Use system byteswap implementations where available.

[debian/gnuradio] / configure.ac

diff --git a/configure.ac b/configure.ac
index 529d91e77ea18ee59b0836f64a54dc7bdf8c0bd0..4dc4e18739db41fd5246a09ceb65cd406c369f13 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -128,7 +128,13 @@ AC_CHECK_HEADERS(linux/ppdev.h dev/ppbus/ppi.h sys/mman.h sys/select.h sys/types
 AC_CHECK_HEADERS(sys/resource.h stdint.h sched.h signal.h sys/syscall.h)
 AC_CHECK_HEADERS(netinet/in.h)
 AC_CHECK_HEADERS(windows.h)
+
+dnl Allow creating autoconf independent header files for bytesex routines
+AC_CHECK_HEADER(arpa/inet.h, [GR_HAVE_ARPA_INET=1],[GR_HAVE_ARPA_INET=0])
+AC_CHECK_HEADER(netinet/in.h, [GR_HAVE_NETINET_IN=1],[GR_HAVE_NETINET_IN=0])
 AC_CHECK_HEADER(byteswap.h, [GR_HAVE_BYTESWAP=1],[GR_HAVE_BYTESWAP=0])
+AC_SUBST(GR_HAVE_ARPA_INET)
+AC_SUBST(GR_HAVE_NETINET_IN)
 AC_SUBST(GR_HAVE_BYTESWAP)
 
 dnl Checks for typedefs, structures, and compiler characteristics.