diff -ur algol68g.orig/configure.ac algol68g/configure.ac
--- algol68g.orig/configure.ac	2022-02-06 19:38:38.881835661 -0500
+++ algol68g/configure.ac	2022-02-06 19:40:29.389160612 -0500
@@ -200,8 +200,8 @@
 #
 # Linux.
 #
-# aarch64*-*-linux* is for RaspberryPi-4 on ARM-64 - otherwise http/tcp isnt found
-*86-*-gnu | *86_64-*-gnu | *86-*-linux* | *86_64-*-linux* | arm*-*-linux* | aarch*-*-linux*) 
+# Any Linux should work for ALT!
+*-*-linux*)
   AC_DEFINE(BUILD_LINUX, 1, [Define this if LINUX was detected]) 
   AC_DEFINE(HAVE_IEEE_754, 1, [Define this if IEEE_754 compliant])
   AC_MSG_RESULT([linux])
Only in algol68g: configure.ac~