Bug #79159 [Opn->Csd]: end_language_parser.y:45.1-12: warning: POSIX Yacc does not support %pure-parse

From: Date: Fri, 23 Jul 2021 08:36:09 +0000
Subject: Bug #79159 [Opn->Csd]: end_language_parser.y:45.1-12: warning: POSIX Yacc does not support %pure-parse
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=79159&edit=1

 ID:                 79159
 Updated by:         nikic@php.net
 Reported by:        bugreports at gmaill dot com
 Summary:            end_language_parser.y:45.1-12: warning: POSIX Yacc
                     does not support %pure-parse
-Status:             Open
+Status:             Closed
 Type:               Bug
 Package:            Compile Warning
 PHP Version:        7.3Git-2020-01-23 (Git)
-Assigned To:        
+Assigned To:        nikic
 Block user comment: N
 Private report:     N

 New Comment:

Closing this as 7.3 is not supported, while the issue does not exist in 7.4.


Previous Comments:
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[2020-06-13 08:23:50] nikic@php.net

Related To: Bug #79697

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[2020-06-01 20:04:42] izorkin at gmail dot com

After running the command "genfiles", the error is returned.
Building php from github source.

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[2020-06-01 15:55:34] izorkin at gmail dot com

With AC_CHECK_PROG(YACC, bison, bison) fixed this issue.
Thanks.

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[2020-01-23 13:34:51] nikic@php.net

Ah, I think this is because 7.3 uses AC_PROG_YACC, while 7.4 uses AC_CHECK_PROG(YACC, bison, bison).

Does replacing AC_PROG_YACC in acinclude.m4 with AC_CHECK_PROG(YACC, bison, bison) fix this issue?

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[2020-01-23 13:31:53] nikic@php.net

Not obvious to me what the difference is. In 7.3 "genfiles" passes the -y flag, which
might cause this. But normal "make" should not be using "genfiles".

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