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| From: | Paolo Bonzini |
| Subject: | Re: echo vs. printf regression (darwin8) |
| Date: | Sun, 15 Aug 2010 20:01:15 +0200 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.10) Gecko/20100621 Fedora/3.0.5-1.fc13 Lightning/1.0b2pre Mnenhy/0.8.3 Thunderbird/3.0.5 |
On 08/15/2010 06:59 PM, David Fang wrote:
Hi, The ECHO that is chosen by autoconf on darwin8 (printf %s\n) is buggy: fangism % printf %s\n foo foonfangism% printf '%s\n' foo foo Must be due to the version of the Bourne shell (2.05b). Failure is similar with sh-3.2. The 'correct' value of ECHO should be printf '%s\n' (note the extra single quote protection). I don't know yet whether that is forward-compatible with newer versions of Bourne shell. Don't recall which version of autoconf broke this, betweem 2.63 and latest.
The problem seems to be in the way that "printf '%s\n'" is assigned to as_echo.
Paolo
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