From f62a9a9b88ed7d78a62b7ed8870301ec392b87f9 Mon Sep 17 00:00:00 2001
From: Simon Kuenzer <simon@unikraft.io>
Date: Fri, 29 Sep 2023 16:47:31 +0200
Subject: [PATCH] build: Link-time dependencies for libraries (`*_LDEPS`)

For each `.o` library, additional dependencies that trigger relinking
can be specified in `Makefile.uk` with `*_LDEPS`:
```
<LIBNAME>_LDEPS   += <dependency>
<LIBNAME>_LDEPS-y += <dependency>
```

Signed-off-by: Simon Kuenzer <simon@unikraft.io>
Reviewed-by: Stefan Jumarea <stefanjumarea02@gmail.com>
Reviewed-by: Marco Schlumpp <marco@unikraft.io>
Reviewed-by: Michalis Pappas <michalis@unikraft.io>
Approved-by: Razvan Deaconescu <razvand@unikraft.io>
GitHub-Closes: #1119
---
 support/build/Makefile.rules | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/support/build/Makefile.rules b/support/build/Makefile.rules
index 08cb44f10..543f1b12a 100644
--- a/support/build/Makefile.rules
+++ b/support/build/Makefile.rules
@@ -981,7 +981,9 @@ $(call libname2preolib,$(1)): $$($(call vprefix_lib,$(1),OBJS)) \
 			      $$($(call vprefix_lib,$(1),LDS)) \
 			      $$($(call vprefix_lib,$(1),LDS-y)) \
 			      $$($(call vprefix_lib,$(1),DTB)) \
-			      $$($(call vprefix_lib,$(1),DTB-y))
+			      $$($(call vprefix_lib,$(1),DTB-y)) \
+			      $$($(call vprefix_lib,$(1),LDEPS)) \
+			      $$($(call vprefix_lib,$(1),LDEPS-y))
 	$(call build_cmd,LD,,$(call libname2preolib,$(1)),\
 		$(LD) $$(LIBLDFLAGS) $$(LIBLDFLAGS-y) \
 		      $$($(call vprefix_lib,$(1),LDFLAGS)) \
-- 
2.39.5