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* kconfig: make allnoconfig disable options behind EMBEDDED and EXPERTJosh Triplett2014-04-081-0/+4
| | | | | | | | | | | | | | | | | | | | | | | "make allnoconfig" exists to ease testing of minimal configurations. Documentation/SubmitChecklist includes a note to test with allnoconfig. This helps catch missing dependencies on common-but-not-required functionality, which might otherwise go unnoticed. However, allnoconfig still leaves many symbols enabled, because they're hidden behind CONFIG_EMBEDDED or CONFIG_EXPERT. For instance, allnoconfig still has CONFIG_PRINTK and CONFIG_BLOCK enabled, so drivers don't typically get build-tested with those disabled. To address this, introduce a new Kconfig option "allnoconfig_y", used on symbols which only exist to hide other symbols. Set it on CONFIG_EMBEDDED (which then selects CONFIG_EXPERT). allnoconfig will then disable all the symbols hidden behind those. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Tested-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Documentation/kbuild/kconfig.txt: 'make listnewconfig' replaces: yes "" | ↵Regid Ichira2013-10-081-9/+2
| | | | | | | | | make oldconfig Signed-off-by: Regid Ichira <regid23@nt1.in> Acked-by: Rob Landley <rob@landley.net> [yann.morin.1998@free.fr: fix trailing whitespace, commit subject] Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
* kconfig: do not allow more than one symbol to have 'option modules'Yann E. MORIN2013-09-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Previously, it was possible to have more than one symbol with the 'option modules' attached to them, although only the last one would in fact control tristates. Since this does not make much sense, only allow at most one symbol to control tristates. Note: it is still possible to have more than one symbol that control tristates, but indirectly: config MOD1 bool "mod1" select MODULES config MOD2 bool "mod2" select MODULES config MODULES bool option modules Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* Merge branch 'yem-kconfig-rc-fixes' of ↵Michal Marek2013-07-231-5/+3
|\ | | | | | | git://gitorious.org/linux-kconfig/linux-kconfig into kbuild/kconfig
| * Documentation/kconfig: more concise and straightforward search explanationYann E. MORIN2013-07-161-5/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | Re-phrase the explanations on the sorting of search results, in a more concise and complete way. Drop reference to the user's locale when sorting alphabetically, since this is implicit. Reported-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Jean Delvare <jdelvare@suse.de> Reviewed-by: Jean Delvare <jdelvare@suse.de>
* | Merge branch 'kconfig' of ↵Linus Torvalds2013-07-111-0/+13
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig updates from Michal Marek: - dependency solver fix for make defconfig - randconfig fixes, one of which had to be reverted again - more user-friendly sorting of search results - hex and range keywords support longs - fix for [mn]conf not to rely on particular behavior of the LINES and COLS variables - cleanup of magic constants in kconfig/lxdialog - [mn]conf formatting fixes - fix for scripts/config's help text in out-of-tree usage (under a different name) * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kconfig: allow "hex" and "range" to support longs Revert "kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG" kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG kconfig: loop as long as we changed some symbols in randconfig kconfig/[mn]conf: make it explicit in the search box that a regexp is possible kconfig: sort found symbols by relevance kconfig/conf: print the seed used to initialise the RNG for randconfig kconfig/conf: accept a base-16 seed for randconfig kconfig/conf: fix randconfig setting multiple symbols in a choice scripts/config: replace hard-coded script name by a dynamic value mconf/nconf: mark empty menus/menuconfigs different from non-empty ones nconf: use function calls instead of ncurses' variables LINES and COLS mconf: use function calls instead of ncurses' variables LINES and COLS kconfig/lxdialog: handle newline characters in print_autowrap() kconfig/lxdialog: Use new mininimum resize definitions in conf_choice() kconfig/lxdialog: Add definitions for mininimum (re)size values kconfig: Fix defconfig when one choice menu selects options that another choice menu depends on
