20 lines
689 B
Plaintext
20 lines
689 B
Plaintext
## Replacement for AC_PROG_LEX. -*- Autoconf -*-
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## by Alexandre Oliva <oliva@dcc.unicamp.br>
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# Copyright (C) 1998-2013 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# AM_PROG_LEX
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# -----------
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# Autoconf leaves LEX=: if lex or flex can't be found. Change that to a
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# "missing" invocation, for better error output.
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AC_DEFUN([AM_PROG_LEX],
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[AC_PREREQ([2.50])dnl
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AC_REQUIRE([AM_MISSING_HAS_RUN])dnl
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AC_REQUIRE([AC_PROG_LEX])dnl
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if test "$LEX" = :; then
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LEX=${am_missing_run}flex
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fi])
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