/* conf_post.h --- configure.ac includes this via AH_BOTTOM
-Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013 Free Software
+Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014 Free Software
Foundation, Inc.
This file is part of GNU Emacs.
# include config_opsysfile
#endif
+#include <stdbool.h>
+
+/* The pre-C99 <stdbool.h> emulation doesn't work for bool bitfields.
+ Nor does compiling Objective-C with standard GCC. */
+#if __STDC_VERSION__ < 199901 || NS_IMPL_GNUSTEP
+typedef unsigned int bool_bf;
+#else
+typedef bool bool_bf;
+#endif
+
#ifndef WINDOWSNT
/* On AIX 3 this must be included before any other include file. */
#include <alloca.h>
#endif
#endif
+/* When not using Clang, assume its attributes and features are absent. */
#ifndef __has_attribute
-# define __has_attribute(a) 0 /* non-clang */
+# define __has_attribute(a) false
+#endif
+#ifndef __has_feature
+# define __has_feature(a) false
+#endif
+
+/* True if addresses are being sanitized. */
+#if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
+# define ADDRESS_SANITIZER true
+#else
+# define ADDRESS_SANITIZER false
#endif
#ifdef DARWIN_OS
#define malloc unexec_malloc
#define realloc unexec_realloc
#define free unexec_free
-/* Don't use posix_memalign because it is not compatible with unexmacosx.c. */
-#undef HAVE_POSIX_MEMALIGN
#endif
/* The following solves the problem that Emacs hangs when evaluating
(make-comint "test0" "/nodir/nofile" nil "") when /nodir/nofile
#ifdef emacs
char *_getpty();
#endif
-
+#define INET6 /* Needed for struct sockaddr_in6. */
+#undef HAVE_GETADDRINFO /* IRIX has getaddrinfo but not struct addrinfo. */
#endif /* IRIX6_5 */
#ifdef MSDOS
#else
# define lstat stat
#endif
+
+/* We must intercept 'opendir' calls to stash away the directory name,
+ so we could reuse it in readlinkat; see msdos.c. */
+#define opendir sys_opendir
+
/* The "portable" definition of _GL_INLINE on config.h does not work
with DJGPP GCC 3.4.4: it causes unresolved externals in sysdep.c,
although lib/execinfo.h is included and the inline functions there
#define emacs_raise(sig) msdos_fatal_signal (sig)
+/* DATA_START is needed by vm-limit.c and unexcoff.c. */
+#define DATA_START (&etext + 1)
+
/* Define one of these for easier conditionals. */
#ifdef HAVE_X_WINDOWS
/* We need a little extra space, see ../../lisp/loadup.el and the
directory tree). Given the unknown policy of different DPMI
hosts regarding loading of untouched pages, I'm not going to risk
enlarging Emacs footprint by another 100+ KBytes. */
-#define SYSTEM_PURESIZE_EXTRA (-170000+65000)
+#define SYSTEM_PURESIZE_EXTRA (-170000+90000)
#endif
#endif /* MSDOS */
#endif
#endif
+#ifdef CYGWIN
+#define SYSTEM_PURESIZE_EXTRA 10000
+#endif
+
#if defined HAVE_NTGUI && !defined DebPrint
# ifdef EMACSDEBUG
extern void _DebPrint (const char *fmt, ...);
#define ATTRIBUTE_CONST _GL_ATTRIBUTE_CONST
+/* Work around GCC bug 59600: when a function is inlined, the inlined
+ code may have its addresses sanitized even if the function has the
+ no_sanitize_address attribute. This bug is present in GCC 4.8.2
+ and clang 3.3, the latest releases as of December 2013, and the
+ only platforms known to support address sanitization. When the bug
+ is fixed the #if can be updated accordingly. */
+#if ADDRESS_SANITIZER
+# define ADDRESS_SANITIZER_WORKAROUND NO_INLINE
+#else
+# define ADDRESS_SANITIZER_WORKAROUND
+#endif
+
+/* Attribute of functions whose code should not have addresses
+ sanitized. */
+
+#if (__has_attribute (no_sanitize_address) \
+ || 4 < __GNUC__ + (8 <= __GNUC_MINOR__))
+# define ATTRIBUTE_NO_SANITIZE_ADDRESS \
+ __attribute__ ((no_sanitize_address)) ADDRESS_SANITIZER_WORKAROUND
+#elif __has_attribute (no_address_safety_analysis)
+# define ATTRIBUTE_NO_SANITIZE_ADDRESS \
+ __attribute__ ((no_address_safety_analysis)) ADDRESS_SANITIZER_WORKAROUND
+#else
+# define ATTRIBUTE_NO_SANITIZE_ADDRESS
+#endif
+
/* Some versions of GNU/Linux define noinline in their headers. */
#ifdef noinline
#undef noinline
/* To use the struct hack with N elements, declare the struct like this:
struct s { ...; t name[FLEXIBLE_ARRAY_MEMBER]; };
- and allocate (offsetof (struct s, name) + N * sizeof (t)) bytes. */
-#if 199901 <= __STDC_VERSION__
+ and allocate (offsetof (struct s, name) + N * sizeof (t)) bytes.
+ IBM xlc 12.1 claims to do C99 but mishandles flexible array members. */
+#if 199901 <= __STDC_VERSION__ && !defined __IBMC__
# define FLEXIBLE_ARRAY_MEMBER
#elif __GNUC__ && !defined __STRICT_ANSI__
# define FLEXIBLE_ARRAY_MEMBER 0
# define FLEXIBLE_ARRAY_MEMBER 1
#endif
-#ifdef __clang__
-# ifndef __has_builtin
-# define __has_builtin(x) 0
-# endif
-#endif
-
-/* assume(cond) tells the compiler (and lint) that a certain condition
- * will always hold, and that it should optimize (or check) accordingly. */
-#if defined lint
-# define assume(cond) ((cond) ? (void) 0 : abort ())
-#elif (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) || __GNUC__ > 4
-# define assume(cond) ((cond) || (__builtin_unreachable(), 0))
-#elif defined (__clang__) && __has_builtin (__builtin_unreachable)
-# define assume(cond) ((cond) || (__builtin_unreachable(), 0))
-#elif defined __MSC_VER
-# define assume(cond) __assume ((cond))
-#else
-# define assume(cond) (0 && (cond))
-#endif
-
/* Use this to suppress gcc's `...may be used before initialized' warnings. */
#ifdef lint
/* Use CODE only if lint checking is in effect. */
HCoop / bpt / emacs.git / blobdiff