--- configure.orig	2018-03-06 20:04:54 UTC
+++ configure
@@ -9108,6 +9108,19 @@ $as_echo_n "checking Setting up CFLAGS, LDFLAGS, IGNOR
         IGNORE_LINKER_LD_FLAGS="$IGNORE_LINKER_LD_FLAGS -z noexecstack"
         ;;
 
+    arm*freebsd*)
+        # On arm/freebsd, tell gcc to generate Arm
+        # instructions (ie not Thumb).
+        CFLAGS="$CFLAGS -marm"
+        LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"
+        IGNORE_LINKER_LD_FLAGS="$IGNORE_LINKER_LD_FLAGS -z noexecstack"
+        ;;
+
+    aarch64*freebsd*)
+        LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"
+        IGNORE_LINKER_LD_FLAGS="$IGNORE_LINKER_LD_FLAGS -z noexecstack"
+        ;;
+
     powerpc-ibm-aix*)
         # We need `-D_THREAD_SAFE` to unlock the thread-local `errno`.
         CFLAGS="$CFLAGS -D_THREAD_SAFE"