Hi,
sorry for late reply: I'm busy with some wx patches currently
John Labenski ha scritto:
On 5/8/06, Steve Kieu <[EMAIL PROTECTED]>
wrote:
OK now I got it working with ugly hack :-)
I undo all changes in loadlib.c and luaconf.h to its original. AND I
manually edit the $WXLUAROOTDIR/modules/Makefile and add
-DLUA_USE_LINUX to CFLAGS
and
-Wl,-E -ldl -lreadline -lhistory -lncurses to LDFLAGS
(Just copy from the lua Makefile distribution the linux section)
and everything works as expected :-)
I hope you guys find where it is wrong in the build system and fix it
'officially', I am sorry I do not know enough about it to help.
Ohhh, I see now, you're using configure? It doesn't give the right
flags to build lua for unix systems.
Francesco, where would you add some checks for configure's system
determination to add lua's flags? In wxLua/configure or somewhere in
bakefile?
I could do everything in bakefiles if the platforms supported by Lua
were one of:
PLATFORM_UNIX UNIX variant
PLATFORM_WIN32 32bit Windows
PLATFORM_MSDOS MS-DOS
PLATFORM_MAC Mac OS X or Mac Classic
PLATFORM_MACOSX Mac OS X
PLATFORM_OS2 OS/2
PLATFORM_BEOS BeOS
PLATFORM_SYMBIAN Symbian OS
since they do distinctions inside the Unix family, I'll need to put
these checks in configure.ac. Unfortunately they will require checks for
platforms where I won't be able to test the configure script on...
See modules/lua/Makefile
PLATS= aix ansi bsd generic linux macosx mingw posix solaris
and modules/lua/src/Makefile where it translates these into the cflags
and libs. eg.
linux:
$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl
-lreadline -lhistory -lncurses"
Maybe it's possible to just translate configure's system to lua's
system and just call lua's Makefile as $(MAKE) platform? Though I
think the install would be broken then?
you're right: it would be easy to just call Lua's Makefile (when using
mingw or autoconf); make install would still work however the executable
would be named 'lua' and not, as it currently is in wxLua, 'wxlua-lua'.
Thus other installations of lua could be overwritten by our version
(which I think is not the vanilla version since there's a WXLUA_CODE
block - right ?)...
Last big problem is that currently doing "make linux" using lua's
makefile I get:
gcc -O2 -Wall -DLUA_USE_LINUX -c -o lua.o lua.c
In file included from lua.h:16,
from lua.c:15:
luaconf.h:263:31: error: readline/readline.h: No such file or directory
luaconf.h:264:30: error: readline/history.h: No such file or directory
and in fact, these files are not in my system... installing the
"libreadline5-dev" package solved the problem but I think it's just a
bad thing to suppose that these readline files are always there.
I see that modules/lua/src/Makefile basically just defines the LUA_USE_*
symbols and then adds to linker dlopen, readline, history.
(it also adds "-Wl,-E" option to the linker). That is, it will be easy
to reproduce this behaviour in wxlua bakefiles.
Also, since bakefiles would still have to contain lua modules for
generating makefiles for MSVC, borland, etc. I think it's best to
maintain all lua building stuff in a single place: wxlua bakefiles and
avoid calling lua makefile.
Thus, in conclusion, if you agree I will do these changes:
configure.ac will NOT check for platforms (which is against
autoconf-philosophy of "check for features rather than for platforms"),
but rather will check & define symbols for
- readline => LUA_USE_READLINE
- dl => LUA_USE_DLOPEN or LUA_DL_DYLD
- mkstemp => LUA_USE_MKSTEMP
- isatty => LUA_USE_ISATTY
- popen => LUA_USE_POPEN
- ulongjmp => LUA_USE_ULONGJMP
Francesco
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