Makefile.help

# Makefile.help for uClibc
#
# Copyright (C) 2008 Erik Andersen <andersen@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#

help:
	@echo 'Cleaning:'
	@echo '  clean			- delete temporary object files'
	@echo '  realclean		- delete temporary object files, including dependencies'
	@echo '  distclean		- delete all non-source files (including .config)'
	@echo
	@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
	@echo 'Configuration:'
	@echo '  allnoconfig		- disable all symbols in .config'
	@echo '  allyesconfig		- enable all symbols in .config (see defconfig)'
	@echo '  config		- text based configurator (of last resort)'
	@echo '  defconfig		- set .config to arch-specific defaults'
	@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
	@echo 'Development:'
	@echo '  release		- create a distribution tarball'
	@echo
	@echo 'Environment variables:'
	@echo '  O=<abspath>		- Use <abspath> as object directory'
	@echo '  V="" 			- Quiet build (default)'
	@echo '  V=1			- Very verbose build (show full commands)'
	@echo '  V=2			- Brief build (show defines, ld flags)'
	@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 '  RUNTIME_PREFIX=	- Prefix for the libdir containing shared objects'
	@echo '			  (usually "/")'
	@echo '  DEVEL_PREFIX=		- Prefix for the libdir containing static objects'
	@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'