This worked.  Thanks Ian!

On Sat, 15 Jan 2000, Ian Piumarta wrote:

> Date: Sat, 15 Jan 2000 22:00:47 +0100 (MET)
> From: Ian Piumarta <Ian.Piumarta at inria.fr>
> Reply-To: squeak at cs.uiuc.edu
> To: squeak at cs.uiuc.edu
> Subject: Re: Headless
> Resent-Date: 15 Jan 2000 21:01:52 -0000
> Resent-From: squeak at cs.uiuc.edu
> Resent-cc: recipient list not shown: ;
> 
> > $ ../src/configure --with-gnu-cc --with-gnu-ld --without-x
> 
> There appears to be at least two problems with autoconf (why did I ever
> start using this thing? ;-).  First is that disabling X (and consequently
> the call to AC_PATH_X) breaks the subsequent header file checks (for
> things like unistd.h).  Second, autoconf cheerfully stomps over DEFS
> with "DEFS=-DHAVE_CONFIG_H" instead of "DEFS+=..." at the end of
> configuration, thereby obliterating "-DHEADLESS".
> 
> Quick fix:
> 
> In Makefile.in change
> 
> 	DEFS=@DEFS@ -DUNIX
> 
> to
> 
> 	DEFS=@DEFS@ @XDEFS@ -DUNIX
> 
> then in configure.in change
> 
> 	    AC_MSG_ERROR([X Window System not found: CANNOT BUILD SQUEAK!])
> 	  fi
> 	else
> 	  DEFS="$DEFS -DHEADLESS"
> 	fi
> 	
> 	AC_SUBST(INCS)
> 
> to
> 
> 	    AC_MSG_ERROR([X Window System not found: CANNOT BUILD SQUEAK!])
> 	  fi
> 	  XDEFS=""
> 	else
> 	  XDEFS="-DHEADLESS"
> 	fi
> 	
> 	AC_SUBST(INCS)
> 	AC_SUBST(XDEFS)
> 
> and then from the top-level dir:
> 
> 	make clean
> 	make config
> 	cd <your-target-dir>
> 	../src/configure --without-x
> 	cd ..
> 	make
> 
> which will get the correct cached settings for header files (from the
> first run of configure) and then disable X in the build.  I know it's
> ugly, but it seems to work.  I'll fix it for real sometime soon.
> 
> Ian
> 
> PS: you'll need autoconf installed since the above will rebuild configure
> after the change to configure.in.
> 

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