maintain compatibility with olde linuxen.

C/cdmgr.c

@@ -3082,6 +3082,7 @@ static Int p_clean_up_dead_clauses(USES_REGS1) {
 void Yap_HidePred(PredEntry *pe) {
 
   pe->PredFlags |= (HiddenPredFlag | NoSpyPredFlag | NoTracePredFlag);
+  /*
   char newMod[1024];
   strncpy(newMod, "$$$--hidden-module--",1023);
   Term cmod = pe->ModuleOfPred;
@@ -3090,6 +3091,7 @@ void Yap_HidePred(PredEntry *pe) {
   else
     strncat(newMod, RepAtom(AtomOfTerm(cmod))->StrOfAE, 1023-strlen(newMod));
   pe->ModuleOfPred = MkAtomTerm(Yap_LookupAtom(newMod));
+  */
 }
 
 static Int /* $system_predicate(P) */

CMakeLists.txt

@@ -334,9 +334,14 @@ find_package(GMP)
 list(APPEND YAP_SYSTEM_OPTIONS big_numbers)
 
 
+
 if (GMP_FOUND)
     #config.h needs this (TODO: change in code latter)
     include_directories(${GMP_INCLUDE_DIRS})
+        check_include_file(gmp.h HAVE_GMP_H)
+        check_include_file_cxx(gmpxx.h HAVE_GMPXX_H)
+
+
 endif (GMP_FOUND)
 
     option(WITH_READLINE "use readline or libedit" ON)
@@ -416,7 +421,7 @@ set(DEF_TRAILSPACE 0)
 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS DEPTH_LIMIT=1;COROUTINING=1;RATIONAL_TREES=1)
 
 # inform we are compiling YAP
-set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "_YAP_NOT_INSTALLED_=1;HAVE_CONFIG_H=1;_GNU_SOURCE")
+set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "_YAP_NOT_INSTALLED_=1;HAVE_CONFIG_H=1;_GNU_SOURCE=1")
 
 # Compilation model
 #  target_compile_definitions(libYap PUBLIC  _XOPEN_SOURCE=700 )

CXX/yapi.hh

@@ -8,11 +8,20 @@
 
 #define YAP_CPP_INTERFACE 1
 
-#include <gmpxx.h>
 #include <iostream>
 #include <string>
 #include <vector>
 
+extern "C"{
+#include "config.h"
+}
+
+#if HAVE_GMPXX_H
+#include <gmpxx.h>
+#elif HAVE_GMP_H
+#include <gmp.h>
+#endif
+
 /*!
  *
  *   @ingroup fli_c_cxx

H/TermExt.h

@@ -388,26 +388,6 @@ INLINE_ONLY bool IsStringTerm(Term t) {
 
 #include <stdio.h>
 
-#if !defined(__cplusplus)
-#include <gmp.h>
-#endif
-
-#else
-
-typedef UInt mp_limb_t;
-
-typedef struct {
-  Int _mp_size, _mp_alloc;
-  mp_limb_t *_mp_d;
-} MP_INT;
-
-typedef struct {
-  MP_INT _mp_num;
-  MP_INT _mp_den;
-} MP_RAT;
-
-#endif
-
 INLINE_ONLY bool IsBigIntTerm(Term);
 
 INLINE_ONLY bool IsBigIntTerm(Term t) {
@@ -415,7 +395,11 @@ INLINE_ONLY bool IsBigIntTerm(Term t) {
           FunctorOfTerm(t) == FunctorBigInt;
 }
 
-#ifdef USE_GMP
+
+#if !defined(__cplusplus)
+#include <gmp.h>
+#endif
+
 
 Term Yap_MkBigIntTerm(MP_INT *);
 MP_INT *Yap_BigIntOfTerm(Term);

H/YapEval.h

@@ -632,13 +632,13 @@ __Yap_Mk64IntegerTerm(YAP_LONG_LONG i USES_REGS) {
 }
 
 inline static Term add_int(Int i, Int j USES_REGS) {
-#if defined(__clang__) || defined(__GNUC__)
+#if defined(__clang__) || (defined(__GNUC__) && __GNUC__ > 4)
   Int w;
   if (!__builtin_add_overflow(i, j, &w))
     RINT(w);
   return Yap_gmp_add_ints(i, j);
   ;
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) && __GNUC__ > 4
   Int w;
   if (!__builtin_add_overflow_p(i, j, w))
     RINT(w);

