’
> xen/lowlevel/xl/xl.c:171: error: ‘ssz’ undeclared (first use in this 
> function)
> error: command 'gcc' failed with exit status 1
> make[3]: *** [buildpy] Error 1
> make[3]: Leaving directory 
> `/home2/shared/xen-unstable-staging/tools/python'
> make[2]: *** [subdir-install-python] Error 2
> make[2]: Leaving directory `/home2/shared/xen-unstable-staging/tools'
> make[1]: *** [subdirs-install] Error 2
> make[1]: Leaving directory `/home2/shared/xen-unstable-staging/tools'
>
> Any ideas?
>
> Michal
--
Michal Novotny<minovotn@xxxxxxxxxx>, RHCE
Virtualization Team (xen userspace), Red Hat


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