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[Octave-bug-tracker] [bug #60601] AC_PROG_LEX without either yywrap or n
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From: |
John W. Eaton |
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Subject: |
[Octave-bug-tracker] [bug #60601] AC_PROG_LEX without either yywrap or noyywrap is obsolete |
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Date: |
Thu, 13 May 2021 11:29:54 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 |
Follow-up Comment #1, bug #60601 (project octave):
I started to apply this change
diff --git a/m4/acinclude.m4 b/m4/acinclude.m4
--- a/m4/acinclude.m4
+++ b/m4/acinclude.m4
@@ -3819,8 +3819,9 @@ AC_DEFUN([OCTAVE_PROG_FLEX], [
## it, and it might not be installed.
##
## Also make sure that we generate an interactive scanner if we are
- ## using flex.
- AC_PROG_LEX
+ ## using flex. We declare %noyywrap in the lexer files so we use the
+ ## noyywrap option here to skip the search for that function.
+ AC_PROG_LEX(noyywrap)
case "`$LEX --version`" in
*flex*)
LFLAGS="-I"
but then realized that it would force the build to require autoconf 2.70. Is
that something we want to do?
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