H/arith2.h

@@ -24,13 +24,13 @@ inline static int sub_overflow(Int x, Int i, Int j) {
 }
 
 inline static Term sub_int(Int i, Int j USES_REGS) {
-#if defined(__clang__ ) || defined(__GNUC__)
+#if defined(__clang__ ) || (defined(__GNUC__) && __GNUC__ > 4)
     Int k;
     if (__builtin_sub_overflow(i,j,&k)) {
       return Yap_gmp_sub_ints(i, j);
     }
     RINT(k);
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) && __GNUC__ >4
     Int w;
     if (!__builtin_sub_overflow_p(i,j,w))
          RINT(w);
@@ -64,7 +64,7 @@ inline static int mul_overflow(Int z, Int i1, Int i2) {
   return (i2 && z / i2 != i1);
 }
 
-#if defined(__clang__) || defined(__GNUC__)
+#if defined(__clang__) || (defined(__GNUC__) && __GNUC__ > 4)
 #define DO_MULTI()                                                             \
   if (__builtin_mul_overflow(i1, i2, &z)) {                                   \
     goto overflow;                                                             \

os/fmem.c

@@ -23,6 +23,9 @@ static char SccsId[] = "%W% %G%";
  *
  */
 
+#define _GNU_SOURCE
+
+
 #include "YapText.h"
 #include "format.h"
 #include "sysbits.h"
@@ -163,7 +166,7 @@ int Yap_open_buf_read_stream(const char *buf, size_t nchars,
   f = st->file = fmemopen((void *)buf, nchars, "r");
   st->vfs = NULL;
   flags = Input_Stream_f | InMemory_Stream_f | Seekable_Stream_f;
-  Yap_initStream(sno, f, RepAtom(fname)->StrOfAE, "r", uname, encoding, flags, NULL);
+  Yap_initStream(sno, f, fname, "r", uname, encoding, flags, NULL);
   // like any file stream.
   Yap_DefaultStreamOps(st);
   UNLOCK(st->streamlock);

os/iopreds.c

@@ -1126,7 +1126,7 @@ static void check_bom(int sno, StreamDesc *st) {
   }
 }
 
-bool Yap_initStream(int sno, FILE *fd, const char *name, const char *io_mode,
+bool Yap_initStream(int sno, FILE *fd, Atom name, const char *io_mode,
                     Term file_name, encoding_t encoding, stream_flags_t flags,
                     void *vfs) {
   // fprintf(stderr,"+ %s --> %d\n", name, sno);
@@ -1160,12 +1160,14 @@ bool Yap_initStream(int sno, FILE *fd, const char *name, const char *io_mode,
   } else {
     st->encoding = encoding;
   }
-
-  name = Yap_guessFileName(fd, sno, YAP_FILENAME_MAX);
   if (!name)
+    name = Yap_guessFileName(fd, sno);
+  if (!name) {
     Yap_Error(SYSTEM_ERROR_INTERNAL, file_name,
-              "Yap_guessFileName failed: opening a file without a name");
-  st->name = Yap_LookupAtom(name);
+               "Yap_guessFileName failed: opening a file without a name");
+    return false;
+  }
+  st->name = name;
   st->user_name = file_name;
   st->file = fd;
   st->linepos = 0;
@@ -1314,7 +1316,7 @@ static bool fill_stream(int sno, StreamDesc *st, Term tin, const char *io_mode,
   if (!strchr(io_mode, 'b') && binary_file(fname)) {
     st->status |= Binary_Stream_f;
   }
-  Yap_initStream(sno, st->file, fname, io_mode, user_name, LOCAL_encoding,
+  Yap_initStream(sno, st->file, Yap_LookupAtom(fname), io_mode, user_name, LOCAL_encoding,
                  st->status, vfsp);
   return true;
 }

os/iopreds.h

@@ -31,7 +31,7 @@ INLINE_ONLY bool IsStreamTerm(Term t) {
           (IsApplTerm(t) && (FunctorOfTerm(t) == FunctorStream)));
 }
 
-extern bool Yap_initStream(int sno, FILE *fd, const char *name, const char *io_mode, Term file_name, encoding_t encoding,
+extern bool Yap_initStream(int sno, FILE *fd, Atom name, const char *io_mode, Term file_name, encoding_t encoding,
                            stream_flags_t flags, void *vfs);
 
 #define Yap_CheckStream(arg, kind, msg)                                        \

os/mem.c

@@ -225,7 +225,7 @@ int Yap_open_buf_read_stream(const char *buf, size_t nchars, encoding_t *encp,
   flags = Input_Stream_f | InMemory_Stream_f;
   st->vfs = NULL;
   st->name = name;
-  Yap_initStream(sno, f, "Memory Stream","wa", TermNil, encoding, flags, NULL);
+  Yap_initStream(sno, f, Yap_LookupAtom("Memory Stream"),"wa", TermNil, encoding, flags, NULL);
   // like any file stream.
   /* currently these streams are not seekable */
   st->status = Input_Stream_f | InMemory_Stream_f;

os/readline.c

@@ -218,7 +218,7 @@ static char **prolog_completion(const char *text, int start, int end) {
   } else if (start == 0) {
     int i = 0;
     const char *p;
-    while (isblank(text[i++]) && i <= end)
+    while (isspace(text[i++]) && i <= end)
       ;
     p = text + i;
 

os/streams.c

@@ -315,35 +315,35 @@ bool Yap_SetCurInpPos(
   return true;
 }
 
-char *Yap_guessFileName(FILE *file, int sno, size_t max) {
-  size_t maxs = Yap_Max(1023, max-1);
-  int i = push_text_stack();
-  char *nameb = Malloc(maxs + 1);
+char *Yap_guessFileName(FILE *file, int sno) {
+  size_t maxs = YAP_FILENAME_MAX-1;
+  char *nameb = malloc(maxs + 1);
   if (!file) {
     strncpy(nameb, "memory buffer", maxs);
 
-    return pop_output_text_stack(i,nameb);
+    return nameb;
   }
   int f = fileno(file);
   if (f < 0) {
     strcpy(nameb, "???");
-    return pop_output_text_stack(i,nameb);
+    return nameb;
   }
 
 #if __linux__
-  char *path = Malloc(1024);
+  char *path = malloc(1024);
   if (snprintf(path, 1023, "/proc/self/fd/%d", f) &&
       readlink(path, nameb, maxs)) {
-    return pop_output_text_stack(i,nameb);
+    free(path);
+    return nameb;
   }
 #elif __APPLE__
   if (fcntl(f, F_GETPATH, nameb) != -1) {
-    return pop_output_text_stack(i,nameb);
+    return nameb;
   }
 #else
-  TCHAR *path = Malloc(MAX_PATH + 1);
+  TCHAR *path = malloc(MAX_PATH + 1);
   if (!GetFullPathName(path, MAX_PATH, path, NULL)) {
-    pop_text_stack(i);
+
     return NULL;
   } else {
     int i;
@@ -351,14 +351,12 @@ char *Yap_guessFileName(FILE *file, int sno, size_t max) {
     for (i = 0; i < strlen(path); i++)
       ptr += put_utf8(ptr, path[i]);
     *ptr = '\0';
-    return pop_output_text_stack(i,nameb);
+    return nameb;
   }
 #endif
   if (!StreamName(sno)) {
-    pop_text_stack(i);
     return NULL;
   }
-  pop_text_stack(i);
   return RepAtom(AtomOfTerm(StreamName(sno)))->StrOfAE;
 }
 

os/yapio.h

@@ -126,7 +126,7 @@ extern X_API Term Yap_BufferToTermWithPrioBindings(const  char *s, Term opts, Te
                                  int prio);
 extern FILE *Yap_GetInputStream(Term t, const char *m);
 extern FILE *Yap_GetOutputStream(Term t, const char *m);
-extern char *Yap_guessFileName(FILE *f, int sno, size_t max);
+extern char *Yap_guessFileName(FILE *f, int sno);
 extern void Yap_plwrite(Term t, struct stream_desc *mywrite, int max_depth,
                         int flags, int priority);
 

pl/protect.yap

@@ -48,7 +48,7 @@ prolog:'$protect' :-
     '$new_system_predicate'(Name,Arity,M),
     sub_atom(Name,0,1,_, '$'),
     functor(P,Name,Arity),
-    '$hide_predicate'(P,M),
+%    '$hide_predicate'(P,M),
     fail.
 prolog:'$protect' :-
     current_atom(Name),