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mk: add sensible default target with defconfig

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Users can now use 'make defconfig' to generate a configuration using
the most appropriate defaults for the current machine.

<arch-machine-execenv-toolchain>
  arch taken from uname -m
  machine defaults to native
  execenv is taken from uname, Linux=linuxapp, otherwise bsdapp
  toolchain is taken from $CC -v to see which compiler to use

Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com>
Tested-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
This commit is contained in:
David Hunt 2017-08-04 11:39:02 +01:00 committed by Thomas Monjalon
parent 0de21567d2
commit bce6c42c4a
3 changed files with 30 additions and 5 deletions
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3
doc/build-sdk-quick.txt
View File

@ -1,7 +1,10 @@
Basic build
make defconfig && make
or
make config T=x86_64-native-linuxapp-gcc && make
Build commands
config get configuration from target template (T=)
defconfig auto-select target template based on arch, OS, etc.
all same as build (default rule)
build build in a configured directory
clean remove files but keep configuration

28
mk/rte.sdkconfig.mk
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@ -60,16 +60,38 @@ showconfigs:
.PHONY: notemplate
notemplate:
@printf "No template specified. "
@echo "Use T=template among the following list:"
@printf "No template specified. Use 'make defconfig' or "
@echo "use T=template from the following list:"
@$(MAKE) -rR showconfigs | sed 's,^, ,'
.PHONY: defconfig
defconfig:
@$(MAKE) config T=$(shell \
uname -m | awk '{ \
if ($$0 == "aarch64") { \
print "arm64-armv8a"} \
else if ($$0 == "armv7l") { \
print "arm-armv7a"} \
else if ($$0 == "ppc64") { \
print "ppc_64-power8"} \
else { \
printf "%s-native", $$0} }')-$(shell \
uname | awk '{ \
if ($$0 == "Linux") { \
print "linuxapp"} \
else { \
print "bsdapp"} }')-$(shell \
${CC} -v 2>&1 | \
grep " version " | cut -d ' ' -f 1)
.PHONY: config
ifeq ($(RTE_CONFIG_TEMPLATE),)
config: notemplate
else
config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
@echo "Configuration done"
@echo "Configuration done using" \
$(patsubst defconfig_%,%,$(notdir $(RTE_CONFIG_TEMPLATE)))
endif
$(RTE_OUTPUT):

4
mk/rte.sdkroot.mk
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@ -88,8 +88,8 @@ export ROOTDIRS-y ROOTDIRS- ROOTDIRS-n
.PHONY: default
default: all
.PHONY: config showconfigs showversion showversionum
config showconfigs showversion showversionum:
.PHONY: config defconfig showconfigs showversion showversionum
config defconfig showconfigs showversion showversionum:
$(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk $@
.PHONY: cscope gtags tags etags