1*c697fb7fSBrooks Davisdnl Copyright 2011 Google Inc. 2*c697fb7fSBrooks Davisdnl All rights reserved. 3*c697fb7fSBrooks Davisdnl 4*c697fb7fSBrooks Davisdnl Redistribution and use in source and binary forms, with or without 5*c697fb7fSBrooks Davisdnl modification, are permitted provided that the following conditions are 6*c697fb7fSBrooks Davisdnl met: 7*c697fb7fSBrooks Davisdnl 8*c697fb7fSBrooks Davisdnl * Redistributions of source code must retain the above copyright 9*c697fb7fSBrooks Davisdnl notice, this list of conditions and the following disclaimer. 10*c697fb7fSBrooks Davisdnl * Redistributions in binary form must reproduce the above copyright 11*c697fb7fSBrooks Davisdnl notice, this list of conditions and the following disclaimer in the 12*c697fb7fSBrooks Davisdnl documentation and/or other materials provided with the distribution. 13*c697fb7fSBrooks Davisdnl * Neither the name of Google Inc. nor the names of its contributors 14*c697fb7fSBrooks Davisdnl may be used to endorse or promote products derived from this software 15*c697fb7fSBrooks Davisdnl without specific prior written permission. 16*c697fb7fSBrooks Davisdnl 17*c697fb7fSBrooks Davisdnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18*c697fb7fSBrooks Davisdnl "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19*c697fb7fSBrooks Davisdnl LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20*c697fb7fSBrooks Davisdnl A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21*c697fb7fSBrooks Davisdnl OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22*c697fb7fSBrooks Davisdnl SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23*c697fb7fSBrooks Davisdnl LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24*c697fb7fSBrooks Davisdnl DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25*c697fb7fSBrooks Davisdnl THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26*c697fb7fSBrooks Davisdnl (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27*c697fb7fSBrooks Davisdnl OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*c697fb7fSBrooks Davis 29*c697fb7fSBrooks Davisdnl 30*c697fb7fSBrooks Davisdnl KYUA_LUA 31*c697fb7fSBrooks Davisdnl 32*c697fb7fSBrooks Davisdnl Helper macro to detect Lua in a variety of systems. 33*c697fb7fSBrooks Davisdnl 34*c697fb7fSBrooks DavisAC_DEFUN([KYUA_LUA], [ 35*c697fb7fSBrooks Davis lua_found=no 36*c697fb7fSBrooks Davis 37*c697fb7fSBrooks Davis for lua_release in 5.2 5.1; do 38*c697fb7fSBrooks Davis if test "${lua_found}" = no; then 39*c697fb7fSBrooks Davis PKG_CHECK_MODULES([LUA], [lua${lua_release} >= ${lua_release}], 40*c697fb7fSBrooks Davis [lua_found=yes], [true]) 41*c697fb7fSBrooks Davis fi 42*c697fb7fSBrooks Davis if test "${lua_found}" = no; then 43*c697fb7fSBrooks Davis PKG_CHECK_MODULES([LUA], [lua-${lua_release} >= ${lua_release}], 44*c697fb7fSBrooks Davis [lua_found=yes], [true]) 45*c697fb7fSBrooks Davis fi 46*c697fb7fSBrooks Davis if test "${lua_found}" = no; then 47*c697fb7fSBrooks Davis PKG_CHECK_MODULES([LUA], [lua >= ${lua_release}], 48*c697fb7fSBrooks Davis [lua_found=yes], [true]) 49*c697fb7fSBrooks Davis fi 50*c697fb7fSBrooks Davis 51*c697fb7fSBrooks Davis test "${lua_found}" = no || break 52*c697fb7fSBrooks Davis done 53*c697fb7fSBrooks Davis 54*c697fb7fSBrooks Davis if test "${lua_found}" = no; then 55*c697fb7fSBrooks Davis AC_PATH_PROGS([LUA_CONFIG], [lua-config], [unset]) 56*c697fb7fSBrooks Davis if test "${LUA_CONFIG}" != unset; then 57*c697fb7fSBrooks Davis AC_SUBST([LUA_CFLAGS], [$(${LUA_CONFIG} --include)]) 58*c697fb7fSBrooks Davis AC_SUBST([LUA_LIBS], [$(${LUA_CONFIG} --libs)]) 59*c697fb7fSBrooks Davis lua_found=yes 60*c697fb7fSBrooks Davis fi 61*c697fb7fSBrooks Davis fi 62*c697fb7fSBrooks Davis 63*c697fb7fSBrooks Davis if test "${lua_found}" = no; then 64*c697fb7fSBrooks Davis AC_MSG_ERROR([lua (5.1 or newer) is required]) 65*c697fb7fSBrooks Davis else 66*c697fb7fSBrooks Davis AC_MSG_NOTICE([using LUA_CFLAGS = ${LUA_CFLAGS}]) 67*c697fb7fSBrooks Davis AC_MSG_NOTICE([using LUA_LIBS = ${LUA_LIBS}]) 68*c697fb7fSBrooks Davis fi 69*c697fb7fSBrooks Davis]) 70