libffi: Integrate build with GCC

1. Integrate with GCC build.
2. Disable static trampolines by default.
3. Support multilib.

	* Makefile.am (AUTOMAKE_OPTIONS): Add info-in-builddir.
	(ACLOCAL_AMFLAGS): Set to -I .. -I ../config.
	(SUBDIRS): Don't add doc.
	(TEXINFO_TEX): New.
	(MAKEINFOFLAGS): Likewise.
	(info_TEXINFOS): Likewise.
	(STAMP_GENINSRC): Likewise.
	(STAMP_BUILD_INFO): Likewise.
	(all-local): Likewise.
	(stamp-geninsrc): Likewise.
	(doc/libffi.info): Likewise.
	(stamp-build-info:): Likewise.
	(CLEANFILES): Likewise.
	(MAINTAINERCLEANFILES): Likewise.
	(AM_MAKEFLAGS): Likewise.
	(all-recursive): Likewise.
	(install-recursive): Likewise.
	(mostlyclean-recursive): Likewise.
	(clean-recursive): Likewise.
	(distclean-recursive): Likewise.
	(maintainer-clean-recursive): Likewise.
	(LTLDFLAGS): Replace libtool-ldflags with ../libtool-ldflags.
	(AM_CFLAGS): Add -g -fexceptions.
	(libffi.map-sun): Replace make_sunver.pl with
	../contrib/make_sunver.pl.
	(dist-hook): Removed.
	Include $(top_srcdir)/../multilib.am.
	* configure.ac: Add AM_ENABLE_MULTILIB.
	Remove the frv*-elf check.
	(AX_ENABLE_BUILDDIR): Removed.
	(AM_INIT_AUTOMAKE): Add [no-dist].
	Add --enable-generated-files-in-srcdir.
	(C_CONFIG_MACRO_DIR): Removed.
	(AX_COMPILER_VENDOR): Likewise.
	(AX_CC_MAXOPT): Likewise.
	(AX_CFLAGS_WARN_ALL): Likewise.
	Remove the GCC check.
	(SYMBOL_UNDERSCORE): Removed.
	(AX_CHECK_COMPILE_FLAG): Likewise.
	Remove --disable-docs.
	(ACX_CHECK_PROG_VER): Check makeinfo.
	(BUILD_DOCS): Updated.
	(exec-static-tramp): Don't enable use of static exec trampolines
	by default.
	Remove --disable-multi-os-directory.
	(GCC_WITH_TOOLEXECLIBDIR): New.
	Support cross host.
	Support --enable-multilib.
	* include/Makefile.am (nodist_include_HEADERS): Removed.
	(gcc_version): New.
	(toollibffidir): Likewise.
	(toollibffi_HEADERS): Likewise.
	* Makefile.in: Regenerate.
	(GCC_BASE_VER): New.
	(AC_CONFIG_FILES): Remove doc/Makefile.
	(AC_CONFIG_LINKS): New.
	* aclocal.m4: Likewise.
	* configure: Likewise.
	* fficonfig.h.in: Likewise.
	* mdate-sh: Likewise.
	* include/Makefile.in: Likewise.
	* man/Makefile.in: Likewise.
	* testsuite/Makefile.in: Likewise.

libffi/Makefile.am

@@ -1,18 +1,10 @@
 ## Process this with automake to create Makefile.in
 
-AUTOMAKE_OPTIONS = foreign subdir-objects
+AUTOMAKE_OPTIONS = foreign subdir-objects info-in-builddir
 
-ACLOCAL_AMFLAGS = -I m4
+ACLOCAL_AMFLAGS = -I .. -I ../config
 
 SUBDIRS = include testsuite man
-if BUILD_DOCS
-## This hack is needed because it doesn't seem possible to make a
-## conditional info_TEXINFOS in Automake.  At least Automake 1.14
-## either gives errors -- if this attempted in the most
-## straightforward way -- or simply unconditionally tries to build the
-## info file.
-SUBDIRS += doc
-endif
 
