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Set CCACHE_DIR to $(TOPDIR)/.ccache and CCACHE_BASEDIR to $(TOPDIR). This allows to do clean and dirclean. Cache hit rate for test build after dirclean is ~65%. If CCACHE is enabled stats are printed out at the end of building process. CCACHE_DIR config variable allows to override default, which could be useful when sharing cache with many builds. cacheclean make target allows to clean the cache. Changes from v1: - remove ccache directory using CCACHE_DIR variable - remove ccache leftovers from sdk and toolchain make files - introduce CONFIG_CCACHE_DIR variable - introduce cacheclean make target Signed-off-by: Roman Yeryomin <roman@advem.lv>
136 lines
4.3 KiB
Plaintext
136 lines
4.3 KiB
Plaintext
# Copyright (C) 2006-2013 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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menuconfig DEVEL
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bool "Advanced configuration options (for developers)"
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default n
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config BROKEN
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bool "Show broken platforms / packages" if DEVEL
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default n
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config BINARY_FOLDER
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string "Binary folder" if DEVEL
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default ""
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help
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Store built firmware images and filesystem images in this directory.
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If not set, uses './bin/$(BOARD)'
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config DOWNLOAD_FOLDER
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string "Download folder" if DEVEL
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default ""
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help
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Store downloaded source bundles in this directory.
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If not set then defaults to './dl', which is removed by operations such as
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'git clean -xdf' or 'make distclean'.
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This option is useful if you have a low bandwidth Internet connection, and by
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setting a path outside the OpenWrt tree downloads will be saved.
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config LOCALMIRROR
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string "Local mirror for source packages" if DEVEL
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default ""
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config AUTOREBUILD
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bool "Automatic rebuild of packages" if DEVEL
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default y
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help
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Automatically rebuild packages when their files change.
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config AUTOREMOVE
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bool "Automatic removal of build directories" if DEVEL
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default n
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help
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Automatically delete build directories after make target completed.
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This allows you to symlink build_dir into a scratch location, e.g. a ramdisk,
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which does not have enough space to keep a complete build_dir.
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config BUILD_SUFFIX
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string "Build suffix to append to the target BUILD_DIR variable" if DEVEL
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default ""
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help
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Build suffix to append to the BUILD_DIR variable, i.e: './build_dir/{target-build-dir}_$(BUILD_SUFFIX)'.
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This allows you to switch to a different .config whilst retaining all the build
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objects generated by the first .config
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config TARGET_ROOTFS_DIR
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string "Override the default TARGET_ROOTFS_DIR variable" if DEVEL
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default ""
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help
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Override the default TARGET_ROOTFS_DIR variable content $(BUILD_DIR) with
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custom path. Use this option to re-define the location of the target
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root filesystem directory.
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config CCACHE
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bool "Use ccache" if DEVEL
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default n
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help
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Compiler cache; see https://ccache.samba.org/
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config CCACHE_DIR
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string "Set ccache directory" if CCACHE
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default ""
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help
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Store ccache in this directory.
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If not set, uses './.ccache'
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config EXTERNAL_KERNEL_TREE
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string "Use external kernel tree" if DEVEL
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default ""
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config KERNEL_GIT_CLONE_URI
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string "Enter git repository to clone" if DEVEL
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default ""
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help
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Enter the full git repository path i.e.:
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
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This will create a git clone of the kernel in your build directory.
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config KERNEL_GIT_LOCAL_REPOSITORY
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string "Enter path to local reference repository" if DEVEL
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depends on (KERNEL_GIT_CLONE_URI != "")
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default ""
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help
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Enter a full pathname to a local reference git repository.
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In this instance, the --reference option of git clone will
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be used thus creating a quick local clone of your repo.
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config KERNEL_GIT_REF
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string "Enter git ref at which to checkout" if DEVEL
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depends on (KERNEL_GIT_CLONE_URI != "")
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default ""
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help
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Enter the git ref at which to checkout the git repository
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after it is cloned, and before making it a tar-ball.
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It can be a git hash or a branch name.
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If unused, the clone's repository HEAD will be checked-out.
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config BUILD_LOG
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bool "Enable log files during build process" if DEVEL
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help
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If enabled, log files will be written to the ./log directory.
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config BUILD_LOG_DIR
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string "Log folder" if DEVEL
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default ""
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help
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Store build logs in this directory.
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If not set, uses './logs'
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config SRC_TREE_OVERRIDE
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bool "Enable package source tree override" if DEVEL
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help
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If enabled, you can force a package to use a git tree as source
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code instead of the normal tarball. Create a symlink 'git-src'
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in the package directory, pointing to the .git tree that you want
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to pull the source code from.
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config EXTRA_OPTIMIZATION
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string "Additional compiler options" if DEVEL
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default "-fno-caller-saves -fno-plt" if !CONFIG_EXTERNAL_TOOLCHAIN && !arc
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default "-fno-caller-saves"
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help
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Extra target-independent optimizations to use when building for the target.
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