+++ /dev/null
-dnl AC_PROG_FLEX: Check whether the LEXer is flex, and which version it has
-dnl The first arg must be a version number with 3 parts.
-
-dnl hint: I guess you want to check for a version number higher to 2.5.31
-
-AC_DEFUN([_AC_PROG_FLEX_HELPER_TOO_OLD],[
- AC_MSG_NOTICE([Found flex is too old. Parsers won't get updated (Found v$FLEX_VERSION < v$1)])
- LEX="$SHELL $missing_dir/missing flex";
- AC_SUBST(LEXLIB, '')
-])
-
-AC_DEFUN([AC_PROG_FLEX],
- [
- AC_PROG_LEX
- if test "$LEX" != flex; then
- AC_MSG_NOTICE([Flex not found. Parsers won't get updated.])
- LEX="$SHELL $missing_dir/missing flex";
- AC_SUBST(LEXLIB, '')
- else
- if test "x$1" != "x" ; then
- dnl
- dnl We were asked to check the version number
- dnl
- set -x
- changequote(<<, >>)dnl because of the regexp [blabla]
- FLEX_VERSION=`flex --version | sed -e 's/^[^0-9]*//' -e 's/[^0-9]*$//'`
-
- FLEX_VER_MAJ=`echo "$FLEX_VERSION" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)/\1/'`
- FLEX_VER_MED=`echo "$FLEX_VERSION" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)/\2/'`
- FLEX_VER_MIN=`echo "$FLEX_VERSION" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)/\3/'`
-
- WANT_VER_MAJ=`echo $1 | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)/\1/'`;
- WANT_VER_MED=`echo $1 | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)/\2/'`;
- WANT_VER_MIN=`echo $1 | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)/\3/'`;
- changequote([, ])dnl back to normality, there is no regexp afterward
-
- if test "$FLEX_VER_MAJ" -lt "$WANT_VER_MAJ" ||
- test "$FLEX_VER_MAJ" -eq "$WANT_VER_MAJ" -a "$FLEX_VER_MED" -lt "$WANT_VER_MED" ||
- test "$FLEX_VER_MAJ" -eq "$WANT_VER_MAJ" -a "$FLEX_VER_MED" -eq "$WANT_VER_MED" -a "$FLEX_VER_MIN" -lt "$WANT_VER_MIN" ;
- then
- AC_MSG_NOTICE([Found flex is too old. Parsers won't get updated (Found v$FLEX_VERSION < v$1)])
- LEX="$SHELL $missing_dir/missing flex";
- AC_SUBST(LEXLIB, '')
- fi
- set +x
- fi
- fi
- AC_MSG_NOTICE([Flex found. Parsers will get updated])
- exit 0
-])
