libpthread is used on non-NPTL systems for test suite runs. like atmel ngw100

package/libpthread/Makefile

@@ -34,11 +34,9 @@ INSTALL_STYLE:=		manual
 libpthread-install:
 ifneq ($(ADK_TARGET_LIB_MUSL),y)
 ifneq ($(ADK_TARGET_USE_STATIC_LIBS),y)
-ifeq ($(ADK_TARGET_WITH_NPTL),y)
 	${INSTALL_DIR} ${IDIR_LIBPTHREAD}/$(ADK_TARGET_LIBC_PATH)
 	${CP} ${STAGING_TARGET_DIR}/lib/libpthread*.so* ${IDIR_LIBPTHREAD}/$(ADK_TARGET_LIBC_PATH)
 endif
 endif
-endif
 
 include ${ADK_TOPDIR}/mk/pkg-bottom.mk