acs_map

[Andrew Hughes]

On Wed, 29 Jan 2003 18:12:06 +0000
Keith Matthews <keith_m at sweeney.demon.co.uk> wrote:

> On Wed, 29 Jan 2003 17:52:57 +0000
> Andrew Hughes <hughes2002 at btinternet.com> wrote:
> 
> > On Wed, 29 Jan 2003 11:17:52 +0000
> > Keith Matthews <keith_m at sweeney.demon.co.uk> wrote:
> > 
> > > I'm having trouble compiling wine on a newish box.
> > > 
> > > The problem is a missing symbol 'acs_map' cropping up in
> > > dlls/ttydrv/graphics.o. The symbol is not directly in the relevant
> > > source file so it seems to be from a macro or typedef but extensive
> > > grepping has not identified the source. I suspect the problem is a
> > > package missing in the distro (dRock 1.6.0) but have not been able
> > > to identify which one as I cannot track down where this symbol is
> > > coming from.
> > > 
> 
> > 
> > acs_map appears to be part of ncurses.  It is defined in curses.h.
> > You're either missing the headers or the ncurses library to link with.
> > Adding missing ncurses packages should solve it (possibly the .a
> > library and headers from the development package).  What seems strange
> > is that the configure script must have detected the header(s) in order
> > to try and include them (they are #ifdefed).
> 
> They are there all right (thought I had checked in /usr/include as well
> b*****r it). Problem now is why configure is not passing the reference
> correctly. Never did properly understand autoconf.
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When does the compile error occur?  Is it when you compile graphics.c into
graphics.o or when you link the lot together to get the dll.so?  If its the former,
then you won't have any later objects such as user.o, but if it occurs during the
linking, you will.
If it does occur when graphics.o is created, then it would appear that the header
isn't being included.  This seems strange because AFAICS graphics.c never references
acs_map.  It seems more likely that the header is included, references acs_map, but
that the library which actually properly defines acs_map (libncurses) is never linked to.
Have you checked config.log which should be in the same directory as
configure?  This will check that both the headers can be found and the library can
be linked to as below:

configure:8501: checking ncurses.h usability
configure:8514: gcc -c -O6 -march=athlon-xp -mcpu=athlon-xp  conftest.c >&5
configure:8517: $? = 0
configure:8520: test -s conftest.o
configure:8523: $? = 0
configure:8533: result: yes
configure:8537: checking ncurses.h presence
configure:8548: gcc -E  conftest.c
configure:8554: $? = 0
configure:8573: result: yes
configure:8609: checking for ncurses.h
configure:8616: result: yes
configure:8624: checking for waddch in -lncurses
configure:8655: gcc -o conftest -O6 -march=athlon-xp -mcpu=athlon-xp   conftest.c -lncurses  -lm  >&5
configure:8658: $? = 0
configure:8661: test -s conftest
configure:8664: $? = 0
configure:8676: result: yes
-- 
Andrew :-)

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See http://www.fsf.org/philosophy/no-word-attachments.html

"Windows is the one true OS. MS invented the GUI. MS invented 
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