diff --git a/Makefile b/Makefile
index 86975d451..8d3689692 100644
--- a/Makefile
+++ b/Makefile
@@ -83,6 +83,10 @@ export OS
 
 ifeq (freebsd,$(OS))
     SHELL=/usr/local/bin/bash
+else ifeq (netbsd,$(OS))
+    SHELL=/usr/pkg/bin/bash
+else ifeq (dragonflybsd,$(OS))
+    SHELL=/usr/local/bin/bash
 else
     SHELL=/bin/bash
 endif
diff --git a/runnable/dhry.d b/runnable/dhry.d
index 8f98f7626..05948805f 100644
--- a/runnable/dhry.d
+++ b/runnable/dhry.d
@@ -909,3 +909,14 @@ version (OSX)	// supplied by Anders F Bjorklund
     }
 }
 
+version (DragonFlyBSD)
+{
+    import core.stdc.time;
+
+    double dtime()
+    {
+      double q;
+      q = cast(double)time(null);
+      return q;
+    }
+}
diff --git a/runnable/extra-files/cppb.cpp b/runnable/extra-files/cppb.cpp
index ed677edd5..dd508277f 100644
--- a/runnable/extra-files/cppb.cpp
+++ b/runnable/extra-files/cppb.cpp
@@ -345,7 +345,7 @@ size_t getoffset13161a()
 
 /****************************************************/
 
-#if __linux__ || __APPLE__ || __FreeBSD__
+#if __linux__ || __APPLE__ || __FreeBSD__ || __DragonFly__
 #include <memory>
 #include <vector>
 #include <string>
@@ -402,7 +402,7 @@ wchar_t f13289_cpp_wchar_t(wchar_t ch)
     }
 }
 
-#if __linux__ || __APPLE__ || __FreeBSD__ || __OpenBSD__ || __sun
+#if __linux__ || __APPLE__ || __FreeBSD__ || __OpenBSD__ || __DragonFly__ || __sun
 unsigned short f13289_d_wchar(unsigned short ch);
 wchar_t f13289_d_dchar(wchar_t ch);
 #elif _WIN32
@@ -412,7 +412,7 @@ unsigned int f13289_d_dchar(unsigned int ch);
 
 bool f13289_cpp_test()
 {
-#if __linux__ || __APPLE__ || __FreeBSD__ || __OpenBSD__ || __sun
+#if __linux__ || __APPLE__ || __FreeBSD__ || __OpenBSD__ || __DragonFly__ || __sun
     if (!(f13289_d_wchar((unsigned short)'c') == (unsigned short)'C')) return false;
     if (!(f13289_d_wchar((unsigned short)'D') == (unsigned short)'D')) return false;
     if (!(f13289_d_dchar(L'e') == L'E')) return false;