5.3.0-cygwin-go.patch

--- origsrc/gcc-5.3.0/configure	2015-05-03 12:29:57.000000000 -0500
+++ src/gcc-5.3.0/configure	2016-02-02 15:11:52.497769100 -0600
@@ -3525,7 +3525,7 @@ esac
 # Disable the go frontend on systems where it is known to not work. Please keep
 # this in sync with contrib/config-list.mk.
 case "${target}" in
-*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
+*-*-darwin* | *-*-mingw* | *-*-aix*)
     unsupported_languages="$unsupported_languages go"
     ;;
 esac
@@ -3538,7 +3538,7 @@ if test x$enable_libgo = x; then
 	# PR 46986
 	noconfigdirs="$noconfigdirs target-libgo"
 	;;
-    *-*-cygwin* | *-*-mingw*)
+    *-*-mingw*)
 	noconfigdirs="$noconfigdirs target-libgo"
 	;;
     *-*-aix*)
--- origsrc/gcc-5.3.0/configure.ac	2015-05-03 12:29:57.000000000 -0500
+++ src/gcc-5.3.0/configure.ac	2016-02-02 15:11:49.090336400 -0600
@@ -872,7 +872,7 @@ esac
 # Disable the go frontend on systems where it is known to not work. Please keep
 # this in sync with contrib/config-list.mk.
 case "${target}" in
-*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
+*-*-darwin* | *-*-mingw* | *-*-aix*)
     unsupported_languages="$unsupported_languages go"
     ;;
 esac
@@ -885,7 +885,7 @@ if test x$enable_libgo = x; then
 	# PR 46986
 	noconfigdirs="$noconfigdirs target-libgo"
 	;;
-    *-*-cygwin* | *-*-mingw*)
+    *-*-mingw*)
 	noconfigdirs="$noconfigdirs target-libgo"
 	;;
     *-*-aix*)
--- origsrc/gcc-5.3.0/gcc/go/gofrontend/import.cc	2015-01-30 09:57:59.000000000 -0600
+++ src/gcc-5.3.0/gcc/go/gofrontend/import.cc	2016-02-02 14:37:52.829264100 -0600
@@ -170,6 +170,14 @@ Import::try_suffixes(std::string* pfilen
 
   const char* basename = lbasename(pfilename->c_str());
   size_t basename_pos = basename - pfilename->c_str();
+  filename = pfilename->substr(0, basename_pos) + "cyg" + basename + ".dll";
+  fd = open(filename.c_str(), O_RDONLY | O_BINARY);
+  if (fd >= 0)
+    {
+      *pfilename = filename;
+      return fd;
+    }
+
   filename = pfilename->substr(0, basename_pos) + "lib" + basename + ".so";
   fd = open(filename.c_str(), O_RDONLY | O_BINARY);
   if (fd >= 0)
--- origsrc/gcc-5.3.0/libbacktrace/configure	2015-01-23 20:46:22.000000000 -0600
+++ src/gcc-5.3.0/libbacktrace/configure	2016-02-02 14:38:15.855688100 -0600
@@ -9101,7 +9101,7 @@ _LT_EOF
 	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
 	  export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
 	else
-	  export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	  export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
 	fi
 	aix_use_runtimelinking=no
 
@@ -11700,12 +11700,12 @@ fi
 # complicate dependencies.  Instead, we just compile with -fPIC.
 PIC_FLAG=
 if test -n "${with_target_subdir}"; then
-  PIC_FLAG=-fPIC
+  :
 fi
 # Similarly, use -fPIC with --enable-host-shared:
 # Check whether --enable-host-shared was given.
 if test "${enable_host_shared+set}" = set; then :
-  enableval=$enable_host_shared; PIC_FLAG=-fPIC
+  enableval=$enable_host_shared;
 fi
 
