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parisc: remove arch/parisc/nm

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Parisc overrides 'nm' with a shell script. I was hit by a false-positive
error of $(NM) because this script returns the exit status of grep
instead of ${CROSS_COMPILE}nm. (grep returns 1 if no lines were selected)

I tried to fix it, but in the code review, Helge suggested to remove it
entirely. [1]

This script was added in 2003. [2]

Presumably, it was a workaround for old toolchains (but even the parisc
maintainer does not know the detail any more).

Hopefully, recent tools should work fine.

[1]: https://lore.kernel.org/all/1c12cd26-d8aa-4498-f4c0-29478b9578fe@gmx.de/
[2]: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=36eaa6e4c0e0b6950136b956b72fd08155b92ca3

Suggested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Masahiro Yamada 2022-05-27 23:39:31 +09:00
parent c25e1c5582
commit 534671e0ef
2 changed files with 0 additions and 7 deletions
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1
arch/parisc/Makefile
View file

@ -18,7 +18,6 @@
boot := arch/parisc/boot
KBUILD_IMAGE := $(boot)/bzImage
NM = sh $(srctree)/arch/parisc/nm
CHECKFLAGS += -D__hppa__=1
ifdef CONFIG_64BIT

6
arch/parisc/nm
View file

@ -1,6 +0,0 @@
#!/bin/sh
##
# Hack to have an nm which removes the local symbols. We also rely
# on this nm being hidden out of the ordinarily executable path
##
${CROSS_COMPILE}nm $* | grep -v '.LC*[0-9]*$'