| * kconfig: sort found symbols by relevanceYann E. MORIN2013-06-241-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When searching for symbols, return the symbols sorted by relevance. Sorting is done as thus: - first, symbols that match exactly - then, alphabetical sort Since the search can be a regexp, it is possible that more than one symbol matches exactly. In this case, we can't decide which to sort first, so we fallback to alphabeticall sort. Explain this (new!) sorting heuristic in the documentation. Reported-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Jean Delvare <jdelvare@suse.de> Cc: Michal Marek <mmarek@suse.cz> Cc: Roland Eggner <edvx1@systemanalysen.net> Cc: Wang YanQing <udknight@gmail.com> -- Changes v1->v2: - drop the previous, complex heuristic in favour of a simpler heuristic that is both easier to understand, *and* to maintain (Jean) - explain sorting heuristic in the doc (Jean)
* | Finally eradicate CONFIG_HOTPLUGStephen Rothwell2013-06-031-1/+1
|/ | | | | | | | | | | | | | | | | | | Ever since commit 45f035ab9b8f ("CONFIG_HOTPLUG should be always on"), it has been basically impossible to build a kernel with CONFIG_HOTPLUG turned off. Remove all the remaining references to it. Cc: Russell King <linux@arm.linux.org.uk> Cc: Doug Thompson <dougthompson@xmission.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge branch 'misc' of ↵Linus Torvalds2013-05-071-2/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild updates from Michal Marek: "Non-critical kbuild changes: - make coccicheck improvements, but no new semantic patches this time - make rpm improvements - make tar-pkg change to include the architecture in the filename. This is a deliberate incompatibility, but nobody has complained so far and it is useful if you build for different architectures. It also matches what the deb-pkg and rpm-pkg targets produce. - kbuild documentation fix" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: rpm-pkg: Remove pointless set -e statements rpm-pkg: Always regenerate the specfile rpm-pkg: Do not write to the parent directory rpm-pkg: Do not package the whole source directory buildtar: Add ARCH to the archive name Coccinelle: Fix patch output when coccicheck is used with M= and C= Coccinelle: Add support to the SPFLAGS variable Coccinelle: Cleanup the setting of the FLAGS and OPTIONS variables Coccinelle: Restore coccicheck verbosity in ONLINE mode (C=1 or C=2) scripts/package/Makefile: compare objtree with srctree instead of test KBUILD_OUTPUT doc: change example to existing Makefile fragment scripts/tags.sh: Add magic for OFFSET and DEFINE
| * doc: change example to existing Makefile fragmentPaul Bolle2013-04-081-2/+3
| | | | | | | | | | | | Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Rob Landley <rob@landley.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'kconfig' of ↵Linus Torvalds2013-05-071-0/+36
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig updates from Michal Marek: - use pkg-config to detect curses libraries - clean up the way curses headers are searched - Some randconfig fixes, of which one had to be reverted - KCONFIG_SEED for randconfig debugging - memuconfig memory leak plugged - menuconfig > breadcrumbs > navigation - xconfig compilation fix - Other minor fixes * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kconfig: fix lists definition for C++ Revert "kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG" kconfig: implement KCONFIG_PROBABILITY for randconfig kconfig: allow specifying the seed for randconfig kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG kconfig: do not override symbols already set kconfig: fix randconfig tristate detection kconfig/lxdialog: rationalise the include paths where to find {.n}curses{,w}.h menuconfig: Add "breadcrumbs" navigation aid menuconfig: Fix memory leak introduced by jump keys feature merge_config.sh: Avoid creating unnessary source softlinks kconfig: optionally use pkg-config to detect ncurses libs menuconfig: optionally use pkg-config to detect ncurses libs
