Fix static build

For static builds, we need to propagate all the static library
dependencies to the link of the program. E.g. if libstore-tests-exe
depends on libnixstore-tests, and libnixstore-tests depends on
libstore, then libstore-tests-exe needs to link against libstore.

https://hydra.nixos.org/build/209007480

mk/libraries.mk

@@ -67,6 +67,7 @@ define build-library
 
   $(1)_LDFLAGS_USE :=
   $(1)_LDFLAGS_USE_INSTALLED :=
+  $(1)_LIB_CLOSURE := $(1)
 
   $$(eval $$(call create-dir, $$(_d)))
 
@@ -128,10 +129,12 @@ define build-library
 	+$$(trace-ld) $(LD) -Ur -o $$(_d)/$$($(1)_NAME).o $$^
 	$$(trace-ar) $(AR) crs $$@ $$(_d)/$$($(1)_NAME).o
 
-    $(1)_LDFLAGS_USE += $$($(1)_PATH) $$($(1)_LDFLAGS)
+    $(1)_LDFLAGS_USE += $$($(1)_PATH) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE))
 
     $(1)_INSTALL_PATH := $$(libdir)/$$($(1)_NAME).a
 
+    $(1)_LIB_CLOSURE += $$($(1)_LIBS)
+
   endif
 
   $(1)_LDFLAGS_USE += $$($(1)_LDFLAGS_PROPAGATED)

mk/programs.mk

@@ -30,7 +30,7 @@ define build-program
   _d := $(buildprefix)$$($(1)_DIR)
   _srcs := $$(sort $$(foreach src, $$($(1)_SOURCES), $$(src)))
   $(1)_OBJS := $$(addprefix $(buildprefix), $$(addsuffix .o, $$(basename $$(_srcs))))
-  _libs := $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_PATH))
+  _libs := $$(foreach lib, $$($(1)_LIBS), $$(foreach lib2, $$($$(lib)_LIB_CLOSURE), $$($$(lib2)_PATH)))
   $(1)_PATH := $$(_d)/$$($(1)_NAME)
 
   $$(eval $$(call create-dir, $$(_d)))
@@ -58,7 +58,7 @@ define build-program
     else
 
       $(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_PATH) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
-	install -t $(DESTDIR)$$($(1)_INSTALL_DIR) $$<
+	+$$(trace-install) install -t $(DESTDIR)$$($(1)_INSTALL_DIR) $$<
 
     endif
   endif