diff --git a/CMakeLists.txt b/CMakeLists.txt
index d2c929d3..729a63b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ project(zint-package)
 
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
-#set(CMAKE_VERBOSE_MAKEFILE ON)
+set(CMAKE_VERBOSE_MAKEFILE ON)
 #comment or remove the above line before release
 
 set (ZINT_VERSION_MAJOR 1)
@@ -13,7 +13,7 @@ set (ZINT_VERSION_MINOR 99)
 set (ZINT_VERSION_RELEASE 1)
 set (ZINT_VERSION "${ZINT_VERSION_MAJOR}.${ZINT_VERSION_MINOR}.${ZINT_VERSION_RELEASE}" )
 
-add_definitions (-DZINT_VERSION=\"${ZINT_VERSION}\")
+add_definitions (-DZINT_VERSION=\"${ZINT_VERSION}\" -Wall)
 
 set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules" )
 
diff --git a/backend/Makefile b/backend/Makefile
index d3c04f96..17a712d7 100644
--- a/backend/Makefile
+++ b/backend/Makefile
@@ -37,10 +37,10 @@ LIBS+= -lqrencode
 endif
  
 libzint: code.c code128.c 2of5.c upcean.c medical.c telepen.c plessey.c postal.c auspost.c imail.c code16k.c dmatrix.c dm200.c reedsol.c pdf417.c maxicode.c rss.c common.c png.c library.c ps.c qr.c large.c composite.c aztec.c blockf.c
-	$(CC) -fPIC $(CFLAGS) $(ZINT_VERSION) -c $(ONEDIM)
-	$(CC) -fPIC $(CFLAGS) $(ZINT_VERSION) -c $(POSTAL)
-	$(CC) -fPIC $(DEFINES) $(CFLAGS) $(ZINT_VERSION) -c $(TWODIM)
-	$(CC) -fPIC $(CFLAGS) $(ZINT_VERSION) -c $(COMMON)
+	$(CC) -Wall -fPIC $(CFLAGS) $(ZINT_VERSION) -c $(ONEDIM)
+	$(CC) -Wall -fPIC $(CFLAGS) $(ZINT_VERSION) -c $(POSTAL)
+	$(CC) -Wall -fPIC $(DEFINES) $(CFLAGS) $(ZINT_VERSION) -c $(TWODIM)
+	$(CC) -Wall -fPIC $(CFLAGS) $(ZINT_VERSION) -c $(COMMON)
 	$(CC) $(CFLAGS) $(ZINT_VERSION) -shared -Wl,-soname,libzint.so -o libzint.so.1.6.3 $(INCLUDE) $(COMMON_OBJ) $(ONEDIM_OBJ) $(TWODIM_OBJ) $(POSTAL_OBJ) $(LIBS)
 	ln -s libzint.so.* libzint.so
 
diff --git a/frontend/Makefile b/frontend/Makefile
index c7a2c36e..bf6058fe 100644
--- a/frontend/Makefile
+++ b/frontend/Makefile
@@ -17,12 +17,12 @@ bindir := $(prefix)/bin
 DESTDIR :=
 
 zint: main.c
-	$(CC) $(INCLUDE) $(CFLAGS) $(ZINT_VERSION) -I../backend -L../backend main.c -o zint -lzint
+	$(CC) -Wall $(INCLUDE) $(CFLAGS) $(ZINT_VERSION) -I../backend -L../backend main.c -o zint -lzint
 
 .PHONY: install uninstall clean dist
 
 clean:
-	rm -f zint *.o *.a *~ *.png *.eps
+	rm -f zint *.o *.a *~ *.png *.eps *.log
 
 install:
 	install -D -p  zint $(DESTDIR)$(bindir)/zint