| * | kconfig: implement KCONFIG_PROBABILITY for randconfigYann E. MORIN2013-04-251-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently the odds to set each symbol is (rounded): booleans: y: 50% n: 50% tristates: y: 33% m: 33% n: 33% Introduce a KCONFIG_PROBABILITY environment variable to tweak the probabilities (in percentage), as such: KCONFIG_PROBABILITY y:n split y:m:n split ----------------------------------------------------------------- [1] unset or empty 50 : 50 33 : 33 : 34 [2] N N : 100-N N/2 : N/2 : 100-N N:M N+M : 100-(N+M) N : M : 100-(N+M) N:M:L N : 100-N M : L : 100-(M+L) [1] The current behaviour is kept as default, for backward compatibility [2] The solution initially implemented by Peter for Buildroot, see: http://git.buildroot.org/buildroot/commit/?id=3435c1afb5 Signed-off-by: Peter Korsgaard <jacmet@uclibc.org> [yann.morin.1998@free.fr: add to Documentation/] Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
| * | kconfig: allow specifying the seed for randconfigYann E. MORIN2013-04-251-0/+9
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For reproducibility, it can be useful to be able to specify the seed to use to seed the RNG. Add a new KCONFIG_SEED environment variable which can be set to the seed to use: $ make KCONFIG_SEED=42 randconfig $ sha1sum .config 70a128c8dcc61303069e1be352cce64114dfcbca .config $ make KCONFIG_SEED=42 randconfig $ sha1sum .config 70a128c8dcc61303069e1be352cce64114dfcbca .config It's very usefull for eg. debugging the kconfig parser. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
* / kbuild: fix ld-option functionAntony Pavlov2013-04-081-1/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The kbuild's ld-option function is broken because the command $(CC) /dev/null -c -o "$$TMPO" does not create object file! I have used a relatively old mips gcc 3.4.6 cross-compiler and a relatively new gcc 4.7.2 to check this fact but the results are the same. EXAMPLE: $ rm /tmp/1.o $ mips-linux-gcc /dev/null -c -o /tmp/1.o mips-linux-gcc: /dev/null: linker input file unused because linking not done $ ls -la /tmp/1.o ls: cannot access /tmp/1.o: No such file or directory We can easily fix the problem by adding the '-x c' compiler option. EXAMPLE: $ rm /tmp/1.o $ mips-linux-gcc -x c /dev/null -c -o /tmp/1.o $ ls -la /tmp/1.o -rw-r--r-- 1 antony antony 778 Apr 2 20:40 /tmp/1.o Also fix wrong ld-option example. Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* Merge branch 'kconfig' of ↵Linus Torvalds2013-02-272-23/+6
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig changes from Michal Marek: "I forgot to send a pull request in time for the v3.8-rc1 merge window, so the list is a bit longer this time: - menuconfig enables extended colors in ncurses if the wide-character version is used. - CONFIG_ prefix can be specified in the environment to make life easier for people using kconfig multiple times in a single tree (no functional change in the kernel kconfig usage). - kconfig aborts on OOM. - inputboxes in menuconfig allow to move the cursor. - menuconfig has Save/Load buttons now. - xconfig build fix with new g++ and Qt3. - nconfig color scheme fix and help text update. - make oldconfig prints newlines when output is redirected. - some other minor fixes." * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: Fix missing '\n' for NEW symbols in yes "" | make oldconfig >conf.new kconfig: nconf: rewrite labels of function keys line kconfig: nconf: rewrite help texts kconfig: fix a compiliation error when using make xconfig nconf: function keys line, change background color for better readability menuconfig: Get rid of the top-level entries for "Load an Alternate/Save an Alternate" menuconfig: Add Save/Load buttons kconfig:lxdialog: remove duplicate code menuconfig:inputbox: support navigate input position kconfig: document use of CONFIG_ environment variable scripts/kconfig: ensure we use proper CONFIG_ prefix merge_config.sh: Add option to specify output dir Revert "kconfig-language: add to hints" kconfig: Regenerate lexer kconfig: Fix malloc handling in conf tools kconfig: get CONFIG_ prefix from the environment kconfig: add a function to get the CONFIG_ prefix kconfig: remove CONFIG_ from string constants menuconfig: fix extended colors ncurses support
| * Merge branch 'kbuild/rc-fixes' into kbuild/kconfigMichal Marek2013-02-252-8/+9
| |\ | | | | | | | | | | | | There is one kconfig fix in the rc-fixes branch that I forgot to submit for 3.8, so let's add it to the kconfig branch for 3.9-rc1.
