From c49bff2434971d693b03525622082a81b5ed75eb Mon Sep 17 00:00:00 2001
From: Artemis Tosini <me@artem.ist>
Date: Thu, 24 Oct 2024 21:24:47 +0000
Subject: [PATCH] Fix OpenBSD build with Makefiles

OpenBSD dynamic libraries never link to libc directly.
Instead, they have undefined symbols for all libc functions they use
that ld.so resolves to the libc referred to in the main executable.

Thus, disallowing undefined symbols will always fail
---
 mk/libraries.mk | 4 +++-
 mk/platform.mk  | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/mk/libraries.mk b/mk/libraries.mk
index b99ba2782..a7848ba35 100644
--- a/mk/libraries.mk
+++ b/mk/libraries.mk
@@ -86,7 +86,9 @@ define build-library
     else
       ifndef HOST_DARWIN
         ifndef HOST_WINDOWS
-          $(1)_LDFLAGS += -Wl,-z,defs
+	  ifndef HOST_OPENBSD
+            $(1)_LDFLAGS += -Wl,-z,defs
+          endif
         endif
       endif
     endif
diff --git a/mk/platform.mk b/mk/platform.mk
index 22c114a20..3c4fff780 100644
--- a/mk/platform.mk
+++ b/mk/platform.mk
@@ -21,6 +21,10 @@ ifdef HOST_OS
     HOST_NETBSD = 1
     HOST_UNIX = 1
   endif
+  ifeq ($(patsubst openbsd%,,$(HOST_KERNEL)),)
+    HOST_OPENBSD = 1
+    HOST_UNIX = 1
+  endif
   ifeq ($(HOST_KERNEL), linux)
     HOST_LINUX = 1
     HOST_UNIX = 1