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Bison 3.1 check "examples/variant.cc" fails


From: Simon Sobisch
Subject: Bison 3.1 check "examples/variant.cc" fails
Date: Tue, 18 Sep 2018 11:52:15 +0200

Hi, I've tried to build Bison the first time from source using an old MinGW 
environment.
* configure finds several things to be missing and generates replacements in 
the lib directory (works very good btw)
* make passes
* make check fails:

$ make examples/variant.cc
  YACC     examples/variant.cc
?: m4 subprocess failed: No such file or directory
make: *** [examples/variant.cc] Error 1

I've attached config.log and as configure doesn't seem to check for m4 version 
1.4.6 prerequisite mentioned in README:

$ m4 --version
m4 (GNU M4) 1.4.16
Copyright (C) 2011 Free Software Foundation, Inc.


Is there anything more I can test?


Unrelated note: there was a single warning during make which may be possible to 
fix, too:


../lib/timevar.c:66:35: warning: 'struct rusage' declared inside parameter list
 extern int getrusage (int, struct rusage *);
                                   ^
../lib/timevar.c:66:35: warning: its scope is only this definition or 
declaration, which is probably not what you want

Thank you,
Simon

Attachment: config.log.tgz
Description: application/compressed


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