| * | kconfig: document use of CONFIG_ environment variableYann E. MORIN2012-12-251-0/+6
| | | | | | | | | | | | Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
| * | Revert "kconfig-language: add to hints"Yann E. MORIN2012-12-061-23/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 64b81ed7fb1e45c914317b20316f32827bc6444b. As Martin says about this paragraph: However, I can not reproduce this. The attached file contains both cases. [...] AFAICS, both versions behave equivalently. I suggest changing the documentation accordingly. [in http://marc.info/?l=linux-kbuild&m=134987006202410&w=2] Reported-by: Martin Walch <walch.martin@gmx.de> Cc: Martin Walch <walch.martin@gmx.de> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | kbuild: create a rule to run the pre-processor on *.dts filesStephen Warren2013-02-081-0/+23
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | Create cmd_dtc_cpp to run the C pre-processor on *.dts file before passing them to dtc for final compilation. This allows the use of #define and #include within the .dts file. Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Michal Marek <mmarek@suse.cz> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* | Merge branch 'for-linus' of ↵Linus Torvalds2012-12-131-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial branch from Jiri Kosina: "Usual stuff -- comment/printk typo fixes, documentation updates, dead code elimination." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits) HOWTO: fix double words typo x86 mtrr: fix comment typo in mtrr_bp_init propagate name change to comments in kernel source doc: Update the name of profiling based on sysfs treewide: Fix typos in various drivers treewide: Fix typos in various Kconfig wireless: mwifiex: Fix typo in wireless/mwifiex driver messages: i2o: Fix typo in messages/i2o scripts/kernel-doc: check that non-void fcts describe their return value Kernel-doc: Convention: Use a "Return" section to describe return values radeon: Fix typo and copy/paste error in comments doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c various: Fix spelling of "asynchronous" in comments. Fix misspellings of "whether" in comments. eisa: Fix spelling of "asynchronous". various: Fix spelling of "registered" in comments. doc: fix quite a few typos within Documentation target: iscsi: fix comment typos in target/iscsi drivers treewide: fix typo of "suport" in various comments and Kconfig treewide: fix typo of "suppport" in various comments ...
| * | doc: fix quite a few typos within DocumentationMasanari Iida2012-11-191-1/+1
| |/ | | | | | | | | | | Correct spelling typo in Documentations Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* / kbuild: centralize .dts->.dtb ruleStephen Warren2012-11-301-7/+8
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All architectures that use cmd_dtc do so in almost the same way. Create a central build rule to avoid duplication. The one difference is that most current uses of dtc build $(obj)/%.dtb from $(src)/dts/%.dts rather than building the .dtb in the same directory as the .dts file. This difference will be eliminated arch-by-arch in future patches. MIPS is the exception here; it already uses the exact same rule as the new common rule, so the duplicate is removed in this patch to avoid any conflict. arch/mips changes courtesy of Ralf Baechle. Update Documentation/kbuild to remove the explicit call to cmd_dtc from the example, now that the rule exists in a centralized location. Cc: Arnd Bergmann <arnd@arndb.de> Cc: linux-arm-kernel@lists.infradead.org Cc: Olof Johansson <olof@lixom.net> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: linux@lists.openrisc.net Cc: Aurelien Jacquiot <a-jacquiot@ti.com> Cc: linux-c6x-dev@linux-c6x.org Cc: Mark Salter <msalter@redhat.com> Cc: Michal Simek <monstr@monstr.eu> Cc: microblaze-uclinux@itee.uq.edu.au Cc: Chris Zankel <chris@zankel.net> Cc: linux-xtensa@linux-xtensa.org Cc: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
* UAPI: Remove the objhdr-y export listDavid Howells2012-10-021-4/+4
| | | | | | | | | | | Remove the objhdr-y export list as it is no longer used. genhdr-y should be used instead. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
* Merge branch 'kconfig' of ↵Linus Torvalds2012-05-281-9/+9
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig changes from Michal Marek: - Error handling for make KCONFIG_ALLCONFIG=<...> all*config plus a fix for a bug that was exposed by this - Fix for the script/config utility. * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/config: properly report and set string options kbuild: all{no,yes,mod,def,rand}config only read files when instructed to. kconfig: Add error handling to KCONFIG_ALLCONFIG
| * kconfig: Add error handling to KCONFIG_ALLCONFIGEric W. Biederman2012-05-051-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Only try to read the file specified if KCONFIG_ALL_CONFIG is set to something other than the empty string or "1". - Don't use stat to check the name passed to conf_read_simple so that zconf_fopen can find the file in the current directory or in SRCTREE removing a extremely source of confusing failure, where KCONFIG_ALL_CONFIG was not interpreted with respect to the directory make was called in. - If conf_read_simple fails complain clearly and stop processing. Allowing the simple debugging of typos. - Clearly document the behavior so it is clear to users which values are treated as flags and which values are treated as filenames. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | kbuild: document KBUILD_LDS, KBUILD_VMLINUX_{INIT,MAIN} and LDFLAGS_vmlinuxSam Ravnborg2012-05-051-0/+19