 EXTRA_DIST = LICENSE ChangeLog.old					\
 	m4/libtool.m4 m4/lt~obsolete.m4					\
@@ -26,6 +18,90 @@ EXTRA_DIST = LICENSE ChangeLog.old					\
 # local.exp is generated by configure
 DISTCLEANFILES = local.exp
 
+# Automake Documentation:
+# If your package has Texinfo files in many directories, you can use the
+# variable TEXINFO_TEX to tell Automake where to find the canonical
+# `texinfo.tex' for your package. The value of this variable should be
+# the relative path from the current `Makefile.am' to `texinfo.tex'.
+TEXINFO_TEX   = ../gcc/doc/include/texinfo.tex
+
+# Defines info, dvi, pdf and html targets
+MAKEINFOFLAGS = -I $(srcdir)/../gcc/doc/include
+info_TEXINFOS = doc/libffi.texi
+
+# AM_CONDITIONAL on configure option --generated-files-in-srcdir
+if GENINSRC
+STAMP_GENINSRC = stamp-geninsrc
+else
+STAMP_GENINSRC =
+endif
+
+# AM_CONDITIONAL on configure check ACX_CHECK_PROG_VER([MAKEINFO])
+if BUILD_DOCS
+STAMP_BUILD_INFO = stamp-build-info
+else
+STAMP_BUILD_INFO =
+endif
+
+all-local: $(STAMP_GENINSRC)
+
+stamp-geninsrc: doc/libffi.info
+	cp -p $(top_builddir)/doc/libffi.info $(srcdir)/doc/libffi.info
+	@touch $@
+
+doc/libffi.info: $(STAMP_BUILD_INFO)
+
+stamp-build-info: doc/libffi.texi $(srcdir)/doc/version.texi doc/$(am__dirstamp)
+	$(MAKEINFO) $(AM_MAKEINFOFLAGS) $(MAKEINFOFLAGS) -I $(srcdir)/doc -o doc/libffi.info $(srcdir)/doc/libffi.texi
+	@touch $@
+
+CLEANFILES = $(STAMP_GENINSRC) $(STAMP_BUILD_INFO)
+MAINTAINERCLEANFILES = $(srcdir)/doc/libffi.info
+
+## ################################################################
+
+##
+## This section is for make and multilib madness.
+##
+
+# Work around what appears to be a GNU make bug handling MAKEFLAGS
+# values defined in terms of make variables, as is the case for CC and
+# friends when we are called from the top level Makefile.
+AM_MAKEFLAGS = \
+	"AR_FLAGS=$(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)" \
+	"mandir=$(mandir)" \
+	"prefix=$(prefix)" \
+	"AR=$(AR)" \
+	"AS=$(AS)" \
+	"CC=$(CC)" \
+	"CXX=$(CXX)" \
+	"LD=$(LD)" \
+	"NM=$(NM)" \
+	"RANLIB=$(RANLIB)" \
+	"DESTDIR=$(DESTDIR)"
+
 # Subdir rules rely on $(FLAGS_TO_PASS)
 FLAGS_TO_PASS = $(AM_MAKEFLAGS)
 
@@ -104,9 +180,9 @@ libffi_convenience_la_LIBADD = $(libffi_la_LIBADD)
 libffi_convenience_la_DEPENDENCIES = $(libffi_la_DEPENDENCIES)
 nodist_libffi_convenience_la_SOURCES = $(nodist_libffi_la_SOURCES)
 
-LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/libtool-ldflags $(LDFLAGS))
+LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
 
