diff --git a/Makefile b/Makefile
index 7b839c5..56292a0 100644
--- a/Makefile
+++ b/Makefile
@@ -99,12 +99,15 @@ MODEST_BUILD_OBJECT_MODULES := $(foreach dir,$(MODEST_BUILD_MODULES_TARGET),$($(
 #********************
 # Target options
 #***************
-all: $(MODEST_BUILD_MODULES_TARGET_ALL)
+all: create $(MODEST_BUILD_MODULES_TARGET_ALL)
 	$(call MODEST_BUILD_OBJECT_SHARED,$(MODEST_BUILD_OBJECT_MODULES),$(MODEST_LIBRARY))
 
 clean: $(MODEST_BUILD_MODULES_TARGET_CLEAN)
 clone: $(MODEST_BUILD_MODULES_TARGET_CLONE)
 
+create:
+	mkdir -p lib bin
+
 .PHONY: all clean clone $(MODEST_BUILD_MODULES_TARGET_ALL)
 
 # SRCS := 
diff --git a/Makefile.cfg b/Makefile.cfg
index d813824..b583d48 100644
--- a/Makefile.cfg
+++ b/Makefile.cfg
@@ -31,7 +31,7 @@ endif
 #*******************
 ifeq ($(OS),Darwin)
 	MODEST_CFLAGS += -fPIC
-	MODEST_CFLAGS += $(MODEST_OPTIMIZATION_LEVEL) -Wno-unused-variable --std=c99
+	MODEST_CFLAGS += $(MODEST_OPTIMIZATION_LEVEL) -Wno-unused-variable -Wno-unused-function --std=c99
 
 	LIB_NAME_SUFFIX := .dylib
 
@@ -55,7 +55,7 @@ endif
 ifeq ($(MODEST_BUILD_OS),UNDEF)
 	MODEST_CFLAGS += -fPIC
 	MODEST_CFLAGS += -D_POSIX_C_SOURCE=199309L
-	MODEST_CFLAGS += $(MODEST_OPTIMIZATION_LEVEL) -Wno-unused-variable --std=c99
+	MODEST_CFLAGS += $(MODEST_OPTIMIZATION_LEVEL) -Wno-unused-variable -Wno-unused-function --std=c99
 	
 # build without threads
 ifeq ($(MODEST_BUILD_WITHOUT_THREADS),YES)
diff --git a/source/mycore/utils/mcsync.c b/source/mycore/utils/mcsync.c
index bbaef9f..e5e0399 100644
--- a/source/mycore/utils/mcsync.c
+++ b/source/mycore/utils/mcsync.c
@@ -85,7 +85,7 @@ mcsync_status_t mcsync_lock(mcsync_t* mcsync)
 #ifndef MyCORE_BUILD_WITHOUT_THREADS
     return mcsync_spin_lock(mcsync->spinlock);
 #else
-    return MyCORE_STATUS_OK;
+    return MCSYNC_STATUS_OK;
 #endif
 }
 
@@ -94,6 +94,6 @@ mcsync_status_t mcsync_unlock(mcsync_t* mcsync)
 #ifndef MyCORE_BUILD_WITHOUT_THREADS
     return mcsync_spin_unlock(mcsync->spinlock);
 #else
-    return MyCORE_STATUS_OK;
+    return MCSYNC_STATUS_OK;
 #endif
 }