diff options
Diffstat (limited to 'intl/configure.ac')
| -rw-r--r-- | intl/configure.ac | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/intl/configure.ac b/intl/configure.ac index 48832b9..b110337 100644 --- a/intl/configure.ac +++ b/intl/configure.ac @@ -47,5 +47,28 @@ case $USE_INCLUDED_LIBINTL in ;; esac +BISON3_YES='#' +BISON3_NO= +if test "$INTLBISON" != :; then + ac_bison3=no + AC_MSG_CHECKING([bison 3 or later]) +changequote(<<,>>)dnl + ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'` + case $ac_prog_version in + [3-9].*) +changequote([,])dnl + ac_prog_version="$ac_prog_version, bison3"; ac_bison3=yes;; + *) ac_prog_version="$ac_prog_version, old";; + esac + AC_MSG_RESULT([$ac_prog_version]) + if test $ac_bison3 = yes; then + AC_DEFINE(HAVE_BISON3, 1, [Define if bison 3 or later is used.]) + BISON3_YES= + BISON3_NO='#' + fi +fi +AC_SUBST(BISON3_YES) +AC_SUBST(BISON3_NO) + AC_CONFIG_FILES(Makefile config.intl) AC_OUTPUT |