-AM_CFLAGS =
+AM_CFLAGS = -Wall -g -fexceptions
 if FFI_DEBUG
 # Build debug. Define FFI_DEBUG on the commandline so that, when building with
 # MSVC, it can link against the debug CRT.
@@ -121,9 +197,9 @@ endif
 if LIBFFI_BUILD_VERSIONED_SHLIB_SUN
 libffi_version_script = -Wl,-M,libffi.map-sun
 libffi_version_dep = libffi.map-sun
-libffi.map-sun : libffi.map $(top_srcdir)/make_sunver.pl \
+libffi.map-sun : libffi.map $(top_srcdir)/../contrib/make_sunver.pl \
 		 $(libffi_la_OBJECTS) $(libffi_la_LIBADD)
-	perl $(top_srcdir)/make_sunver.pl libffi.map \
+	perl $(top_srcdir)/../contrib/make_sunver.pl libffi.map \
 	 `echo $(libffi_la_OBJECTS) $(libffi_la_LIBADD) | \
 	    sed 's,\([^/        ]*\)\.l\([ao]\),.libs/\1.\2,g'` \
 	 > $@ || (rm -f $@ ; exit 1)
@@ -144,8 +220,12 @@ libffi_la_DEPENDENCIES = $(libffi_la_LIBADD) $(libffi_version_dep)
 AM_CPPFLAGS = -I. -I$(top_srcdir)/include -Iinclude -I$(top_srcdir)/src
 AM_CCASFLAGS = $(AM_CPPFLAGS)
 
-dist-hook:
-	d=`(cd $(distdir); pwd)`; (cd doc; make pdf; cp *.pdf $$d/doc)
-	if [ -d $(top_srcdir)/.git ] ; then (cd $(top_srcdir); git log --no-decorate) ; else echo 'See git log for history.' ; fi > $(distdir)/ChangeLog
-	s=`awk '/was released on/{ print NR; exit}' $(top_srcdir)/README.md`; tail -n +$$(($$s-1)) $(top_srcdir)/README.md > $(distdir)/README.md
+# Multilib support.  Automake should provide these on its own.
+all-recursive: all-multi
+install-recursive: install-multi
+mostlyclean-recursive: mostlyclean-multi
+clean-recursive: clean-multi
+distclean-recursive: distclean-multi
+maintainer-clean-recursive: maintainer-clean-multi
 
+include $(top_srcdir)/../multilib.am

libffi/configure.ac

@@ -5,18 +5,30 @@ AC_PREREQ(2.68)
 AC_INIT([libffi], [3.4.2], [http://github.com/libffi/libffi/issues])
 AC_CONFIG_HEADERS([fficonfig.h])
 
+AM_ENABLE_MULTILIB(, ..)
+
 AC_CANONICAL_SYSTEM
 target_alias=${target_alias-$host_alias}
 
-case "${host}" in
-  frv*-elf)
-    LDFLAGS=`echo $LDFLAGS | sed "s/\-B[^ ]*libgloss\/frv\///"`\ -B`pwd`/../libgloss/frv/
-    ;;
-esac
+AM_INIT_AUTOMAKE([no-dist])
 
-AX_ENABLE_BUILDDIR
-
-AM_INIT_AUTOMAKE
+# We would like our source tree to be readonly. However when releases or
+# pre-releases are generated, the flex/bison generated files as well as the
+# various formats of manuals need to be included along with the rest of the
+# sources.  Therefore we have --enable-generated-files-in-srcdir to do
+# just that.
+AC_MSG_CHECKING(generated-files-in-srcdir)
+AC_ARG_ENABLE(generated-files-in-srcdir,
+AS_HELP_STRING([--enable-generated-files-in-srcdir],
+ [put copies of generated files in source dir intended for creating source tarballs for users without texinfo bison or flex]),
+[case "$enableval" in
+ yes) enable_generated_files_in_srcdir=yes ;;
+ no)  enable_generated_files_in_srcdir=no ;;
+ *)   AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
+ esac],
+[enable_generated_files_in_srcdir=no])
+AC_MSG_RESULT($enable_generated_files_in_srcdir)
+AM_CONDITIONAL(GENINSRC, test "$enable_generated_files_in_srcdir" = yes)
 
 # The same as in boehm-gc and libstdc++. Have to borrow it from there.
 # We must force CC to /not/ be precious variables; otherwise
@@ -39,25 +51,12 @@ AC_SUBST(CFLAGS)
 AM_PROG_AS
 AM_PROG_CC_C_O
 AC_PROG_LIBTOOL
-AC_CONFIG_MACRO_DIR([m4])
 
 AC_CHECK_TOOL(READELF, readelf)
 
