 @@ -14723,40 +14723,44 @@ fi
   # Some pre-release (but widely distributed) versions of liblzma
   # included a disabled version of lzma_stream_encoder_mt that
   # fools a naive AC_CHECK_LIB or AC_CHECK_FUNC, so we need
   # to do something more complex here:
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we have multithread support in lzma" >&5
 $as_echo_n "checking whether we have multithread support in lzma... " >&6; }
 if ${ac_cv_lzma_has_mt+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
       #include <lzma.h>
                        #if LZMA_VERSION < 50020000
                        #error unsupported
                        #endif
 int
 main ()
+{
 lzma_stream_encoder_mt(0, 0);
+  ;
   return 0;
+}
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lzma_has_mt=yes
 else
   ac_cv_lzma_has_mt=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lzma_has_mt" >&5
 $as_echo "$ac_cv_lzma_has_mt" >&6; }
   if test "x$ac_cv_lzma_has_mt" != xno; then
 $as_echo "#define HAVE_LZMA_STREAM_ENCODER_MT 1" >>confdefs.h
   fi
 fi
 # Check whether --with-lzo2 was given.
 if test "${with_lzo2+set}" = set; then :
 @@ -17632,27 +17636,27 @@ else
   ac_cv_sys_largefile_CC=no
      if test "$GCC" != yes; then
        ac_save_CC=$CC
        while :; do
 	 # IRIX 6.2 and later do not support large files by default,
 	 # so use the C compiler's -n32 option if that helps.
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
 main ()
+{
+  ;
   return 0;
+}
 _ACEOF
 	 if ac_fn_c_try_compile "$LINENO"; then :
   break
 @@ -17678,51 +17682,51 @@ $as_echo "$ac_cv_sys_largefile_CC" >&6;
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
 $as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
 if ${ac_cv_sys_file_offset_bits+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   while :; do
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
 main ()
+{
+  ;
   return 0;
+}
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sys_file_offset_bits=no; break
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define _FILE_OFFSET_BITS 64
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
 main ()
+{
+  ;
   return 0;
+}
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sys_file_offset_bits=64; break
 @@ -17747,51 +17751,51 @@ rm -rf conftest*
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
 $as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
 if ${ac_cv_sys_large_files+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   while :; do
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
 main ()
+{
+  ;
   return 0;
+}
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sys_large_files=no; break
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define _LARGE_FILES 1
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
 main ()
+{
+  ;
   return 0;
+}
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sys_large_files=1; break

 @@ -363,28 +363,31 @@ fi
 AC_ARG_WITH([lzma],
   AS_HELP_STRING([--without-lzma], [Don't build support for xz through lzma]))
 if test "x$with_lzma" != "xno"; then
   AC_CHECK_HEADERS([lzma.h])
   AC_CHECK_LIB(lzma,lzma_stream_decoder)
   # Some pre-release (but widely distributed) versions of liblzma
   # included a disabled version of lzma_stream_encoder_mt that
   # fools a naive AC_CHECK_LIB or AC_CHECK_FUNC, so we need
   # to do something more complex here:
   AC_CACHE_CHECK(
     [whether we have multithread support in lzma],
     ac_cv_lzma_has_mt,
-    [AC_COMPILE_IFELSE([
+    [AC_LINK_IFELSE([
-      AC_LANG_PROGRAM([[#include <lzma.h>]],
+      AC_LANG_PROGRAM([[#include <lzma.h>]
                        [#if LZMA_VERSION < 50020000]
                        [#error unsupported]
                        [#endif]],
                       [[lzma_stream_encoder_mt(0, 0);]])],
       [ac_cv_lzma_has_mt=yes], [ac_cv_lzma_has_mt=no])])
   if test "x$ac_cv_lzma_has_mt" != xno; then
 	  AC_DEFINE([HAVE_LZMA_STREAM_ENCODER_MT], [1], [Define to 1 if you have the `lzma_stream_encoder_mt' function.])
   fi
 fi
 AC_ARG_WITH([lzo2],
   AS_HELP_STRING([--without-lzo2], [Don't build support for lzop through liblzo2]))
 if test "x$with_lzo2" != "xno"; then
   AC_CHECK_HEADERS([lzo/lzoconf.h lzo/lzo1x.h])
   AC_CHECK_LIB(lzo2,lzo1x_decompress_safe)