/* conf_post.h --- configure.ac includes this via AH_BOTTOM
-Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014 Free Software
+Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015 Free Software
Foundation, Inc.
This file is part of GNU Emacs.
#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
+/* 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;
#define vfork fork
#endif /* DARWIN_OS */
+/* If HYBRID_MALLOC is defined (e.g., on Cygwin), emacs will use
+ gmalloc before dumping and the system malloc after dumping.
+ hybrid_malloc and friends, defined in gmalloc.c, are wrappers that
+ accomplish this. */
+#ifdef HYBRID_MALLOC
+#ifdef emacs
+#define malloc hybrid_malloc
+#define realloc hybrid_realloc
+#define calloc hybrid_calloc
+#define free hybrid_free
+#if defined HAVE_GET_CURRENT_DIR_NAME && !defined BROKEN_GET_CURRENT_DIR_NAME
+#define HYBRID_GET_CURRENT_DIR_NAME 1
+#define get_current_dir_name hybrid_get_current_dir_name
+#endif
+#endif
+#endif /* HYBRID_MALLOC */
+
/* We have to go this route, rather than the old hpux9 approach of
renaming the functions via macros. The system's stdlib.h has fully
prototyped declarations, which yields a conflicting definition of
#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
-/* 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
- are visible. */
-#if __GNUC__ < 4
-# define _GL_EXECINFO_INLINE inline
-#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
+
/* End of gnulib-related stuff. */
#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 */
#if defined CYGWIN && defined HAVE_NTGUI
# define NTGUI_UNICODE /* Cygwin runs only on UNICODE-supporting systems */
# define _WIN32_WINNT 0x500 /* Win2k */
+/* The following was in /usr/include/string.h prior to Cygwin 1.7.33. */
+#ifndef strnicmp
+#define strnicmp strncasecmp
+#endif
#endif
#ifdef emacs /* Don't do this for lib-src. */
#define ATTRIBUTE_CONST _GL_ATTRIBUTE_CONST
+#if 3 <= __GNUC__
+# define ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
+#else
+# define ATTRIBUTE_MALLOC
+#endif
+
+#if (__clang__ \
+ ? __has_attribute (alloc_size) \
+ : 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 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
+ 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
+# define ADDRESS_SANITIZER_WORKAROUND NO_INLINE
#endif
/* Attribute of functions whose code should not have addresses
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
+ inline functions. Buggy GCC implementations do something similar with
+ GNU-specific keywords. Buggy non-GCC compilers use static
functions, which bloats the code but is good enough. */
#ifndef INLINE
/* 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.
+ IBM xlc 12.1 claims to do C99 but mishandles flexible array members. */
+#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. */