diff options
Diffstat (limited to '')
| -rw-r--r-- | m4/pdns_with_lua.m4 | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/m4/pdns_with_lua.m4 b/m4/pdns_with_lua.m4 new file mode 100644 index 0000000..e280c1b --- /dev/null +++ b/m4/pdns_with_lua.m4 @@ -0,0 +1,62 @@ +AC_DEFUN([PDNS_WITH_LUA],[ + AC_PROG_GREP()dnl Ensure we have grep + AC_MSG_CHECKING([which Lua implementation to use]) + AC_ARG_WITH([lua], + [AS_HELP_STRING([--with-lua], [select Lua implementation @<:@default=auto@:>@]) + ], [ + with_lua=$withval + ], [ + with_lua=auto + ]) + + AS_IF([test "x$with_lua" = "xyes"], [ + dnl --with-lua was passed, make it auto + with_lua=auto + ]) + + AC_MSG_RESULT([$with_lua]) + + AS_IF([test "x$with_lua" = "xno" -a "$1" = "mandatory"], [ + AC_MSG_ERROR([--without-lua specified, but Lua is not optional]) + ]) + + LUAPC="" + luajit_min_version='2.0.2' + lua_min_version='5.1' + + AS_IF([test "x$with_lua" != "xno"], [ + AS_IF([test "x$with_lua" != "xauto"], [ + with_lua_version=${lua_min_version} + AS_IF([echo "x$with_lua" | ${GREP} 'jit' >/dev/null 2>&1], [with_lua_version=${luajit_min_version}]) + PKG_CHECK_MODULES([LUA], $with_lua >= $with_lua_version, [ + AC_DEFINE([HAVE_LUA], [1], [Define to 1 if you have Lua]) + LUAPC=$with_lua + ], [ + AC_MSG_ERROR([Selected Lua ($with_lua) not found]) + ]) + ], [ + PKG_CHECK_MODULES([LUA], [luajit >= ${luajit_min_version}], [ + LUAPC=luajit + AC_DEFINE([HAVE_LUA], [1], [Define to 1 if you have Lua]) + ], [ : ]) + AS_IF([test -z "$LUAPC"], [ + found_lua=n + m4_foreach_w([luapc], [lua5.3 lua-5.3 lua53 lua5.2 lua-5.2 lua52 lua5.1 lua-5.1 lua51 lua], [ + AS_IF([test "$found_lua" != "y"], [ + PKG_CHECK_MODULES([LUA], [luapc >= ${lua_min_version}], [ + AC_DEFINE([HAVE_LUA], [1], [Define to 1 if you have lua]) + found_lua=y + LUAPC=luapc + ], [ : ]) + ]) + ]) + ]) + ]) + ]) + + AS_IF([test -z "$LUAPC" -a "$1" = "mandatory"], [ + AC_MSG_ERROR([No Lua not found, but is mandatory]) + ]) + + AM_CONDITIONAL([LUA], [test -n "x$LUAPC"]) +]) |