- 04 9月, 2015 1 次提交
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由 Michal Marek 提交于
We cannot detect clang before including the arch Makefile, because that can set the default cross compiler. We also cannot detect clang after including the arch Makefile, because powerpc wants to know about clang. Solve this by using an deferred variable. This costs us a few shell invocations, but this is only a constant number. Reported-by: NBehan Webster <behanw@converseincode.com> Reported-by: NAnton Blanchard <anton@samba.org> Signed-off-by: NMichal Marek <mmarek@suse.com>
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- 10 1月, 2015 3 次提交
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由 Masahiro Yamada 提交于
The macro "try-run" can have an argument for each of true and false cases. Having an argument for the false case of cc-ifversion (and ld-ifversion) would be useful too. Signed-off-by: NMasahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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由 Masahiro Yamada 提交于
The macros cc-version, cc-fullversion and ld-version take no argument. It is not necessary to add $(call ...) to invoke them. Signed-off-by: NMasahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Helge Deller <deller@gmx.de> [parisc] Signed-off-by: NMichal Marek <mmarek@suse.cz>
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由 Masahiro Yamada 提交于
The macro "cc-version" takes no argument. Drop $(CC) from the "cc-ifversion" definition. Signed-off-by: NMasahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 03 12月, 2014 1 次提交
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由 Masahiro Yamada 提交于
Passing -rR for "make headers_install" is redundant because the top Makefile has already set -rR to MAKEFLAGS. Signed-off-by: NMasahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 26 11月, 2014 1 次提交
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由 Masahiro Yamada 提交于
The shorthand "clean" is defined in both the top Makefile and scripts/Makefile.clean. Likewise, the "hdr-inst" is defined in both the top Makefile and scripts/Makefile.headersinst. To reduce code duplication, this commit collects them into scripts/Kbuild.include like the "build" and "modbuiltin" shorthands. It requires scripts/Makefile.clean to include scripts/Kbuild.include, but its impact on the performance of "make clean" should be negligible. Signed-off-by: NMasahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 22 10月, 2014 1 次提交
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由 Robert Richter 提交于
Move dtbs install rules to Makefile.dtbinst. This change is needed to implement support for dts vendor subdirs. The change makes Makefiles easier and smaller as no longer the dtbs_install rule needs to be defined. Another advantage is that install goals are not encoded in targets anymore (%.dtb_dtbinst_). Signed-off-by: NRobert Richter <rrichter@cavium.com>
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- 02 10月, 2014 1 次提交
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由 Masahiro Yamada 提交于
$(if $(KBUILD_SRC),$(srctree)/) was a useful strategy to omit a long absolute path for in-source-tree build prior to commit 890676c6 (kbuild: Use relative path when building in the source tree). Now $(srctree) is "." when building in the source tree. It would not be annoying to add "$(srctree)/" all the time. Signed-off-by: NMasahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 08 8月, 2014 1 次提交
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由 Michal Marek 提交于
Commit c353acba ("kbuild: make: fix if_changed when command contains backslashes") attempted to handle backslashes in *.cmd files, but it only handled double backslashes for some reason. Changing make-cmd to also handle single backslashes fixes rebuilds with dash, but it breaks bash again. The reason is that the two shells disagree about the interpretation of backslash sequences in the echo builtin. The way out of this is to print the command with printf '%s\n'. While at it, document what the individual parts of make-cmd do and why. Reported-and-tested-by: NKonstantin Khlebnikov <koct9i@gmail.com> Reviewed-by: NSam Ravnborg <sam@ravnborg.org> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 30 3月, 2014 1 次提交
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由 Masahiro Yamada 提交于
Signed-off-by: NMasahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 14 2月, 2014 1 次提交
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由 Andi Kleen 提交于
To check the linker version. Used by the LTO makefile. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1391846481-31491-9-git-send-email-ak@linux.intel.comSigned-off-by: NH. Peter Anvin <hpa@linux.intel.com>
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- 08 4月, 2013 1 次提交
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由 Antony Pavlov 提交于
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: NAntony Pavlov <antonynpavlov@gmail.com> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 06 10月, 2012 1 次提交
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由 Sascha Hauer 提交于
The call if_changed mechanism does not work when the command contains backslashes. This basically is an issue with lzo and bzip2 compressed kernels. The compressed binaries do not contain the uncompressed image size, so these use size_append to append the size. This results in backslashes in the executed command. With this if_changed always detects a change in the command and rebuilds the compressed image even if nothing has changed. Fix this by escaping backslashes in make-cmd Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de> Signed-off-by: NJan Luebbe <jlu@pengutronix.de> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Bernhard Walle <bernhard@bwalle.de> Cc: Michal Marek <mmarek@suse.cz> Cc: <stable@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 03 10月, 2012 1 次提交
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由 Jean Delvare 提交于
