Basically working

Makefile

@@ -1,11 +1,10 @@
 
-CC = clang
-LD = ld.lld
+CC = gcc
 #CFLAGS += -O0 -ggdb3
 CFLAGS += -Ofast -ggdb3
-CFLAGS += -Wall -Wextra -Wno-unused-function
+CFLAGS += -Wall -Wextra -Wno-unused-function -rdynamic
 #CFLAGS += -fsanitize=address
-LDFLAGS = -fuse-ld=lld
+LDFLAGS = -fuse-ld=lld -rdynamic
 #LDFLAGS += -fsanitize=address
 
 _OBJ = chess.o
@@ -36,7 +35,6 @@ bin/chess: $(OBJ)
 	$(CC) -o $@ $(CFLAGS) $(LDFLAGS) $^
 
 $(TEST_DIR)/bin/test_%: testing/test_%.c obj/%.o obj/util.o
-	echo $^
 	$(CC) -o $@ $(CFLAGS) $(LDFLAGS) $^
 
 .PHONY: all clean docs test

src/cool_assert.h

@@ -0,0 +1,45 @@
+
+#pragma once
+#include <stdio.h>
+#include <execinfo.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <assert.h>
+#undef assert
+
+#ifdef assert
+#error "assert is already defined!"
+#endif
+
+static void print_backtrace()
+{
+    void* array[10];
+    char** strings;
+    int size, i;
+
+    size = backtrace(array, 10);
+    strings = backtrace_symbols(array, size);
+    if (strings != NULL)
+    {
+        printf ("Obtained %d stack frames.\n", size);
+        for (i = 0; i < size; i++)
+            printf ("%s\n", strings[i]);
+    }
+
+    free(strings);
+	exit(EXIT_FAILURE);
+}
+
+static int assertion_fail(const char* msg)
+{
+	fprintf(stderr, "assertion `%s` failed!\n", msg);
+	print_backtrace();
+	exit(EXIT_FAILURE);
+}
+
+#ifndef NDEBUG
+#define assert(expr) ((void)((expr) || (assertion_fail(# expr), 0)))
+#else
+#define assert(expt) (void)0
+#endif

src/map.h

@@ -0,0 +1,10 @@
+
+
+
+static bool board_equals(
+
+
+
+struct board_map {
+	
+};