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mk: restrict CPU flags list

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When compiling each file, the CPU flags are given as RTE_MACHINE_CPUFLAG_*
and in the list RTE_COMPILE_TIME_CPUFLAGS.

RTE_MACHINE_CPUFLAG_* are used to check the CPU features when compiling.

The list RTE_COMPILE_TIME_CPUFLAGS is used only to check the CPU at
runtime in the function rte_cpu_check_supported(). So it is not needed to
define this list for every files.
That's why RTE_COMPILE_TIME_CPUFLAGS is removed from the common variable
MACHINE_CFLAGS and is added only to the CFLAGS of eal_common_cpuflags.c.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
This commit is contained in:
Thomas Monjalon 2016-03-21 21:12:55 +01:00
parent 1604ce1e60
commit 8744d7a945
3 changed files with 5 additions and 1 deletions
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2
lib/librte_eal/bsdapp/eal/Makefile
View File

@ -92,6 +92,8 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_keepalive.c
# from arch dir
SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_cpuflags.c
CFLAGS_eal_common_cpuflags.o := $(CPUFLAGS_LIST)
CFLAGS_eal.o := -D_GNU_SOURCE
#CFLAGS_eal_thread.o := -D_GNU_SOURCE
CFLAGS_eal_log.o := -D_GNU_SOURCE

2
lib/librte_eal/linuxapp/eal/Makefile
View File

@ -102,6 +102,8 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_keepalive.c
# from arch dir
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_cpuflags.c
CFLAGS_eal_common_cpuflags.o := $(CPUFLAGS_LIST)
CFLAGS_eal.o := -D_GNU_SOURCE
CFLAGS_eal_interrupts.o := -D_GNU_SOURCE
CFLAGS_eal_pci_vfio_mp_sync.o := -D_GNU_SOURCE

2
mk/rte.cpuflags.mk
View File

@ -128,4 +128,4 @@ empty:=
space:= $(empty) $(empty)
CPUFLAGSTMP1 := $(addprefix RTE_CPUFLAG_,$(CPUFLAGS))
CPUFLAGSTMP2 := $(subst $(space),$(comma),$(CPUFLAGSTMP1))
MACHINE_CFLAGS += -DRTE_COMPILE_TIME_CPUFLAGS=$(CPUFLAGSTMP2)
CPUFLAGS_LIST := -DRTE_COMPILE_TIME_CPUFLAGS=$(CPUFLAGSTMP2)