2004-10-08 19:06:03 -06:00
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#
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2011-02-02 06:53:23 -07:00
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mainmenu "Buildroot $BR2_VERSION Configuration"
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2004-10-08 19:06:03 -06:00
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config BR2_HAVE_DOT_CONFIG
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bool
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default y
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2007-09-25 05:37:31 -06:00
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config BR2_VERSION
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string
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2010-10-31 10:35:14 -06:00
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option env="BR2_VERSION_FULL"
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2007-09-25 05:37:31 -06:00
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2012-07-18 07:59:09 -06:00
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config BR2_HOSTARCH
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string
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option env="HOSTARCH"
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Split target/Config.in.arch into multiple Config.in.* in arch/
target/Config.in.arch had become too long, and we want to remove the
target/ directory. So let's move it to arch/ and split it this way:
* An initial Config.in that lists the top-level architecture, and
sources the arch-specific Config.in.<arch> files, as well as
Config.in.common (see below)
* One Config.in.<arch> per architecture, listing the CPU families,
ABI choices, etc.
* One Config.in.common that defines the gcc mtune, march, mcpu values
and other hidden options.
[Peter: space->tab fix, mipsel64 little endian, mips3 as noted by Arnout]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2012-11-03 02:27:59 -06:00
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source "arch/Config.in"
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2007-07-08 10:28:54 -06:00
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2004-12-11 06:01:10 -07:00
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menu "Build options"
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2010-04-10 14:55:01 -06:00
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menu "Commands"
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2004-10-08 19:06:03 -06:00
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config BR2_WGET
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2004-12-11 06:01:10 -07:00
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string "Wget command"
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2010-11-04 12:16:43 -06:00
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default "wget --passive-ftp -nd -t 3"
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2004-10-08 19:06:03 -06:00
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2010-09-02 04:09:45 -06:00
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config BR2_SVN
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string "Subversion (svn) command"
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default "svn"
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2005-01-23 04:20:30 -07:00
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2010-09-02 04:09:45 -06:00
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config BR2_BZR
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string "Bazaar (bzr) command"
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default "bzr"
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2009-08-07 03:57:54 -06:00
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2007-08-23 23:31:07 -06:00
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config BR2_GIT
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2010-09-02 04:09:45 -06:00
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string "Git command"
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default "git"
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2007-08-23 23:31:07 -06:00
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2011-09-29 13:57:46 -06:00
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config BR2_LOCALFILES
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string "Local files retrieval command"
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default "cp"
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2011-10-19 01:25:40 -06:00
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config BR2_SCP
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string "Secure copy (scp) command"
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default "scp"
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config BR2_SSH
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string "Secure shell (ssh) command"
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default "ssh"
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2011-10-19 01:25:47 -06:00
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config BR2_HG
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string "Mercurial (hg) command"
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default "hg"
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2006-10-01 09:07:45 -06:00
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config BR2_ZCAT
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string "zcat command"
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2007-03-09 01:26:10 -07:00
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default "gzip -d -c"
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2006-10-01 09:07:45 -06:00
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help
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Command to be used to extract a gzip'ed file to stdout.
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zcat is identical to gunzip -c except that the former may
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not be available on your system.
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2007-03-09 01:26:10 -07:00
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Default is "gzip -d -c"
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Other possible values include "gunzip -c" or "zcat".
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2006-11-17 08:43:51 -07:00
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config BR2_BZCAT
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string "bzcat command"
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default "bzcat"
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help
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Command to be used to extract a bzip2'ed file to stdout.
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bzcat is identical to bunzip2 -c except that the former may
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not be available on your system.
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Default is "bzcat"
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Other possible values include "bunzip2 -c" or "bzip2 -d -c".
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2006-10-01 09:07:45 -06:00
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2011-05-10 00:17:05 -06:00
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config BR2_XZCAT
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string "xzcat command"
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default "xzcat"
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help
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Command to be used to extract a xz'ed file to stdout.
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Default is "xzcat"
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2005-12-10 07:59:02 -07:00
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config BR2_TAR_OPTIONS
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string "Tar options"
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2005-12-10 08:36:43 -07:00
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default ""
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help
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Options to pass to tar when extracting the sources.
