@echo 'Build:'
@echo ' all - libraries and generated headers'
@echo ' pregen - generate headers'
+ @echo ' startfiles - build startfiles (crt)'
@echo ' utils - build target utilities'
@echo ' (ldd, ldconfig, locale, iconv)'
@echo ' hostutils - build host utilities (see utils)'
@echo ' menuconfig - interactive curses-based configurator'
@echo ' oldconfig - resolve any unresolved symbols in .config'
@echo ' silentoldconfig - resolve any unresolved symbols in .config, silently'
+ @echo ' savedefconfig - Save current config (minimal config)'
@echo ' randconfig - generate a random .config'
+ @$(if $(arch-defconfigs), \
+ @echo ''; \
+ echo 'Architecture specific configs ($(ARCH))'; \
+ $(foreach c, $(arch-defconfigs), \
+ printf " %-21s - Build for %s\\n" $(c) $(subst _defconfig,,$(c));) \
+ )
@echo
@echo 'Installation:'
@echo ' install - install both the runtime and the headers'
@echo ' install_runtime - install the libraries'
@echo ' install_dev - install all headers and static libs'
+ @echo ' install_startfiles - install startfiles (crt)'
@echo ' install_headers - install headers excluding generated ones'
@echo ' install_utils - install target utilities'
@echo ' install_hostutils - install host utilities'
@echo 'Environment variables:'
@echo ' O=<abspath> - Use <abspath> as object directory'
@echo ' V="" - Quiet build (default)'
- @echo ' V=1 - Verbose build'
+ @echo ' V=1 - Brief build (show defines, ld flags)'
@echo ' V=2 - Very verbose build'
- @echo ' CROSS= - Override CROSS_COMPILER_PREFIX from .config'
+ @echo ' CROSS_COMPILE= - Override CROSS_COMPILER_PREFIX from .config'
@echo ' ARCH= - Use given arch for config targets'
@echo ' SHELL= - Shell to use for make'
+ @echo ' BUILD_CFLAGS= - extra CFLAGS for compiling host binaries'
+ @echo ' BUILD_LDFLAGS= - extra LDFLAGS for linking host binaries'
@echo ' CONFIG_SHELL= - Shell to use for menuconfig'
@echo
@echo ' PREFIX= - Prepended prefix'
@echo ' and the include dir (usually "/usr")'
@echo ' MULTILIB_DIR= - Directory component for libraries (default "lib").'
@echo ' UCLIBC_EXTRA_CFLAGS - extra CFLAGS for compiling uClibc'
+ @echo ' UCLIBC_EXTRA_CPPFLAGS - extra CPPFLAGS for compiling uClibc'