 
--- origsrc/gcc-5.3.0/libbacktrace/configure.ac	2015-01-23 20:46:22.000000000 -0600
+++ src/gcc-5.3.0/libbacktrace/configure.ac	2016-02-02 14:37:52.843265800 -0600
@@ -166,13 +166,13 @@ fi
 # complicate dependencies.  Instead, we just compile with -fPIC.
 PIC_FLAG=
 if test -n "${with_target_subdir}"; then
-  PIC_FLAG=-fPIC
+  :
 fi
 # Similarly, use -fPIC with --enable-host-shared:
 AC_ARG_ENABLE(host-shared,
 [AS_HELP_STRING([--enable-host-shared],
 		[build host code as shared libraries])],
-[PIC_FLAG=-fPIC], [])
+[], [])
 AC_SUBST(PIC_FLAG)
 
 # Test for __sync support.
--- origsrc/gcc-5.3.0/libgo/Makefile.am	2015-09-17 07:46:06.000000000 -0500
+++ src/gcc-5.3.0/libgo/Makefile.am	2016-02-02 16:47:11.853035000 -0600
@@ -413,6 +413,9 @@ else
 if LIBGO_IS_NETBSD
 runtime_getncpu_file = runtime/getncpu-bsd.c
 else
+if LIBGO_IS_CYGWIN
+runtime_getncpu_file = runtime/getncpu-solaris.c
+else
 runtime_getncpu_file = runtime/getncpu-none.c
 endif
 endif
@@ -420,6 +423,7 @@ endif
 endif
 endif
 endif
+endif
 
 if LIBGO_IS_LINUX
 runtime_netpoll_files = runtime/netpoll_epoll.c
@@ -427,9 +431,13 @@ else
 if LIBGO_IS_SOLARIS
 runtime_netpoll_files = runtime/netpoll_select.c
 else
+if LIBGO_IS_CYGWIN
+runtime_netpoll_files = runtime/netpoll_select.c
+else
 runtime_netpoll_files = runtime/netpoll_kqueue.c
 endif
 endif
+endif
 
 runtime_files = \
 	runtime/go-append.c \
@@ -712,6 +720,12 @@ go_net_sock_file = go/net/sock_bsd.go
 go_net_sockopt_file = go/net/sockopt_bsd.go
 go_net_sockoptip_file = go/net/sockoptip_bsd.go go/net/sockoptip_posix.go
 else
+if LIBGO_IS_CYGWIN
+go_net_cgo_file = go/net/cgo_linux.go
+go_net_sock_file = go/net/sock_stub.go
+go_net_sockopt_file = go/net/sockopt_bsd.go
+go_net_sockoptip_file = go/net/sockoptip_bsd.go go/net/sockoptip_posix.go
+else
 go_net_cgo_file = go/net/cgo_bsd.go
 go_net_sock_file = go/net/sock_bsd.go
 go_net_sockopt_file = go/net/sockopt_bsd.go
@@ -721,6 +735,7 @@ endif
 endif
 endif
 endif
+endif
 
 if LIBGO_IS_LINUX
 go_net_sendfile_file = go/net/sendfile_linux.go
@@ -2048,13 +2063,13 @@ libgobegin_llgo_a_SOURCES = \
 	runtime/go-main.c
 
 # Use -fPIC for libgobegin so that it can be put in a PIE.
-libgobegin_a_CFLAGS = $(AM_CFLAGS) -fPIC
-libgobegin_llgo_a_CFLAGS = $(AM_CFLAGS) -fPIC
+libgobegin_a_CFLAGS = $(AM_CFLAGS) # -fPIC
+libgobegin_llgo_a_CFLAGS = $(AM_CFLAGS) # -fPIC
 
 libgolibbegin_a_SOURCES = \
 	runtime/go-libmain.c
 
-libgolibbegin_a_CFLAGS = $(AM_CFLAGS) -fPIC
+libgolibbegin_a_CFLAGS = $(AM_CFLAGS) # -fPIC
 
 libnetgo_a_SOURCES = $(go_netgo_files)
 libnetgo_a_LIBADD = netgo.o
@@ -2087,7 +2102,7 @@ BUILDPACKAGE = \
 BUILDNETGO = \
 	$(MKDIR_P) $(@D); \
 	files=`echo $^ | sed -e 's/[^ ]*\.gox//g'`; \
-	$(GOCOMPILE) -I . -c -fPIC -fgo-pkgpath=net -o $@ $$files
+	$(GOCOMPILE) -I . -c -fgo-pkgpath=net -o $@ $$files
 
