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Basic build
make defconfig && make
or
make config T=x86_64-native-linux-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
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=)
test compile tests and run basic unit tests
test-* run specific subset of unit tests
tags|etags|gtags generate tags database for given targets (T=)
cscope generate cscope database for given targets (T=)
Build variables
EXTRA_CPPFLAGS preprocessor options
EXTRA_CFLAGS compiler options
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 T= default: ./)
DESTDIR staging install directory (default: empty)
prefix root install directory (default: /usr/local)
T target template - used with config or install
format: <arch-machine-execenv-toolchain>
templates in config/defconfig_*
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