/* 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 type of bool bitfields. Needed to compile Objective-C with
+ standard GCC. It was also needed to port to pre-C99 compilers,
+ although we don't care about that any more. */
+#if 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 HPUX
#undef srandom
#undef random
-/* We try to avoid checking for random and rint on hpux in
- configure.ac, but some other configure test might check for them as
- a dependency, so to be safe we also undefine them here.
- */
#undef HAVE_RANDOM
#undef HAVE_RINT
#endif /* HPUX */
#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, ...);
/* Tell regex.c to use a type compatible with Emacs. */
#define RE_TRANSLATE_TYPE Lisp_Object
#define RE_TRANSLATE(TBL, C) char_table_translate (TBL, C)
-#ifdef make_number
-/* If make_number is a macro, use it. */
#define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
-#else
-/* If make_number is a function, avoid it. */
-#define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
-#endif
#endif
#include <string.h>
#define ATTRIBUTE_CONST _GL_ATTRIBUTE_CONST
+#if 3 <= __GNUC__
+# define ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
+#else
+# define ATTRIBUTE_MALLOC
+#endif
+
+#if 4 < __GNUC__ + (3 <= __GNUC_MINOR__)
+# define ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args))
+#else
+# define ATTRIBUTE_ALLOC_SIZE(args)
+#endif
+
+#define ATTRIBUTE_MALLOC_SIZE(args) ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE (args)
+
+/* 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 fixed in GCC 4.9.0 and
+ clang 3.4. */
+#if (! ADDRESS_SANITIZER \
+ || ((4 < __GNUC__ + (9 <= __GNUC_MINOR__)) \
+ || 3 < __clang_major__ + (4 <= __clang_minor__)))
+# define ADDRESS_SANITIZER_WORKAROUND /* No workaround needed. */
+#else
+# define ADDRESS_SANITIZER_WORKAROUND NO_INLINE
+#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
[#include any other .h files first.]
...
INLINE_HEADER_BEGIN
- #ifndef FOO_INLINE
- # define FOO_INLINE INLINE
- #endif
...
- FOO_INLINE int
+ INLINE int
incr (int i)
{
return i + 1;
...
INLINE_HEADER_END
- The corresponding foo.c file should do this:
+ For every executable, exactly one file that includes the header
+ should do this:
- #define FOO_INLINE EXTERN_INLINE
+ #define INLINE EXTERN_INLINE
- before including any .h file other than config.h.
- Other .c files should not define FOO_INILNE.
+ before including config.h or any other .h file.
+ Other .c files should not define INLINE.
C99 compilers compile functions like 'incr' as C99-style extern
inline functions. Pre-C99 GCCs do something similar with
GNU-specific keywords. Pre-C99 non-GCC compilers use static
functions, which bloats the code but is good enough. */
-#define INLINE _GL_INLINE
+#ifndef INLINE
+# define INLINE _GL_INLINE
+#endif
#define EXTERN_INLINE _GL_EXTERN_INLINE
#define INLINE_HEADER_BEGIN _GL_INLINE_HEADER_BEGIN
#define INLINE_HEADER_END _GL_INLINE_HEADER_END
/* 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__
-# define FLEXIBLE_ARRAY_MEMBER
-#elif __GNUC__ && !defined __STRICT_ANSI__
-# define FLEXIBLE_ARRAY_MEMBER 0
-#else
+ and allocate (offsetof (struct s, name) + N * sizeof (t)) bytes.
+
+ This macro used to expand to something different on pre-C99 compilers.
+ IBM xlc 12.1 claims to do C99 but mishandles flexible array members.
+ FIXME: Remove it, and remove all uses. */
+#ifdef __IBMC__
# define FLEXIBLE_ARRAY_MEMBER 1
+#else
+# define FLEXIBLE_ARRAY_MEMBER
#endif
/* Use this to suppress gcc's `...may be used before initialized' warnings. */
#ifdef lint
/* Use CODE only if lint checking is in effect. */
# define IF_LINT(Code) Code
-/* Assume that the expression COND is true. This differs in intent
- from 'assert', as it is a message from the programmer to the compiler. */
-# define lint_assume(cond) ((cond) ? (void) 0 : abort ())
#else
# define IF_LINT(Code) /* empty */
-# define lint_assume(cond) ((void) (0 && (cond)))
#endif
/* conf_post.h ends here */
HCoop / bpt / emacs.git / blobdiff