gprolog-1.2.16 doesn't compile under OS X 10.4

[Joachim Bengtsson]

Hey,

The above release doesn't compile under Mac OS X 10.4.2. I tried to  
fix it up myself in a spiffy, but it didn't work.

This is where errors were reported and that I tried to fix:

EnginePl/obj_chain.h, lines 79 and on:
>>>>
extern ObjChain *obj_chain_stop;

static ObjChain obj_chain_start =
  { OBJ_CHAIN_MAGIC_1, OBJ_CHAIN_MAGIC_2, &obj_chain_stop, OBJ_INIT };

static ObjChain *obj_chain_stop = &obj_chain_start;
<<<<<
extern ObjChain *obj_chain_stop;

static ObjChain obj_chain_start =
  { OBJ_CHAIN_MAGIC_1, OBJ_CHAIN_MAGIC_2, &obj_chain_stop, OBJ_INIT };

ObjChain *obj_chain_stop = &obj_chain_start;


BipsPl/flag_c.c, line 80:
>>>>>
static int atom_error;
<<<<<
int atom_error;

BipsPl/os_interf_c.c, line 97, 98:
<<<<<
int atom_read;
int atom_write;


uh, and more. I suppose it's related to the switch to gcc4... With  
the above "fixes", I get multiple linker errors, which isn't entirely  
surprising. but anyway. Just wanted to tell you about the  
incompilability.

 - nevyn

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