 GOTESTFLAGS =
 GOBENCH = 
@@ -3432,7 +3447,7 @@ internal/syscall/check: $(CHECK_DEPS)
 # How to build a .gox file from a .lo file.
 BUILDGOX = \
 	f=`echo $< | sed -e 's/.lo$$/.o/'`; \
-	$(OBJCOPY) -j .go_export $$f $@.tmp && mv -f $@.tmp $@
+	$(OBJCOPY) -O elf64-x86-64 -j .go_export $$f $@.tmp && mv -f $@.tmp $@
 
 bufio.gox: bufio.lo
 	$(BUILDGOX)
--- origsrc/gcc-5.3.0/libgo/Makefile.in	2015-09-17 07:46:06.000000000 -0500
+++ src/gcc-5.3.0/libgo/Makefile.in	2016-02-02 16:29:13.543607000 -0600
@@ -223,11 +223,13 @@ libgo_llgo_la_DEPENDENCIES = $(am__DEPEN
 @LIBGO_IS_LINUX_TRUE@am__objects_4 = lock_futex.lo thread-linux.lo
 @HAVE_SYS_MMAN_H_FALSE@am__objects_5 = mem_posix_memalign.lo
 @HAVE_SYS_MMAN_H_TRUE@am__objects_5 = mem.lo
-@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_6 = netpoll_kqueue.lo
+@LIBGO_IS_CYGWIN_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_6 = netpoll_kqueue.lo
+@LIBGO_IS_CYGWIN_TRUE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_6 = netpoll_select.lo
 @LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@am__objects_6 = netpoll_select.lo
 @LIBGO_IS_LINUX_TRUE@am__objects_6 = netpoll_epoll.lo
 @LIBGO_IS_RTEMS_TRUE@am__objects_7 = rtems-task-variable-add.lo
-@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_8 = getncpu-none.lo
+@LIBGO_IS_CYGWIN_FALSE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_8 = getncpu-none.lo
+@LIBGO_IS_CYGWIN_TRUE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_8 = getncpu-solaris.lo
 @LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_TRUE@@LIBGO_IS_SOLARIS_FALSE@am__objects_8 = getncpu-bsd.lo
 @LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_8 = getncpu-bsd.lo
 @LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@am__objects_8 = getncpu-solaris.lo
@@ -808,14 +810,16 @@ toolexeclibgounicode_DATA = \
 @LIBGO_IS_RTEMS_TRUE@rtems_task_variable_add_file = runtime/rtems-task-variable-add.c
 @LIBGO_IS_LINUX_FALSE@runtime_lock_files = runtime/lock_sema.c runtime/thread-sema.c
 @LIBGO_IS_LINUX_TRUE@runtime_lock_files = runtime/lock_futex.c runtime/thread-linux.c
-@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-none.c
+@LIBGO_IS_CYGWIN_FALSE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-none.c
+@LIBGO_IS_CYGWIN_TRUE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-solaris.c
 @LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_TRUE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-bsd.c
 @LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-bsd.c
 @LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@runtime_getncpu_file = runtime/getncpu-solaris.c
 @LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_IRIX_TRUE@@LIBGO_IS_LINUX_FALSE@runtime_getncpu_file = runtime/getncpu-irix.c
 @LIBGO_IS_DARWIN_TRUE@@LIBGO_IS_LINUX_FALSE@runtime_getncpu_file = runtime/getncpu-bsd.c
 @LIBGO_IS_LINUX_TRUE@runtime_getncpu_file = runtime/getncpu-linux.c
-@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_netpoll_files = runtime/netpoll_kqueue.c
+@LIBGO_IS_CYGWIN_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_netpoll_files = runtime/netpoll_kqueue.c
+@LIBGO_IS_CYGWIN_TRUE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_netpoll_files = runtime/netpoll_select.c
 @LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@runtime_netpoll_files = runtime/netpoll_select.c
 @LIBGO_IS_LINUX_TRUE@runtime_netpoll_files = runtime/netpoll_epoll.c
 runtime_files = \
@@ -1028,25 +1032,29 @@ go_mime_files = \
 	go/mime/type.go \
 	go/mime/type_unix.go
 