The correct syntax for gcc -x is "gcc -x assembler", not "gcc -xassembler". Even though the latter happens to work, the former is what is documented in the manual page and thus what gcc wrappers such as icecream do expect. This isn't a cosmetic change. The missing space prevents icecream from recognizing compilation tasks it can't handle, leading to silent kernel miscompilations. Besides me, credits go to Michael Matz and Dirk Mueller for investigating the miscompilation issue and tracking it down to this incorrect -x parameter syntax. Signed-off-by: NJean Delvare <jdelvare@suse.de> Acked-by: NIngo Molnar <mingo@kernel.org> Cc: stable@vger.kernel.org Cc: Bernhard Walle <bernhard@bwalle.de> Cc: Michal Marek <mmarek@suse.cz> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 25 3月, 2012 1 次提交
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由 Bernhard Walle 提交于
"echo -e" is a GNU extension. When cross-compiling the kernel on a BSD-like operating system (Mac OS X in my case), this doesn't work. One could install a GNU version of echo, put that in the $PATH before the system echo and use "/usr/bin/env echo", but the solution with printf is simpler. Since it is no disadvantage on Linux, I hope that gets accepted even if cross-compiling the Linux kernel on another Unix operating system is quite a rare use case. Signed-off-by: NBernhard Walle <bernhard@bwalle.de> Andreas Bießmann <andreas@biessmann.de> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 10 6月, 2011 1 次提交
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由 Arnaud Lacombe 提交于
On the same model as `basetarget', it represents the filename of first prerequisite with directory and extension stripped. Signed-off-by: NArnaud Lacombe <lacombar@gmail.com>
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- 16 5月, 2011 1 次提交
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由 Michal Marek 提交于
Based on a patch by Rabin Vincent. Fix building with KBUILD_NOCMDDEP=1, which currently does not work because it does not build built-in.o with no dependencies: LD fs/notify/built-in.o ld: cannot find fs/notify/dnotify/built-in.o: No such file or directory ld: cannot find fs/notify/inotify/built-in.o: No such file or directory ld: cannot find fs/notify/fanotify/built-in.o: No such file or directory Reported-and-tested-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 03 5月, 2011 1 次提交
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由 Michal Marek 提交于
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: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 20 4月, 2011 1 次提交
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由 Michal Marek 提交于
The D option of ar is only available in newer versions. Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 12 12月, 2009 1 次提交
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由 Michal Marek 提交于
To make it easier for module-init-tools and scripts like mkinitrd to distinguish builtin and missing modules, install a modules.builtin file listing all builtin modules. This is done by generating an additional config file (tristate.conf) with tristate options set to uppercase 'Y' or 'M'. If we source that config file, the builtin modules appear in obj-Y. Signed-off-by: NMichal Marek <mmarek@suse.cz>
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- 12 10月, 2009 1 次提交
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由 Amerigo Wang 提交于
Alek reported that on Ubuntu, where dash is used, 'echo -e' can't work, so let's use non-builtin echo in this case. Reported-by: NAlek Du <alek.du@intel.com> Signed-off-by: NWANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 20 9月, 2009 3 次提交
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由 Jory A. Pratt 提交于
The arch/*/boot/Makefile use cc-options to check for GCC command options and cc-options use the hardened specs when checking for GCC command options. When -fPIE is pass to cc1 it can't use -ffreestanding or -fno-toplevel-reorder. Then it fail to build stuff with -ffreestanding and -fno-toplevel-reorder. Thanks to Fredric Johansson for finding the main problem behind a failed build using a hardened toolchain. Signed-off-by: NMagnus Granberg <zorry@ume.nu> Signed-off-by: NJory A. Pratt <anarchy@gentoo.org> Cc: Fredric Johansson <johansson_fredric@hotmail.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Cc: <stable@kernel.org> Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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由 Sam Ravnborg 提交于
ld-option is used to check if $(LD) supports a specific option. Based on patch from Andi Kleen. Cc: Andi Kleen <ak@linux.intel.com> Signed-off-by: NSam Ravnborg <sam@ravnborg.org> First use is to check if option -X is supported (upcoming patch). Theis is ne
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由 Sam Ravnborg 提交于
ld-option is misnamed as it test options to gcc, not to ld. Renamed it to reflect this. Cc: Andi Kleen <andi@firstfloor.org> Cc: Roland McGrath <roland@redhat.com> Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 04 12月, 2008 3 次提交
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由 Mike Frysinger 提交于
Convert a few echos in the build system to new $(kecho) so we get correct output according to build verbosity. Signed-off-by: NMike Frysinger <vapier@gentoo.org> [sam: added kecho in a few more places for O=... builds] Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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由 Mike Frysinger 提交于
There is a bunch of places in the build system where we do 'echo' to show some nice status lines. This means we still get output when running in silent mode. So declare a new KECHO variable that only does 'echo' when we are in a suitable verbose build mode. Signed-off-by: NMike Frysinger <vapier@gentoo.org> [sam: added Documentation] Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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由 Sam Ravnborg 提交于
When adding extra -I options with O=... we could end up in a situation where there were no parameters to -I. So we had a commandline that looked like this: ... -I -Wall ... This had the undesired side effect that gcc assumed "-Wall" was a path to look for include files so this options was effectively ignored. This happens only when we build the generated module.mod.c files as part of the final modules builds and is as such harmless with current kbuild. This bug was exposed when we rearranged the options to gcc. Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 10 9月, 2008 1 次提交
