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Paul Smith 4f1933620f kbuild: change kbuild to not rely on incorrect GNU make behavior 
The kbuild system takes advantage of an incorrect behavior in GNU make.
Once this behavior is fixed, all files in the kernel rebuild every time,
even if nothing has changed.  This patch ensures kbuild works with both
the incorrect and correct behaviors of GNU make.

For more details on the incorrect behavior, see:

http://lists.gnu.org/archive/html/bug-make/2006-03/msg00003.html

Changes in this patch:
  - Keep all targets that are to be marked .PHONY in a variable, PHONY.
  - Add .PHONY: $(PHONY) to mark them properly.
  - Remove any $(PHONY) files from the $? list when determining whether
    targets are up-to-date or not.

Signed-off-by: Paul Smith <psmith@gnu.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-03-06 00:09:51 +01:00
..
alpha [PATCH] alpha: set cpu_possible_map much earlier 2006-02-08 07:57:37 -08:00
arm kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
arm26 kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
cris [PATCH] fallout from ptrace consolidation patch: cris/arch-v10 2006-02-07 20:57:19 -05:00
frv [PATCH] FRV: Use virtual interrupt disablement 2006-02-14 16:09:35 -08:00
h8300 [PATCH] hrtimer: round up relative start time on low-res arches 2006-02-14 16:09:35 -08:00
i386 kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
ia64 kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
m32r kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
m68k [PATCH] hrtimer: round up relative start time on low-res arches 2006-02-14 16:09:35 -08:00
m68knommu [PATCH] hrtimer: round up relative start time on low-res arches 2006-02-14 16:09:35 -08:00
mips [MIPS] Fix typo in _sys32_rt_sigreturn and _sysn32_rt_sigreturn. 2006-02-14 19:13:26 +00:00
parisc [PATCH] hrtimer: round up relative start time on low-res arches 2006-02-14 16:09:35 -08:00
powerpc kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
ppc kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
s390 [PATCH] s390: sys32_fstatat -> sys32_fstatat64 2006-02-17 13:59:27 -08:00
sh kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
sh64 [PATCH] drive_info removal outside of arch/i386 2006-02-07 20:56:47 -05:00
sparc [SPARC]: sys_newfstatat --> sys_fstatat64 2006-02-12 23:30:11 -08:00
sparc64 [SPARC]: sys_newfstatat --> sys_fstatat64 2006-02-12 23:30:11 -08:00
um kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
v850 [PATCH] hrtimer: round up relative start time on low-res arches 2006-02-14 16:09:35 -08:00
x86_64 kbuild: change kbuild to not rely on incorrect GNU make behavior 2006-03-06 00:09:51 +01:00
xtensa [PATCH] Fix some ucLinux breakage from the tty updates 2006-02-03 08:32:04 -08:00