 # Test for 64-bit build.
 AC_CHECK_SIZEOF([size_t])
 
-AX_COMPILER_VENDOR
-AX_CC_MAXOPT
-# The AX_CFLAGS_WARN_ALL macro doesn't currently work for sunpro
-# compiler.
-if test "$ax_cv_c_compiler_vendor" != "sun"; then
-  AX_CFLAGS_WARN_ALL
-fi
-
-if test "x$GCC" = "xyes"; then
-  CFLAGS="$CFLAGS -fexceptions"
-fi
-
 cat > local.exp <<EOF
 set CC_FOR_TARGET "$CC"
 set CXX_FOR_TARGET "$CXX"
@@ -212,11 +211,6 @@ AC_ARG_ENABLE(pax_emutramp,
       [Define this if you want to enable pax emulated trampolines])
   fi)
 
-LT_SYS_SYMBOL_USCORE
-if test "x$sys_symbol_underscore" = xyes; then
-    AC_DEFINE(SYMBOL_UNDERSCORE, 1, [Define if symbols are underscored.])
-fi
-
 FFI_EXEC_TRAMPOLINE_TABLE=0
 case "$target" in
      *arm*-apple-* | aarch64-apple-*)
@@ -266,13 +260,11 @@ EOF
 fi
 
 if test "x$GCC" = "xyes"; then
-  AX_CHECK_COMPILE_FLAG(-fno-lto, libffi_cv_no_lto=-fno-lto)
-
   AC_CACHE_CHECK([whether .eh_frame section should be read-only],
       libffi_cv_ro_eh_frame, [
   	libffi_cv_ro_eh_frame=yes
   	echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c
-  	if $CC $CFLAGS -c -fpic -fexceptions $libffi_cv_no_lto -o conftest.o conftest.c > /dev/null 2>&1; then
+  	if $CC $CFLAGS -c -fpic -fexceptions -fno-lto -o conftest.o conftest.c > /dev/null 2>&1; then
 	    if $READELF -WS conftest.o | grep -q -n 'eh_frame .* WA'; then
 	        libffi_cv_ro_eh_frame=no
 	    fi
@@ -306,12 +298,12 @@ if test "x$GCC" = "xyes"; then
   fi
 fi
 
-AC_ARG_ENABLE(docs,
-              AC_HELP_STRING([--disable-docs],
-                             [Disable building of docs (default: no)]),
-              [enable_docs=no],
-              [enable_docs=yes])
-AM_CONDITIONAL(BUILD_DOCS, [test x$enable_docs = xyes])
+# See if makeinfo has been installed and is modern enough
+# that we can use it.
+ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version],
+                   [GNU texinfo.* \([0-9][0-9.]*\)],
+                   [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
+AM_CONDITIONAL(BUILD_DOCS, test $gcc_cv_prog_makeinfo_modern = "yes")
 
 AH_BOTTOM([
 #ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
@@ -367,9 +359,9 @@ AC_ARG_ENABLE(raw-api,
   fi)
 
 AC_ARG_ENABLE(exec-static-tramp,
-[  --disable-exec-static-tramp  disable use of static exec trampolines (enabled by default)])
+[  --enable-exec-static-tramp  enable use of static exec trampolines])
 
-if test "$enable_exec_static_tramp" != no; then
+if test "$enable_exec_static_tramp" = yes; then
 case "$target" in
      *-cygwin*)
      ;;
@@ -386,47 +378,51 @@ AC_ARG_ENABLE(purify-safety,
     AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.])
   fi)
 
