-# check for pgrep
-AC_PATH_PROG([PGREP], [pgrep], [no])
-AM_CONDITIONAL([HAS_PGREP], [test "x$PGREP" != "xno"])
-
-# check for bison
-have_bison=yes
-
-AS_IF([test "x$(basename "$YACC")" != "xbison -y"], [have_bison=no])
-AC_PATH_PROG([BISON], [bison])
-AX_PROG_BISON_VERSION([2.4], [], [have_bison=no])
-
-AS_IF([test "x$have_bison" = "xno"], [
- AS_IF([test "x$in_git_repo" = "xyes"], [
- AC_MSG_ERROR([Bison >= 2.4 is required when building from the Git repository.])
- ], [
- AC_MSG_WARN([
-Missing Bison >= 2.4. Note that the parser files are already built in
-this distribution tarball, so Bison is only needed if you intend to
-modify their sources.
- ])
- ])
-])
-
-# export bison condition
-AM_CONDITIONAL([HAVE_BISON], [test "x$have_bison" = "xyes"])
-
-# check for flex
-have_flex=yes
-
-AS_IF([test "x$LEX" != "xflex"], [have_flex=no])
-AC_PATH_PROG([FLEX], [flex])
-AX_PROG_FLEX_VERSION([2.5.35], [], [have_flex=no])
-
-AS_IF([test "x$have_flex" = "xno"], [
- AS_IF([test "x$in_git_repo" = "xyes"], [
- AC_MSG_ERROR([Flex >= 2.5.35 is required when building from the Git repository.])
- ], [
- AC_MSG_WARN([
-Missing Flex >= 2.5.35. Note that the lexer files are already built in
-this distribution tarball, so Flex is only needed if you intend to
-modify their sources.
- ])
- ])
-])
-
-# export flex condition
-AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
-