[Buildroot] [PATCH] gdb: specify where to find lzma libraries
Peter Korsgaard
peter at korsgaard.com
Thu Mar 10 19:51:56 UTC 2016
>>>>> "Vicente" == Vicente Olivert Riera <Vincent.Riera at imgtec.com> writes:
> As reported in...
> https://bugs.busybox.net/show_bug.cgi?id=8786
> ..., gdb fails to build with xz and expat support at the same time when
> using an external toolchain.
> This is how the problem is shown:
> checking for liblzma... no
> configure: error: missing liblzma for --with-lzma
> And having a deeper look in gdb/config.log we can se a message like this
> one:
> /lib64/liblzma.so.5: undefined reference to `clock_gettime at GLIBC_2.17'
> As Thomas said in the bug report quoted above, that error is related to
> the fact that it find the host's lzma.
> Adding --with-lzma-prefix=$(HOST_DIR)/usr to GDB_CONF_OPTS fixes the
> problem.
> Credit-to: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> Signed-off-by: Vicente Olivert Riera <Vincent.Riera at imgtec.com>
> ---
> package/gdb/gdb.mk | 1 +
> 1 file changed, 1 insertion(+)
> diff --git a/package/gdb/gdb.mk b/package/gdb/gdb.mk
> index 32d52eb..58cd7502 100644
> --- a/package/gdb/gdb.mk
> +++ b/package/gdb/gdb.mk
> @@ -120,6 +120,7 @@ endif
> ifeq ($(BR2_PACKAGE_XZ),y)
> GDB_CONF_OPTS += --with-lzma
> +GDB_CONF_OPTS += --with-liblzma-prefix=$(HOST_DIR)/usr
But GDB_CONF_OPTS is for gdb for the target, so HOST_DIR/usr doesn't
seem right?
--
Bye, Peter Korsgaard
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