-@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_cgo_file = go/net/cgo_bsd.go
+@LIBGO_IS_CYGWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_cgo_file = go/net/cgo_bsd.go
+@LIBGO_IS_CYGWIN_TRUE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_cgo_file = go/net/cgo_linux.go
 @LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_TRUE@@LIBGO_IS_SOLARIS_FALSE@go_net_cgo_file = go/net/cgo_netbsd.go
 @LIBGO_IS_FREEBSD_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_cgo_file = go/net/cgo_bsd.go
 @LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@go_net_cgo_file = go/net/cgo_linux.go
 @LIBGO_IS_IRIX_TRUE@@LIBGO_IS_LINUX_FALSE@go_net_cgo_file = go/net/cgo_linux.go
 @LIBGO_IS_LINUX_TRUE@go_net_cgo_file = go/net/cgo_linux.go
-@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sock_file = go/net/sock_bsd.go
+@LIBGO_IS_CYGWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sock_file = go/net/sock_bsd.go
+@LIBGO_IS_CYGWIN_TRUE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sock_file = go/net/sock_stub.go
 @LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_TRUE@@LIBGO_IS_SOLARIS_FALSE@go_net_sock_file = go/net/sock_bsd.go
 @LIBGO_IS_FREEBSD_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sock_file = go/net/sock_bsd.go
 @LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@go_net_sock_file = go/net/sock_stub.go
 @LIBGO_IS_IRIX_TRUE@@LIBGO_IS_LINUX_FALSE@go_net_sock_file = go/net/sock_linux.go
 @LIBGO_IS_LINUX_TRUE@go_net_sock_file = go/net/sock_linux.go
-@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockopt_file = go/net/sockopt_bsd.go
+@LIBGO_IS_CYGWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockopt_file = go/net/sockopt_bsd.go
+@LIBGO_IS_CYGWIN_TRUE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockopt_file = go/net/sockopt_bsd.go
 @LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_TRUE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockopt_file = go/net/sockopt_bsd.go
 @LIBGO_IS_FREEBSD_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockopt_file = go/net/sockopt_bsd.go
 @LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@go_net_sockopt_file = go/net/sockopt_solaris.go
 @LIBGO_IS_IRIX_TRUE@@LIBGO_IS_LINUX_FALSE@go_net_sockopt_file = go/net/sockopt_linux.go
 @LIBGO_IS_LINUX_TRUE@go_net_sockopt_file = go/net/sockopt_linux.go
-@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockoptip_file = go/net/sockoptip_bsd.go go/net/sockoptip_posix.go
+@LIBGO_IS_CYGWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockoptip_file = go/net/sockoptip_bsd.go go/net/sockoptip_posix.go
+@LIBGO_IS_CYGWIN_TRUE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockoptip_file = go/net/sockoptip_bsd.go go/net/sockoptip_posix.go
 @LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_TRUE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockoptip_file = go/net/sockoptip_bsd.go go/net/sockoptip_posix.go
 @LIBGO_IS_FREEBSD_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@go_net_sockoptip_file = go/net/sockoptip_bsd.go go/net/sockoptip_posix.go
 @LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@go_net_sockoptip_file = go/net/sockoptip_stub.go
@@ -2138,12 +2146,12 @@ libgobegin_llgo_a_SOURCES = \
 
 
 # Use -fPIC for libgobegin so that it can be put in a PIE.
-libgobegin_a_CFLAGS = $(AM_CFLAGS) -fPIC
-libgobegin_llgo_a_CFLAGS = $(AM_CFLAGS) -fPIC
+libgobegin_a_CFLAGS = $(AM_CFLAGS) # -fPIC
+libgobegin_llgo_a_CFLAGS = $(AM_CFLAGS) # -fPIC
 libgolibbegin_a_SOURCES = \
 	runtime/go-libmain.c
 
