Re: [RFC] gdb-cross: add pythonnative

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Wed, 2012-08-01 at 09:23 -0700, Darren Hart wrote:
> 
> On 07/31/2012 04:10 AM, Martin Jansa wrote:
> > On Tue, Jul 31, 2012 at 12:07:06PM +0100, Richard Purdie wrote:
> >> On Tue, 2012-07-31 at 03:26 +0200, Martin Jansa wrote:
> >>> * fails like this without:
> >>> | gcc -isystem/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/include -O2 -pipe   -L/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/lib -L/OE/shr-core/tmp-eglibc/sysroo
> >>> ts/x86_64-linux/lib -Wl,-rpath-link,/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/lib -Wl,-rpath-link,/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/lib -Wl,-rpath,/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/lib -Wl,-rpath,/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/lib -Wl,-O1   \
> >>> |       -o gdb gdb.o libgdb.a \
> >>> |          -lreadline ../opcodes/libopcodes.a ../bfd/libbfd.a  ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a    -ldl -lncurses -lz -lm    -lpthread -ldl -lutil -lm -lpython2.7 -Xlinker -export-dynamic /OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/lib/libexpat.so -Wl,-rpath -Wl,/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/lib ../libiberty/libiberty.a  gnulib/libgnu.a
> >>> | libgdb.a(python.o): In function `gdbpy_target_wide_charset':
> >>> | python.c:(.text+0x1e7): undefined reference to `PyUnicodeUCS4_Decode'
> >>> | libgdb.a(python.o): In function `gdbpy_target_charset':
> >>> | python.c:(.text+0x237): undefined reference to `PyUnicodeUCS4_Decode'
> >>> | libgdb.a(py-cmd.o): In function `cmdpy_completer':
> >>> | py-cmd.c:(.text+0x97): undefined reference to `PyUnicodeUCS4_Decode'
> >>> | py-cmd.c:(.text+0xc3): undefined reference to `PyUnicodeUCS4_Decode'
> >>> | libgdb.a(py-cmd.o): In function `cmdpy_function':
> >>> | py-cmd.c:(.text+0x39d): undefined reference to `PyUnicodeUCS4_Decode'
> >>> | libgdb.a(py-frame.o):py-frame.c:(.text+0xa21): more undefined references to `PyUnicodeUCS4_Decode' follow
> >>> | libgdb.a(py-utils.o): In function `unicode_to_encoded_string':
> >>> | py-utils.c:(.text+0x8): undefined reference to `PyUnicodeUCS4_AsEncodedString'
> >>> | libgdb.a(py-utils.o): In function `python_string_to_unicode':
> >>> | py-utils.c:(.text+0xc6): undefined reference to `PyUnicodeUCS4_FromEncodedObject'
> >>> | libgdb.a(py-utils.o): In function `unicode_to_target_python_string':
> >>> | py-utils.c:(.text+0x13a): undefined reference to `PyUnicodeUCS4_AsEncodedString'
> >>> | libgdb.a(py-utils.o): In function `target_string_to_unicode':
> >>> | py-utils.c:(.text+0x2a5): undefined reference to `PyUnicodeUCS4_Decode'
> >>> | libgdb.a(py-value.o): In function `valpy_string':
> >>> | py-value.c:(.text+0x4ac): undefined reference to `PyUnicodeUCS4_Decode'
> >>> | libgdb.a(py-value.o): In function `valpy_str':
> >>> | py-value.c:(.text+0xab4): undefined reference to `PyUnicodeUCS4_Decode'
> >>> | collect2: error: ld returned 1 exit status
> >>> | make[2]: *** [gdb] Error 1
> >>> | make[2]: Leaving directory `/OE/shr-core/tmp-eglibc/work/armv4t-oe-linux-gnueabi/gdb-cross-7.4.1-r1.0/build-arm-oe-linux-gnueabi/gdb'
> >>> | make[1]: *** [all-gdb] Error 2
> >>>
> >>> Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
> >>> ---
> >>>  meta/recipes-devtools/gdb/gdb-cross_7.4.1.bb |    2 ++
> >>>  1 files changed, 2 insertions(+), 0 deletions(-)
> >>
> >> Is python enabled for gdb-cross in OE-Core?
> > 
> > Explicitly only in gdb-cross-canadian, so I guess gdb-cross autodetected
> > it (sorry I don't have config.log anymore).
> > 
> 
> This resolves my gdb-cross build issue on poky-tiny. Thanks Martin.

I fixed this properly by disabling python in gdb-cross.

Cheers,

Richard