Update libc

libc/Makefile

@@ -1,4 +1,5 @@
 build:
+	cp include/* ../out/system/include
 	make --quiet -C runtime build
 	make --quiet -C libgcc build
 	make --quiet -C src build

libc/include/dlfcn.h

@@ -0,0 +1,11 @@
+#ifndef __FENNIX_LIBC_DLFCN_H__
+#define __FENNIX_LIBC_DLFCN_H__
+
+#include <types.h>
+
+void *dlopen(const char *filename, int flags);
+void *dlsym(void *handle, const char *symbol);
+int dlclose(void *handle);
+char *dlerror(void);
+
+#endif // !__FENNIX_LIBC_DLFCN_H__

libc/include/types.h

@@ -0,0 +1,6 @@
+#ifndef __FENNIX_LIBC_TYPES_H__
+#define __FENNIX_LIBC_TYPES_H__
+
+#define NULL ((void *)0)
+
+#endif // !__FENNIX_LIBC_TYPES_H__

libc/src/dlfcn.c

@@ -0,0 +1,23 @@
+#include <dlfcn.h>
+
+static char *error = "Not implemented";
+
+__attribute__((weak)) void *dlopen(const char *filename, int flags)
+{
+    return NULL;
+}
+
+__attribute__((weak)) void *dlsym(void *handle, const char *symbol)
+{
+    return NULL;
+}
+
+__attribute__((weak)) int dlclose(void *handle)
+{
+    return -1;
+}
+
+__attribute__((weak)) char *dlerror(void)
+{
+    return error;
+}