mirror of https://gitee.com/bigwinds/arangodb
42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
dnl -*- mode: Autoconf; -*-
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dnl -----------------------------------------------------------------------------------------
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dnl check for flex
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dnl -----------------------------------------------------------------------------------------
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AC_MSG_NOTICE([................................................................................])
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AC_MSG_NOTICE([CHECKING FLEX])
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AC_MSG_NOTICE([................................................................................])
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AC_PROG_LEX
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tr_flex_usable=no
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if test "x$LEX" != x -a "x$LEX" != "x:"; then
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AC_MSG_CHECKING([if flex supports required features])
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[tr_flex_version=`$LEX --version | sed -e 's:^[^0-9]*::' | awk -F. '{print $1 * 10000 + $2 * 100 + $3}'`]
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if test "$tr_flex_version" -ge 20535; then
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tr_flex_usable=yes
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fi
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AC_MSG_RESULT($tr_flex_usable)
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fi
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if test "x$tr_flex_usable" != "xyes"; then
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AC_MSG_ERROR([Please install flex version 2.5.35 or higher from http://ftp.gnu.org/gnu/flex/])
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fi
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AC_MSG_CHECKING([FLEX version])
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TRI_FLEX_VERSION=`$LEX --version`
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AC_MSG_RESULT([$TRI_FLEX_VERSION])
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AM_CONDITIONAL(ENABLE_FLEX, test "x$tr_flex_usable" = xyes)
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dnl -----------------------------------------------------------------------------------------
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dnl informational output
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dnl -----------------------------------------------------------------------------------------
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LIB_INFO="$LIB_INFO|FLEX VERSION: ${TRI_FLEX_VERSION}"
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