diff --git a/makefile b/makefile
index cc0dfa4..90544a1 100644
--- a/makefile
+++ b/makefile
@@ -87,6 +87,16 @@ ifeq ($(shell uname),Linux)
 	find . -type f -name '*.dylib' -delete
 	find . -type d -name 'out' -delete
 	find . -type d -name 'obj' -delete
+else ifeq ($(shell uname),NetBSD)
+	find . -type f -name '*.o' -delete
+	find . -type f -name '*.a' -delete
+	find . -type f -name '*.exe' -delete
+	find . -type f -name '*.dll' -delete
+	find . -type f -name '*.lib' -delete
+	find . -type f -name '*.so' -delete
+	find . -type f -name '*.dylib' -delete
+	find . -type d -name 'out' -delete
+	find . -type d -name 'obj' -delete
 else ifeq ($(OS),Windows_NT)
 	$(RM) *.o *.a *.exe *.dll *.lib *.so *.dylib
 	$(RM) out
diff --git a/source/toy_common.h b/source/toy_common.h
index edcd094..0f637c3 100644
--- a/source/toy_common.h
+++ b/source/toy_common.h
@@ -30,6 +30,12 @@
 	#else
 		#define TOY_BITNESS 32
 	#endif
+#elif defined(__NetBSD__)
+	#if defined(__LP64__)
+		#define TOY_BITNESS 64
+	#else
+		#define TOY_BITNESS 32
+	#endif
 #elif defined(_WIN32) || defined(_WIN64)
 	#if defined(_WIN64)
 		#define TOY_BITNESS 64
diff --git a/tests/cases/makefile b/tests/cases/makefile
index 5c191dd..049acd5 100644
--- a/tests/cases/makefile
+++ b/tests/cases/makefile
@@ -6,6 +6,8 @@ LDFLAGS+=
 
 ifeq ($(shell uname),Linux)
 LDFLAGS=-Wl,--gc-sections
+else ifeq ($(shell uname),NetBSD)
+LDFLAGS=-Wl,--gc-sections
 else ifeq ($(OS),Windows_NT)
 LDFLAGS=-Wl,--gc-sections
 else ifeq ($(shell uname),Darwin)
diff --git a/tests/integrations/makefile b/tests/integrations/makefile
index 48e3ebc..1d8c362 100644
--- a/tests/integrations/makefile
+++ b/tests/integrations/makefile
@@ -6,6 +6,8 @@ LDFLAGS+=
 
 ifeq ($(shell uname),Linux)
 LDFLAGS=-Wl,--gc-sections
+else ifeq ($(shell uname),NetBSD)
+LDFLAGS=-Wl,--gc-sections
 else ifeq ($(OS),Windows_NT)
 LDFLAGS=-Wl,--gc-sections
 else ifeq ($(shell uname),Darwin)