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* ld-version: Fix it on FedoraMichael S. Tsirkin2016-01-081-0/+2
| | | | | | | | | | | | | | | | | | On Fedora 23, ld --version outputs: GNU ld version 2.25-15.fc23 But ld-version.sh fails to parse this, so e.g. mips build fails to enable VDSO, printing a warning that binutils >= 2.24 is required. To fix, teach ld-version to parse this format. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Cc: linux-kernel@vger.kernel.org Cc: Michal Marek <mmarek@suse.com> Cc: linux-kbuild@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/12023/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Fix ld-version.sh to handle large 3rd version partJames Hogan2016-01-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ld-version.sh script doesn't handle versions with large (>= 10) 3rd version components, because the 2nd component is only multiplied by 10 times that of the 3rd component. For example the following version string: GNU ld (Codescape GNU Tools 2015.06-05 for MIPS MTI Linux) 2.24.90 gives a bogus version number: 20000000 + 2400000 + 900000 = 23300000 Breakage, confusion and mole-whacking ensues. Increase the multipliers of the first two version components by a factor of 10 to give space for a 3rd components of up to 99, and update the sole user of ld-ifversion (MIPS VDSO) accordingly. Signed-off-by: James Hogan <james.hogan@imgtec.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Andi Kleen <ak@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Guenter Roeck <linux@roeck-us.net> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/11931/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Kbuild, lto: add ld-version and ld-ifversion macrosAndi Kleen2014-02-131-0/+8
To check the linker version. Used by the LTO makefile. Signed-off-by: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1391846481-31491-9-git-send-email-ak@linux.intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>