|/ | | | | | | Newly exported variables - used by link-vmlinux.sh Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* Documentation: mention scripts/diffconfig toolJavi Merino2012-03-311-5/+3
| | | | | | | | | | | The kconfig documentation suggests using plain 'diff' to compare config files and then adds "Yes, we need something better here". Commit a717417e7f96 ("kconfig: add diffconfig utility") added what that comment was looking for. Signed-off-by: Javi Merino <javi.merino@arm.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Documentation: Fix multiple typo in DocumentationMasanari Iida2012-03-071-1/+1
| | | | | | Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* kbuild: Add support for an "archheaders" targetH. Peter Anvin2011-11-171-18/+32
| | | | | | | | | | | | | | Add support for an "archheaders" target. This target can generate files that need to be installed for user space by "make headers_install" or "make headers_install_all". In order to support "make headers_install_all", it must be able to run without the tree having to be configured first. Cc: David Woodhouse <dwmw2@infradead.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* doc: fix wrong arch/i386 referencesWanlong Gao2011-06-131-19/+19
| | | | | | | | | | | | Change all "arch/i386" to "arch/x86" in Documentaion/, since the directory has changed. Also update the files which have changed their filename in the meantime accordingly. Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com> [jkosina@suse.cz: reword changelog] Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Merge branch 'kconfig-for-40' of ↵Linus Torvalds2011-05-262-6/+31
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kconfig-for-40' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: xconfig: merge code path to conf_write() kconfig: do not record timestamp in .config gconfig: Hide unused left treeview when start up the interface gconfig: enable rules hint for main treeviews MAINTAINERS: Update KCONFIG entry kconfig-language: add to hints kconfig: Document the new "visible if" syntax kconfig: quiet commands when V=0 kconfig: change update-po-config to reflect new layout of arch/um kconfig: make update-po-config work in KBUILD_OUTPUT kconfig: rearrange clean-files kconfig: change gconf to modify hostprogs-y like nconf and mconf kconfig: change qconf to modify hostprogs-y like nconf and mconf kconfig: only build kxgettext when needed nconfig: Silence unused return values from wattrset kconfig: Do not record timestamp in auto.conf and autoconf.h kconfig: get rid of unused flags kconfig: allow multiple inclusion of the same file kconfig: Avoid buffer underrun in choice input
| * kconfig: do not record timestamp in .configArnaud Lacombe2011-05-241-5/+0
| | | | | | | | | | Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * kconfig-language: add to hintsRandy Dunlap2011-05-021-0/+22
| | | | | | | | | | | | | | | | | | Explain a little about kconfig symbol dependencies and symbol existence given optional kconfig language scenarios. Yes, I was bitten by this. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * kconfig: Document the new "visible if" syntaxMichal Marek2011-05-021-1/+9
| | | | | | | | Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'kbuild' of ↵Linus Torvalds2011-05-242-0/+66
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: kbuild: make KBUILD_NOCMDDEP=1 handle empty built-in.o scripts/kallsyms.c: fix potential segfault scripts/gen_initramfs_list.sh: Convert to a /bin/sh script kbuild: Fix GNU make v3.80 compatibility kbuild: Fix passing -Wno-* options to gcc 4.4+ kbuild: move scripts/basic/docproc.c to scripts/docproc.c kbuild: Fix Makefile.asm-generic for um kbuild: Allow to combine multiple W= levels kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0 Fix handling of backlash character in LINUX_COMPILE_BY name kbuild: asm-generic support kbuild: implement several W= levels kbuild: Fix build with binutils <= 2.19 initramfs: Use KBUILD_BUILD_TIMESTAMP for generated entries kbuild: Allow to override LINUX_COMPILE_BY and LINUX_COMPILE_HOST macros kbuild: Drop unused LINUX_COMPILE_TIME and LINUX_COMPILE_DOMAIN macros kbuild: Use the deterministic mode of ar kbuild: Call gzip with -n kbuild: move KALLSYMS_EXTRA_PASS from Kconfig to Makefile Kconfig: improve KALLSYMS_ALL documentation Fix up trivial conflict in Makefile
