Allow forcing the unit by passing UNIT=type to Makefile.PL

[perl/modules/Scalar-Vec-Util.git] / Makefile.PL

diff --git a/Makefile.PL b/Makefile.PL
index 49e3969ceef0de4cf502d38bc9823d22c61c382a..8cabdb8724009b8f203a668091c6fdfe5308da91 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -129,25 +129,31 @@ if (defined $cc and defined $ld) {
  $PARAMS{CC} = $cc;
  $PARAMS{LD} = $ld;
 
- my $bits = 8;
- if (not is_little_endian()) {
-  print "Forcing unit size of 8 on non-little-endian systems.\n";
+ my $type = filter_argv UNIT => sub { return $_[0] };
+ if (defined $type) {
+  print "Forcing '$type' as the unit.\n";
+  push @DEFINES, '-DBV_UNIT="' . $type . '"';
  } else {
-  print "Checking unit size in bits... ";
-  my $size  = 1;
-  my $align = $Config{alignbytes} || 1;
-  my @units = (8, 16, 32, 64);
-  for my $unit (@units) {
-   my $unit_size = $Config{"u${unit}size"};
-   if ($unit_size and $unit_size <= $align) {
-    $bits = $unit;
-    $size = $unit_size;
+  my $bits = 8;
+  if (not is_little_endian()) {
+   print "Forcing unit size of 8 on non-little-endian systems.\n";
+  } else {
+   print "Checking unit size in bits... ";
+   my $size  = 1;
+   my $align = $Config{alignbytes} || 1;
+   my @units = (8, 16, 32, 64);
+   for my $unit (@units) {
+    my $unit_size = $Config{"u${unit}size"};
+    if ($unit_size and $unit_size <= $align) {
+     $bits = $unit;
+     $size = $unit_size;
+    }
    }
+   print "$bits (actually $size bytes for $align bytes alignment).\n";
   }
-  print "$bits (actually $size bytes for $align bytes alignment).\n";
+  push @DEFINES, '-DBV_UNIT="' . ($Config{"u${bits}type"} || "U$bits") . '"';
+  push @DEFINES, "-DSVU_SIZE=$bits";
  }
- push @DEFINES, '-DBV_UNIT="' . ($Config{"u${bits}type"} || "U$bits") . '"';
- push @DEFINES, "-DSVU_SIZE=$bits";
 } else {
  $PARAMS{C}      = [ ];
  $PARAMS{XS}     = { };