build: export library dependencies in ${name}_FFLIBS

Removes an ugly $(if) to avoid conflicts with $(FFLIBS-) in the
top-level MAkefile.

common.mak

@@ -8,7 +8,7 @@ all: all-yes
 include $(SRC_PATH)/arch.mak
 
 OBJS      += $(OBJS-yes)
-FFLIBS    := $(FFLIBS-$(if $(NAME),$(NAME),no)) $(FFLIBS-yes) $(FFLIBS)
+FFLIBS    := $($(NAME)_FFLIBS) $(FFLIBS-yes) $(FFLIBS)
 TESTPROGS += $(TESTPROGS-yes)
 
 LDLIBS       = $(FFLIBS:%=%$(BUILDSUF))

configure

@@ -4604,7 +4604,7 @@ get_version(){
 
 map 'get_version $v' $LIBRARY_LIST
 
-map 'eval echo "FFLIBS-${v}=\$${v}_deps" >> config.mak' $LIBRARY_LIST
+map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
 
 print_program_libs(){
     eval "program_libs=\$${1}_libs"