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由 H. Peter Anvin 提交于
David Sanders wrote: > I'm getting this error: > as: unrecognized option `-mtune=generic32' > I have binutils 2.17. Use -c instead of -S in cc-option and cc-option-yn, so we can probe options related to the assembler. Signed-off-by: NH. Peter Anvin <hpa@zytor.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: kbuild devel <kbuild-devel@lists.sourceforge.net> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 12 2月, 2008 1 次提交
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由 Sam Ravnborg 提交于
When make -s support were added to filechk to combination created with make V=1 were not covered. Fix it by explicitly cover this case too. Signed-off-by: NSam Ravnborg <sam@ravnborg.org> Cc: Mike Frysinger <vapier@gentoo.org>
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- 09 2月, 2008 1 次提交
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 20 10月, 2007 1 次提交
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由 Sam Ravnborg 提交于
cc-cross-prefix is useful for the architecture that like to provide a default CROSS_COMPILE value, but may have several to select between. Sample usage: ifneq ($(SUBARCH),$(ARCH)) ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-) endif endif Actual usage by the different archs will taken care of later. Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 16 10月, 2007 1 次提交
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由 Sam Ravnborg 提交于
The variable AFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. On top of that several people over time has asked for a way to pass in additional flags to gcc. This patch replace use of AFLAGS with KBUILD_AFLAGS all over the tree. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k, s390 Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 15 10月, 2007 1 次提交
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由 Sam Ravnborg 提交于
The variable CFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. On top of that several people over time has asked for a way to pass in additional flags to gcc. This patch replace use of CFLAGS with KBUILD_CFLAGS all over the tree and enabling one to use: make CFLAGS=... to specify additional gcc commandline options. One usecase is when trying to find gcc bugs but other use cases has been requested too. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k Test was simple to do a defconfig build, apply the patch and check that nothing got rebuild. Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 17 7月, 2007 1 次提交
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由 Segher Boessenkool 提交于
Prints a six-digit string including the GCC patchlevel. Also fix the 'usage' comment for cc-version. Signed-off-by: NSegher Boessenkool <segher@kernel.crashing.org> Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 10 2月, 2007 1 次提交
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由 Roman Zippel 提交于
This adds the remaining changes which should have been part of the review process. - the define command is inappropriate (it's primarily for rule definitions) - execute commands in the current dir as all other commands - .*.tmp (but not .*.null) files are also removed up by "make clean" - printf has other side effects, just use "echo -e" - proper quoting - proper indentation Signed-off-by: NRoman Zippel <zippel@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 09 2月, 2007 1 次提交
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由 Linus Torvalds 提交于
Michal Ostrowski points out what the real problem was: the spaces at the start of the definition of the 'checker-shell' make function. Cc: Michal Ostrowski <mostrows@watson.ibm.com> Acked-by: NDavid Miller <davem@davemloft.net> Acked-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: NOleg Verych <olecom@flower.upol.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 08 2月, 2007 2 次提交
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由 Linus Torvalds 提交于
It looks like GNU make version 3.80 (but apparently not 3.81) adds leading whitespace to the result of the checker-shell execution. This strips them off explicitly. Also, don't bother symlinking the output file to /dev/null. It's likely as expensive as just writing the temp-file, and we need to remove it anyway afterwards. Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Oleg Verych 提交于
Do not use whitespace in arguments of functions in makefiles, as they propagate further without notice. Thus we get + echo ' y' instead of + echo y Fix misleading comments. Signed-off-by: NOleg Verych <olecom@flower.upol.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 07 2月, 2007 1 次提交
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由 Oleg Verych 提交于
GNU binutils, root users, tmpfiles, external modules ro builds must be fixed to do the right thing now. Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Horst Schirmeier <horst@schirmeier.com> Cc: Jan Beulich <jbeulich@novell.com> Cc: Daniel Drake <dsd@gentoo.org> Cc: Andi Kleen <ak@suse.de> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NOleg Verych <olecom@flower.upol.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 11 12月, 2006 1 次提交
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由 Roman Zippel 提交于
The as-instr/ld-option need to create temporary files, but create them in the output directory, when compiling external modules. Reformat them a bit and use $(CC) instead of $(AS) as the former is used by kbuild to assemble files. Signed-off-by: NRoman Zippel <zippel@linux-m68k.org> Cc: Andi Kleen <ak@suse.de> Cc: Jan Beulich <jbeulich@novell.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: <jpdenheijer@gmail.com> Cc: Horst Schirmeier <horst@schirmeier.com> Cc: Daniel Drake <dsd@gentoo.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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