diff options
Diffstat (limited to 'src/seastar/dpdk/mk/machine/native/rte.vars.mk')
| -rw-r--r-- | src/seastar/dpdk/mk/machine/native/rte.vars.mk | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/seastar/dpdk/mk/machine/native/rte.vars.mk b/src/seastar/dpdk/mk/machine/native/rte.vars.mk new file mode 100644 index 000000000..8c96e3fa0 --- /dev/null +++ b/src/seastar/dpdk/mk/machine/native/rte.vars.mk @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2010-2014 Intel Corporation + +# +# machine: +# +# - can define ARCH variable (overridden by cmdline value) +# - can define CROSS variable (overridden by cmdline value) +# - define MACHINE_CFLAGS variable (overridden by cmdline value) +# - define MACHINE_LDFLAGS variable (overridden by cmdline value) +# - define MACHINE_ASFLAGS variable (overridden by cmdline value) +# - can define CPU_CFLAGS variable (overridden by cmdline value) that +# overrides the one defined in arch. +# - can define CPU_LDFLAGS variable (overridden by cmdline value) that +# overrides the one defined in arch. +# - can define CPU_ASFLAGS variable (overridden by cmdline value) that +# overrides the one defined in arch. +# - may override any previously defined variable +# + +# ARCH = +# CROSS = +# MACHINE_CFLAGS = +# MACHINE_LDFLAGS = +# MACHINE_ASFLAGS = +# CPU_CFLAGS = +# CPU_LDFLAGS = +# CPU_ASFLAGS = + +MACHINE_CFLAGS = -march=native + +# On FreeBSD systems, sometimes the correct CPU type is not picked up. +# To get everything to compile, we need SSE4.2 support, so check if that is +# reported by compiler. If not, check if the CPU actually supports it, and if +# so, set the compilation target to be a corei7, minimum target with SSE4.2. +SSE42_SUPPORT=$(shell $(CC) -march=native -dM -E - </dev/null | grep SSE4_2) +ifeq ($(SSE42_SUPPORT),) + MACHINE_CFLAGS = -march=corei7 +endif |