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[sr #110573] AR_CONFIG_AUX_DIR(S) does not recognize shell vars nor abso


From: Zack Weinberg
Subject: [sr #110573] AR_CONFIG_AUX_DIR(S) does not recognize shell vars nor absolute paths
Date: Thu, 7 Dec 2023 20:47:32 -0500 (EST)

Follow-up Comment #2, sr#110573 (group autoconf):

We regret the delay in responding to this report.

Your suggested changes do not make sense to me.  There should be no behavioral
difference between


m4_bmatch([$1], [^/.*], [...])


and


m4_bmatch([$1], [^/], [...])


because m4_bmatch does not require the pattern to match the entire string. 
And anything that could match \$\{?[A-Za-z] should have been sent to the other
branch of the AS_LITERAL_WORD_IF.

Could you please provide some examples of _uses_ of AC_CONFIG_AUX_DIR that do
not work correctly for you with the code in 2.71?  As many as you have.


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