[Fink-devel] Building emacs21 with X11 support. Need help

[kerneld]

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Hi all,

I am new to this list, and have been using fink for a while now (And 
have been using Debian for years, so it is all pretty familiar to me).

I had a go at building emacs21 with the closest match I could see in 
etc/MACHINES being NeXT, and I needed to make a number of changes to the 
source.  But I am having problems in the last stages of compiling.

         LC_ALL=C ./temacs -batch -l loadup dump

Consumes all memory and brings darwin to a grinding halt.


The changes I made were to dispnew.c and unexnext.c

dispnew.c : The FILE struct is different from GNU libs and the other 
alternative as used in the PENDING_OUTPUT_COUNT macro, but I think I 
defined a correct one using the OSX headers as a reference.

#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base)

unexnext.c : The undocumented vm_region function (Except in the headers) 
effects the get_data_region function.
I added these vars:
         vm_region_info_t vm_region_info;
         vm_region_flavor_t vm_region_flavor;
         mach_msg_type_number_t mach_msg_type_number;

.. and the call to vm_region was changed to:
                 ret = vm_region(current_task(),
                                 &region.address,
                                 &region.size,
                                 &vm_region_flavor,
                                 &vm_region_info,
                                 &mach_msg_type_number,
                                 &region.object_name);

                 if (ret != KERN_SUCCESS || region.address >= 
VM_HIGHDATA) {
                         break;
                 }
                 //Darwin(Mach's)  vm_region differs
                 //TODO! Fix this to detect darwin in the build.
                 region.protection = vm_region_info[0];
                 region.max_protection = vm_region_info[1];
                 region.inheritance = vm_region_info[2];
                 region.shared = vm_region_info[3];
                 region.offset = vm_region_info[5];


I also needed to use current_task() in place of an undefined function.

I had some problems with libraries too, so I messed with LIBES in 
src/Makefile adding -lSystem.B -ltcl
(Whats the equiv of ldd in Darwin?  I have had some success with nm, but 
not the nice clean output of ldd)

I wonder if anyone else has had better luck.

I can provide patches for what I have done, but its a bit crude at the 
moment and doesn't work.

PS: I have tried a couple of Carbon emacs ports and none have been very 
stable. I am currently using emacs20 in X11 which is perfect..  but I 
like using emacs21 better and have been on Debian with alpha releases 
for a while.

==============================
David Stanaway
Personal: [EMAIL PROTECTED]
Work: [EMAIL PROTECTED]
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