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E.g. " -v --exclude='*.svn*'" to exclude all .svn internal files
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and to be verbose.
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2005-12-10 07:59:02 -07:00
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2010-04-10 14:55:01 -06:00
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endmenu
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2005-09-30 18:35:24 -06:00
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config BR2_DL_DIR
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string "Download dir"
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2009-09-23 00:46:52 -06:00
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default "$(TOPDIR)/dl"
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2005-09-30 18:35:24 -06:00
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help
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Directory to store all the source files that we need to fetch.
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2007-08-20 19:28:12 -06:00
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If the Linux shell environment has defined the BUILDROOT_DL_DIR
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environment variable, then this overrides this configuration item.
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2005-09-30 18:35:24 -06:00
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2009-09-23 00:46:52 -06:00
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The default is $(TOPDIR)/dl
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2007-09-26 15:12:38 -06:00
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2011-02-02 06:05:56 -07:00
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config BR2_HOST_DIR
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string "Host dir"
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default "$(BASE_DIR)/host"
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help
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Directory to store all the binary files that are built for the host.
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This includes the cross compilation toolchain when building the
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internal buildroot toolchain.
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The default is $(BASE_DIR)/host
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2010-12-05 13:52:37 -07:00
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menu "Mirrors and Download locations"
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config BR2_PRIMARY_SITE
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string "Primary download site"
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default ""
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help
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Primary site to download from. If this option is set then buildroot
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will try to download package source first from this site and try the
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default if the file is not found.
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2011-10-19 01:25:40 -06:00
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Valid URIs are URIs recognized by $(WGET) and scp URIs of the form
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scp://[user@]host:path.
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NOTE: This works for all packages using the central package
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infrastructure (generic, autotools, cmake, ...)
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2010-12-05 13:52:37 -07:00
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2012-06-21 23:37:03 -06:00
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config BR2_PRIMARY_SITE_ONLY
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bool "Only allow downloads from primary download site"
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depends on BR2_PRIMARY_SITE != ""
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help
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If this option is enabled, downloads will only be attempted
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from the primary download site. Other locations, like the
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package's official download location or the backup download
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site, will not be considered. Therefore, if the package is
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not present on the primary site, the download fails.
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This is useful for project developers who want to ensure
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that the project can be built even if the upstream tarball
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locations disappear.
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if !BR2_PRIMARY_SITE_ONLY
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2010-12-05 13:52:37 -07:00
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config BR2_BACKUP_SITE
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string "Backup download site"
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default "http://sources.buildroot.net/"
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help
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Backup site to download from. If this option is set then buildroot
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will fall back to download package sources from here if the
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normal location fails.
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config BR2_KERNEL_MIRROR
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string "Kernel.org mirror"
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default "http://www.kernel.org/pub/"
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help
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kernel.org is mirrored on a number of servers around the world.
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The following allows you to select your preferred mirror.
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Have a look on the kernel.org site for a list of mirrors, then enter
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the URL to the base directory. Examples:
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http://www.XX.kernel.org/pub (XX = country code)
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http://mirror.aarnet.edu.au/pub/ftp.kernel.org
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config BR2_GNU_MIRROR
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string "GNU Software mirror"
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default "http://ftp.gnu.org/pub/gnu"
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help
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GNU has multiple software mirrors scattered around the world.
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The following allows you to select your preferred mirror.
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Have a look on the gnu.org site for a list of mirrors, then enter
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the URL to the base directory. Examples:
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http://ftp.gnu.org/pub/gnu
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http://mirror.aarnet.edu.au/pub/gnu
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config BR2_DEBIAN_MIRROR
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string "Debian Software mirror"
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default "http://ftp.debian.org"
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help
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Debian has multiple software mirrors scattered around the world.
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The following allows you to select your preferred mirror.
