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  • Committer: Laurence Rowe
  • Date: 2010-07-30 20:11:13 UTC
  • mfrom: (84.1.1 mod-transform-clean)
  • Revision ID: laurence@lrowe.co.uk-20100730201113-2epmrdgj2n1vul12
merge in the externals

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m4/lua.m4
 
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dnl Check for Lua 5.0 Libraries
 
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dnl CHECK_LUA(ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
 
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dnl Sets:
 
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dnl  LUA_CFLAGS
 
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dnl  LUA_LIBS
 
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AC_DEFUN([CHECK_LUA],
 
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[dnl
 
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AC_ARG_WITH(
 
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    lua,
 
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    [AC_HELP_STRING([--with-lua=PATH],[Path to the Lua 5.0 prefix])],
 
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    lua_path="$withval",
 
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    :)
 
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dnl # Determine memcache lib directory
 
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if test -z $mc_path; then
 
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    test_paths="/usr/local /usr"
 
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else
 
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    test_paths="${lua_path}"
 
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fi
 
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for x in $test_paths ; do
 
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    AC_MSG_CHECKING([for lua.h in ${x}/include/lua50])
 
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    if test -f ${x}/include/lua50/lua.h; then
 
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        AC_MSG_RESULT([yes])
 
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        save_CFLAGS=$CFLAGS
 
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        save_LDFLAGS=$LDFLAGS
 
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        CFLAGS="$CFLAGS"
 
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        LDFLAGS="-L$x/lib $LDFLAGS"
 
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        AC_CHECK_LIB(lua50, lua_open,
 
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            [
 
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            LUA_LIBS="-L$x/lib -llua50 -llualib50"
 
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            LUA_CFLAGS="-I$x/include/lua50"
 
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            ])
 
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        CFLAGS=$save_CFLAGS
 
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        LDFLAGS=$save_LDFLAGS
 
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        break
 
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    else
 
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        AC_MSG_RESULT([no])
 
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    fi
 
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    AC_MSG_CHECKING([for lua.h in ${x}/include])
 
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    if test -f ${x}/include/lua.h; then
 
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        AC_MSG_RESULT([yes])
 
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        save_CFLAGS=$CFLAGS
 
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        save_LDFLAGS=$LDFLAGS
 
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        CFLAGS="$CFLAGS"
 
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        LDFLAGS="-L$x/lib $LDFLAGS"
 
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        AC_CHECK_LIB(lua, lua_open,
 
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            [
 
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            LUA_LIBS="-L$x/lib -llua -llualib"
 
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            LUA_CFLAGS="-I$x/include/lua50"
 
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            ])
 
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        CFLAGS=$save_CFLAGS
 
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        LDFLAGS=$save_LDFLAGS
 
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        break
 
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    else
 
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        AC_MSG_RESULT([no])
 
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    fi
 
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done
 
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AC_SUBST(LUA_LIBS)
 
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AC_SUBST(LUA_CFLAGS)
 
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if test -z "${LUA_LIBS}"; then
 
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  AC_MSG_NOTICE([*** Lua 5.0 library not found.])
 
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  ifelse([$2], , AC_MSG_ERROR([Lua 5.0 library is required]), $2)
 
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else
 
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  AC_MSG_NOTICE([using '${LUA_LIBS}' for Lua Library])
 
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  ifelse([$1], , , $1) 
 
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fi 
 
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])