Re: xterm fails to link against local ncurses

[Christian Ebert]

* Thomas Dickey on Thursday, November 25, 2010 at 15:57:12 -0500
> On Thu, 25 Nov 2010, Christian Ebert wrote:
>> * Thomas Dickey on Thursday, November 25, 2010 at 12:43:42 -0500
>>> What does the link command for xterm look like?  It's more likely on
>>> that end, than in ncurses.
>> 
>> Sorry to be a noob; what exactly do you mean by "link command"?
> 
> something like
> 
> gcc -o xterm main.o charproc.o ... -L /usr/local/lib/ -lncurses
> 
> In xterm's makefile, it's done at the end of plink.sh

You mean what becomes of
xterm$x : $(OBJS1)
        $(SHELL) $(srcdir)/plink.sh $(LINK) $(LDFLAGS) -o $@ $(OBJS1) $(LIBS) 
$(EXTRA_LOADFLAGS)

?

/bin/sh ./plink.sh gcc -g -O2 -I/usr/local/include -I/sw/include  
-L/usr/local/lib -L/sw/lib -o xterm button.o cachedGCs
.o charproc.o charsets.o cursor.o data.o doublechr.o fontutils.o input.o 
linedata.o main.o menu.o misc.o print.o ptydata
.o scrollback.o screen.o scrollbar.o tabs.o util.o xstrings.o xtermcap.o 
VTPrsTbl.o TekPrsTbl.o Tekproc.o charclass.o pr
ecompose.o wcwidth.o -L/sw/lib -L/usr/X11/lib -lXft -lXrender -lfontconfig 
-lfreetype -lX11 -L/usr/X11/lib -lXaw8 -lXmu
-lXt -lX11 -lSM -lICE -lXau -L/usr/X11/lib -lXt -lX11 -lSM -lICE -ltermcap

> plink.sh tries to remove as many -l's as it can, to make the binaries
> less sensitive to changes in the libraries.  (It also has some special
> case to handle the PCRE library).
> 
> On some systems, it's hard to mix static and shared libraries (but I
> seem to recall you're building shared libraries).
> 
>>> xterm has an additional complication, using plink.sh to filter out
>>> unnecessary libraries.  I made that feature optional in another
>>> configure script (though I'm thinking the problem is more along the
>>> lines of not giving the right type of -L or rpath option).
>> 
>> Could it be that because freetype is under /sw it gets the upper
>> hand?
> 
> It might be - referring to ncurses' shlib script - something in the
> list of directories given in the DYLD_LIBRARY_PATH environment
> variable.

Normally you do not set this environment variable on MacOS X.

c
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