2 make config T=x86_64-default-linuxapp-gcc && make
4 config get configuration from target template (T=)
5 all same as build (default rule)
6 build build in a configured directory
7 clean remove files but keep configuration
8 install build many targets (wildcard allowed) and install in DESTDIR
9 uninstall remove all installed targets
11 EXTRA_CPPFLAGS preprocessor options
12 EXTRA_CFLAGS compiler options
13 EXTRA_LDFLAGS linker options
14 RTE_KERNELDIR linux headers path
15 CROSS toolchain prefix
18 O build directory (default: build/ - install default: ./)
19 DESTDIR second-stage install directory
20 T target template (install default: *) - used with config or install
21 format: <arch-machine-execenv-toolchain>
22 templates in config/defconfig_*