-AC_ARG_ENABLE(multi-os-directory,
-[  --disable-multi-os-directory
-                          disable use of gcc --print-multi-os-directory to change the library installation directory])
-                          
-# These variables are only ever used when we cross-build to X86_WIN32.
-# And we only support this with GCC, so...
-if test "x$GCC" = "xyes"; then
-  if test -n "$with_cross_host" &&
-     test x"$with_cross_host" != x"no"; then
-    toolexecdir='${exec_prefix}'/'$(target_alias)'
-    toolexeclibdir='${toolexecdir}'/lib
-  else
-    toolexecdir='${libdir}'/gcc-lib/'$(target_alias)'
-    toolexeclibdir='${libdir}'
-  fi
-  if test x"$enable_multi_os_directory" != x"no"; then
-    multi_os_directory=`$CC $CFLAGS -print-multi-os-directory`
-    case $multi_os_directory in
-      .) ;; # Avoid trailing /.
-      ../*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
-    esac
-  fi
-  AC_SUBST(toolexecdir)
+GCC_WITH_TOOLEXECLIBDIR
+
+if test -n "$with_cross_host" &&
+   test x"$with_cross_host" != x"no"; then
+  toolexecdir='$(exec_prefix)/$(target_alias)'
+  case ${with_toolexeclibdir} in
+    no)
+      toolexeclibdir='$(toolexecdir)/lib'
+      ;;
+    *)
+      toolexeclibdir=${with_toolexeclibdir}
+      ;;
+  esac
 else
-  toolexeclibdir='${libdir}'
+  toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
+  toolexeclibdir='$(libdir)'
 fi
+multi_os_directory=`$CC -print-multi-os-directory`
+case $multi_os_directory in
+  .) ;; # Avoid trailing /.
+  *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
+esac
+AC_SUBST(toolexecdir)
 AC_SUBST(toolexeclibdir)
 
+if test "${multilib}" = "yes"; then
+  multilib_arg="--enable-multilib"
+else
+  multilib_arg=
+fi
+
 # Check linker support.
 LIBFFI_ENABLE_SYMVERS
 
+# Determine what GCC version number to use in filesystem paths.
+GCC_BASE_VER
+
 AC_CONFIG_COMMANDS(include, [test -d include || mkdir include])
 AC_CONFIG_COMMANDS(src, [
 test -d src || mkdir src
 test -d src/$TARGETDIR || mkdir src/$TARGETDIR
 ], [TARGETDIR="$TARGETDIR"])
 
-AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile doc/Makefile libffi.pc)
+AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile libffi.pc)
+
+AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h)
 
 AC_OUTPUT
-
-# Copy this file instead of using AC_CONFIG_LINK in order to support
-# compiling with MSVC, which won't understand cygwin style symlinks.
-cp ${srcdir}/src/$TARGETDIR/ffitarget.h include/ffitarget.h

