libpthread/nptl_db: Append options to LDFLAGS based on if LD is set to gcc driver or ld itself

Signed-off-by: Khem Raj <raj.khem@gmail.com>

libpthread/nptl_db/Makefile.in

@@ -12,8 +12,7 @@ CFLAGS-nptl_db := -DLIBPTHREAD_SO="\"libpthread.so.$(ABI_VERSION)\""
 CFLAGS-nptl_db += -I$(top_srcdir)libpthread/nptl -D_GNU_SOURCE
 CFLAGS-nptl_db += -DIS_IN_libthread_db=1 -DNOT_IN_libc -std=gnu99 -I$(top_srcdir)ldso/include
 
-LDFLAGS-libthread_db.so := $(LDFLAGS_NOSTRIP) -s --warn-unresolved-symbols
-
+LDFLAGS-libthread_db.so := $(LDFLAGS_NOSTRIP) $(if $(call check_ld,--warn-unresolved-symbols),-Wl$(comma)--warn-unresolved-symbols)
 LIBS-libthread_db.so := $(LIBS)
 
 libthread_db_FULL_NAME := libthread_db-$(VERSION).so