| * | kbuild: Fix passing -Wno-* options to gcc 4.4+Michal Marek2011-05-031-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Starting with 4.4, gcc will happily accept -Wno-<anything> in the cc-option test and complain later when compiling a file that has some other warning. This rather unexpected behavior is intentional as per http://gcc.gnu.org/PR28322, so work around it by testing for support of the opposite option (without the no-). Introduce a new Makefile function cc-disable-warning that does this and update two uses of cc-option in the toplevel Makefile. Reported-and-tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: asm-generic supportSam Ravnborg2011-04-281-0/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is an increasing amount of header files shared between individual architectures in asm-generic. To avoid a lot of dummy wrapper files that just include the corresponding file in asm-generic provide some basic support in kbuild for this. With the following patch an architecture can maintain a list of files in the file arch/$(ARCH)/include/asm/Kbuild To use a generic file just add: generic-y += <name-of-header-file.h> For each file listed kbuild will generate the necessary wrapper in arch/$(ARCH)/include/generated/asm. When installing userspace headers a wrapper is likewise created. The original inspiration for this came from the unicore32 patchset - although a different method is used. The patch includes several improvements from Arnd Bergmann. Michael Marek contributed Makefile.asm-generic. Remis Baima did an intial implementation along to achive the same - see https://patchwork.kernel.org/patch/13352/ Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Tested-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: Fix build with binutils <= 2.19Michal Marek2011-04-201-0/+5
| | | | | | | | | | | | | | | | | | The D option of ar is only available in newer versions. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | initramfs: Use KBUILD_BUILD_TIMESTAMP for generated entriesMichal Marek2011-04-181-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | gen_init_cpio gets the current time and uses it for each symlink, special file, and directory. Grab the current time once and make it possible to override it with the KBUILD_BUILD_TIMESTAMP variable for reproducible builds. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: Allow to override LINUX_COMPILE_BY and LINUX_COMPILE_HOST macrosMichal Marek2011-04-181-0/+12
| |/ | | | | | | | | | | | | | | | | | | Make it possible to override the user@host string displayed during boot and in /proc/version by the environment variables KBUILD_BUILD_USER and KBUILD_BUILD_HOST. Several distributions patch scripts/mkcompile_h to achieve this, so let's provide an official way. Also, document the KBUILD_BUILD_TIMESTAMP variable while at it. Signed-off-by: Michal Marek <mmarek@suse.cz>
* / Fix common misspellingsLucas De Marchi2011-03-311-4/+4
|/ | | | | | Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* Merge branch 'kbuild' of ↵Linus Torvalds2011-03-211-0/+5
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: kbuild: Make DEBUG_SECTION_MISMATCH selectable, but not on by default genksyms: Regenerate lexer and parser genksyms: Track changes to enum constants genksyms: simplify usage of find_symbol() genksyms: Add helpers for building string lists genksyms: Simplify printing of symbol types genksyms: Simplify lexer genksyms: Do not paste the bison header file to lex.c modpost: fix trailing comma KBuild: silence "'scripts/unifdef' is up to date." kbuild: Add extra gcc checks kbuild: reenable section mismatch analysis unifdef: update to upstream version 2.5
| * kbuild: Add extra gcc checksBorislav Petkov2011-03-091-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a 'W=1' Makefile switch which adds additional checking per build object. The idea behind this option is targeted at developers who, in the process of writing their code, want to do the occasional make W=1 [target.o] and let gcc do more extensive code checking for them. Then, they could eyeball the output for valid gcc warnings about various bugs/discrepancies which are not reported during the normal build process. For more background information and a use case, read through this thread: http://marc.info/?l=kernel-janitors&m=129802065918147&w=2 Cc: Michal Marek <mmarek@suse.cz> Cc: linux-kbuild@vger.kernel.org Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | kbuild, mtd, net: a few comment typo fixes and rewordingGilles Espinasse2011-02-172-2/+3
|/ | | | | Signed-off-by: Gilles Espinasse <g.esp@free.fr> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds2011-01-101-0/+15
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6: (29 commits) of/flattree: forward declare struct device_node in of_fdt.h ipmi: explicitly include of_address.h and of_irq.h sparc: explicitly cast negative phandle checks to s32 powerpc/405: Fix missing #{address,size}-cells in i2c node powerpc/5200: dts: refactor dts files powerpc/5200: dts: Change combatible strings on localbus powerpc/5200: dts: remove unused properties powerpc/5200: dts: rename nodes to prepare for refactoring dts files of/flattree: Update dtc to current mainline. of/device: Don't register disabled devices powerpc/dts: fix syntax bugs in bluestone.dts of: Fixes for OF probing on little endian systems of: make drivers depend on CONFIG_OF instead of CONFIG_PPC_OF of/flattree: Add of_flat_dt_match() helper function of_serial: explicitly include of_irq.h of/flattree: Refactor unflatten_device_tree and add fdt_unflatten_tree of/flattree: Reorder unflatten_dt_node of/flattree: Refactor unflatten_dt_node of/flattree: Add non-boottime device tree functions of/flattree: Add Kconfig for EARLY_FLATTREE ... Fix up trivial conflict in arch/sparc/prom/tree_32.c as per Grant.
