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* config: extend small_flash featureAlex Maclean2018-07-122-3/+9
| | | | | | | | | | Extend the small_flash feature to disable swap, core dumps, and kernel debug info, and change the squashfs block size to 1024KiB. Also change squashfs fragment cache to 2 for small_flash to ease memory usage. Signed-off-by: Alex Maclean <monkeh@monkeh.net>
* kernel: only optimized for size if small_flashMathias Kresin2018-07-121-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | Add a new config option to allow to select the default compile optimization level for the kernel. Select the optimization for size by default if the small_flash feature is set. Otherwise "Optimize for performance" is set. Add the small_flash feature flag to all (sub)targets which had the optimization for size in their default kernel config. Remove CC_OPTIMIZE_FOR_* symbols from all kernel configs to apply the new setting. Exceptions to the above are: - lantiq, where the optimization for size is only required for the xway_legacy subtarget but was set for the whole target - mediatek, ramips/mt7620 & ramips/mt76x8 where boards should have plenty of space and an optimization for size doesn't make much sense - rb532, which has 128MByte flash Signed-off-by: Mathias Kresin <dev@kresin.me>
* config: add config option for KERNEL_TASKSTATSJeremiah McConnell2018-07-071-0/+21
| | | | | | | | | | In order for monitoring tools such as atop and htop to track and report i/o data, kernel support for task statistics and io accounting is required. Add a config option to enable building this support in the kernel. Signed-off-by: Jeremiah McConnell <miah@miah.com>
* config: fix ARM64 dependency checkHauke Mehrtens2018-02-101-2/+2
| | | | | | The ARM64 CPUs use aarch64 config symbol, fix the depends lines. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* lantiq: ase: turn off fpu emulator in default buildYousong Zhou2018-01-291-1/+1
| | | | | | | | | | It was only enabled when the target was added back in commit 9b321bc ("lantiq: add Amazon-SE subtarget") Leave pistachio alone as devices of this target are not likely have small_flash or low_mem constraint Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
* build: add config option KERNEL_MIPS_FPU_EMULATORYousong Zhou2018-01-291-0/+5
| | | | | | | To make it more accessible for nodejs users to configure and run a build on mips target lacking hardware fpu Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
* build: cleanup SSP_SUPPORT configure optionJulien Dusser2018-01-271-2/+2
| | | | | | | | | | | | | | | | | | Configure variable SSP_SUPPORT is ambiguous for packages (tor, openssh, avahi, freeswitch). It means 'toolchain supporting SSP', but for toolchain and depends it means 'build gcc with libssp'. Musl no longer uses libssp (1877bc9d8f), it has internal support, so SSP_SUPPORT was disabled leading some package to not use SSP. No information why Glibc and uClibc use libssp, but they may also provide their own SSP support. uClibc used it own with commit 933b588e25 but it was reverted in f3cacb9e84 without details. Create an new configure GCC_LIBSSP and automatically enable SSP_SUPPORT if either USE_MUSL or GCC_LIBSSP. Signed-off-by: Julien Dusser <julien.dusser@free.fr>
* build: add hardened builds with PIE (ASLR) supportJulien Dusser2018-01-271-0/+16
| | | | | | | | | | | | | | | | | | Introduce a configuration option to build a "hardened" OpenWrt with ASLR PIE support. Add new option PKG_ASLR_PIE to enable Address Space Layout Randomization (ASLR) by building Position Independent Executables (PIE). This new option protects against "return-to-text" attacks. Busybox need a special care, link is done with ld, not gcc, leading to unknown flags. Set BUSYBOX_DEFAULT_PIE instead and disable PKG_ASLR_PIE. If other failing packages were found, PKG_ASLR_PIE:=0 should be added to their Makefiles. Original Work by: Yongkui Han <yonhan@cisco.com> Signed-off-by: Julien Dusser <julien.dusser@free.fr>
* Config-devel.in: rename symbol KERNEL_GIT_BRANCH -> KERNEL_GIT_REFAlexandru Ardelean2018-01-271-4/+5
| | | | | | | | | The Download/git rule will do a `git checkout <git-ref>`. So, we can use any ref we want. No need to limit just to branches. Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
* build: disable BUILD_PATENTED by defaultYousong Zhou2018-01-261-1/+1
| | | | | | | | This is mainly for legal considerations and not promoting the usage of and no redistribution of binaries of patented technologies seems to be also the established practice in other linux distros. Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
