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[patch #7291] AX_CFLAGS_GCC_OPTION: Correct handling of indirectly named

From: Peter Kjellerstedt
Subject: [patch #7291] AX_CFLAGS_GCC_OPTION: Correct handling of indirectly named sh vars
Date: Thu, 26 Aug 2010 15:25:40 +0000
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8 ( .NET CLR 3.5.30729; .NET4.0C) 
Follow-up Comment #2, patch #7291 (project autoconf-archive):

Ouch, you were a bit too fast. We just noticed a problem when using the
updated macro with an older version of autoconf (e.g., 2.61 as used by
debian). AS_VAR_COPY() seems to be a relatively new addition to the API, and
did not exist in 2.61. On the other hand it is deprecated with newer versions
of autoconf (which is why I used AS_VAR_COPY() in the first place). 

Can you please replace the four lines with AS_VAR_COPY with this line:

 
m4_ifdef([AS_VAR_COPY],[AS_VAR_COPY([var],[VAR])],[var=AS_VAR_GET([VAR])])



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