Index: Makefile
--- Makefile.orig
+++ Makefile
@@ -22,6 +22,9 @@ else
 	ifeq ($(UNAME_S),FreeBSD)
 		TARGET_OS := freebsd
 	endif
+	ifeq ($(UNAME_S),OpenBSD)
+		TARGET_OS := openbsd
+	endif
 endif
 endif # TARGET_OS
 
@@ -54,7 +57,6 @@ endif
 
 
 VERSION ?= $(shell git describe --always)
-SPIFFS_VERSION := $(shell git -C spiffs describe --tags || echo "unknown")
 BUILD_CONFIG_NAME ?= -generic
 
 OBJ		:= main.o \
@@ -82,8 +84,8 @@ override CPPFLAGS := \
 	-D __NO_INLINE__ \
 	$(CPPFLAGS)
 
-override CFLAGS := -std=gnu99 -Os -Wall $(TARGET_CFLAGS) $(CFLAGS)
-override CXXFLAGS := -std=gnu++11 -Os -Wall $(TARGET_CXXFLAGS) $(CXXFLAGS)
+override CFLAGS := -std=gnu99 -Wall $(TARGET_CFLAGS) $(CFLAGS)
+override CXXFLAGS := -std=gnu++11 -Wall $(TARGET_CXXFLAGS) $(CXXFLAGS)
 override LDFLAGS := $(TARGET_LDFLAGS) $(LDFLAGS)
 
 DIST_NAME := mkspiffs-$(VERSION)$(BUILD_CONFIG_NAME)-$(TARGET_OS)
@@ -104,7 +106,6 @@ $(DIST_ARCHIVE): $(TARGET) $(DIST_DIR)
 
 $(TARGET): $(OBJ)
 	$(CXX) $^ -o $@ $(LDFLAGS)
-	strip $(TARGET)
 
 $(DIST_DIR):
 	@mkdir -p $@