Merged changes from libffi3-branch.

The bundled libffi copy is now in sync with the recently released
libffi3.0.4 version, apart from some small changes to
Modules/_ctypes/libffi/configure.ac.

I gave up on using libffi3 files on os x.
Instead, static configuration with files from pyobjc is used.

Modules/_ctypes/libffi/LICENSE

-libffi - Copyright (c) 1996-2003  Red Hat, Inc.
+libffi - Copyright (c) 1996-2008  Red Hat, Inc and others.  
+See source files for details.
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
@@ -11,10 +12,10 @@ the following conditions:
 The above copyright notice and this permission notice shall be included
 in all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Modules/_ctypes/libffi/Makefile.am

+## Process this with automake to create Makefile.in
+
+AUTOMAKE_OPTIONS = foreign subdir-objects
+
+SUBDIRS = include testsuite man
+
+EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj configure.host \
+	src/alpha/ffi.c src/alpha/osf.S src/alpha/ffitarget.h \
+	src/arm/ffi.c src/arm/sysv.S src/arm/ffitarget.h \
+	src/cris/ffi.c src/cris/sysv.S src/cris/ffitarget.h \
+	src/ia64/ffi.c src/ia64/ffitarget.h src/ia64/ia64_flags.h \
+	src/ia64/unix.S \
+	src/mips/ffi.c src/mips/n32.S src/mips/o32.S \
+	src/mips/ffitarget.h \
+	src/m32r/ffi.c src/m32r/sysv.S src/m32r/ffitarget.h \
+	src/m68k/ffi.c src/m68k/sysv.S src/m68k/ffitarget.h \
+	src/powerpc/ffi.c src/powerpc/sysv.S \
+	src/powerpc/linux64.S src/powerpc/linux64_closure.S \
+	src/powerpc/ppc_closure.S src/powerpc/asm.h \
+	src/powerpc/aix.S src/powerpc/darwin.S \
+	src/powerpc/aix_closure.S src/powerpc/darwin_closure.S \
+	src/powerpc/ffi_darwin.c src/powerpc/ffitarget.h \
+	src/s390/ffi.c src/s390/sysv.S src/s390/ffitarget.h \
+	src/sh/ffi.c src/sh/sysv.S src/sh/ffitarget.h \
+	src/sh64/ffi.c src/sh64/sysv.S src/sh64/ffitarget.h \
+	src/sparc/v8.S src/sparc/v9.S src/sparc/ffitarget.h \
+	src/sparc/ffi.c src/x86/darwin64.S \
+	src/x86/ffi.c src/x86/sysv.S src/x86/win32.S src/x86/darwin.S \
+	src/x86/freebsd.S \
+	src/x86/ffi64.c src/x86/unix64.S src/x86/ffitarget.h \
+	src/pa/ffitarget.h src/pa/ffi.c src/pa/linux.S src/pa/hpux32.S \
+	src/frv/ffi.c src/frv/eabi.S src/frv/ffitarget.h src/dlmalloc.c \
+	libtool-version ChangeLog.libffi
+
+info_TEXINFOS = doc/libffi.texi
+
+## ################################################################
+
+##
+## This section is for make and multilib madness.
+##
+
+# Work around what appears to be a GNU make bug handling MAKEFLAGS
+# values defined in terms of make variables, as is the case for CC and
+# friends when we are called from the top level Makefile.
+AM_MAKEFLAGS = \
+	"AR_FLAGS=$(AR_FLAGS)" \
+	"CC_FOR_BUILD=$(CC_FOR_BUILD)" \
+	"CFLAGS=$(CFLAGS)" \
+	"CXXFLAGS=$(CXXFLAGS)" \
+	"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
+	"CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \
+	"INSTALL=$(INSTALL)" \
+	"INSTALL_DATA=$(INSTALL_DATA)" \
+	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
+	"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
+	"JC1FLAGS=$(JC1FLAGS)" \
+	"LDFLAGS=$(LDFLAGS)" \
+	"LIBCFLAGS=$(LIBCFLAGS)" \
+	"LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \
+	"MAKE=$(MAKE)" \
+	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
