[Buildroot] [PATCH] or1k: Only define TARGET_HAVE_TLS when HAVE_AS_TLS

[Stafford Horne]

On Thu, Sep 29, 2022 at 03:57:40PM +0100, Stafford Horne wrote:
> This was found when testing buildroot with linuxthreads enabled.  In
> this case, the build passes --disable-tls to the toolchain during
> configuration.  After building the OpenRISC toolchain it was still
> generating TLS code sequences and causing linker failures such as:
> 
>  ..../or1k-buildroot-linux-uclibc-gcc -o gpsd-3.24/gpsctl .... -lusb-1.0 -lm -lrt -lnsl
>  ..../ld: ..../sysroot/usr/lib/libusb-1.0.so: undefined reference to `__tls_get_addr'
> 
> This patch fixes this by disabling tls for the OpenRISC target when requested
> via --disable-tls.
> 
> Tested-by: Yann E. MORIN <yann.morin at orange.com>
> 
> gcc/ChangeLog:
> 
> 	* config/or1k/or1k.cc (TARGET_HAVE_TLS): Only define if
> 	HAVE_AS_TLS is defined.

I have pushed this upstream now.  Adding buildroot patches should be easy to do
now.

-Stafford