diff --git a/repos/base/mk/dep_lib.mk b/repos/base/mk/dep_lib.mk
index 21fcb77e58..91970ac00b 100644
--- a/repos/base/mk/dep_lib.mk
+++ b/repos/base/mk/dep_lib.mk
@@ -39,6 +39,7 @@ endif
 append_lib_to_progress_log:
 	@echo "LIBS_READY  += $(LIB)" >> $(LIB_PROGRESS_LOG)
 
+
 LIB_MK_DIRS  = $(foreach REP,$(REPOSITORIES),$(addprefix $(REP)/lib/mk/spec/,     $(SPECS)) $(REP)/lib/mk)
 SYMBOLS_DIRS = $(foreach REP,$(REPOSITORIES),$(addprefix $(REP)/lib/symbols/spec/,$(SPECS)) $(REP)/lib/symbols)
 
@@ -82,8 +83,14 @@ include $(LIB_MK)
 
 ifdef SHARED_LIB
 LIBS += ldso_so_support
+
+# record creation of shared library build artifact
+append_artifact_to_progress_log:
+	@echo -e "\n# Build artifact $(LIB).lib.so\n" >> $(LIB_PROGRESS_LOG)
+append_lib_to_progress_log: append_artifact_to_progress_log
 endif
 
+
 #
 # Hide archive dependencies of shared libraries from users of the shared
 # library. Library users examine the 'DEP_A_<lib>' variable to determine
diff --git a/repos/base/mk/dep_prg.mk b/repos/base/mk/dep_prg.mk
index 190dd92aa1..6901266f6a 100644
--- a/repos/base/mk/dep_prg.mk
+++ b/repos/base/mk/dep_prg.mk
@@ -40,6 +40,11 @@ include $(foreach LIB,$(LIBS),$(call select_from_repositories,lib/import/import-
 #
 include $(SPEC_FILES)
 
+#
+# Names of build artifacts to appear in the 'progress.log'
+#
+BUILD_ARTIFACTS ?= $(TARGET)
+
 #
 # Determine location of $(TARGET_MK) within 'src/', remove trailing slash
 #
@@ -63,7 +68,7 @@ LIBS_TO_VISIT = $(filter-out $(LIBS_READY),$(LIBS))
 #
 # Generate program rule
 #
-gen_prg_rule:
+gen_prg_rule: append_artifact_to_progress_log
 ifneq ($(LIBS),)
 	@for i in $(LIBS_TO_VISIT); do \
 	  $(MAKE) $(VERBOSE_DIR) -f $(BASE_DIR)/mk/dep_lib.mk REP_DIR=$(REP_DIR) LIB=$$i; done
@@ -111,3 +116,8 @@ ifeq ($(FORCE_BUILD_LIBS),yes)
 	@(echo ""; \
 	  echo "all: \$$(addsuffix .lib,\$$(filter-out \$$(INVALID_DEPS), $(LIBS)))") >> $(LIB_DEP_FILE)
 endif
+
+append_artifact_to_progress_log:
+	@( $(foreach A,$(BUILD_ARTIFACTS),\
+	      echo -e "\n# Build artifact $A\n";) true \
+	) >> $(LIB_PROGRESS_LOG)