+	"PICFLAG=$(PICFLAG)" \
+	"PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" \
+	"RUNTESTFLAGS=$(RUNTESTFLAGS)" \
+	"SHELL=$(SHELL)" \
+	"exec_prefix=$(exec_prefix)" \
+	"infodir=$(infodir)" \
+	"libdir=$(libdir)" \
+	"prefix=$(prefix)" \
+	"AR=$(AR)" \
+	"AS=$(AS)" \
+	"CC=$(CC)" \
+	"CXX=$(CXX)" \
+	"LD=$(LD)" \
+	"NM=$(NM)" \
+	"RANLIB=$(RANLIB)" \
+	"DESTDIR=$(DESTDIR)"
+
+MAKEOVERRIDES=
+
+lib_LTLIBRARIES = libffi.la
+noinst_LTLIBRARIES = libffi_convenience.la
+
+libffi_la_SOURCES = src/debug.c src/prep_cif.c src/types.c \
+		src/raw_api.c src/java_raw_api.c src/closures.c
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libffi.pc
+
+nodist_libffi_la_SOURCES =
+
+if MIPS
+nodist_libffi_la_SOURCES += src/mips/ffi.c src/mips/o32.S src/mips/n32.S
+endif
+if X86
+nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/sysv.S
+endif
+if X86_FREEBSD
+nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/freebsd.S
+endif
+if X86_WIN32
+nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/win32.S
+endif
+if X86_DARWIN
+nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/darwin.S src/x86/ffi64.c src/x86/darwin64.S
+endif
+if SPARC
+nodist_libffi_la_SOURCES += src/sparc/ffi.c src/sparc/v8.S src/sparc/v9.S
+endif
+if ALPHA
+nodist_libffi_la_SOURCES += src/alpha/ffi.c src/alpha/osf.S
+endif
+if IA64
+nodist_libffi_la_SOURCES += src/ia64/ffi.c src/ia64/unix.S
+endif
+if M32R
+nodist_libffi_la_SOURCES += src/m32r/sysv.S src/m32r/ffi.c
+endif
+if M68K
+nodist_libffi_la_SOURCES += src/m68k/ffi.c src/m68k/sysv.S
+endif
+if POWERPC
+nodist_libffi_la_SOURCES += src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S src/powerpc/linux64.S src/powerpc/linux64_closure.S
+endif
+if POWERPC_AIX
+nodist_libffi_la_SOURCES += src/powerpc/ffi_darwin.c src/powerpc/aix.S src/powerpc/aix_closure.S
+endif
+if POWERPC_DARWIN
+nodist_libffi_la_SOURCES += src/powerpc/ffi_darwin.c src/powerpc/darwin.S src/powerpc/darwin_closure.S
+endif
+if POWERPC_FREEBSD
+nodist_libffi_la_SOURCES += src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S
+endif
+if ARM
+nodist_libffi_la_SOURCES += src/arm/sysv.S src/arm/ffi.c
+endif
+if LIBFFI_CRIS
+nodist_libffi_la_SOURCES += src/cris/sysv.S src/cris/ffi.c
+endif
+if FRV
+nodist_libffi_la_SOURCES += src/frv/eabi.S src/frv/ffi.c
+endif
+if S390
+nodist_libffi_la_SOURCES += src/s390/sysv.S src/s390/ffi.c
+endif
+if X86_64
+nodist_libffi_la_SOURCES += src/x86/ffi64.c src/x86/unix64.S src/x86/ffi.c src/x86/sysv.S
+endif
+if SH
+nodist_libffi_la_SOURCES += src/sh/sysv.S src/sh/ffi.c
+endif
+if SH64
+nodist_libffi_la_SOURCES += src/sh64/sysv.S src/sh64/ffi.c
+endif
+if PA_LINUX
+nodist_libffi_la_SOURCES += src/pa/linux.S src/pa/ffi.c
+endif
+if PA_HPUX
+nodist_libffi_la_SOURCES += src/pa/hpux32.S src/pa/ffi.c
+endif
+
+libffi_convenience_la_SOURCES = $(libffi_la_SOURCES)
+nodist_libffi_convenience_la_SOURCES = $(nodist_libffi_la_SOURCES)
+
+AM_CFLAGS = -Wall -g -fexceptions
+
+libffi_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version`
+
+AM_CPPFLAGS = -I. -I$(top_srcdir)/include -Iinclude -I$(top_srcdir)/src
+AM_CCASFLAGS = $(AM_CPPFLAGS)
+
+# No install-html or install-pdf support in automake yet
+.PHONY: install-html install-pdf
+install-html:
+install-pdf:
+

