15129044dSC.J. CollierBasic build
25129044dSC.J. Collier	make config T=x86_64-native-linuxapp-gcc && make
35129044dSC.J. CollierBuild commands
45129044dSC.J. Collier	config           get configuration from target template (T=)
55129044dSC.J. Collier	all              same as build (default rule)
65129044dSC.J. Collier	build            build in a configured directory
75129044dSC.J. Collier	clean            remove files but keep configuration
85129044dSC.J. Collier	install T=       configure, build and install a target in DESTDIR
95129044dSC.J. Collier	install          install optionally staged in DESTDIR
105129044dSC.J. Collier	examples         build examples for given targets (T=)
115129044dSC.J. Collier	examples_clean   clean examples for given targets (T=)
125129044dSC.J. CollierBuild variables
135129044dSC.J. Collier	EXTRA_CPPFLAGS   preprocessor options
145129044dSC.J. Collier	EXTRA_CFLAGS     compiler options
155129044dSC.J. Collier	EXTRA_LDFLAGS    linker options
165129044dSC.J. Collier	EXTRA_LDLIBS     linker library options
175129044dSC.J. Collier	RTE_KERNELDIR    linux headers path
185129044dSC.J. Collier	RTE_DEVEL_BUILD  stricter options (default: y in git tree)
195129044dSC.J. Collier	CROSS     toolchain prefix
205129044dSC.J. Collier	V         verbose
215129044dSC.J. Collier	D         debug dependencies
225129044dSC.J. Collier	O         build directory (default: build/ - install T= default: ./)
235129044dSC.J. Collier	DESTDIR   staging install directory
245129044dSC.J. Collier	prefix    root install directory
255129044dSC.J. Collier	T         target template - used with config or install
265129044dSC.J. Collier			format: <arch-machine-execenv-toolchain>
275129044dSC.J. Collier			templates in config/defconfig_*
28