config BINARY_FOLDER
string "Binary folder" if DEVEL
default ""
+ help
+ Store built firmware images and filesystem images in this directory.
+ If not set, uses './bin/$(BOARD)'
config DOWNLOAD_FOLDER
string "Download folder" if DEVEL
default ""
+ help
+ Store downloaded source bundles in this directory.
+ If not set then defaults to './dl', which is removed by operations such as
+ 'git clean -xdf' or 'make distclean'.
+ This option is useful if you have a low bandwidth Internet connection, and by
+ setting a path outside the OpenWrt tree downloads will be saved.
config LOCALMIRROR
string "Local mirror for source packages" if DEVEL
help
Automatically rebuild packages when their files change.
+ config AUTOREMOVE
+ bool "Automatic removal of build directories" if DEVEL
+ default n
+ help
+ Automatically delete build directories after make target completed.
+ This allows you to symlink build_dir into a scratch location, e.g. a ramdisk,
+ which does not have enough space to keep a complete build_dir.
+
config BUILD_SUFFIX
- string "Build suffix to append to the BUILD_DIR variable" if DEVEL
+ string "Build suffix to append to the target BUILD_DIR variable" if DEVEL
default ""
help
- Build suffix to append to the BUILD_DIR variable, i.e: build_dir_suffix.
+ Build suffix to append to the BUILD_DIR variable, i.e: './build_dir/{target-build-dir}_$(BUILD_SUFFIX)'.
+ This allows you to switch to a different .config whilst retaining all the build
+ objects generated by the first .config
config TARGET_ROOTFS_DIR
string "Override the default TARGET_ROOTFS_DIR variable" if DEVEL
bool "Use ccache" if DEVEL
default n
help
- Compiler cache; see http://ccache.samba.org/.
+ Compiler cache; see https://ccache.samba.org/
config EXTERNAL_KERNEL_TREE
string "Use external kernel tree" if DEVEL
config EXTRA_OPTIMIZATION
string "Additional compiler options" if DEVEL
+ default "-fno-caller-saves -fno-plt" if !CONFIG_EXTERNAL_TOOLCHAIN && !arc
default "-fno-caller-saves"
help
Extra target-independent optimizations to use when building for the target.