Default to -O0.

kohler · kohler · commit 250ac48113c6 · 2016-09-15T14:30:30.000-04:00
diff --git a/fundamentals5/GNUmakefile b/fundamentals5/GNUmakefile
@@ -1,6 +1,7 @@
 PROGRAMS = fib nogcbench gcbench
 all: $(PROGRAMS)
 
+O ?= 0
 include ../common/rules.mk
 
 %.o: %.c $(BUILDSTAMP)
diff --git a/fundamentals5/m61gc.c b/fundamentals5/m61gc.c
@@ -94,6 +94,7 @@ void m61_print_allocations(void) {
         printf("  #%zu: %p: %zu bytes\n", i, allocs[i].ptr, allocs[i].sz);
 }
 
+static void mark_allocations(const char* base, size_t sz) __attribute__((used));
 static void mark_allocations(const char* base, size_t sz) {
     (void) base, (void) sz;
 }

Original file line number	Diff line number	Diff line change
`@@ -94,6 +94,7 @@ void m61_print_allocations(void) {`
`94`	`94`	`printf(" #%zu: %p: %zu bytes\n", i, allocs[i].ptr, allocs[i].sz);`
`95`	`95`	`}`
`96`	`96`
	`97`	`+static void mark_allocations(const char* base, size_t sz) __attribute__((used));`
`97`	`98`	`static void mark_allocations(const char* base, size_t sz) {`
`98`	`99`	`(void) base, (void) sz;`
`99`	`100`	`}`