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Usually, just add your country code like XX here:
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http://ftp.XX.debian.org
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2012-06-21 23:37:03 -06:00
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endif
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2010-12-05 13:52:37 -07:00
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endmenu
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2010-04-10 14:55:38 -06:00
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2004-12-11 06:01:10 -07:00
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config BR2_JLEVEL
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2012-06-16 03:37:17 -06:00
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int "Number of jobs to run simultaneously (0 for auto)"
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default "0"
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2004-12-11 06:01:10 -07:00
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help
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2012-06-16 03:37:17 -06:00
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Number of jobs to run simultaneously. If 0, determine
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automatically according to number of CPUs on the host
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system.
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2007-01-28 05:03:58 -07:00
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2010-12-07 13:09:56 -07:00
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config BR2_CCACHE
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bool "Enable compiler cache"
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help
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This option will enable the use of ccache, a compiler
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cache. It will cache the result of previous builds to speed
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up future builds. The cache is stored in
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$HOME/.buildroot-ccache.
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2012-03-07 12:26:50 -07:00
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Note that Buildroot does not try to invalidate the cache
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contents when the compiler changes in an incompatible
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way. Therefore, if you make a change to the compiler version
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and/or configuration, you are responsible for purging the
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ccache cache by removing the $HOME/.buildroot-ccache
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directory.
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2012-05-16 13:39:28 -06:00
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config BR2_CCACHE_DIR
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string "Compiler cache location"
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depends on BR2_CCACHE
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default "$(HOME)/.buildroot-ccache"
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help
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Where ccache should store cached files.
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2007-02-09 06:31:55 -07:00
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config BR2_DEPRECATED
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2007-02-09 06:35:41 -07:00
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bool "Show packages that are deprecated or obsolete"
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2007-02-09 06:31:55 -07:00
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help
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2007-02-09 06:35:41 -07:00
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This option hides outdated/obsolete versions of packages.
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2004-12-11 03:25:40 -07:00
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2008-03-12 07:07:10 -06:00
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config BR2_ENABLE_DEBUG
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bool "build packages with debugging symbols"
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help
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2012-03-14 16:49:58 -06:00
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Build packages with debugging symbols enabled. All libraries
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and binaries in the 'staging' directory will have debugging
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symbols, which allows remote debugging even if libraries and
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binaries are stripped on the target. Whether libraries and
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binaries are stripped on the target is controlled by the
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BR2_STRIP_* options below.
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2008-03-12 07:07:10 -06:00
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if BR2_ENABLE_DEBUG
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choice
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prompt "gcc debug level"
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default BR2_DEBUG_2
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help
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Set the debug level for gcc
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config BR2_DEBUG_1
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bool "debug level 1"
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help
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2008-08-04 13:07:05 -06:00
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Debug level 1 produces minimal information, enough
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for making backtraces in parts of the program that
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you don't plan to debug. This includes descriptions
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2008-03-12 07:07:10 -06:00
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of functions and external variables, but no information
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about local variables and no line numbers.
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config BR2_DEBUG_2
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bool "debug level 2"
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help
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The default gcc debug level is 2
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config BR2_DEBUG_3
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bool "debug level 3"
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help
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2008-08-04 13:07:05 -06:00
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Level 3 includes extra information, such as all the
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2008-03-12 07:07:10 -06:00
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macro definitions present in the program. Some debuggers
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support macro expansion when you use -g3.
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endchoice
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endif
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2007-07-31 12:06:50 -06:00
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choice
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2012-03-14 16:49:58 -06:00
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prompt "strip command for binaries on target"
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2007-07-31 12:06:50 -06:00
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default BR2_STRIP_strip
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config BR2_STRIP_strip
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bool "strip"
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2011-02-06 22:49:10 -07:00
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depends on !BR2_ELF2FLT
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2007-07-31 12:06:50 -06:00
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help
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2012-03-14 16:49:58 -06:00
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Binaries and libraries in the target filesystem will be
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stripped using the normal 'strip' command. This allows to
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save space, mainly by removing debugging symbols. Debugging
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symbols on the target are needed for native debugging, but
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not when remote debugging is used.
