New upstream version 18.11-rc4

[deb_dpdk.git] / config / meson.build

diff --git a/config/meson.build b/config/meson.build
index 4d75532..db32499 100644 (file)
--- a/config/meson.build
+++ b/config/meson.build
@@ -7,14 +7,45 @@ if meson.is_cross_build()
 else
        machine = get_option('machine')
 endif
+
+# machine type 'default' is special, it defaults to the per arch agreed common
+# minimal baseline needed for DPDK.
+# That might not be the most optimized, but the most portable version while
+# still being able to support the CPU features required for DPDK.
+# This can be bumped up by the DPDK project, but it can never be an
+# invariant like 'native'
+if machine == 'default'
+       if host_machine.cpu_family().startswith('x86')
+               # matches the old pre-meson build systems default
+               machine = 'corei7'
+       elif host_machine.cpu_family().startswith('arm')
+               machine = 'armv7-a'
+       elif host_machine.cpu_family().startswith('aarch')
+               # arm64 manages defaults in config/arm/meson.build
+               machine = 'default'
+       elif host_machine.cpu_family().startswith('ppc')
+               machine = 'power8'
+       endif
+endif
+
 dpdk_conf.set('RTE_MACHINE', machine)
 machine_args = []
-machine_args += '-march=' + machine
+
+# ppc64 does not support -march= at all, use -mcpu and -mtune for that
+if host_machine.cpu_family().startswith('ppc')
+       machine_args += '-mcpu=' + machine
+       machine_args += '-mtune=' + machine
+else
+       machine_args += '-march=' + machine
+endif
 
 toolchain = cc.get_id()
 dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
 dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
 
+add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
+dpdk_extra_ldflags += '-Wl,--no-as-needed'
+
 # use pthreads
 add_project_link_arguments('-pthread', language: 'c')
 dpdk_extra_ldflags += '-pthread'
@@ -84,6 +115,8 @@ if host_machine.cpu_family().startswith('x86')
        arch_subdir = 'x86'
 elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
        arch_subdir = 'arm'
+elif host_machine.cpu_family().startswith('ppc')
+       arch_subdir = 'ppc_64'
 endif
 subdir(arch_subdir)
 dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
@@ -92,3 +125,6 @@ dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
 dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
 
 install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
+
+# enable VFIO only if it is linux OS
+dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux')