Remove unused third_party/talloc

third_party/talloc/libreplace/autoconf-2.60.m4

-# AC_GNU_SOURCE
-# --------------
-AC_DEFUN([AC_GNU_SOURCE],
-[AH_VERBATIM([_GNU_SOURCE],
-[/* Enable GNU extensions on systems that have them.  */
-#ifndef _GNU_SOURCE
-# undef _GNU_SOURCE
-#endif])dnl
-AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
-AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
-AC_DEFINE([_GNU_SOURCE])
-])
-
-# _AC_C_STD_TRY(STANDARD, TEST-PROLOGUE, TEST-BODY, OPTION-LIST,
-#               ACTION-IF-AVAILABLE, ACTION-IF-UNAVAILABLE)
-# --------------------------------------------------------------
-# Check whether the C compiler accepts features of STANDARD (e.g `c89', `c99')
-# by trying to compile a program of TEST-PROLOGUE and TEST-BODY.  If this fails,
-# try again with each compiler option in the space-separated OPTION-LIST; if one
-# helps, append it to CC.  If eventually successful, run ACTION-IF-AVAILABLE,
-# else ACTION-IF-UNAVAILABLE.
-AC_DEFUN([_AC_C_STD_TRY],
-[AC_MSG_CHECKING([for $CC option to accept ISO ]m4_translit($1, [c], [C]))
-AC_CACHE_VAL(ac_cv_prog_cc_$1,
-[ac_cv_prog_cc_$1=no
-ac_save_CC=$CC
-AC_LANG_CONFTEST([AC_LANG_PROGRAM([$2], [$3])])
-for ac_arg in '' $4
-do
-  CC="$ac_save_CC $ac_arg"
-  _AC_COMPILE_IFELSE([], [ac_cv_prog_cc_$1=$ac_arg])
-  test "x$ac_cv_prog_cc_$1" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CC=$ac_save_CC
-])# AC_CACHE_VAL
-case "x$ac_cv_prog_cc_$1" in
-  x)
-    AC_MSG_RESULT([none needed]) ;;
-  xno)
-    AC_MSG_RESULT([unsupported]) ;;
-  *)
-    CC="$CC $ac_cv_prog_cc_$1"
-    AC_MSG_RESULT([$ac_cv_prog_cc_$1]) ;;
-esac
-AS_IF([test "x$ac_cv_prog_cc_$1" != xno], [$5], [$6])
-])# _AC_C_STD_TRY
-
-# _AC_PROG_CC_C99 ([ACTION-IF-AVAILABLE], [ACTION-IF-UNAVAILABLE])
-# ----------------------------------------------------------------
-# If the C compiler is not in ISO C99 mode by default, try to add an
-# option to output variable CC to make it so.  This macro tries
-# various options that select ISO C99 on some system or another.  It
-# considers the compiler to be in ISO C99 mode if it handles mixed
-# code and declarations, _Bool, inline and restrict.
-AC_DEFUN([_AC_PROG_CC_C99],
-[_AC_C_STD_TRY([c99],
-[[#include <stdarg.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <wchar.h>
-#include <stdio.h>
-
-struct incomplete_array
-{
-  int datasize;
-  double data[];
-};
-
-struct named_init {
-  int number;
-  const wchar_t *name;
-  double average;
-};
-
-typedef const char *ccp;
-
-static inline int
-test_restrict(ccp restrict text)
-{
-  // See if C++-style comments work.
-  // Iterate through items via the restricted pointer.
-  // Also check for declarations in for loops.
-  for (unsigned int i = 0; *(text+i) != '\0'; ++i)
-    continue;
-  return 0;
-}
-
-// Check varargs and va_copy work.
-static void
-test_varargs(const char *format, ...)
-{
-  va_list args;
-  va_start(args, format);
-  va_list args_copy;
-  va_copy(args_copy, args);
-
-  const char *str;
-  int number;
-  float fnumber;
-
-  while (*format)
-    {
-      switch (*format++)
-        {
-        case 's': // string
-          str = va_arg(args_copy, const char *);
-          break;
-        case 'd': // int
-          number = va_arg(args_copy, int);
-          break;
-        case 'f': // float
-          fnumber = (float) va_arg(args_copy, double);
-          break;
-        default:
-          break;
-        }
-    }
-  va_end(args_copy);
-  va_end(args);
-}
-]],
-[[
-  // Check bool and long long datatypes.
-  _Bool success = false;
-  long long int bignum = -1234567890LL;
-  unsigned long long int ubignum = 1234567890uLL;
-
-  // Check restrict.
-  if (test_restrict("String literal") != 0)
-    success = true;
-  char *restrict newvar = "Another string";
-
-  // Check varargs.
-  test_varargs("s, d' f .", "string", 65, 34.234);
-
-  // Check incomplete arrays work.
-  struct incomplete_array *ia =
-    malloc(sizeof(struct incomplete_array) + (sizeof(double) * 10));
-  ia->datasize = 10;
-  for (int i = 0; i < ia->datasize; ++i)
-    ia->data[i] = (double) i * 1.234;
-
-  // Check named initialisers.
-  struct named_init ni = {
-    .number = 34,
-    .name = L"Test wide string",
-    .average = 543.34343,
-  };
-
-  ni.number = 58;
-
-  int dynamic_array[ni.number];
-  dynamic_array[43] = 543;
-
-  // work around unused variable warnings
-  return  bignum == 0LL || ubignum == 0uLL || newvar[0] == 'x';
-]],
-dnl Try
-dnl GCC         -std=gnu99 (unused restrictive modes: -std=c99 -std=iso9899:1999)
-dnl AIX         -qlanglvl=extc99 (unused restrictive mode: -qlanglvl=stdc99)
-dnl Intel ICC   -c99
-dnl IRIX        -c99
-dnl Solaris     (unused because it causes the compiler to assume C99 semantics for
-dnl             library functions, and this is invalid before Solaris 10: -xc99)
-dnl Tru64       -c99
-dnl with extended modes being tried first.
-[[-std=gnu99 -c99 -qlanglvl=extc99]], [$1], [$2])[]dnl
-])# _AC_PROG_CC_C99
-
-# AC_PROG_CC_C99
-# --------------
-AC_DEFUN([AC_PROG_CC_C99],
-[ AC_REQUIRE([AC_PROG_CC])dnl
-  _AC_PROG_CC_C99
-])
-
-# AC_USE_SYSTEM_EXTENSIONS
-# ------------------------
-# Enable extensions on systems that normally disable them,
-# typically due to standards-conformance issues.
-m4_ifndef([AC_USE_SYSTEM_EXTENSIONS],[
-AC_DEFUN([AC_USE_SYSTEM_EXTENSIONS],
-[
-  AC_BEFORE([$0], [AC_COMPILE_IFELSE])
-  AC_BEFORE([$0], [AC_RUN_IFELSE])
-
-  AC_REQUIRE([AC_GNU_SOURCE])
-  AC_REQUIRE([AC_AIX])
-  AC_REQUIRE([AC_MINIX])
-
-  AH_VERBATIM([__EXTENSIONS__],
-[/* Enable extensions on Solaris.  */
-#ifndef __EXTENSIONS__
-# undef __EXTENSIONS__
-#endif
-#ifndef _POSIX_PTHREAD_SEMANTICS
-# undef _POSIX_PTHREAD_SEMANTICS
-#endif])
-  AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
-    [ac_cv_safe_to_define___extensions__],
-    [AC_COMPILE_IFELSE(
-       [AC_LANG_PROGRAM([
-#         define __EXTENSIONS__ 1
-          AC_INCLUDES_DEFAULT])],
-       [ac_cv_safe_to_define___extensions__=yes],
-       [ac_cv_safe_to_define___extensions__=no])])
-  test $ac_cv_safe_to_define___extensions__ = yes &&
-    AC_DEFINE([__EXTENSIONS__])
-  AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
-])
-])