+########################################################################### oss
+OLD_CPPFLAGS="$CPPFLAGS"
+OLD_LD_FLAGS="$LDFLAGS"
+OLD_LIBS="$LIBS"
+
+have_oss="yes"
+msg="=> will not build para_fade/oss writer"
+
+AC_CHECK_HEADER(sys/soundcard.h, [
+ extras="$extras para_fade"
+ all_executables="$all_executables fade"
+ all_errlist_objs="$all_errlist_objs oss_write"
+ audiod_errlist_objs="$audiod_errlist_objs oss_write"
+ audiod_cmdline_objs="$audiod_cmdline_objs add_cmdline(oss_write)"
+
+ write_errlist_objs="$write_errlist_objs oss_write"
+ write_cmdline_objs="$write_cmdline_objs add_cmdline(oss_write)"
+ writers="$writers oss"
+ default_writer="OSS_WRITE"
+ AC_CHECK_LIB(ossaudio, _oss_ioctl, [
+ audiod_ldflags="$audiod_ldflags -lossaudio"
+ write_ldflags="$write_ldflags -lossaudio"
+ fade_ldflags="$write_ldflags -lossaudio"
+ ]
+ )
+ ],
+ [
+ have_oss="no"
+ AC_MSG_WARN([no sys/soundcard.h $msg])
+ ]
+)
+CPPFLAGS="$OLD_CPPFLAGS"
+LDFLAGS="$OLD_LDFLAGS"
+LIBS="$OLD_LIBS"
+