APACHE_MODPATH_INIT(lua)

dnl Check for Lua 5.1 Libraries

dnl CHECK_LUA(ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])

dnl Sets:

dnl LUA_CFLAGS

dnl LUA_LIBS

AC_DEFUN([CHECK_LUA],

[dnl

AC_ARG_WITH(

lua,

[AC_HELP_STRING([--with-lua=PATH],[Path to the Lua 5.1 prefix])],

lua_path="$withval",

:)

dnl # Determine lua lib directory

if test -z "$lua_path"; then

test_paths=". /usr/local /usr"

else

test_paths="${lua_path}"

fi

AC_CHECK_LIB(m, pow, lib_m="-lm")

AC_CHECK_LIB(m, sqrt, lib_m="-lm")

for x in $test_paths ; do

if test "x$x" = "x."; then

AC_CHECK_HEADER(lua.h,[

save_CFLAGS=$CFLAGS

save_LDFLAGS=$LDFLAGS

CFLAGS="$CFLAGS"

LDFLAGS="$LDFLAGS $lib_m"

AC_CHECK_LIB(lua5.1, luaL_newstate, [

LUA_LIBS="-llua5.1 $lib_m"

],[

AC_CHECK_LIB(lua-5.1, luaL_newstate, [

LUA_LIBS="-llua-5.1 $lib_m"

],[

AC_CHECK_LIB(lua, luaL_newstate, [

LUA_LIBS="-llua $lib_m"

])

])

])

LUA_CFLAGS=

CFLAGS=$save_CFLAGS

LDFLAGS=$save_LDFLAGS

break

])

else

AC_MSG_CHECKING([for lua.h in ${x}/include/lua5.1])

if test -f ${x}/include/lua5.1/lua.h; then

AC_MSG_RESULT([yes])

save_CFLAGS=$CFLAGS

save_LDFLAGS=$LDFLAGS

CFLAGS="$CFLAGS"

LDFLAGS="-L$x/lib $LDFLAGS $lib_m"

AC_CHECK_LIB(lua5.1, luaL_newstate, [

LUA_LIBS="-L$x/lib -llua5.1 $lib_m"

if test "x$ap_platform_runtime_link_flag" != "x"; then

APR_ADDTO(LUA_LIBS, [$ap_platform_runtime_link_flag$x/lib])

fi

LUA_CFLAGS="-I$x/include/lua5.1"

])

CFLAGS=$save_CFLAGS

LDFLAGS=$save_LDFLAGS

break

else

AC_MSG_RESULT([no])

fi

AC_MSG_CHECKING([for lua.h in ${x}/include/lua51])

if test -f ${x}/include/lua51/lua.h; then

AC_MSG_RESULT([yes])

save_CFLAGS=$CFLAGS

save_LDFLAGS=$LDFLAGS

CFLAGS="$CFLAGS"

LDFLAGS="-L$x/lib/lua51 $LDFLAGS $lib_m"

AC_CHECK_LIB(lua, luaL_newstate, [

LUA_LIBS="-L$x/lib/lua51 -llua $lib_m"

if test "x$ap_platform_runtime_link_flag" != "x"; then

APR_ADDTO(LUA_LIBS, [$ap_platform_runtime_link_flag$x/lib/lua51])

fi

LUA_CFLAGS="-I$x/include/lua51"

])

CFLAGS=$save_CFLAGS

LDFLAGS=$save_LDFLAGS

break

else

AC_MSG_RESULT([no])

fi

AC_MSG_CHECKING([for lua.h in ${x}/include])

if test -f ${x}/include/lua.h; then

AC_MSG_RESULT([yes])

save_CFLAGS=$CFLAGS

save_LDFLAGS=$LDFLAGS

CFLAGS="$CFLAGS"

LDFLAGS="-L$x/lib $LDFLAGS $lib_m"

AC_CHECK_LIB(lua, luaL_newstate, [

LUA_LIBS="-L$x/lib -llua $lib_m"

if test "x$ap_platform_runtime_link_flag" != "x"; then

APR_ADDTO(LUA_LIBS, [$ap_platform_runtime_link_flag$x/lib])

fi

LUA_CFLAGS="-I$x/include"

])

CFLAGS=$save_CFLAGS

LDFLAGS=$save_LDFLAGS

break

else

AC_MSG_RESULT([no])

fi

fi

done

AC_SUBST(LUA_LIBS)

AC_SUBST(LUA_CFLAGS)

if test -z "${LUA_LIBS}"; then

AC_MSG_WARN([*** Lua 5.1 library not found.])

ifelse([$2], ,

enable_lua="no"

if test -z "${lua_path}"; then

AC_MSG_WARN([Lua 5.1 library is required])

else

AC_MSG_ERROR([Lua 5.1 library is required])

fi,

$2)

else

AC_MSG_NOTICE([using '${LUA_LIBS}' for Lua Library])

AC_ARG_ENABLE(luajit,

APACHE_HELP_STRING(--enable-luajit,Enable LuaJit Support),

APR_ADDTO(CPPFLAGS, ["-DAP_ENABLE_LUAJIT"]))

ifelse([$1], , , $1)

fi

])

lua_objects="lua_apr.lo lua_config.lo mod_lua.lo lua_request.lo lua_vmprep.lo"

APACHE_MODULE(lua, Apache Lua Framework, $lua_objects, , , [

CHECK_LUA()

if test "x$enable_lua" != "xno" ; then

APR_ADDTO(INCLUDES, [$LUA_CFLAGS])

APR_ADDTO(MOD_LUA_LDADD, [$LUA_LIBS])

fi

])

APR_ADDTO(INCLUDES, [-I\$(top_srcdir)/$modpath_current])

APACHE_MODPATH_FINISH