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2007-08-23 23:31:07 -06:00
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2007-07-31 12:06:50 -06:00
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config BR2_STRIP_sstrip
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bool "sstrip"
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select BR2_PACKAGE_SSTRIP_HOST
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2011-02-06 22:49:10 -07:00
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depends on !BR2_ELF2FLT
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2007-07-31 12:06:50 -06:00
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help
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2012-03-14 16:49:58 -06:00
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Binaries and libraries in the target filesystem will be
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stripped using the 'sstrip' command, which strips a little
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bit more than the traditional 'strip' command. This allows to
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save space, mainly by removing debugging symbols. Debugging
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symbols on the target are needed for native debugging, but
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not when remote debugging is used.
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2007-08-23 23:31:07 -06:00
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2007-07-31 12:06:50 -06:00
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config BR2_STRIP_none
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bool "none"
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help
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2012-03-14 16:49:58 -06:00
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Do not strip binaries and libraries in the target
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filesystem.
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2007-07-31 12:06:50 -06:00
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endchoice
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2012-06-21 13:34:50 -06:00
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config BR2_STRIP_EXCLUDE_FILES
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string "executables that should not be stripped"
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depends on !BR2_STRIP_none
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default ""
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help
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You may specify a space-separated list of binaries and libraries
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here that should not be stripped on the target.
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config BR2_STRIP_EXCLUDE_DIRS
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string "directories that should be skipped when stripping"
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depends on !BR2_STRIP_none
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default ""
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help
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You may specify a space-separated list of directories that should
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be skipped when stripping. Binaries and libraries in these
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directories will not be touched.
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The directories should be specified relative to the target directory,
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without leading slash.
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2008-03-12 07:07:10 -06:00
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choice
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prompt "gcc optimization level"
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2008-03-16 07:26:14 -06:00
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default BR2_OPTIMIZE_S
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2008-03-12 05:23:11 -06:00
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help
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2008-03-12 07:07:10 -06:00
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Set the optimization level for gcc
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config BR2_OPTIMIZE_0
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bool "optimization level 0"
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help
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2008-08-04 13:07:05 -06:00
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Do not optimize. This is the default.
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2008-03-12 07:07:10 -06:00
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config BR2_OPTIMIZE_1
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bool "optimization level 1"
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help
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2008-08-04 13:07:05 -06:00
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Optimize. Optimizing compilation takes somewhat more time,
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and a lot more memory for a large function. With -O, the
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compiler tries to reduce code size and execution time,
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without performing any optimizations that take a great deal
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of compilation time. -O turns on the following optimization
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flags: -fdefer-pop -fdelayed-branch -fguess-branch-probability
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-fcprop-registers -floop-optimize -fif-conversion
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-fif-conversion2 -ftree-ccp -ftree-dce -ftree-dominator-opts
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-ftree-dse -ftree-ter -ftree-lrs -ftree-sra -ftree-copyrename
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2008-03-12 07:07:10 -06:00
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-ftree-fre -ftree-ch -funit-at-a-time -fmerge-constants
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2008-08-04 13:07:05 -06:00
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-O also turns on -fomit-frame-pointer on machines where doing
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2008-03-12 07:07:10 -06:00
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so does not interfere with debugging.
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config BR2_OPTIMIZE_2
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bool "optimization level 2"
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help
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Optimize even more. GCC performs nearly all supported optimizations
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2008-08-04 13:07:05 -06:00
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that do not involve a space-speed tradeoff. The compiler does not
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perform loop unrolling or function inlining when you specify -O2.
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As compared to -O, this option increases both compilation time and
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the performance of the generated code. -O2 turns on all optimization
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flags specified by -O. It also turns on the following optimization
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flags: -fthread-jumps -fcrossjumping -foptimize-sibling-calls
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-fcse-follow-jumps -fcse-skip-blocks -fgcse -fgcse-lm
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-fexpensive-optimizations -fstrength-reduce -frerun-cse-after-loop
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-frerun-loop-opt -fcaller-saves -fpeephole2 -fschedule-insns
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-fschedule-insns2 -fsched-interblock -fsched-spec -fregmove
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-fstrict-aliasing -fdelete-null-pointer-checks -freorder-blocks
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-freorder-functions -falign-functions -falign-jumps -falign-loops
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2008-03-12 07:07:10 -06:00
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-falign-labels -ftree-vrp -ftree-pre
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Please note the warning under -fgcse about invoking -O2 on programs
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that use computed gotos.