-libgolibbegin_a_CFLAGS = $(AM_CFLAGS) -fPIC
+libgolibbegin_a_CFLAGS = $(AM_CFLAGS) # -fPIC
 libnetgo_a_SOURCES = $(go_netgo_files)
 libnetgo_a_LIBADD = netgo.o
 LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
@@ -2174,7 +2182,7 @@ BUILDPACKAGE = \
 BUILDNETGO = \
 	$(MKDIR_P) $(@D); \
 	files=`echo $^ | sed -e 's/[^ ]*\.gox//g'`; \
-	$(GOCOMPILE) -I . -c -fPIC -fgo-pkgpath=net -o $@ $$files
+	$(GOCOMPILE) -I . -c -fgo-pkgpath=net -o $@ $$files
 
 GOTESTFLAGS = 
 GOBENCH = 
@@ -3341,13 +3349,6 @@ getncpu-none.lo: runtime/getncpu-none.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o getncpu-none.lo `test -f 'runtime/getncpu-none.c' || echo '$(srcdir)/'`runtime/getncpu-none.c
 
-getncpu-bsd.lo: runtime/getncpu-bsd.c
-@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT getncpu-bsd.lo -MD -MP -MF $(DEPDIR)/getncpu-bsd.Tpo -c -o getncpu-bsd.lo `test -f 'runtime/getncpu-bsd.c' || echo '$(srcdir)/'`runtime/getncpu-bsd.c
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/getncpu-bsd.Tpo $(DEPDIR)/getncpu-bsd.Plo
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='runtime/getncpu-bsd.c' object='getncpu-bsd.lo' libtool=yes @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o getncpu-bsd.lo `test -f 'runtime/getncpu-bsd.c' || echo '$(srcdir)/'`runtime/getncpu-bsd.c
-
 getncpu-solaris.lo: runtime/getncpu-solaris.c
 @am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT getncpu-solaris.lo -MD -MP -MF $(DEPDIR)/getncpu-solaris.Tpo -c -o getncpu-solaris.lo `test -f 'runtime/getncpu-solaris.c' || echo '$(srcdir)/'`runtime/getncpu-solaris.c
 @am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/getncpu-solaris.Tpo $(DEPDIR)/getncpu-solaris.Plo
@@ -3355,6 +3356,13 @@ getncpu-solaris.lo: runtime/getncpu-sola
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o getncpu-solaris.lo `test -f 'runtime/getncpu-solaris.c' || echo '$(srcdir)/'`runtime/getncpu-solaris.c
 
