1 files changed, 73 insertions, 1 deletions
diff --git a/bfd/configure b/bfd/configure
index bc49dc4c3d7..a401e66c43e 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -13689,7 +13689,7 @@ _ACEOF
 fi
 done
 
-for ac_func in strtoull getrlimit
+for ac_func in strtoull getrlimit posix_fallocate fallocate
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -16027,6 +16027,78 @@ $as_echo "#define USE_MMAP 1" >>confdefs.h
  ;;
 esac
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking mremap with MREMAP_MAYMOVE" >&5
+$as_echo_n "checking mremap with MREMAP_MAYMOVE... " >&6; }
+if test "${bfd_cv_mremap_maymove+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+#include <sys/mman.h>
+void f() { mremap (0, 0, 0, MREMAP_MAYMOVE); }
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  bfd_cv_mremap_maymove=yes
+else
+  bfd_cv_mremap_maymove=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_mremap_maymove" >&5
+$as_echo "$bfd_cv_mremap_maymove" >&6; }
+if test "$bfd_cv_mremap_maymove" = "yes"; then
+
+$as_echo "#define HAVE_MREMAP 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking msync with MS_SYNC" >&5
+$as_echo_n "checking msync with MS_SYNC... " >&6; }
+if test "${bfd_cv_msync_ms_sync+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+#include <sys/mman.h>
+void f() { msync (0, 0, MS_SYNC); }
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  bfd_cv_msync_ms_sync=yes
+else
+  bfd_cv_msync_ms_sync=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_msync_ms_sync" >&5
+$as_echo "$bfd_cv_msync_ms_sync" >&6; }
+if test "$bfd_cv_msync_ms_sync" = "yes"; then
+
+$as_echo "#define HAVE_MSYNC 1" >>confdefs.h
+
+fi
+
 rm -f doc/config.status
 ac_config_files="$ac_config_files Makefile doc/Makefile bfd-in3.h:bfd-in2.h po/Makefile.in:po/Make-in"