diff -ru make-4.3-clean/build-aux/config.sub make-4.3/build-aux/config.sub
--- make-4.3-clean/build-aux/config.sub	2019-09-15 20:23:28.000000000 +0200
+++ make-4.3/build-aux/config.sub	2020-12-15 00:51:50.738132015 +0100
@@ -1343,7 +1343,7 @@
 	     | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
 	     | sym* | kopensolaris* | plan9* \
 	     | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
-	     | aos* | aros* | cloudabi* | sortix* | twizzler* \
+	     | aos* | aros* | cloudabi* | sortix* | twizzler* | serenity* \
 	     | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
 	     | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
 	     | knetbsd* | mirbsd* | netbsd* \
diff -ru make-4.3-clean/lib/getdtablesize.c make-4.3/lib/getdtablesize.c
--- make-4.3-clean/lib/getdtablesize.c	2020-01-19 21:34:01.000000000 +0100
+++ make-4.3/lib/getdtablesize.c	2020-12-15 00:53:49.661168383 +0100
@@ -20,6 +20,10 @@
 /* Specification.  */
 #include <unistd.h>
 
+#ifdef __serenity__
+# include <sys/select.h>
+#endif
+
 #if defined _WIN32 && ! defined __CYGWIN__
 
 # include <stdio.h>
@@ -109,6 +113,9 @@
 int
 getdtablesize (void)
 {
+#ifdef __serenity__
+  return FD_SETSIZE;
+#else
   struct rlimit lim;
 
   if (getrlimit (RLIMIT_NOFILE, &lim) == 0
@@ -119,6 +126,7 @@
     return lim.rlim_cur;
 
   return INT_MAX;
+#endif
 }
 
 #endif
diff -ru make-4.3-clean/lib/getprogname.c make-4.3/lib/getprogname.c
--- make-4.3-clean/lib/getprogname.c	2020-01-19 21:34:01.000000000 +0100
+++ make-4.3/lib/getprogname.c	2020-12-15 00:51:50.738132015 +0100
@@ -51,6 +51,10 @@
 # include <sys/procfs.h>
 #endif
 
+#ifdef __serenity__
+# include <unistd.h>
+#endif
+
 #include "dirname.h"
 
 #ifndef HAVE_GETPROGNAME             /* not Mac OS X, FreeBSD, NetBSD, OpenBSD >= 5.4, Cygwin */
@@ -245,6 +249,12 @@
         }
     }
   return NULL;
+# elif defined __serenity__
+  char* buffer = malloc(1024);
+  if (get_process_name(buffer, 1024) < 0)
+      return NULL;
+  return buffer;
+
 # else
 #  error "getprogname module not ported to this OS"
 # endif
diff -ru make-4.3-clean/src/arscan.c make-4.3/src/arscan.c
--- make-4.3-clean/src/arscan.c	2020-01-03 08:11:27.000000000 +0100
+++ make-4.3/src/arscan.c	2020-12-15 00:51:50.738132015 +0100
@@ -331,7 +331,7 @@
 #endif
 
 #ifndef WINDOWS32
-# if !defined (__ANDROID__) && !defined (__BEOS__)
+# if !defined (__ANDROID__) && !defined (__BEOS__) && !defined(__serenity__)
 #  include <ar.h>
 # else
    /* These platforms don't have <ar.h> but have archives in the same format