diff -ruN PDL-2.063.orig/Libtmp/Minuit/Makefile.PL PDL-2.063/Libtmp/Minuit/Makefile.PL
--- PDL-2.063.orig/Libtmp/Minuit/Makefile.PL	2021-11-03 15:17:59.000000000 +0100
+++ PDL-2.063/Libtmp/Minuit/Makefile.PL	2021-11-25 02:20:46.996821657 +0100
@@ -128,7 +128,7 @@
 	    ("
 
 minuitlib/$_\$(OBJ_EXT): minuitlib/$_.f 
-	$mycompiler -c $hack_64bit -o minuitlib/$_\$(OBJ_EXT) $mycflags minuitlib/$_.f
+	\$(FC) \$(FFLAGS) -fPIC -c -o minuitlib/$_\$(OBJ_EXT) $mycflags minuitlib/$_.f
 " )} @minuitfiles;
 
 	if (!defined($PDL::Config{MINUIT_LIB})){
diff -ruN PDL-2.063.orig/Libtmp/Slatec/Makefile.PL PDL-2.063/Libtmp/Slatec/Makefile.PL
--- PDL-2.063.orig/Libtmp/Slatec/Makefile.PL	2021-11-03 15:17:59.000000000 +0100
+++ PDL-2.063/Libtmp/Slatec/Makefile.PL	2021-11-25 02:22:27.338152451 +0100
@@ -88,7 +88,7 @@
 	$orig .join "\n",map "
 
 $_\$(OBJ_EXT): $_.f
-	$mycompiler -c $hack_64bit -o $_\$(OBJ_EXT) $mycflags $_.f
+	\$(FC) \$(FFLAGS) -c -fPIC -o $_\$(OBJ_EXT) $mycflags $_.f
 ", @slatecfiles;
 };