made a change to avoid duplication of LDFLAGS

Author: aodinokov

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

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

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

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

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)

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)