libmount: don't use sscanf() for swaps parsing

[thirdparty/util-linux.git] / autogen.sh

diff --git a/autogen.sh b/autogen.sh
index 116885bc77144d322019a8ed47d1ba0299ecb024..3625b2da9125a105b0f5b6846dfb0075cbf93acc 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -67,6 +67,25 @@ test -f sys-utils/mount.c || {
        DIE=1
 }
 
+if ! (bison --version) < /dev/null > /dev/null 2>&1; then
+       echo
+       echo "You must have bison installed to build the util-linux."
+       echo
+       DIE=1
+else
+       lexver=$(bison --version | awk '/^bison \(GNU [Bb]ison\)/ { print $4 }')
+       case "$lexver" in
+               [2-9].*)
+                       ;;
+               *)
+                       echo
+                       echo "You must have bison version >= 2.x, but you have $lexver."
+                       echo
+                       DIE=1
+                       ;;
+       esac
+fi
+
 LIBTOOLIZE=libtoolize
 case `uname` in Darwin*) LIBTOOLIZE=glibtoolize ;; esac
 if ! ($LIBTOOLIZE --version) < /dev/null > /dev/null 2>&1; then
@@ -104,6 +123,7 @@ echo "   autoconf:   $(autoconf --version | head -1)"
 echo "   autoheader: $(autoheader --version | head -1)"
 echo "   automake:   $(automake --version | head -1)"
 echo "   libtoolize: $($LIBTOOLIZE --version | head -1)"
+echo "   bison:      $(bison --version | head -1)"
 
 rm -rf autom4te.cache