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config BR2_OPTIMIZE_3
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bool "optimization level 3"
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help
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2008-08-04 13:07:05 -06:00
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Optimize yet more. -O3 turns on all optimizations specified by -O2
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and also turns on the -finline-functions, -funswitch-loops and
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2008-03-12 07:07:10 -06:00
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-fgcse-after-reload options.
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config BR2_OPTIMIZE_S
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bool "optimize for size"
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help
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2008-08-04 13:07:05 -06:00
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Optimize for size. -Os enables all -O2 optimizations that do not
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2008-03-12 07:07:10 -06:00
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typically increase code size. It also performs further optimizations
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2008-08-04 13:07:05 -06:00
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designed to reduce code size. -Os disables the following optimization
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flags: -falign-functions -falign-jumps -falign-loops -falign-labels
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2008-03-12 07:07:10 -06:00
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-freorder-blocks -freorder-blocks-and-partition -fprefetch-loop-arrays
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-ftree-vect-loop-version
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2008-08-04 13:07:05 -06:00
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2008-03-12 07:07:10 -06:00
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endchoice
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2008-03-12 05:23:11 -06:00
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2007-06-01 16:16:28 -06:00
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config BR2_PREFER_STATIC_LIB
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bool "prefer static libraries"
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help
|
2007-06-02 10:36:43 -06:00
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Where possible, build and use static libraries for the target.
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This potentially increases your code size and should only be
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used if you know what you do.
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The default is to build dynamic libraries and use those on
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the target filesystem.
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2007-06-01 16:16:28 -06:00
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WARNING: This is highly experimental at the moment.
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2008-10-20 05:32:25 -06:00
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config BR2_HAVE_DOCUMENTATION
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bool "documentation on the target"
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help
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2010-04-10 14:47:28 -06:00
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Install the documentation, including manual pages and info
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pages, on the target.
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2008-10-20 05:32:25 -06:00
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If you say n here, your target will not contain any
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documentation.
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2008-03-10 10:34:19 -06:00
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config BR2_HAVE_DEVFILES
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bool "development files in target filesystem"
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2008-03-10 09:22:43 -06:00
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help
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Install headers and static libraries in the
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target filesystem
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2011-09-29 13:57:38 -06:00
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config BR2_PACKAGE_OVERRIDE_FILE
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string "location of a package override file"
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default "$(TOPDIR)/local.mk"
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help
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A package override file is a short makefile that contains
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variable definitions of the form <pkg>_OVERRIDE_SRCDIR,
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which allows to tell Buildroot to use an existing directory
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as the source directory for a particular package. See the
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Buildroot documentation for more details on this feature.
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2004-12-11 06:01:10 -07:00
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endmenu
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2004-10-08 19:06:03 -06:00
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2007-09-25 01:55:45 -06:00
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source "toolchain/Config.in"
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2012-11-03 02:27:58 -06:00
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source "system/Config.in"
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2010-12-05 13:52:44 -07:00
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2007-09-25 01:55:45 -06:00
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source "package/Config.in"
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2012-01-28 10:42:49 -07:00
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source "package/Config.in.host"
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2010-03-10 14:30:06 -07:00
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source "fs/Config.in"
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2010-03-14 11:20:45 -06:00
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|
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source "boot/Config.in"
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New, simpler, infrastructure for building the Linux kernel
This patch introduces a single, simple, infrastructure to build the
Linux kernel. The configuration is limited to :
* Kernel version: a fixed recent stable version, same as kernel
headers version (for internal toolchains only), custom stable
version, or custom tarball URL
* Kernel patch: either a local file, directory or an URL
* Kernel configuration: either the name of a defconfig or the
location of a custom configuration file
* Kernel image: either uImage, bzImage, zImage or vmlinux.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2010-04-03 10:46:46 -06:00
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source "linux/Config.in"
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