+getncpu-bsd.lo: runtime/getncpu-bsd.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT getncpu-bsd.lo -MD -MP -MF $(DEPDIR)/getncpu-bsd.Tpo -c -o getncpu-bsd.lo `test -f 'runtime/getncpu-bsd.c' || echo '$(srcdir)/'`runtime/getncpu-bsd.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/getncpu-bsd.Tpo $(DEPDIR)/getncpu-bsd.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='runtime/getncpu-bsd.c' object='getncpu-bsd.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o getncpu-bsd.lo `test -f 'runtime/getncpu-bsd.c' || echo '$(srcdir)/'`runtime/getncpu-bsd.c
+
 getncpu-irix.lo: runtime/getncpu-irix.c
 @am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT getncpu-irix.lo -MD -MP -MF $(DEPDIR)/getncpu-irix.Tpo -c -o getncpu-irix.lo `test -f 'runtime/getncpu-irix.c' || echo '$(srcdir)/'`runtime/getncpu-irix.c
 @am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/getncpu-irix.Tpo $(DEPDIR)/getncpu-irix.Plo
--- origsrc/gcc-5.3.0/libgo/configure	2015-09-17 07:46:06.000000000 -0500
+++ src/gcc-5.3.0/libgo/configure	2016-02-02 14:38:28.184753600 -0600
@@ -685,6 +685,8 @@ LIBGO_IS_FREEBSD_FALSE
 LIBGO_IS_FREEBSD_TRUE
 LIBGO_IS_DARWIN_FALSE
 LIBGO_IS_DARWIN_TRUE
+LIBGO_IS_CYGWIN_FALSE
+LIBGO_IS_CYGWIN_TRUE
 go_include
 LIBATOMIC
 LIBFFIINCS
@@ -11126,7 +11128,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11129 "configure"
+#line 11131 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11232,7 +11234,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11235 "configure"
+#line 11237 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13529,6 +13531,7 @@ is_rtems=no
 is_solaris=no
 GOOS=unknown
 case ${host} in
+  *-*-cygwin*)   is_cygwin=yes;  GOOS=cygwin ;;
   *-*-darwin*)   is_darwin=yes;  GOOS=darwin ;;
   *-*-freebsd*)  is_freebsd=yes; GOOS=freebsd ;;
   *-*-irix6*)    is_irix=yes;    GOOS=irix ;;
@@ -13539,6 +13542,14 @@ case ${host} in
   *-*-rtems*)    is_rtems=yes;   GOOS=rtems ;;
   *-*-solaris2*) is_solaris=yes; GOOS=solaris ;;
 esac
+ if test $is_cygwin = yes; then
+  LIBGO_IS_CYGWIN_TRUE=
+  LIBGO_IS_CYGWIN_FALSE='#'
+else
+  LIBGO_IS_CYGWIN_TRUE='#'
+  LIBGO_IS_CYGWIN_FALSE=
+fi
+
  if test $is_darwin = yes; then
   LIBGO_IS_DARWIN_TRUE=
   LIBGO_IS_DARWIN_FALSE='#'
@@ -15659,6 +15670,10 @@ if test -z "${MAINTAINER_MODE_TRUE}" &&
   as_fn_error "conditional \"MAINTAINER_MODE\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${LIBGO_IS_CYGWIN_TRUE}" && test -z "${LIBGO_IS_CYGWIN_FALSE}"; then
+  as_fn_error "conditional \"LIBGO_IS_CYGWIN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${LIBGO_IS_DARWIN_TRUE}" && test -z "${LIBGO_IS_DARWIN_FALSE}"; then
   as_fn_error "conditional \"LIBGO_IS_DARWIN\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
--- origsrc/gcc-5.3.0/libgo/configure.ac	2015-09-17 07:46:06.000000000 -0500
+++ src/gcc-5.3.0/libgo/configure.ac	2016-02-02 14:37:52.870769300 -0600
@@ -153,6 +153,7 @@ is_rtems=no
 is_solaris=no
 GOOS=unknown
 case ${host} in
+  *-*-cygwin*)   is_cygwin=yes;  GOOS=cygwin ;;
   *-*-darwin*)   is_darwin=yes;  GOOS=darwin ;;
   *-*-freebsd*)  is_freebsd=yes; GOOS=freebsd ;;
   *-*-irix6*)    is_irix=yes;    GOOS=irix ;;
@@ -163,6 +164,7 @@ case ${host} in
   *-*-rtems*)    is_rtems=yes;   GOOS=rtems ;;
   *-*-solaris2*) is_solaris=yes; GOOS=solaris ;;
 esac
+AM_CONDITIONAL(LIBGO_IS_CYGWIN, test $is_cygwin = yes)
 AM_CONDITIONAL(LIBGO_IS_DARWIN, test $is_darwin = yes)
 AM_CONDITIONAL(LIBGO_IS_FREEBSD, test $is_freebsd = yes)
 AM_CONDITIONAL(LIBGO_IS_IRIX, test $is_irix = yes)
--- origsrc/gcc-5.3.0/libgo/testsuite/Makefile.in	2014-05-29 15:22:27.000000000 -0500
+++ src/gcc-5.3.0/libgo/testsuite/Makefile.in	2016-02-02 16:29:13.036542700 -0600
@@ -1,9 +1,9 @@
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# Makefile.in generated by automake 1.11.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
-# Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -15,6 +15,23 @@
 
