all same as build (default rule)
build build in a configured directory
clean remove files but keep configuration
- install build many targets (wildcard allowed) and install in DESTDIR
- uninstall remove all installed targets
+ install T= configure, build and install a target in DESTDIR
+ install install optionally staged in DESTDIR
examples build examples for given targets (T=)
examples_clean clean examples for given targets (T=)
Build variables
EXTRA_LDFLAGS linker options
EXTRA_LDLIBS linker library options
RTE_KERNELDIR linux headers path
+ RTE_DEVEL_BUILD stricter options (default: y in git tree)
CROSS toolchain prefix
V verbose
D debug dependencies
- O build directory (default: build/ - install default: ./)
- DESTDIR second-stage install directory
- T target template (install default: *) - used with config or install
+ O build directory (default: build/ - install T= default: ./)
+ DESTDIR staging install directory
+ prefix root install directory
+ T target template - used with config or install
format: <arch-machine-execenv-toolchain>
templates in config/defconfig_*