libffi/fficonfig.h.in

@@ -0,0 +1,227 @@
+/* fficonfig.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define if building universal (internal helper macro) */
+#undef AC_APPLE_UNIVERSAL_BUILD
+
+/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
+   systems. This function is required for `alloca.c' support on those systems.
+   */
+#undef CRAY_STACKSEG_END
+
+/* Define to 1 if using `alloca.c'. */
+#undef C_ALLOCA
+
+/* 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 if you want statically defined trampolines */
+#undef FFI_EXEC_STATIC_TRAMP
+
+/* Cannot use PROT_EXEC on this target, so, we revert to alternative means */
+#undef FFI_EXEC_TRAMPOLINE_TABLE
+
+/* Define this if you want to enable pax emulated trampolines */
+#undef FFI_MMAP_EXEC_EMUTRAMP_PAX
+
+/* Cannot use malloc on this target, so, we revert to alternative means */
+#undef FFI_MMAP_EXEC_WRIT
+
+/* Define this if you do not want support for the raw API. */
+#undef FFI_NO_RAW_API
+
+/* Define this if 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
+
+/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
+   */
+#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
+
+/* Define if the compiler uses zarch features. */
+#undef HAVE_AS_S390_ZARCH
+
+/* Define if your assembler and linker support unaligned PC relative relocs.
+   */
+#undef HAVE_AS_SPARC_UA_PCREL
+
+/* Define if your assembler supports unwind section type. */
+#undef HAVE_AS_X86_64_UNWIND_SECTION_TYPE
+
+/* Define if your assembler supports PC relative relocs. */
+#undef HAVE_AS_X86_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
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define if you have the long double type and it is bigger than a double */
+#undef HAVE_LONG_DOUBLE
+
+/* Define if you support more than one size of the long double type */
+#undef HAVE_LONG_DOUBLE_VARIANT
+
+/* Define to 1 if you have the `memcpy' function. */
+#undef HAVE_MEMCPY
+
+/* Define to 1 if you have the `memfd_create' function. */
+#undef HAVE_MEMFD_CREATE
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `mkostemp' function. */
+#undef HAVE_MKOSTEMP
+
+/* Define to 1 if you have the `mkstemp' function. */
+#undef HAVE_MKSTEMP
+
+/* Define to 1 if you have the `mmap' function. */
+#undef HAVE_MMAP
+
+/* Define if mmap with MAP_ANON(YMOUS) works. */
+#undef HAVE_MMAP_ANON
+
+/* Define if mmap of /dev/zero works. */
+#undef HAVE_MMAP_DEV_ZERO
+
+/* Define if read-only mmap of a plain file works. */
+#undef HAVE_MMAP_FILE
+
+/* Define if your compiler supports pointer authentication. */
+#undef HAVE_PTRAUTH
+
+/* Define if .eh_frame sections should be read-only. */
+#undef HAVE_RO_EH_FRAME
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/memfd.h> header file. */
+#undef HAVE_SYS_MEMFD_H
+
+/* Define to 1 if you have the <sys/mman.h> header file. */
+#undef HAVE_SYS_MMAN_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if GNU symbol versioning is used for libatomic. */
+#undef LIBFFI_GNU_SYMBOL_VERSIONING
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#undef LT_OBJDIR
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* The size of `double', as computed by sizeof. */
+#undef SIZEOF_DOUBLE
+
+/* The size of `long double', as computed by sizeof. */
+#undef SIZEOF_LONG_DOUBLE
+
+/* The size of `size_t', as computed by sizeof. */
+#undef SIZEOF_SIZE_T
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at runtime.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
+#undef STACK_DIRECTION
+
+/* 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 WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel). */
+#if defined AC_APPLE_UNIVERSAL_BUILD
+# if defined __BIG_ENDIAN__
+#  define WORDS_BIGENDIAN 1
+# endif
+#else
+# ifndef WORDS_BIGENDIAN
+#  undef WORDS_BIGENDIAN
+# endif
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+#undef size_t
+
+
+#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
+#ifdef LIBFFI_ASM
+#ifdef __APPLE__
+#define FFI_HIDDEN(name) .private_extern name
+#else
+#define FFI_HIDDEN(name) .hidden name
+#endif
+#else
+#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
+#endif
+#else
+#ifdef LIBFFI_ASM
+#define FFI_HIDDEN(name)
+#else
+#define FFI_HIDDEN
+#endif
+#endif
+

libffi/include/Makefile.am

@@ -6,4 +6,8 @@ DISTCLEANFILES=ffitarget.h
 noinst_HEADERS=ffi_common.h ffi_cfi.h tramp.h
 EXTRA_DIST=ffi.h.in
 
-nodist_include_HEADERS = ffi.h ffitarget.h
+# Where generated headers like ffitarget.h get installed.
+gcc_version   := $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER)
+toollibffidir := $(libdir)/gcc/$(target_alias)/$(gcc_version)/include
+
+toollibffi_HEADERS = ffi.h ffitarget.h