| * of: Add support for linking device tree blobs into vmlinuxDirk Brandewie2010-12-231-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for linking device tree blob(s) into vmlinux. Modifies asm-generic/vmlinux.lds.h to add linking .dtb sections into vmlinux. To maintain compatiblity with the of/fdt driver code platforms MUST copy the blob to a non-init memory location before the kernel frees the .init.* sections in the image. Modifies scripts/Makefile.lib to add a kbuild command to compile DTS files to device tree blobs and a rule to create objects to wrap the blobs for linking. STRUCT_ALIGNMENT is defined in vmlinux.lds.h for use in the rule to create wrapper objects for the dtb in Makefile.lib. The STRUCT_ALIGN() macro in vmlinux.lds.h is modified to use the STRUCT_ALIGNMENT definition. The DTB's are placed on 32 byte boundries to allow parsing the blob with driver/of/fdt.c during early boot without having to copy the blob to get the structure alignment GCC expects. A DTB is linked in by adding the DTB object to the list of objects to be linked into vmlinux in the archtecture specific Makefile using obj-y += foo.dtb.o Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com> Acked-by: Michal Marek <mmarek@suse.cz> [grant.likely@secretlab.ca: cleaned up whitespace inconsistencies] Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* | Merge branch 'misc' of ↵Linus Torvalds2011-01-101-1/+5
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: Documentation/kbuild: add info that 'choice' can have a symbol name kbuild: add numeric --set-val option to scripts/config headers_check: Fix warning text headers_check: better search for functions in headers scripts/coccinelle: update for compatability with Coccinelle 0.2.4 tags: put function prototypes back! Kconfig: fix single letter command in scripts/config gitignore: add scripts/recordmcount
| * | Documentation/kbuild: add info that 'choice' can have a symbol nameYann E. MORIN2010-12-211-1/+5
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | Changeset 5a1aa8a1 added the possibility to name a choice, and to have the same choice be defined multiple times. But the documentation was forgotten, so this updates it accordingly. Thanks to Arnaud Lacombe for pointing it to me in the first place: http://www.spinics.net/lists/linux-kbuild/msg03940.html Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'packaging' of ↵Linus Torvalds2011-01-101-0/+8
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'packaging' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: deb-pkg: s/hdr/kernel_headers_/ && s/header/libc_headers_/ deb-pkg: Make deb-pkg generate a seperate linux-libc-dev deb kbuild: create linux-headers package in deb-pkg kbuild, deb-pkg: support overriding userland architecture kbuild, deb-pkg: select userland architecture based on UTS_MACHINE kbuild, deb-pkg: Fix build with paranoid umask
| * | kbuild, deb-pkg: support overriding userland architectureAsbjoern Sloth Toennesen2010-12-201-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Usefull if building for sparc64 userland, because the sparc and sparc64 userlands use the same 64-bit kernel, making it impossible to always select the correct userland architecture for the resulting debian package. Might also be usefull, if you want a i386 userland with a amd64 kernel. Example usage: make KBUILD_DEBARCH=i386 deb-pkg LKML-reference: <alpine.DEB.2.02.1011051437500.13287@aurora.sdinet.de> Signed-off-by: Asbjoern Sloth Toennesen <asbjorn@asbjorn.biz> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> Acked-by: maximilian attems <max@stro.at> Signed-off-by: Michal Marek <mmarek@suse.cz>
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