Modules/_ctypes/libffi/acinclude.m4

+# mmap(2) blacklisting.  Some platforms provide the mmap library routine
+# but don't support all of the features we need from it.
+AC_DEFUN([AC_FUNC_MMAP_BLACKLIST],
+[
+AC_CHECK_HEADER([sys/mman.h],
+		[libffi_header_sys_mman_h=yes], [libffi_header_sys_mman_h=no])
+AC_CHECK_FUNC([mmap], [libffi_func_mmap=yes], [libffi_func_mmap=no])
+if test "$libffi_header_sys_mman_h" != yes \
+ || test "$libffi_func_mmap" != yes; then
+   ac_cv_func_mmap_file=no
+   ac_cv_func_mmap_dev_zero=no
+   ac_cv_func_mmap_anon=no
+else
+   AC_CACHE_CHECK([whether read-only mmap of a plain file works],
+  ac_cv_func_mmap_file,
+  [# Add a system to this blacklist if
+   # mmap(0, stat_size, PROT_READ, MAP_PRIVATE, fd, 0) doesn't return a
+   # memory area containing the same data that you'd get if you applied
+   # read() to the same fd.  The only system known to have a problem here
+   # is VMS, where text files have record structure.
+   case "$host_os" in
+     vms* | ultrix*)
+	ac_cv_func_mmap_file=no ;;
+     *)
+	ac_cv_func_mmap_file=yes;;
+   esac])
+   AC_CACHE_CHECK([whether mmap from /dev/zero works],
+  ac_cv_func_mmap_dev_zero,
+  [# Add a system to this blacklist if it has mmap() but /dev/zero
+   # does not exist, or if mmapping /dev/zero does not give anonymous
+   # zeroed pages with both the following properties:
+   # 1. If you map N consecutive pages in with one call, and then
+   #    unmap any subset of those pages, the pages that were not
+   #    explicitly unmapped remain accessible.
+   # 2. If you map two adjacent blocks of memory and then unmap them
+   #    both at once, they must both go away.
+   # Systems known to be in this category are Windows (all variants),
+   # VMS, and Darwin.
+   case "$host_os" in
+     vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
+	ac_cv_func_mmap_dev_zero=no ;;
+     *)
+	ac_cv_func_mmap_dev_zero=yes;;
+   esac])
+
+   # Unlike /dev/zero, the MAP_ANON(YMOUS) defines can be probed for.
+   AC_CACHE_CHECK([for MAP_ANON(YMOUS)], ac_cv_decl_map_anon,
+    [AC_TRY_COMPILE(
+[#include <sys/types.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+],
+[int n = MAP_ANONYMOUS;],
+    ac_cv_decl_map_anon=yes,
+    ac_cv_decl_map_anon=no)])
+
+   if test $ac_cv_decl_map_anon = no; then
+     ac_cv_func_mmap_anon=no
+   else
+     AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works],
+     ac_cv_func_mmap_anon,
+  [# Add a system to this blacklist if it has mmap() and MAP_ANON or
+   # MAP_ANONYMOUS, but using mmap(..., MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
+   # doesn't give anonymous zeroed pages with the same properties listed
+   # above for use of /dev/zero.
+   # Systems known to be in this category are Windows, VMS, and SCO Unix.
+   case "$host_os" in
+     vms* | cygwin* | pe | mingw* | sco* | udk* )
+	ac_cv_func_mmap_anon=no ;;
+     *)
+	ac_cv_func_mmap_anon=yes;;
+   esac])
+   fi
+fi
+
+if test $ac_cv_func_mmap_file = yes; then
+  AC_DEFINE(HAVE_MMAP_FILE, 1,
+	    [Define if read-only mmap of a plain file works.])
+fi
+if test $ac_cv_func_mmap_dev_zero = yes; then
+  AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1,
+	    [Define if mmap of /dev/zero works.])
+fi
+if test $ac_cv_func_mmap_anon = yes; then
+  AC_DEFINE(HAVE_MMAP_ANON, 1,
+	    [Define if mmap with MAP_ANON(YMOUS) works.])
+fi
+])