* config: support new symbol intro'd in kernel 4.12Koen Vandeputte2018-01-131-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Symbol CONFIG_INITRAMFS_FORCE allows to ignore the value passed by the bootloader. By default, all symbols containing INITRAMFS are wiped from the final config and then re-added conditionally. Add support for this symbol, as the build will stop otherwise questioning the user about this option: * Restart config... * * * General setup * Cross-compiler tool prefix (CROSS_COMPILE) [] Compile also drivers which will not load (COMPILE_TEST) [N/y/?] n ... Initial RAM filesystem and RAM disk (initramfs/initrd) support (BLK_DEV_INITRD) [Y/n/?] y Initramfs source file(s) (INITRAMFS_SOURCE) [] Ignore the initramfs passed by the bootloader (INITRAMFS_FORCE) [N/y/?] (NEW) Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
* kernel: allow disabling multicast routing supportMatthias Schiffer2018-01-111-1/+16
| | | | | | | | Multicast routing support is not needed in most setups, and increases the size of the kernel considerably (>10K after LZMA). Add a config switch to allow disabling it. Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
* kernel: fix spelling in CONFIG_DEVTMPFS help textSascha Paunovic2017-12-111-1/+1
| | | | | | Change "ti" to "to", as that's the correct spelling. Signed-off-by: Sascha Paunovic <azarus@posteo.net>
* mpc85xx: Enable initramfs for p1020 subtargetChris Blake2017-10-141-0/+1
| | | | | | | The following patch enables building of initramfs images by default for the P1020 subtarget in mpc85xx. Signed-off-by: Chris Blake <chrisrblake93@gmail.com>
* config: make CONFIG_ALL_* select other CONIFG_ALL_* optionsHauke Mehrtens2017-08-261-3/+4
| | | | | | | | | | | | | Select the other CONFIG_ALL_* options in the hierarchy when the master option is selected. Currently CONFIG_ALL_KMODS is not selected when the build bot selects CONFIG_ALL_NONSHARED for example. Now the rtc kmods should get build when CONFIG_ALL_KMODS, CONFIG_ALL_NONSHARED or CONFIG_ALL and CONFIG_RTC_SUPPORT are selected like it is done by the build bots for targets with rtc support. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Jo-Philipp Wich <jo@mein.io>
* build: enable gzipping of images on x86 even if ext4 is disabledFelix Fietkau2017-07-061-1/+1
| | | | | | | There is lots of padding between the boot partition and the rootfs, so gzipping is helpful here Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: Make KERNEL_PERF_EVENTS selectableFlorian Fainelli2017-05-261-1/+1
| | | | | | | The kernel itself allows enabling/disabling CONFIG_PERF_EVENTS, so allow doing the same thing. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
* kernel: Hide kernel options behind a menuFlorian Fainelli2017-05-261-1/+3
| | | | | | | | We are starting to add more and more kernel configurable options, to the point where the Global build options menu is not really usable anymore, hide all kernel-related configuration options behind a menu. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
* kernel: enable CRASH_DUMP on supported platformsDaniel Golle2017-05-201-0/+10
| | | | | | | While we have CRASHLOG on MIPS it makes sense to support 'classic' kexec-based CRASH_DUMP on x86 and arm platforms. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* kernel: remove out of tree direct-io disable hackFelix Fietkau2017-04-261-4/+0
| | | | | | | Direct-IO support has to be enabled for the release build anyway, so this hack is not worth keeping Signed-off-by: Felix Fietkau <nbd@nbd.name>
* build: allow specifying flow-control to grub on serial consolePhilip Prindeville2017-04-031-0/+5
| | | | | | | On the more sophisticated (i.e. deeper FIFO) serial controllers, flow-control might be needed to avoid dropping output. Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
* build: add devel option to store build config in firmwareVitaly Chekryzhev2017-03-181-0/+6
| | | | | | Store config.seed in firmware /etc/build.config Signed-off-by: Vitaly Chekryzhev <13hakta@gmail.com>
* x86: Set default baud rate on Geode images to 115200David Woodhouse2017-02-171-1/+0
| | | | | | | | | | | Prior to commit 1496b95a0 ("x86: clean up default grub baudrate settings") we had three different baud rates for the Geode targets: 19200 for net5501, 38400 for alix2, and 115200 for Geos. It doesn't seem that there's a very good reason for varying from our default 115200 baud, so let's make the Geode target do that instead. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* build: add buildbot specific config option for setting defaultsFelix Fietkau2017-02-141-2/+12
| | | | | | | | | | This can be used to tweak the buildbot behavior without having to change buildbot's configuration. It will also allow us to add more aggressive clean steps (e.g. on toolchain changes), which would break developers' workflows if enable by default. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* ccache, samba36: fix samba.org addresses to use httpsHannu Nyman2017-02-021-1/+1
