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[Qemu-devel] [Bug 1347555] Re: qemu build failure, hxtool is a bash scri
From: |
Felix von Leitner |
Subject: |
[Qemu-devel] [Bug 1347555] Re: qemu build failure, hxtool is a bash script, not a /bin/sh script |
Date: |
Thu, 24 Jul 2014 09:17:05 -0000 |
It turns out that expr does not support ^ (at least according to the man
page). :-)
Still, you could do expr -$flag + 1 to do the same thing.
Is the ruckus just about this one place where $(( )) is used or are
there other non-Bourne-shell constructs?
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https://bugs.launchpad.net/bugs/1347555
Title:
qemu build failure, hxtool is a bash script, not a /bin/sh script
Status in QEMU:
New
Bug description:
hxtool (part of the early build process) is a bash script. Running it
with /bin/sh yields a syntax error on line 10:
10 STEXI*|ETEXI*|SQMP*|EQMP*) flag=$(($flag^1))
$(( expr )) is a bash extension, not part of /bin/sh.
Note that replacing the sh in the first line in hxtool with /bin/bash
does not help, because the script is run manually from the Makefile
with sh:
154 $(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -h < $<
> $@," GEN $@")
The fix is to change those lines to
154 $(call quiet-command,bash $(SRC_PATH)/scripts/hxtool -h <
$< > $@," GEN $@")
(there are five or so).
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