updated for version 7.4.093
Problem: Configure can't use LuaJIT on ubuntu 12.04.
Solution: Adjust the configure regexp that locates the version number.
(Charles Strahan)
diff --git a/src/configure.in b/src/configure.in
index 8f0dce4..83d0ea8 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -496,7 +496,7 @@
if test "X$vi_cv_path_luajit" != "X"; then
dnl -- find LuaJIT version
AC_CACHE_CHECK(LuaJIT version, vi_cv_version_luajit,
- [ vi_cv_version_luajit=`${vi_cv_path_luajit} -v | sed 's/LuaJIT \([[0-9.]]*\)\.[[0-9]] .*/\1/'` ])
+ [ vi_cv_version_luajit=`${vi_cv_path_luajit} -v 2>&1 | sed 's/LuaJIT \([[0-9.]]*\)\.[[0-9]]\(-[[a-z0-9]]\+\)\? .*/\1/'` ])
AC_CACHE_CHECK(Lua version of LuaJIT, vi_cv_version_lua_luajit,
[ vi_cv_version_lua_luajit=`${vi_cv_path_luajit} -e "print(_VERSION)" | sed 's/.* //'` ])
vi_cv_path_lua="$vi_cv_path_luajit"