problem with make under cygwin
bertrand marquis
bertrand_marquis@yahoo.fr
Tue Jun 1 14:42:00 GMT 2004
thanks
i found also that passing -n to echo solve the problem ???? :
HAVE_DEVFS := $(shell grep 'CONFIG_DEVFS_FS=y' ../../linux/.config &>
/dev/null && echo -n "yes" || echo -n "no")
but thank you, your solution is so much better
Christopher Faylor a écrit:
>On Tue, Jun 01, 2004 at 10:00:21AM +0200, bertrand marquis wrote:
>
>
>>Hello
>>
>> i'm having a strange problem with the make command and shell.
>>
>>i try to run a makefile with this :
>>HAVE_DEVFS := $(shell grep 'CONFIG_DEVFS_FS=y' ../../linux/.config &>
>>/dev/null && echo "yes" || echo "no")
>>
>>the shell command is working out of a makefile but in the makefile the
>>HAVE_DEVFS variable only contain the output of the grep command. Does
>>anyone know why it doesn't work ?
>>
>>
>
>make uses /bin/sh. /bin/sh doesn't understand the >& construct. It
>is not portable.
>
>Use
>
>HAVE_DEVFS := $(shell grep 'CONFIG_DEVFS_FS=y' ../../linux/.config >/dev/null 2>&1 && echo "yes" || echo "no")
>
>instead.
>
>cgf
>
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