--- gcc/configure.orig	2020-03-04 19:32:12.000000000 +1100
+++ gcc/configure	2020-09-11 13:03:20.868857000 +1000
@@ -13010,7 +13010,7 @@
     lt_cv_sys_max_cmd_len=8192;
     ;;
 
-  netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+  bsdsunix* | netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
     # This has been around since 386BSD, at least.  Likely further.
     if test -x /sbin/sysctl; then
       lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
@@ -13360,6 +13360,20 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+bsdsunix*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      lt_cv_deplibs_check_method='file_magic (BSDSUniX)/i[[3-9]]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=/usr/bin/file
+      lt_cv_file_magic_test_file=`echo /lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
 freebsd* | dragonfly*)
   if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
     case $host_cpu in
@@ -16692,7 +16706,7 @@
       ;;
 
     # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
-    freebsd* | dragonfly*)
+    bsdsunix* | freebsd* | dragonfly*)
       archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
       hardcode_libdir_flag_spec='-R$libdir'
       hardcode_direct=yes
@@ -17590,6 +17604,17 @@
   shlibpath_var=LD_LIBRARY_PATH
   ;;
 
+bsdsunix*)
+  objformat=elf
+  version_type=bsdsunix-$objformat
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  need_version=no  need_lib_prefix=no
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
 freebsd* | dragonfly*)
   # DragonFly does not have aout.  When/if they implement a new
   # versioning mechanism, adjust this.
@@ -19487,11 +19512,11 @@
         ld_shlibs_CXX=no
         ;;
 
-      freebsd-elf*)
+      bsdsunix-elf*|freebsd-elf*)
         archive_cmds_need_lc_CXX=no
         ;;
 
-      freebsd* | dragonfly*)
+      bsdsunix* | freebsd* | dragonfly*)
         # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
         # conventions
         ld_shlibs_CXX=yes
@@ -20456,7 +20481,7 @@
 	    ;;
 	esac
 	;;
-      freebsd* | dragonfly*)
+      bsdsunix* | freebsd* | dragonfly*)
 	# FreeBSD uses GNU C++
 	;;
       hpux9* | hpux10* | hpux11*)
@@ -21250,6 +21275,17 @@
   shlibpath_var=LD_LIBRARY_PATH
   ;;
 
+bsdsunix*)
+  objformat=elf
+  version_type=bsdsunix-$objformat
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  need_version=no  need_lib_prefix=no
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
 freebsd* | dragonfly*)
   # DragonFly does not have aout.  When/if they implement a new
   # versioning mechanism, adjust this.
@@ -28864,7 +28900,7 @@
 esac
 
 case "$target:$tm_file" in
-  powerpc64-*-freebsd* | powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*)
+  powerpc64-*-bsdsunix* | powerpc64-*-freebsd* | powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*)
   case "$target" in
      *le-*-linux*)
      emul_name="-melf64lppc"
@@ -28875,6 +28911,9 @@
      *-*-freebsd*)
      emul_name="-melf64ppc_fbsd"
       ;;
+     *-*-bsdsunix*)
+     emul_name="-melf64ppc_bsdsux"
+      ;;
   esac
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking linker support for omitting dot symbols" >&5
 $as_echo_n "checking linker support for omitting dot symbols... " >&6; }
@@ -29233,7 +29272,7 @@
 	 # realistically usable GNU/Hurd configurations.
 	 # All supported versions of musl provide it as well
 	 gcc_cv_libc_provides_ssp=yes;;
-       *-*-darwin* | *-*-freebsd* | *-*-netbsd*)
+       *-*-bsdsunix* | *-*-darwin* | *-*-freebsd* | *-*-netbsd*)
 	 ac_fn_cxx_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail"
 if test "x$ac_cv_func___stack_chk_fail" = x""yes; then :
   gcc_cv_libc_provides_ssp=yes
@@ -29402,7 +29441,7 @@
       gcc_cv_target_dl_iterate_phdr=no
     fi
     ;;
-  *-*-dragonfly* | *-*-freebsd*)
+  *-*-dragonfly* | *-*-freebsd* | *-*-bsdsunix*)
     if grep dl_iterate_phdr $target_header_dir/sys/link_elf.h > /dev/null 2>&1; then
       gcc_cv_target_dl_iterate_phdr=yes
     else