target/cortex_m,hla_target: rework Cortex-M register handling part 4

[fw/openocd] / configure.ac

diff --git a/configure.ac b/configure.ac
index 47a167e282e44baba8d78e21daa1c7acaba2b345..3e49213cc4eec0d677e37ab8c2b99c17e865d70c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -44,6 +44,7 @@ AC_TYPE_LONG_LONG_INT
 
 AC_SEARCH_LIBS([ioperm], [ioperm])
 AC_SEARCH_LIBS([dlopen], [dl])
+AC_SEARCH_LIBS([openpty], [util])
 
 AC_CHECK_HEADERS([sys/socket.h])
 AC_CHECK_HEADERS([elf.h])
@@ -669,7 +670,11 @@ for hidapi_lib in hidapi hidapi-hidraw hidapi-libusb; do
        ])
 done
 
-PKG_CHECK_MODULES([LIBFTDI], [libftdi1], [use_libftdi=yes], [
+PKG_CHECK_MODULES([LIBFTDI], [libftdi1], [
+       use_libftdi=yes
+       PKG_CHECK_EXISTS([libftdi1 >= 1.5],
+               [AC_DEFINE([HAVE_LIBFTDI_TCIOFLUSH], [1], [Define if your libftdi has ftdi_tcioflush()])])
+  ], [
        PKG_CHECK_MODULES([LIBFTDI], [libftdi], [use_libftdi=yes], [use_libftdi=no])
 ])