diff --git a/README.md b/README.md
index f23c219..0670c47 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Reflection implementation is based on [DWARF](https://en.wikipedia.org/wiki/DWAR
 
 * Reflection for all native C types.
 * 'Deep' functionality for printing, copying, comparing, and freeing memory of complex data structures.
-* Supported on Ubuntu, macOS, Windows (msys2) with gcc or clang
+* Supported on **Ubuntu, macOS, Windows (msys2)** with **gcc** or **clang**.
 
 [**Example**](/examples/c_app_simplest/):
 
diff --git a/doc/demo/README.md b/doc/demo/README.md
index 731e2ba..54de8b4 100644
--- a/doc/demo/README.md
+++ b/doc/demo/README.md
@@ -413,6 +413,7 @@ TPL-_meta_demodb=bin_target
 IN-_meta_demodb= \
 	main.meta.o \
 	demodb.meta.o
+LDFLAGS-_meta_demodb=-Lsrc -lmetac
 POST-_meta_demodb=$(METAC_POST_META)
 
 TPL-demodb.reflect.c:=metac_target
diff --git a/doc/demo/step_03/Makefile b/doc/demo/step_03/Makefile
index 68365a5..25fe0df 100644
--- a/doc/demo/step_03/Makefile
+++ b/doc/demo/step_03/Makefile
@@ -40,6 +40,7 @@ TPL-_meta_demodb=bin_target
 IN-_meta_demodb= \
 	main.meta.o \
 	demodb.meta.o
+LDFLAGS-_meta_demodb=-Lsrc -lmetac
 POST-_meta_demodb=$(METAC_POST_META)
 
 TPL-demodb.reflect.c:=metac_target
diff --git a/doc/demo/step_04/Makefile b/doc/demo/step_04/Makefile
index 68365a5..25fe0df 100644
--- a/doc/demo/step_04/Makefile
+++ b/doc/demo/step_04/Makefile
@@ -40,6 +40,7 @@ TPL-_meta_demodb=bin_target
 IN-_meta_demodb= \
 	main.meta.o \
 	demodb.meta.o
+LDFLAGS-_meta_demodb=-Lsrc -lmetac
 POST-_meta_demodb=$(METAC_POST_META)
 
 TPL-demodb.reflect.c:=metac_target
diff --git a/doc/demo/step_05/Makefile b/doc/demo/step_05/Makefile
index d285680..28f6fc6 100644
--- a/doc/demo/step_05/Makefile
+++ b/doc/demo/step_05/Makefile
@@ -40,6 +40,7 @@ TPL-_meta_demodb=bin_target
 IN-_meta_demodb= \
 	main.meta.o \
 	demodb.meta.o
+LDFLAGS-_meta_demodb=-Lsrc -lmetac
 POST-_meta_demodb=$(METAC_POST_META)
 
 TPL-demodb.reflect.c:=metac_target
diff --git a/mk/bin.mk b/mk/bin.mk
index d9bcd18..1cc37e2 100644
--- a/mk/bin.mk
+++ b/mk/bin.mk
@@ -1,8 +1,8 @@
 # generates target to build binaries and .so
 define bin_target_tpl
 
-# add extra LDFLAGS specific for this target
-$$(addprefix $1/,$2): LDFLAGS+=$$(LDFLAGS-$2)
+# add extra LDFLAGS specific for this target (don't add duplicates)
+$$(addprefix $1/,$2): LDFLAGS=$(filter-out $$(LDFLAGS-$2),$(LDFLAGS)) $$(LDFLAGS-$2)
 
 ifneq ($$(CC-$2),)
 $$(addprefix $1/,$2): CC=$$(CC-$2)
diff --git a/mk/test.mk b/mk/test.mk
index e2a626f..bf65e24 100644
--- a/mk/test.mk
+++ b/mk/test.mk
@@ -78,7 +78,7 @@ IN-$(2:.checkmk=_checkmk.reflect.c)=$$(dir $(2:.c=))_meta_$$(notdir $(2:.checkmk
 
 TPL-$$(dir $(2:.checkmk=_checkmk))_meta_$$(notdir $(2:.checkmk=_checkmk)):=bin_target
 IN-$$(dir $(2:.checkmk=_checkmk))_meta_$$(notdir $(2:.checkmk=_checkmk))=$(2:.checkmk=_checkmk.meta.o)
-LDFLAGS-$$(dir $(2:.checkmk=_checkmk))_meta_$$(notdir $(2:.checkmk=_checkmk))=$$(LDFLAGS-$(2:.checkmk=))
+LDFLAGS-$$(dir $(2:.checkmk=_checkmk))_meta_$$(notdir $(2:.checkmk=_checkmk))=$$(LDFLAGS-$(2:.checkmk=_checkmk))
 DEPS-$$(dir $(2:.checkmk=_checkmk))_meta_$$(notdir $(2:.checkmk=_checkmk))=$$(DEPS-$(2:.checkmk=))
 POST-$$(dir $(2:.checkmk=_checkmk))_meta_$$(notdir $(2:.checkmk=_checkmk))=$$(METAC_POST_META)