AC_CHECK_HEADERS([stdio_ext.h], [], [], [AC_INCLUDES_DEFAULT])
dnl check for pthreads
-AX_PTHREAD([HAVE_PTHREAD=yes], [HAVE_PTHREAD=no])
-AM_CONDITIONAL(HAVE_PTHREAD, test "x$HAVE_PTHREAD" = "xyes")
+dnl without arguments AX_PTHREAD() will do AC_DEFINE(HAVE_PTHREAD)
+dnl which later checks use in their test code
+AX_PTHREAD()
+AM_CONDITIONAL(HAVE_PTHREAD, test "x$ax_pthread_ok" = "xyes")
dnl check for sys/prctl for setting thread name on Linux
AC_CHECK_HEADERS([sys/prctl.h], [], [], [AC_INCLUDES_DEFAULT])
+dnl check for sys/uio.h for writev()
+AC_CHECK_HEADERS([sys/uio.h], [], [], [AC_INCLUDES_DEFAULT])
+
dnl Check for valgrind.h
dnl separate from HAVE_VALGRIND because you can have the program, but not
dnl the dev package
libs/gst/base/Makefile
libs/gst/check/Makefile
libs/gst/check/libcheck/Makefile
-libs/gst/check/libcheck/check.h
+libs/gst/check/internal-check.h:libs/gst/check/libcheck/check.h.in
libs/gst/controller/Makefile
libs/gst/helpers/Makefile
libs/gst/net/Makefile