--- libgfortran/configure.orig	2015-12-04 10:47:53 UTC
+++ libgfortran/configure
@@ -6905,7 +6905,7 @@ else
     lt_cv_sys_max_cmd_len=8192;
     ;;
 
-  netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+  netbsd* | bsdsunix* | 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`
@@ -7255,13 +7255,13 @@ darwin* | rhapsody*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-freebsd* | dragonfly*)
+bsdsunix* | freebsd* | dragonfly*)
   if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
     case $host_cpu in
     i*86 )
       # Not sure whether the presence of OpenBSD here was a mistake.
       # Let's accept both of them until this is cleared up.
-      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
+      lt_cv_deplibs_check_method='file_magic (BSDSUniX|FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
       lt_cv_file_magic_cmd=/usr/bin/file
       lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
       ;;
@@ -10598,7 +10598,7 @@ if test -z "$aix_libpath"; then aix_libp
       ;;
 
     # 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
@@ -11499,7 +11499,7 @@ dgux*)
   shlibpath_var=LD_LIBRARY_PATH
   ;;
 
-freebsd* | dragonfly*)
+bsdsunix* | freebsd* | dragonfly*)
   # DragonFly does not have aout.  When/if they implement a new
   # versioning mechanism, adjust this.
   if test -x /usr/bin/objformat; then
@@ -11512,12 +11512,12 @@ freebsd* | dragonfly*)
   fi
   version_type=freebsd-$objformat
   case $version_type in
-    freebsd-elf*)
+    bsdsunix-elf*|freebsd-elf*)
       library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
       need_version=no
       need_lib_prefix=no
       ;;
-    freebsd-*)
+    bsdsunix-*|freebsd-*)
       library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
       need_version=yes
       ;;
@@ -14435,7 +14435,7 @@ if test -z "$aix_libpath"; then aix_libp
       ;;
 
     # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
-    freebsd* | dragonfly*)
+    bsdsunix* | freebsd* | dragonfly*)
       archive_cmds_FC='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
       hardcode_libdir_flag_spec_FC='-R$libdir'
       hardcode_direct_FC=yes
@@ -15128,7 +15128,7 @@ dgux*)
   shlibpath_var=LD_LIBRARY_PATH
   ;;
 
-freebsd* | dragonfly*)
+bsdsunix* | freebsd* | dragonfly*)
   # DragonFly does not have aout.  When/if they implement a new
   # versioning mechanism, adjust this.
   if test -x /usr/bin/objformat; then
@@ -15141,12 +15141,12 @@ freebsd* | dragonfly*)
   fi
   version_type=freebsd-$objformat
   case $version_type in
-    freebsd-elf*)
+    bsdsunix-elf*|freebsd-elf*)
       library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
       need_version=no
       need_lib_prefix=no
       ;;
-    freebsd-*)
+    bsdsunix-*|freebsd-*)
       library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
       need_version=yes
       ;;