Modules/_ctypes/libffi/configure.host

+# configure.host
+#
+# This shell script handles all host based configuration for libffi.
+# 
+
+# THIS TABLE IS SORTED.  KEEP IT THAT WAY.
+case "${host}" in
+  frv*-elf)
+    LDFLAGS=`echo $LDFLAGS | sed "s/\-B[^ ]*libgloss\/frv\///"`\ -B`pwd`/../libgloss/frv/
+    ;;
+esac

Modules/_ctypes/libffi/fficonfig.h.in

@@ -11,9 +11,15 @@
 /* Define to the flags needed for the .section .eh_frame directive. */
 #undef EH_FRAME_FLAGS
 
+/* Define this if you want extra debugging. */
+#undef FFI_DEBUG
+
 /* Define this is you do not want support for the raw API. */
 #undef FFI_NO_RAW_API
 
+/* Define this is you do not want support for aggregate types. */
+#undef FFI_NO_STRUCTS
+
 /* Define to 1 if you have `alloca', as a function or macro. */
 #undef HAVE_ALLOCA
 
@@ -21,6 +27,9 @@
    */
 #undef HAVE_ALLOCA_H
 
+/* Define if your assembler supports .cfi_* directives. */
+#undef HAVE_AS_CFI_PSEUDO_OP
+
 /* Define if your assembler supports .register. */
 #undef HAVE_AS_REGISTER_PSEUDO_OP
 
@@ -28,6 +37,9 @@
    */
 #undef HAVE_AS_SPARC_UA_PCREL
 
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
 /* Define if __attribute__((visibility("hidden"))) is supported. */
 #undef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
 
@@ -82,6 +94,12 @@
 /* Define to 1 if you have the <unistd.h> header file. */
 #undef HAVE_UNISTD_H
 
+/* Define to 1 if your C compiler doesn't accept -c and -o together. */
+#undef NO_MINUS_C_MINUS_O
+
+/* Name of package */
+#undef PACKAGE
+
 /* Define to the address where bug reports for this package should be sent. */
 #undef PACKAGE_BUGREPORT
 
@@ -114,22 +132,16 @@
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 
+/* Define this if you are using Purify and want to suppress spurious messages.
+   */
+#undef USING_PURIFY
+
+/* Version number of package */
+#undef VERSION
 
 /* Define to 1 if your processor stores words with the most significant byte
-   first (like Motorola and SPARC, unlike Intel and VAX). 
-
-   The block below does compile-time checking for endianness on platforms
-   that use GCC and therefore allows compiling fat binaries on OSX by using
-   '-arch ppc -arch i386' as the compile flags. The phrasing was choosen
-   such that the configure-result is used on systems that don't use GCC.
-*/
-#ifdef __BIG_ENDIAN__
-#define WORDS_BIGENDIAN 1
-#else
-#ifndef __LITTLE_ENDIAN__
+   first (like Motorola and SPARC, unlike Intel and VAX). */
 #undef WORDS_BIGENDIAN
-#endif
-#endif
 
