do not link klib at native

Makefile.app

@@ -12,11 +12,16 @@ $(shell mkdir -p $(DST_DIR))
 
 include $(AM_HOME)/Makefile.compile
 
+LINK_FILES = $(AM_HOME)/am/build/am-$(ARCH).a $(OBJS)
+
+ifneq ($(ARCH), native)
+LINK_FILES += $(AM_HOME)/klib/build/klib-$(ARCH).a
+endif
+
 .PHONY: app run clean
 app: $(OBJS)
 	@cd $(AM_HOME) && make ARCH=$(ARCH)
-	@$(AM_HOME)/am/arch/$(ARCH)/img/build $(BINARY) $(AM_HOME)/am/build/am-$(ARCH).a $(AM_HOME)/klib/build/klib-$(ARCH).a $(OBJS)
-
+	@$(AM_HOME)/am/arch/$(ARCH)/img/build $(BINARY) $(LINK_FILES)
 run: app
 	@$(AM_HOME)/am/arch/$(ARCH)/img/run $(BINARY)
 

apps/microbench/src/bench.c

@@ -94,7 +94,7 @@ int main() {
       pass &= succ;
 
       ulong cur = score(bench, tsc, msec);
-      printk("\n  min time: %dK cycles in %d ms [%d]\n", tsc, msec, cur);
+      printk("\n  min time: %dK cycles in %d ms [%d]\n", (uint)tsc, (uint)msec, (uint)cur);
 
       bench_score += cur;
     }
@@ -103,7 +103,7 @@ int main() {
   bench_score /= sizeof(benchmarks) / sizeof(benchmarks[0]);
   
   printk("==================================================\n");
-  printk("MicroBench %s        %d Marks\n", pass ? "PASS" : "FAIL", bench_score);
+  printk("MicroBench %s        %d Marks\n", pass ? "PASS" : "FAIL", (uint)bench_score);
   printk("                   vs. %d Marks (%s)\n", REF_SCORE, REF_CPU);
 
   _halt(0);

klib/klib.h

@@ -42,9 +42,10 @@ void srand(unsigned int seed);
 int rand();
 
 // stdio.h
-int printk(const char* fmt, ...);
+int printf(const char* fmt, ...);
 int sprintf(char* s, char* format, ...);
 int snprintf(char* s, size_t n, const char* format, ...);
+#define printk printf
 
 // assert.h
 #ifdef NDEBUG

klib/printk.c

@@ -85,7 +85,7 @@ int vprintk(char* out,const char* fmt,va_list ap){
   return 0;
 }
 
-int printk(const char* fmt,...){
+int printf(const char* fmt,...){
   va_list ap;
   va_start(ap,fmt);
   int r=vprintk(0,fmt,ap);