diff --git a/configure b/configure
index af2268d83..714b42dcb 100755
--- a/configure
+++ b/configure
@@ -19624,7 +19624,7 @@ esac
 
 		    else
 			case "$host" in
-			Darwin)
+			Darwin|*darwin*)
 				case " $LIBOBJS " in
   *" getentropy_osx.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS getentropy_osx.$ac_objext"
@@ -19632,7 +19632,7 @@ esac
 esac
 
 			;;
-			solaris|SunOS)
+			*solaris*|*sunos*|SunOS)
 				case " $LIBOBJS " in
   *" getentropy_solaris.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS getentropy_solaris.$ac_objext"
@@ -19736,7 +19736,7 @@ if test "$ac_res" != no; then :
 fi
 
 			;;
-			Linux|*)
+			*linux*|Linux|*)
 				case " $LIBOBJS " in
   *" getentropy_linux.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS getentropy_linux.$ac_objext"
diff --git a/configure.ac b/configure.ac
index dd0f14f6e..bc465b0eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1216,10 +1216,10 @@ if test "$USE_NSS" = "no"; then
 			AC_LIBOBJ(getentropy_win)
 		    else
 			case "$host" in
-			Darwin)
+			Darwin|*darwin*)
 				AC_LIBOBJ(getentropy_osx)
 			;;
-			solaris|SunOS)
+			*solaris*|*sunos*|SunOS)
 				AC_LIBOBJ(getentropy_solaris)
 				AC_CHECK_HEADERS([sys/sha2.h],, [
 					AC_CHECK_FUNCS([SHA512_Update],,[
@@ -1232,7 +1232,7 @@ if test "$USE_NSS" = "no"; then
 				fi
 				AC_SEARCH_LIBS([clock_gettime], [rt])
 			;;
-			Linux|*)
+			*linux*|Linux|*)
 				AC_LIBOBJ(getentropy_linux)
 				AC_CHECK_FUNCS([SHA512_Update],,[
 					AC_DEFINE([COMPAT_SHA512], [1], [Do sha512 definitions in config.h])