| | | | | | | | | | | | samba.org has started to enforce https and currently plain http downloads with curl/wget fail, so convert samba.org download links to use https. Modernise links at the same time. Also convert samba.org URL fields to have https. Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
* build: add support for automatically removing build dir contents during buildFelix Fietkau2017-01-181-0/+8
| | | | | | | | | This is used to save space on buildbot instances. If any part of a package needs to be rebuild, the whole package is rebuilt from scratch. Stamp files are preserved to allow dependency checks to work Signed-off-by: Felix Fietkau <nbd@nbd.name>
* x86: disable crashlogFelix Fietkau2017-01-131-1/+1
| | | | | | | | It could cause crashes with some forms of virtualization, and it is unlikely to work properly with most systems. It's safer to just disable it. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* build: remove obsolete parallel build related optionsFelix Fietkau2017-01-101-53/+0
| | | | | | Always use the main make jobserver, which has been the default for ages Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: add KERNEL_DEVMEM and KERNEL_DEVKMEMHauke Mehrtens2016-12-241-0/+14
| | | | | | | | | These options are needed to create /dev/mem or /dev/kmem . /dev/mem is needed by the io tool to access raw hardware memory, which is helpful when debugging and developing drivers. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: John Crispin <john@phrozen.org>
* x86: revert default root size back to 256 MBFelix Fietkau2016-12-151-2/+1
| | | | | | | | | | | 2 GB is overkill and was only added to allow unlimited ext4 resizing, which is a pretty rare use case. 256 MB allows resizing up to 256 GB, which should be good enough for almost all users. A lot of this is mostly irrelevant anyway, since you can just use squashfs + ext4 overlay. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: add KERNEL_DEBUG_PINCTRL and KERNEL_DEBUG_GPIOHauke Mehrtens2016-12-101-0/+8
| | | | | | | | This makes it possible to activate the gpio and the pinctl debugging from LEDE menuconfig. Acked-by: John Crispin <john@phrozen.org> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* uml: clean up the kernel config and add squashfs+ext4/f2fs supportFelix Fietkau2016-11-241-1/+1
| | | | | | Replaces plain ext4 images Signed-off-by: Felix Fietkau <nbd@nbd.name>
* x86: bump default kernel partition size to 16MFelix Fietkau2016-11-091-1/+1
| | | | | | | This leaves more room for sysupgrade config data or for having multiple kernel images to choose from Signed-off-by: Felix Fietkau <nbd@nbd.name>
* config: ext4: increase x86 rootfs size to 2GB to support online resize2fsJo-Philipp Wich2016-10-271-1/+2
| | | | | | | | | | | | | | | | | | | The current default rootfs size of 256MB in conjunction with 4K blocks produces an ext4 filesystem which lacks the appropriate amount of backup GDT entries to support online-resizing. For x86 targets, increase the default rootfs size to 2048MB which allows online resizing the filesystem to up to 2TB which is the current theoretical maximum for LEDE, due to missing GPT support on the root block device. Note that the filesystem artefact will not occupy 2GB on the build system as the make_ext4fs utility uses sparse files to generate the filesystem images, so the actual disk usage is much lower. Furthermore the filesystem images are gzip compressed, shrinking them to only a few megabytes on the download server. Signed-off-by: Jo-Philipp Wich <jo@mein.io> Acked-by: Michael Heimpold <mhei@heimpold.de>
* config: ext4: drop option to set maximum number of inodesJo-Philipp Wich2016-10-271-7/+0
| | | | | | | | | | | There is very little practical use to limit the number of available inodes on an ext4 filesystem and the make_ext4fs utility is able to calculate useful defaults by itself. Drop the option to make resulting ext4 filesystems more flexible by default. Signed-off-by: Jo-Philipp Wich <jo@mein.io> Acked-by: Michael Heimpold <mhei@heimpold.de>
* config: enable shadow passwords unconditionallyMatthias Schiffer2016-09-261-3/+0
| | | | | | | | | | | | | Configurations without shadow passwords have been broken since the removal of telnet: as the default entry in /etc/passwd is not empty (but rather unset), there will be no way to log onto such a system by default. As disabling shadow passwords is not useful anyways, remove this configuration option. The config symbol is kept (for a while), as packages from feeds depend on it. Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
* images: bump default rootfs size to 256 MBFelix Fietkau2016-09-081-1/+1
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mvebu: add sdcard image creation scriptJosua Mayer2016-09-021-1/+1