libffi/include/Makefile.in

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+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+fi
+
+case $1 in
+  '')
+     echo "$0: No file.  Try '$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: mdate-sh [--help] [--version] FILE
+
+Pretty-print the modification day of FILE, in the format:
+1 January 1970
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "mdate-sh $scriptversion"
+    exit $?
+    ;;
+esac
+
+error ()
+{
+  echo "$0: $1" >&2
+  exit 1
+}
+
+
+# Prevent date giving response in another language.
+LANG=C
+export LANG
+LC_ALL=C
+export LC_ALL
+LC_TIME=C
+export LC_TIME
+
+# GNU ls changes its time format in response to the TIME_STYLE
+# variable.  Since we cannot assume 'unset' works, revert this
+# variable to its documented default.
+if test "${TIME_STYLE+set}" = set; then
+  TIME_STYLE=posix-long-iso
+  export TIME_STYLE
+fi
+
+save_arg1=$1
+
+# Find out how to get the extended ls output of a file or directory.
+if ls -L /dev/null 1>/dev/null 2>&1; then
+  ls_command='ls -L -l -d'
+else
+  ls_command='ls -l -d'
+fi
+# Avoid user/group names that might have spaces, when possible.
+if ls -n /dev/null 1>/dev/null 2>&1; then
+  ls_command="$ls_command -n"
+fi
+
+# A 'ls -l' line looks as follows on OS/2.
+#  drwxrwx---        0 Aug 11  2001 foo
+# This differs from Unix, which adds ownership information.
+#  drwxrwx---   2 root  root      4096 Aug 11  2001 foo
+#
+# To find the date, we split the line on spaces and iterate on words
+# until we find a month.  This cannot work with files whose owner is a
+# user named "Jan", or "Feb", etc.  However, it's unlikely that '/'
+# will be owned by a user whose name is a month.  So we first look at
+# the extended ls output of the root directory to decide how many
+# words should be skipped to get the date.
+
+# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
+set x`$ls_command /`
+
+# Find which argument is the month.
+month=
+command=
+until test $month
+do
+  test $# -gt 0 || error "failed parsing '$ls_command /' output"
+  shift
+  # Add another shift to the command.
+  command="$command shift;"
+  case $1 in
+    Jan) month=January; nummonth=1;;
+    Feb) month=February; nummonth=2;;
+    Mar) month=March; nummonth=3;;
+    Apr) month=April; nummonth=4;;
+    May) month=May; nummonth=5;;
+    Jun) month=June; nummonth=6;;
+    Jul) month=July; nummonth=7;;
+    Aug) month=August; nummonth=8;;
+    Sep) month=September; nummonth=9;;
+    Oct) month=October; nummonth=10;;
+    Nov) month=November; nummonth=11;;
+    Dec) month=December; nummonth=12;;
+  esac
+done
+
+test -n "$month" || error "failed parsing '$ls_command /' output"
+
+# Get the extended ls output of the file or directory.
+set dummy x`eval "$ls_command \"\\\$save_arg1\""`
+
+# Remove all preceding arguments
+eval $command
+
+# Because of the dummy argument above, month is in $2.
+#
+# On a POSIX system, we should have
+#
+# $# = 5
+# $1 = file size
+# $2 = month
+# $3 = day
+# $4 = year or time
+# $5 = filename
+#
+# On Darwin 7.7.0 and 7.6.0, we have
+#
+# $# = 4
+# $1 = day
+# $2 = month
+# $3 = year or time
+# $4 = filename
+
+# Get the month.
+case $2 in
+  Jan) month=January; nummonth=1;;
+  Feb) month=February; nummonth=2;;
+  Mar) month=March; nummonth=3;;
+  Apr) month=April; nummonth=4;;
+  May) month=May; nummonth=5;;
+  Jun) month=June; nummonth=6;;
+  Jul) month=July; nummonth=7;;
+  Aug) month=August; nummonth=8;;
+  Sep) month=September; nummonth=9;;
+  Oct) month=October; nummonth=10;;
+  Nov) month=November; nummonth=11;;
+  Dec) month=December; nummonth=12;;
+esac
+
+case $3 in
+  ???*) day=$1;;
+  *) day=$3; shift;;
+esac
+
+# Here we have to deal with the problem that the ls output gives either
+# the time of day or the year.
+case $3 in
+  *:*) set `date`; eval year=\$$#
+       case $2 in
+	 Jan) nummonthtod=1;;
+	 Feb) nummonthtod=2;;
+	 Mar) nummonthtod=3;;
+	 Apr) nummonthtod=4;;
+	 May) nummonthtod=5;;
+	 Jun) nummonthtod=6;;
+	 Jul) nummonthtod=7;;
+	 Aug) nummonthtod=8;;
+	 Sep) nummonthtod=9;;
+	 Oct) nummonthtod=10;;
+	 Nov) nummonthtod=11;;
+	 Dec) nummonthtod=12;;
+       esac
+       # For the first six month of the year the time notation can also
+       # be used for files modified in the last year.
+       if (expr $nummonth \> $nummonthtod) > /dev/null;
+       then
+	 year=`expr $year - 1`
+       fi;;
+  *) year=$3;;
+esac
+
+# The result.
+echo $day $month $year
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:

