$OpenBSD$

Index: runtime/druntime/src/core/sys/openbsd/dlfcn.d
--- runtime/druntime/src/core/sys/openbsd/dlfcn.d.orig
+++ runtime/druntime/src/core/sys/openbsd/dlfcn.d
@@ -0,0 +1,30 @@
+/**
+ * D header file for OpenBSD.
+ *
+ * $(LINK2 http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/include/link_elf.h?rev=1.6&content-type=text/x-cvsweb-markup, dlfcn.h)
+ */
+module core.sys.openbsd.dlfcn;
+
+public import core.sys.posix.dlfcn;
+
+version (OpenBSD):
+extern (C):
+nothrow:
+
+static assert(RTLD_LAZY   == 1);
+static assert(RTLD_NOW    == 2);
+static assert(RTLD_GLOBAL == 0x100);
+static assert(RTLD_LOCAL  == 0);
+enum RTLD_TRACE           =  0x200;
+
+enum RTLD_NEXT    = cast(void *)-1;
+enum RTLD_DEFAULT = cast(void *)-2;
+enum RTLD_SELF    = cast(void *)-3;
+
+enum DL_GETERRNO     = 1;
+enum DL_SETTHREADLCK = 2;
+enum DL_SETBINDLCK   = 3;
+
+enum DL_LAZY         = RTLD_LAZY;
+
+int dlctl(void *, int, void *);
