diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index 0cda305c64867496ced0563306825462d2a4055d..4b75dd3735561cb59707203e35b5e76c1d5aa0f5 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-8db6b78110f84e22c409f334aeaefb80a8b39917
+a409e049737ec9a358a19233e017d957db3d6d2a
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
diff --git a/libgo/config.h.in b/libgo/config.h.in
index 25b8ab8f9eea715534290d5bf7440d33709ec9e6..2c3c7469675fdc9de2045c1999aca3be4ea7c5f1 100644
--- a/libgo/config.h.in
+++ b/libgo/config.h.in
@@ -70,6 +70,9 @@
/* Define to 1 if you have the `fchownat' function. */
#undef HAVE_FCHOWNAT
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
/* Define to 1 if you have the `futimesat' function. */
#undef HAVE_FUTIMESAT
diff --git a/libgo/configure b/libgo/configure
index ffe17c9be55db14336293f3e3ac9bfdcef6d7b66..b7ff9b32867f60aa5c396fcb770f0425db94d100 100755
--- a/libgo/configure
+++ b/libgo/configure
@@ -15249,7 +15249,7 @@ $as_echo "#define HAVE_GETIPINFO 1" >>confdefs.h
fi
-for ac_header in port.h sched.h semaphore.h sys/file.h sys/mman.h syscall.h sys/epoll.h sys/event.h sys/inotify.h sys/ptrace.h sys/syscall.h sys/sysctl.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/bpf.h net/if.h net/if_arp.h net/route.h netpacket/packet.h sys/prctl.h sys/mount.h sys/vfs.h sys/statfs.h sys/timex.h sys/sysinfo.h utime.h linux/ether.h linux/fs.h linux/ptrace.h linux/reboot.h netinet/in_syst.h netinet/ip.h netinet/ip_mroute.h netinet/if_ether.h lwp.h
+for ac_header in fcntl.h port.h sched.h semaphore.h sys/file.h sys/mman.h syscall.h sys/epoll.h sys/event.h sys/inotify.h sys/ptrace.h sys/syscall.h sys/sysctl.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/bpf.h net/if.h net/if_arp.h net/route.h netpacket/packet.h sys/prctl.h sys/mount.h sys/vfs.h sys/statfs.h sys/timex.h sys/sysinfo.h utime.h linux/ether.h linux/fs.h linux/ptrace.h linux/reboot.h netinet/in_syst.h netinet/ip.h netinet/ip_mroute.h netinet/if_ether.h lwp.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -15546,7 +15546,11 @@ _ACEOF
fi
-ac_fn_c_check_type "$LINENO" "loff_t" "ac_cv_type_loff_t" "$ac_includes_default"
+
+CFLAGS_hold="$CFLAGS"
+CFLAGS="$OSCFLAGS $CFLAGS"
+ac_fn_c_check_type "$LINENO" "loff_t" "ac_cv_type_loff_t" "#include <fcntl.h>
+"
if test "x$ac_cv_type_loff_t" = xyes; then :
cat >>confdefs.h <<_ACEOF
@@ -15556,6 +15560,7 @@ _ACEOF
fi
+CFLAGS="$CFLAGS_hold"
LIBS_hold="$LIBS"
LIBS="$LIBS -lm"
diff --git a/libgo/configure.ac b/libgo/configure.ac
index 7e2b98ba67c83d5cb5179edb68a8deb20331b39c..bac58b07b41c02bfcbe4fe7056a75749ce609950 100644
--- a/libgo/configure.ac
+++ b/libgo/configure.ac
@@ -579,7 +579,7 @@ AC_C_BIGENDIAN
GCC_CHECK_UNWIND_GETIPINFO
-AC_CHECK_HEADERS(port.h sched.h semaphore.h sys/file.h sys/mman.h syscall.h sys/epoll.h sys/event.h sys/inotify.h sys/ptrace.h sys/syscall.h sys/sysctl.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/bpf.h net/if.h net/if_arp.h net/route.h netpacket/packet.h sys/prctl.h sys/mount.h sys/vfs.h sys/statfs.h sys/timex.h sys/sysinfo.h utime.h linux/ether.h linux/fs.h linux/ptrace.h linux/reboot.h netinet/in_syst.h netinet/ip.h netinet/ip_mroute.h netinet/if_ether.h lwp.h)
+AC_CHECK_HEADERS(fcntl.h port.h sched.h semaphore.h sys/file.h sys/mman.h syscall.h sys/epoll.h sys/event.h sys/inotify.h sys/ptrace.h sys/syscall.h sys/sysctl.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/bpf.h net/if.h net/if_arp.h net/route.h netpacket/packet.h sys/prctl.h sys/mount.h sys/vfs.h sys/statfs.h sys/timex.h sys/sysinfo.h utime.h linux/ether.h linux/fs.h linux/ptrace.h linux/reboot.h netinet/in_syst.h netinet/ip.h netinet/ip_mroute.h netinet/if_ether.h lwp.h)
