[Mesa-dev] Talloc

[Kevin H. Hobbs]

Mesa git started failing to configure early this week.

I ran

./autogen.sh \
  --with-driver=xlib \
  --disable-gallium

and configure complained about missing talloc.

I looked and saw that my fedora 12 machine has libtalloc installed but
libtalloc-devel was not installed, so I installed it.

That got rid of the configure warning, and mesa built without issue, but
when I try to link an application to GL I get :

/home/kevin/mesa/lib/libGL.so.1: undefined reference to `talloc_strdup'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to `_talloc_array'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to `_talloc_free'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to
`talloc_strdup_append'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to `talloc_asprintf'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to `talloc_init'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to `talloc_unlink'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to `_talloc_zero'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to
`talloc_strndup_append'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to
`_talloc_set_destructor'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to
`talloc_asprintf_append'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to
`talloc_vasprintf_append'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to
`_talloc_reference_loc'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to `_talloc_steal_loc'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to `talloc_parent'
/home/kevin/mesa/lib/libGL.so.1: undefined reference to `talloc_named_const'

$ ldd lib/libGL.so
        linux-vdso.so.1 =>  (0x00007fffae0bb000)
        libX11.so.6 => /usr/lib64/libX11.so.6 (0x00007f1628641000)
        libXext.so.6 => /usr/lib64/libXext.so.6 (0x00007f162842e000)
        libm.so.6 => /lib64/libm.so.6 (0x00007f16281aa000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f1627f8e000)
        libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f1627d77000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f16279fe000)
        libxcb.so.1 => /usr/lib64/libxcb.so.1 (0x00007f16277e3000)
        libdl.so.2 => /lib64/libdl.so.2 (0x00007f16275de000)
        /lib64/ld-linux-x86-64.so.2 (0x0000003184e00000)
        libXau.so.6 => /usr/lib64/libXau.so.6 (0x00007f16273db000)

$ nm lib/libGL.so | grep talloc
00000000001ac020 T _ZN9glsl_type20init_talloc_type_ctxEv
00000000002eb820 r
_ZZN9glsl_type20init_talloc_type_ctxEvE19__PRETTY_FUNCTION__
                 U _talloc_array
                 U _talloc_free
                 U _talloc_reference_loc
                 U _talloc_set_destructor
                 U _talloc_steal_loc
                 U _talloc_zero
                 U talloc_asprintf
                 U talloc_asprintf_append
                 U talloc_init
                 U talloc_named_const
                 U talloc_parent
                 U talloc_strdup
                 U talloc_strdup_append
                 U talloc_strndup_append
                 U talloc_unlink
                 U talloc_vasprintf_append

My system talloc has no symbols

$ nm /usr/lib64/libtalloc.so
nm: /usr/lib64/libtalloc.so: no symbols

Mesa has a src/talloc with talloc.c and talloc.h



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