[rrd-developers] Checking for lua in the configure script

[Tobias Oetiker]

Fidelis,
Sebastian,

Tuesday Fidelis Assis wrote:

> Hi Sebastian,
>
> Sebastian Harl escreveu:
>
> > I'm pretty sure, we'll find a solution ;-) In the worst case, I'd have
> > to build-conflict with any other lua version to make sure /usr/bin/lua
> > points to lua5.1 - that's quite ugly though and I'd have to touch the
> > package any time a new version of lua has been uploaded, so I'd like to
> > avoid that.
>
> Please, check if this will do. It'll force lua5.1, if available, even if
> /usr/bin/lua points elsewhere.
>
> --- program-rev1919/configure.ac	2009-09-29 14:01:36.000000000 -0300
> +++ program-rev1919-new/configure.ac	2009-09-29 14:58:35.000000000 -0300
> @@ -659,7 +659,7 @@
>  AC_SUBST(COMP_RUBY)
>
>  dnl Check for Lua.
> -AC_PATH_PROG(LUA, lua, no)
> +AC_PATH_PROGS(LUA, lua5.1 lua, no)
>
>  AC_ARG_ENABLE(lua,AS_HELP_STRING([--disable-lua],[do not build the lua
> modules]),
>  [],[enable_lua=yes])
> @@ -737,10 +737,11 @@
>              lua_pkg_prefix=lua
>            fi
>            # try with dot, without dot and finally without version
> +	  lua_dirname=`dirname $LUA`
>            for f in $lua_pkg_prefix$lua_vdot $lua_pkg_prefix$lua_vndot
> $lua_pkg_prefix; do
> -            lua_exec_prefix=`$PKGCONFIG --variable=prefix $f 2>/dev/null`
> +            lua_pkg_prefix=`$PKGCONFIG --variable=prefix $f 2>/dev/null`
>              # same binaries?
> -            if test "$lua_exec_prefix/bin/lua" = "$LUA"; then
> +            if test "$lua_pkg_prefix/bin" = "$lua_dirname"; then
>                  # OK, found CFLAGS. Get Lua LFLAGS and modules install dir
>                  LUA_CFLAGS=`$PKGCONFIG --cflags $f 2>/dev/null`
>                  LUA_LFLAGS=`$PKGCONFIG --libs $f 2>/dev/null`
>

what is the status on lua ... did you find a portable solution ?

tobi

>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900