diff --git a/Makefile.PL b/Makefile.PL
index b166eea1..227314b4 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -1,9 +1,13 @@
 use ExtUtils::MakeMaker;
 use lib 'inc'; # load our bundled version of Devel::CheckLib
-use Devel::CheckLib;
+
+my $compiler_available;
+BEGIN {
+    $compiler_available = eval { require Devel::CheckLib; 1 };
+}
 
 my %require_mpugmp;
-my $have_gmp = check_lib(lib => 'gmp', header => 'gmp.h');
+my $have_gmp = $compiler_available && check_lib(lib => 'gmp', header => 'gmp.h');
 if ($have_gmp) {
   warn "\n   It looks like you have the GMP C library.\n";
   warn "   Adding Math::Prime::Util::GMP to dep list.\n\n";
@@ -63,7 +67,7 @@ WriteMakefile1(
                       # 1.99 fixes the FastCalc SvUV bug, we work around it.
                       'Math::BigInt'     => '1.88',
                       'Math::BigFloat'   => '1.59',
-                      'Bytes::Random::Secure' => '0.23',
+                      'Bytes::Random::Secure::Tiny' => 0,
                       # Add in MPU::GMP if we can
                       %require_mpugmp,
                     },
@@ -144,5 +148,11 @@ sub WriteMakefile1 {   # Cribbed from eumm-upgrade by Alexandr Ciornii
   delete $params{ABSTRACT_FROM} if $] < 5.005;
   delete $params{BINARY_LOCATION} if $] < 5.005;
 
+  if (!$compiler_available) {
+	$params{'OBJECT'} = q<>;
+	delete $params{'PREREQ_PM'}{'XSLoader'};
+	$params{'C'} = [];
+  }
+
   WriteMakefile(%params);
 }
diff --git a/lib/Math/Prime/Util/RandomPrimes.pm b/lib/Math/Prime/Util/RandomPrimes.pm
index 4a029fb2..8df3ffc7 100644
--- a/lib/Math/Prime/Util/RandomPrimes.pm
+++ b/lib/Math/Prime/Util/RandomPrimes.pm
@@ -86,8 +86,7 @@ sub _set_randf {
   return if defined $_RANDF;
 
   if (!defined $_IRANDF) {   # Default irand: BRS nonblocking
-    require Bytes::Random::Secure;
-    $_BRS = Bytes::Random::Secure->new(NonBlocking=>1) unless defined $_BRS;
+    $_BRS ||= _BRS();
     $_RANDF_NBIT = sub {
       my($bits) = int("$_[0]");
       return 0 if $bits <= 0;
@@ -868,10 +867,7 @@ sub random_shawe_taylor_prime_with_cert {
   my $seed;
   my $irandf = prime_get_config->{'irand'};
   if (!defined $irandf) {
-    if (!defined $_BRS) {
-      require Bytes::Random::Secure;
-      $_BRS = Bytes::Random::Secure->new(NonBlocking=>1);
-    }
+    $_BRS ||= _BRS();
     $seed = $_BRS->bytes(512/8);
   } else {
     $seed = pack("L*", map { $irandf->() } 0 .. (512>>5));
@@ -1088,6 +1084,21 @@ sub miller_rabin_random {
   1;
 }
 
+my @BRS_CLASSES = qw(
+	Bytes::Random::Secure
+	Bytes::Random::Secure::Tiny
+);
+
+sub _BRS {
+    local $@;
+
+    for my $class ( @BRS_CLASSES ) {
+        if ( eval "require $class" ) {
+            return $_BRS = $class->new( NonBlocking => 1 );
+        }
+    }
+}
+
 1;
 
 __END__