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per the recommended style guide for autoconf and so that individual autoconf functions can more easily be shared across projects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16223 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
376 B
Plaintext
18 lines
376 B
Plaintext
#
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# Check for FLEX.
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#
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# This macro verifies that flex is installed. If successful, then
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# 1) $LEX is set to "flex" (to emulate lex calls)
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# 2) BISON is set to bison
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AC_DEFUN([AC_PROG_FLEX],
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[AC_CACHE_CHECK(,
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ac_cv_has_flex,
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[AC_PROG_LEX()
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])
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if test "$LEX" != "flex"; then
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AC_MSG_ERROR([flex not found but required])
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else
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AC_SUBST(FLEX,[flex],[location of flex])
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fi
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])
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