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Commit 011bf125 authored by Masahiro Yamada's avatar Masahiro Yamada Committed by Michal Marek
Browse files

kbuild: allow to override Python command name 



The specification of Python 3 is largely different from that of
Python 2.

For example, arch/ia64/scripts/unwcheck.py seems to be written
in Python 2, not compatible with Python 3.

It is not a good idea to invoke python scripts with the hard-coded
command name 'python'. The command 'python' could possibly be
Python 3 on some systems.
For that case, it is reasonable to allow to override the command name
by giving 'PYTHON=python2' from the command line.

The 'python' in arch/ia64/Makefile should be replaced with '$(PYTHON)'.

Signed-off-by: default avatarMasahiro Yamada <yamada.m@jp.panasonic.com>
Cc: linux-ia64@vger.kernel.org
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent 1791ff71

Makefile

+2 −1
Original line number Diff line number Diff line
@@ -366,6 +366,7 @@ GENKSYMS = scripts/genksyms/genksyms 
INSTALLKERNEL  := installkernel

DEPMOD		= /sbin/depmod

PERL		= perl

PYTHON		= python

CHECK		= sparse



CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
@@ -416,7 +417,7 @@ KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(S 
export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION

export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC

export CPP AR NM STRIP OBJCOPY OBJDUMP

export MAKE AWK GENKSYMS INSTALLKERNEL PERL UTS_MACHINE

export MAKE AWK GENKSYMS INSTALLKERNEL PERL PYTHON UTS_MACHINE

export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS



export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS

arch/ia64/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -76,7 +76,7 @@ vmlinux.gz: vmlinux 
	$(Q)$(MAKE) $(build)=$(boot) $@



unwcheck: vmlinux

	-$(Q)READELF=$(READELF) python $(srctree)/arch/ia64/scripts/unwcheck.py $<

	-$(Q)READELF=$(READELF) $(PYTHON) $(srctree)/arch/ia64/scripts/unwcheck.py $<



archclean:

	$(Q)$(MAKE) $(clean)=$(boot)