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+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
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+libffi.call/strlen4.c libffi.call/struct10.c libffi.call/many_mixed.c \
+libffi.call/float.c libffi.call/struct5.c libffi.call/return_fl3.c \
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+libffi.call/return_ll1.c libffi.call/return_dbl2.c \
+libffi.call/negint.c libffi.closures/nested_struct3.c \
+libffi.call/struct2.c libffi.call/struct3.c libffi.call/return_fl.c \
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+libffi.call/return_dbl.c libffi.call/float4.c libffi.call/many.c \
+libffi.call/strlen.c libffi.call/return_uc.c libffi.call/many_double.c \
+libffi.call/return_ll.c libffi.call/promotion.c \
+libffi.complex/complex_defs_longdouble.inc \
+libffi.complex/cls_align_complex_float.c \
+libffi.complex/cls_complex_va_float.c \
+libffi.complex/cls_complex_struct_float.c \
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+libffi.complex/return_complex1_double.c \
+libffi.complex/cls_complex_struct_longdouble.c \
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+libffi.complex/cls_complex_double.c \
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+libffi.bhaible/Makefile libffi.bhaible/README config/default.exp \
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+libffi.closures/cls_align_longdouble_split2.c \
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+libffi.closures/cls_64byte.c libffi.closures/cls_longdouble.c \
+libffi.closures/cls_ulong_va.c libffi.closures/cls_6_1_byte.c \
+libffi.closures/cls_align_uint16.c libffi.closures/closure_fn2.c \
+libffi.closures/unwindtest_ffi_call.cc \
+libffi.closures/cls_multi_ushortchar.c libffi.closures/cls_8byte.c \
+libffi.closures/ffitest.h libffi.closures/nested_struct8.c \
+libffi.closures/cls_pointer.c libffi.closures/nested_struct2.c \
+libffi.closures/nested_struct.c libffi.closures/cls_multi_schar.c \
+libffi.closures/cls_align_longdouble_split.c \
+libffi.closures/cls_uchar.c libffi.closures/nested_struct9.c \
+libffi.closures/cls_float.c libffi.closures/stret_medium2.c \
+libffi.closures/closure_loc_fn0.c libffi.closures/cls_6byte.c \
+libffi.closures/closure_simple.c libffi.closures/cls_align_double.c \
+libffi.closures/cls_multi_uchar.c libffi.closures/cls_4_1byte.c \
+libffi.closures/closure_fn3.c libffi.closures/cls_align_sint64.c \
+libffi.closures/nested_struct1.c libffi.closures/unwindtest.cc \
+libffi.closures/nested_struct5.c libffi.closures/cls_multi_ushort.c \
+libffi.closures/nested_struct11.c \
+libffi.closures/nested_struct12.c \
+libffi.closures/nested_struct13.c \
+libffi.closures/cls_multi_sshortchar.c \
+libffi.closures/cls_align_longdouble.c \
+libffi.closures/cls_dbls_struct.c \
+libffi.closures/cls_many_mixed_float_double.c \
+libffi.closures/stret_large.c libffi.closures/stret_large2.c \
+libffi.closures/cls_align_sint16.c libffi.closures/cls_2byte.c \
+libffi.closures/nested_struct4.c libffi.closures/problem1.c \
+libffi.closures/testclosure.c libffi.closures/nested_struct6.c \
+libffi.closures/cls_4byte.c libffi.closures/cls_24byte.c \
+libffi.closures/nested_struct10.c libffi.closures/cls_uint.c \
+libffi.closures/cls_12byte.c libffi.closures/cls_sint.c \
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+libffi.closures/err_bad_abi.c \
+libffi.closures/single_entry_structs1.c \
+libffi.closures/single_entry_structs2.c \
+libffi.closures/single_entry_structs3.c
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