AC_CHECK_HEADERS([netinet/icmp6.h], [], [],
[#include <netinet/in.h>
@@ -601,7 +601,11 @@ AC_STRUCT_DIRENT_D_TYPE
AC_CHECK_FUNCS(accept4 dup3 epoll_create1 faccessat fallocate fchmodat fchownat futimesat getxattr inotify_add_watch inotify_init inotify_init1 inotify_rm_watch listxattr mkdirat mknodat open64 openat pipe2 removexattr renameat setxattr sync_file_range splice syscall tee unlinkat unshare utimensat)
AC_TYPE_OFF_T
-AC_CHECK_TYPES([loff_t])
+
+CFLAGS_hold="$CFLAGS"
+CFLAGS="$OSCFLAGS $CFLAGS"
+AC_CHECK_TYPES([loff_t], [], [], [[#include <fcntl.h>]])
+CFLAGS="$CFLAGS_hold"
LIBS_hold="$LIBS"
LIBS="$LIBS -lm"
diff --git a/libgo/go/syscall/libcall_linux.go b/libgo/go/syscall/libcall_linux.go
index 7bec2fbaeb50339009d6f2734b461d9ea343a6af..19ae4393cf138eb30b8568381fc0b20bc63b937d 100644
--- a/libgo/go/syscall/libcall_linux.go
+++ b/libgo/go/syscall/libcall_linux.go
@@ -210,20 +210,20 @@ func Gettid() (tid int) {
//sys Setxattr(path string, attr string, data []byte, flags int) (err error)
//setxattr(path *byte, name *byte, value *byte, size Size_t, flags _C_int) _C_int
-//sys splice(rfd int, roff *_loff_t, wfd int, woff *_loff_t, len int, flags int) (n int64, err error)
-//splice(rfd _C_int, roff *_loff_t, wfd _C_int, woff *_loff_t, len Size_t, flags _C_uint) Ssize_t
+//sys splice(rfd int, roff *_libgo_loff_t_type, wfd int, woff *_libgo_loff_t_type, len int, flags int) (n int64, err error)
+//splice(rfd _C_int, roff *_libgo_loff_t_type, wfd _C_int, woff *_libgo_loff_t_type, len Size_t, flags _C_uint) Ssize_t
func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) {
- var lroff _loff_t
- var plroff *_loff_t
+ var lroff _libgo_loff_t_type
+ var plroff *_libgo_loff_t_type
if roff != nil {
- lroff = _loff_t(*roff)
+ lroff = _libgo_loff_t_type(*roff)
plroff = &lroff
}
- var lwoff _loff_t
- var plwoff *_loff_t
+ var lwoff _libgo_loff_t_type
+ var plwoff *_libgo_loff_t_type
if woff != nil {
- lwoff = _loff_t(*woff)
+ lwoff = _libgo_loff_t_type(*woff)
plwoff = &lwoff
}
n, err = splice(rfd, plroff, wfd, plwoff, len, flags)
diff --git a/libgo/mksysinfo.sh b/libgo/mksysinfo.sh
index 0c52ea5d71a9032eb7bbf596b43db906fadc85ff..5aa309155c33b8462c437aca313859815769d5d8 100755
--- a/libgo/mksysinfo.sh
+++ b/libgo/mksysinfo.sh
@@ -403,11 +403,7 @@ fi
# Some basic types.
echo 'type Size_t _size_t' >> ${OUT}
echo "type Ssize_t _ssize_t" >> ${OUT}
-if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
- echo "type Offset_t _off64_t" >> ${OUT}
-else
- echo "type Offset_t _off_t" >> ${OUT}
-fi
+echo "type Offset_t _libgo_off_t_type" >> ${OUT}
echo "type Mode_t _mode_t" >> ${OUT}
echo "type Pid_t _pid_t" >> ${OUT}
echo "type Uid_t _uid_t" >> ${OUT}
diff --git a/libgo/sysinfo.c b/libgo/sysinfo.c
index 8ce061e2f5fdeb7389dcaf3dc0047c905d8434cf..a4259c02ded4d618ae499e0ca133d643835cb473 100644
--- a/libgo/sysinfo.c
+++ b/libgo/sysinfo.c
@@ -357,6 +357,18 @@ enum {
};
#endif
+#if defined(HAVE_LOFF_T)
+// loff_t can be defined as a macro; for -fgo-dump-spec make sure we
+// see a typedef.
+typedef loff_t libgo_loff_t_type;
+#endif
+
+#if defined(HAVE_OFF64_T)
+typedef off64_t libgo_off_t_type;
+#else
+typedef off_t libgo_off_t_type;
+#endif
+
// The following section introduces explicit references to types and
// constants of interest to support bootstrapping libgo using a
// compiler that doesn't support -fdump-go-spec (e.g., clang), via
@@ -537,7 +549,8 @@ SREF(timex);
// From sys/types.h
TREF(pid_t);
TREF(off_t);
-TREF(loff_t);
+TREF(libgo_loff_t_type);
+TREF(libgo_off_t_type);
TREF(size_t);
TREF(ssize_t);
TREF(mode_t);