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new computer ./configure doesn't fail on LEX absence

From: Valentin Tolmer
Subject: new computer ./configure doesn't fail on LEX absence
Date: Thu, 12 Sep 2013 13:01:11 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130827 Icedove/17.0.8


After setting up bison on a new computer, and getting a successful bootstrap and configure, I try to make, and it fails with an error 1 (no more details) on LEX src/scan-code.c (the first lex file to compile). After rummaging a bit, I realize that I don't have flex installed, so I install it, but no cigar.
After another ./configure, though, the build is successful.
Any thoughts? I think the flex absence should be a configure fail if it prevents compilation.

Valentin Tolmer

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