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build: flex.m4: check for Flex.
authorAkim Demaille <akim@lrde.epita.fr>
Tue, 10 Apr 2012 19:36:19 +0000 (21:36 +0200)
committerAkim Demaille <akim@lrde.epita.fr>
Tue, 10 Apr 2012 19:37:06 +0000 (21:37 +0200)
commit0d49053a75ada3da6de8934fd9f4d08b8deb246a
tree596beaf2e80bf55bb780dc87522f339b7eb4fbe7tree | snapshot
parenta4e4295ad2c737bb64fc0b1fcb164a15e6b1f281commit | diff
build: flex.m4: check for Flex.

* m4/flex.m4 (_AC_PROG_LEX_YYTEXT_DECL): Check that $LEX
supports some of the Flex options, and exclusive start conditions.
Define FLEX to 'yes'/'', as AC_PROG_CC does for GCC.
m4/flex.m4 diff | blob | blame | history
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