 
 #ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE

Modules/_ctypes/libffi/fficonfig.py.in

@@ -6,7 +6,7 @@ ffi_platforms = {
     'MIPS_IRIX': ['src/mips/ffi.c', 'src/mips/o32.S', 'src/mips/n32.S'],
     'MIPS_LINUX': ['src/mips/ffi.c', 'src/mips/o32.S'],
     'X86': ['src/x86/ffi.c', 'src/x86/sysv.S'],
-    'X86_DARWIN': ['src/x86/ffi_darwin.c', 'src/x86/darwin.S'],
+    'X86_FREEBSD': ['src/x86/ffi.c', 'src/x86/sysv.S'],
     'X86_WIN32': ['src/x86/ffi.c', 'src/x86/win32.S'],
     'SPARC': ['src/sparc/ffi.c', 'src/sparc/v8.S', 'src/sparc/v9.S'],
     'ALPHA': ['src/alpha/ffi.c', 'src/alpha/osf.S'],
@@ -14,8 +14,7 @@ ffi_platforms = {
     'M32R': ['src/m32r/sysv.S', 'src/m32r/ffi.c'],
     'M68K': ['src/m68k/ffi.c', 'src/m68k/sysv.S'],
     'POWERPC': ['src/powerpc/ffi.c', 'src/powerpc/sysv.S', 'src/powerpc/ppc_closure.S', 'src/powerpc/linux64.S', 'src/powerpc/linux64_closure.S'],
-    'POWERPC_AIX': ['src/powerpc/ffi_darwin.c', 'src/powerpc/aix.S', 'src/powerpc/aix_closure.S'],
-    'POWERPC_DARWIN': ['src/powerpc/ffi_darwin.c', 'src/powerpc/darwin.S', 'src/powerpc/darwin_closure.S'],
+    'POWERPC_AIX': ['src/powerpc/ffi.c', 'src/powerpc/aix.S', 'src/powerpc/aix_closure.S'],
     'POWERPC_FREEBSD': ['src/powerpc/ffi.c', 'src/powerpc/sysv.S', 'src/powerpc/ppc_closure.S'],
     'ARM': ['src/arm/sysv.S', 'src/arm/ffi.c'],
     'LIBFFI_CRIS': ['src/cris/sysv.S', 'src/cris/ffi.c'],
@@ -27,19 +26,8 @@ ffi_platforms = {
     'PA': ['src/pa/linux.S', 'src/pa/ffi.c'],
 }
 
-# Build all darwin related files on all supported darwin architectures, this
-# makes it easier to build universal binaries.
-if 1:
-    all_darwin = ('X86_DARWIN', 'POWERPC_DARWIN')
-    all_darwin_files = []
-    for pn in all_darwin:
-        all_darwin_files.extend(ffi_platforms[pn])
-    for pn in all_darwin:
-        ffi_platforms[pn] = all_darwin_files
-    del all_darwin, all_darwin_files, pn
-
 ffi_srcdir = '@srcdir@'
-ffi_sources += ffi_platforms['@MKTARGET@']
+ffi_sources += ffi_platforms['@TARGET@']
 ffi_sources = [os.path.join('@srcdir@', f) for f in ffi_sources]
 
 ffi_cflags = '@CFLAGS@'

Modules/_ctypes/libffi/include/Makefile.am

+## Process this with automake to create Makefile.in
+
+AUTOMAKE_OPTIONS=foreign
+
+DISTCLEANFILES=ffitarget.h
+EXTRA_DIST=ffi.h.in ffi_common.h
+
+includesdir = $(libdir)/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
+nodist_includes_HEADERS = ffi.h ffitarget.h 

Modules/_ctypes/libffi/libffi.pc.in

+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=${libdir}/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
+
+Name: @PACKAGE_NAME@
+Description: Library supporting Foreign Function Interfaces
+Version: @PACKAGE_VERSION@
+Libs: -lffi
+Cflags: -I${includedir}

Modules/_ctypes/libffi/src/alpha/ffitarget.h

@@ -13,13 +13,14 @@
    The above copyright notice and this permission notice shall be included
    in all copies or substantial portions of the Software.
 
-   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
-   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-   IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR
-   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-   OTHER DEALINGS IN THE SOFTWARE.
+   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
 
    ----------------------------------------------------------------------- */
 
@@ -33,8 +34,8 @@ typedef signed long            ffi_sarg;
 typedef enum ffi_abi {
   FFI_FIRST_ABI = 0,
   FFI_OSF,
-  FFI_DEFAULT_ABI = FFI_OSF,
-  FFI_LAST_ABI = FFI_DEFAULT_ABI + 1
+  FFI_LAST_ABI,
+  FFI_DEFAULT_ABI = FFI_OSF
 } ffi_abi;
 #endif
 
@@ -45,4 +46,3 @@ typedef enum ffi_abi {
 #define FFI_NATIVE_RAW_API 0
 
 #endif
-