From cd0b05bc21378533536391677b99c6556558c937 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@freebsd.org>
Date: Wed, 11 Jan 2017 16:08:07 +0200
Subject: [PATCH 1/3] Fix -ldl for FreeBSD.

On FreeBSD, dlopen(3) is exported from libc.
---
 Makefile | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index f864452..0967117 100644
--- a/Makefile
+++ b/Makefile
@@ -7,8 +7,18 @@ install: vtable-dumper
 	mkdir -p $(DESTDIR)$(prefix)/bin/
 	install vtable-dumper $(DESTDIR)$(prefix)/bin/
 
+OS=$(shell uname -s)
+ifeq ($(OS), Linux)
+LIBDL=-ldl
+else  ifeq ($(OS), FreeBSD)
+LIBDL=
+else
+LIBDL=UNKNOWN
+endif
+
 vtable-dumper: dump-vtable.c dump-vtable.h
-	$(CC) $(CFLAGS) $(LDFLAGS) -o vtable-dumper dump-vtable.c -ldl -lelf -lstdc++
+	$(CC) $(CFLAGS) $(LDFLAGS) -o vtable-dumper dump-vtable.c \
+		$(LIBDL) -lelf -lstdc++
 
 uninstall:
 	rm -f $(DESTDIR)$(prefix)/bin/vtable-dumper

From d0365c78e690b32e30780ff704d5950777416be8 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@freebsd.org>
Date: Wed, 11 Jan 2017 16:08:53 +0200
Subject: [PATCH 2/3] For size_t type, limit is provided by stdint.h.

---
 dump-vtable.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dump-vtable.h b/dump-vtable.h
index 001d198..1bf91eb 100644
--- a/dump-vtable.h
+++ b/dump-vtable.h
@@ -22,6 +22,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <dlfcn.h>
 #include <sys/stat.h>
 #include <fcntl.h>

From 5c61d71dbac40e50d9cc232bc26fd8667454e69d Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@freebsd.org>
Date: Wed, 11 Jan 2017 16:09:14 +0200
Subject: [PATCH 3/3] Leading zero for %016p "p" format is not portable.

---
 dump-vtable.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dump-vtable.c b/dump-vtable.c
index ba72421..2cfab00 100644
--- a/dump-vtable.c
+++ b/dump-vtable.c
@@ -355,11 +355,11 @@ void print_VTable(void *dlhndl, vtable_info *vtable)
             {
                 if ((ptrdiff_t)vfuncp < 0)
                 {
-                    printf("(int (*)(...)) -%016p\n", (void*) -(ptrdiff_t)vfuncp);
+                    printf("(int (*)(...)) -%16p\n", (void*) -(ptrdiff_t)vfuncp);
                 }
                 else
                 {
-                    printf("(int (*)(...)) %016p\n", vfuncp);
+                    printf("(int (*)(...)) %16p\n", vfuncp);
                 }
             }
         }