 @SET_MAKE@
 VPATH = @srcdir@
+am__make_dryrun = \
+  { \
+    am__dry=no; \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        echo 'am--echo: ; @echo "AM"  OK' | $(MAKE) -f - 2>/dev/null \
+          | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+      *) \
+        for am__flg in $$MAKEFLAGS; do \
+          case $$am__flg in \
+            *=*|--*) ;; \
+            *n*) am__dry=yes; break;; \
+          esac; \
+        done;; \
+    esac; \
+    test $$am__dry = yes; \
+  }
 pkgdatadir = $(datadir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -54,6 +71,11 @@ CONFIG_HEADER = $(top_builddir)/config.h
 CONFIG_CLEAN_FILES =
 CONFIG_CLEAN_VPATH_FILES =
 SOURCES =
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
+    *) (install-info --version) >/dev/null 2>&1;; \
+  esac
 DEJATOOL = $(PACKAGE)
 RUNTESTDEFAULTFLAGS = --tool $$tool --srcdir $$srcdir
 ACLOCAL = @ACLOCAL@
@@ -270,7 +292,7 @@ CTAGS:
 
 
 check-DEJAGNU: site.exp
-	srcdir=`$(am__cd) $(srcdir) && pwd`; export srcdir; \
+	srcdir='$(srcdir)'; export srcdir; \
 	EXPECT=$(EXPECT); export EXPECT; \
 	runtest=$(RUNTEST); \
 	if $(SHELL) -c "$$runtest --version" > /dev/null 2>&1; then \
@@ -281,12 +303,12 @@ check-DEJAGNU: site.exp
 	else echo "WARNING: could not find \`runtest'" 1>&2; :;\
 	fi; \
 	exit $$exit_status
-site.exp: Makefile
+site.exp: Makefile $(EXTRA_DEJAGNU_SITE_CONFIG)
 	@echo 'Making a new site.exp file...'
 	@echo '## these variables are automatically generated by make ##' >site.tmp
 	@echo '# Do not edit here.  If you wish to override these values' >>site.tmp
 	@echo '# edit the last section' >>site.tmp
-	@echo 'set srcdir $(srcdir)' >>site.tmp
+	@echo 'set srcdir "$(srcdir)"' >>site.tmp
 	@echo "set objdir `pwd`" >>site.tmp
 	@echo 'set build_alias "$(build_alias)"' >>site.tmp
 	@echo 'set build_triplet $(build_triplet)' >>site.tmp
@@ -294,9 +316,16 @@ site.exp: Makefile
 	@echo 'set host_triplet $(host_triplet)' >>site.tmp
 	@echo 'set target_alias "$(target_alias)"' >>site.tmp
 	@echo 'set target_triplet $(target_triplet)' >>site.tmp
-	@echo '## All variables above are generated by configure. Do Not Edit ##' >>site.tmp
-	@test ! -f site.exp || \
-	  sed '1,/^## All variables above are.*##/ d' site.exp >> site.tmp
+	@list='$(EXTRA_DEJAGNU_SITE_CONFIG)'; for f in $$list; do \
+	  echo "## Begin content included from file $$f.  Do not modify. ##" \
+	   && cat `test -f "$$f" || echo '$(srcdir)/'`$$f \
+	   && echo "## End content included from file $$f. ##" \
+	   || exit 1; \
+	 done >> site.tmp
+	@echo "## End of auto-generated content; you can edit from here. ##" >> site.tmp
+	@if test -f site.exp; then \
+	   sed -e '1,/^## End of auto-generated content.*##/d' site.exp >> site.tmp; \
+	 fi
 	@-rm -f site.bak
 	@test ! -f site.exp || mv site.exp site.bak
 	@mv site.tmp site.exp
@@ -321,10 +350,15 @@ install-am: all-am
 
 installcheck: installcheck-am
 install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	  `test -z '$(STRIP)' || \
-	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
 mostlyclean-generic:
 
 clean-generic: