Re: [wxlua-users] Problem compiling wxlua svn 247

[Philipp Ü. <mu...@tu...>]

On Mon, 18 May 2015 18:14:58 -0400
John Labenski <jla...@gm...> wrote:

> On Mon, May 18, 2015 at 4:01 AM, Philipp Überbacher
> <mu...@tu...> wrote:
> 
> > On Mon, 18 May 2015 09:25:06 +0200
> > Philipp Überbacher <mu...@tu...> wrote:
> >
> > > >
> > > > > wxlbind.cpp:831:51: error: ‘luaL_register’ was not declared in
> > > > > this scope luaL_register(L, wx2lua(m_nameSpace), wxlualib);
> > > >
> > > > You probably also need -DLUA_COMPAT_MODULE, as luaL_register is
> > > > not part of Lua 5.2 if the compatibility mode is not turned on.
> > > >
> >
> 
> 
> What you have seems right when you call cmake.
> 
> In the CMakeLists.txt in the root wxLua dir is this check for Lua 5.2
> to add the LUA_COMPAT_ALL #define, which also #defines
> LUA_COMPAT_MODULE in luaconf.h.
> 
> if (${wxLua_LUA_LIBRARY_VERSION} VERSION_EQUAL 5.2)
>     set(wxLua_CXX_DEFINITIONS ${wxLua_CXX_DEFINITIONS}
> -DLUA_COMPAT_ALL) # Match build used in default 5.2 Makefile
> endif()
> 
> 
> When you build run:
> 
> $ make -j1 VERBOSE=1
> 
> and post back what is printed. It should show that "-I" is specified
> to your Lua include dir and the link path to your Lua lib as well as
> having the -DLUA_COMPAT_ALL flag.
> 
> You might want to also check that the lua.h you want is in
> "-DwxLua_LUA_INCLUDE_DIR=/usr/include" and that you're not pulling in
> some other lua.h file. A very simple check is to temporarily put some
> invalid code in your /uar/include/lua.h to force an error.
> 
> Regards,
>     John

Thanks John,

I did not try that.
However, the issue could be fixed by being more explicit about the
include directory:
           -DwxLua_LUA_INCLUDE_DIR=/usr/include/lua5.2 \
instead of:
           -DwxLua_LUA_INCLUDE_DIR=/usr/include \

Regards,
Philipp