Add $(AM_V_GEN), and use $(SED).
AC_PROG_CXX
AC_STDC_HEADERS
AC_PROG_CXX
AC_STDC_HEADERS
AC_PATH_PROG([GLIB_GENMARSHAL], [glib-genmarshal])
AC_PATH_PROG([GLIB_MKENUMS],[glib-mkenums])
AC_PATH_PROG([GLIB_GENMARSHAL], [glib-genmarshal])
AC_PATH_PROG([GLIB_MKENUMS],[glib-mkenums])
service_DATA = $(service_in_files:.service.in=.service)
$(service_DATA): $(service_in_files) Makefile
service_DATA = $(service_in_files:.service.in=.service)
$(service_DATA): $(service_in_files) Makefile
- @sed -e "s|\@libexecdir\@|$(libexecdir)|" $< > $@
+ $(AM_V_GEN) $(SED) -e "s|\@libexecdir\@|$(libexecdir)|" $< > $@