bus/vmbus: map ring in secondary process

[dpdk.git] / config / x86 / meson.build

diff --git a/config/x86/meson.build b/config/x86/meson.build
index 33efb5e..7504cb9 100644 (file)
--- a/config/x86/meson.build
+++ b/config/x86/meson.build
@@ -2,7 +2,16 @@
 # Copyright(c) 2017 Intel Corporation
 
 # for checking defines we need to use the correct compiler flags
-march_opt = '-march=@0@'.format(machine)
+march_opt = ['-march=@0@'.format(machine)]
+
+# get binutils version for the workaround of Bug 97
+ldver = run_command('ld', '-v').stdout().strip()
+if ldver.contains('2.30')
+       if cc.has_argument('-mno-avx512f')
+               march_opt += '-mno-avx512f'
+               message('Binutils 2.30 detected, disabling AVX512 support as workaround for bug #97')
+       endif
+endif
 
 # we require SSE4.2 for DPDK
 sse_errormsg = '''SSE4.2 instruction set is required for DPDK.
@@ -19,10 +28,9 @@ foreach f:base_flags
 endforeach
 
 dpdk_conf.set('RTE_ARCH_X86', 1)
-if (host_machine.cpu_family() == 'x86_64')
+if dpdk_conf.get('RTE_ARCH_64')
        dpdk_conf.set('RTE_ARCH_X86_64', 1)
        dpdk_conf.set('RTE_ARCH', 'x86_64')
-       dpdk_conf.set('RTE_ARCH_64', 1)
 else
        dpdk_conf.set('RTE_ARCH_I686', 1)
        dpdk_conf.set('RTE_ARCH', 'i686')