| | | | | | | | | | | | | | | | Added gen_mvebu_sdcard_img.sh to facilitate creating an fixed-size sdcard image, adding the bootloader and populating it with actual data. Added the required rules for creating a 4GB sdcard image according to this layout: p0: boot (fat32) p1: rootfs (squashfs) p2: rootfs_data (ext4) This should be generic to any mvebu boards that can boot from block storage. Added the new sdcard image to the Clearfog image profile. Signed-off-by: Josua Mayer <josua.mayer97@gmail.com> Signed-off-by: Felix Fietkau <nbd@nbd.name> [cleanup]
* Add config symbols for kernel keyring supportNathaniel Wesley Filardo2016-09-021-0/+19
| | | | | | | | Enable selection of the kernel key retention framework and some of its additional facilities; see Documentation/security/keys.txt and security/keys/Kconfig for details Signed-off-by: Nathaniel Wesley Filardo <nwfilardo@gmail.com>
* apm821xx: use lzma compression for the initramfs imagesChristian Lamparter2016-07-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | The MR24's u-boot takes it sweet time decompressing the LZMA-packed initramfs image. A user reported that compared to the old gzip method in v2: it "takes a ton longer to decompress like 4\x the old boot time for decompression". This patch also fixes a issue with the WNDR4700's initramfs image getting to big and causing the following u-boot crash during the decompression: "Uncompressing Multi-File Image ... Error: inflate() returned -5 out-of-mem or overwrite error - must RESET board to recover" This patch fixes both issues by reverting the MR24's initramfs compression method back to gzip. And choosing to compress the initramfs within the initramfs image as LZMA by default. Cc: chrisrblake93@gmail.com Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
* config: remove options for including kernel/dtb in rootfsFelix Fietkau2016-07-201-41/+0
| | | | | | These options were a big design flaw to begin with Signed-off-by: Felix Fietkau <nbd@nbd.name>
* build: make TARGET_ROOTFS_JFFS2 depend on USES_JFFS2Felix Fietkau2016-07-201-1/+1
| | | | | | | If jffs2 support was not enabled by the target, jffs2 are quite likely to be broken, so we shouldn't build them. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* toolchain: get rid of GCC_VERSION_5 config symbolFelix Fietkau2016-07-151-2/+2
| | | | | | Replace it with !GCC_VERSION_4_8 to be more future compatible Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: Move POSIX ACL and attr support options into submenuDaniel Dickinson2016-07-051-72/+75
| | | | | | | Make global options menuconfig cleaner by moving POSIX ACL and attr support options into a submenu. Signed-off-by: Daniel Dickinson <openwrt@daniel.thecshore.com>
* kernel: Add option to make using filesystem ACL support the defaultDaniel Dickinson2016-06-301-0/+85
| | | | | | | This adds a configuration options that allows to make filesystem ACL support the default in the kernel, except for old nfs. Signed-off-by: Daniel Dickinson <openwrt@daniel.thecshore.com>
* config: add a small_flash featureJohn Crispin2016-06-131-1/+1
| | | | | | this causes KALLSYMS to be off by default Signed-off-by: John Crispin <john@phrozen.org>
* kernel: add missing symbolDaniel Golle2016-05-161-0/+6
| | | | | | | Add missing symbol When building kernel with profiling enabled and ARM or ARM64 targets. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* build: remove leftover dependenices on TARGET_rdcFelix Fietkau2016-05-121-1/+1
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* global: introduce ALL_NONSHARED symbolJo-Philipp Wich2016-04-131-0/+5
| | | | | | | | Introduce a new symbol ALL_NONSHARED which selects all non-sharable packages by default. This option is mainly intented for buildbot setups to build the target dependant software subset only. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* build: don't add -fno-plt for ARCFelix Fietkau2016-02-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | Curent ARC toolchain fails to build libstdc++ if -fno-plt is used. Lots of following error messages appear: ------------------->8------------------ ... staging_dir/toolchain-arc_arc700_gcc-arc-2015.06_uClibc-1.0.9/arc-openwrt-linux-uclibc/bin/ld: BFD (GNU Binutils) 2.23.2 assertion fail elf32-arc.c:2786 collect2: error: ld returned 1 exit status ------------------->8------------------ In newer binutils (still in development) for ARC rewritten from scratch this seem to not happen, so once new binutils for ARC hit the street this patch might be reverted. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Felix Fietkau <nbd@openwrt.org> Cc: Jo-Philipp Wich <jow@openwrt.org> Cc: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 48642
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