+if test $build_ft2232_ftd2xx = yes -o $build_presto_ftd2xx = yes ; then
+ AC_MSG_CHECKING([for libftd2xx.a (darwin)])
+
+ if test ! -f /usr/local/include/ftd2xx.h ; then
+ AC_MSG_ERROR([ftd2xx library from FTDICHIP.com seems to be missing, cannot find: /usr/local/include/ftd2xx.h])
+ fi
+
+ CFLAGS="$CFLAGS -I/usr/local/include"
+ LDFLAGS="$LDFLAGS -L/usr/local/lib"
+ LIBS="$LIBS -lftd2xx"
+ AC_MSG_RESULT([-L/usr/local/lib -lftd2xx])
+fi
+fi # darwin
+
+if test $is_win32 = no && test $is_darwin = no ; then
+
+if test "${with_ftd2xx_win32_zipdir+set}" = set
+then
+ AC_MSG_ERROR([The option: --with-ftd2xx-win32-zipdir is for win32 only])
+fi
+
+if test $build_ft2232_ftd2xx = yes -o $build_presto_ftd2xx = yes ; then
+ # Must be linux
+ if test $host_os != linux-gnu && test $host_os != linux ; then
+ AC_MSG_ERROR([The (linux) ftd2xx library from FTDICHIP.com is linux only. Try --enable-ft2232-libftdi instead])
+ fi
+ # Are we given a TAR directory?
+ if test "${with_ftd2xx_linux_tardir+set}" = set
+ then
+ AC_MSG_CHECKING([uninstalled ftd2xx distribution])
+ # The .H file is simple..
+ FTD2XX_H=$with_ftd2xx_linux_tardir/ftd2xx.h
+ if test ! -f "${FTD2XX_H}"; then
+ AC_MSG_ERROR([Option: --with-ftd2xx-linux-tardir appears wrong, cannot find: ${FTD2XX_H}])
+ fi
+ CFLAGS="$CFLAGS -I$with_ftd2xx_linux_tardir"
+ FTD2XX_LDFLAGS="-L$with_ftd2xx_linux_tardir"
+ FTD2XX_LIB="-lftd2xx"
+ if test $with_ftd2xx_lib != shared; then
+ # Test #1 - Future proof - if/when ftdichip fixes their distro.
+ # Try it with the simple ".a" suffix.
+ FTD2XX_LIB="$with_ftd2xx_linux_tardir/static_lib/libftd2xx.a"
+ if test -f "${FTD2XX_LIB}"; then
+ FTD2XX_LDFLAGS="${FTD2XX_LDFLAGS}/static_lib"
+ else
+ # Test Number2.
+ # Grr.. perhaps it exists as a version number?
+ FTD2XX_LIB="$with_ftd2xx_linux_tardir/static_lib/libftd2xx.a.*.*.*"
+ count=`ls ${FTD2XX_LIB} | wc -l`
+ if test $count -gt 1 ; then
+ AC_MSG_ERROR([Multiple libftd2xx.a files found in: $with_ftd2xx_linux_tardir/static_lib sorry cannot handle this yet])
+ fi
+ if test $count -ne 1 ; then
+ AC_MSG_ERROR([Not found: $f, option: --with-ftd2xx-linux-tardir appears to be wrong])
+ fi
+ # Because the "-l" rules do not understand version numbers...
+ # we will just stuff the absolute path onto the LIBS variable
+ FTD2XX_LIB="`ls ${FTD2XX_LIB}` -lpthread"
+ FTD2XX_LDFLAGS=""
+ fi
+ fi
+ LDFLAGS="${LDFLAGS} ${FTD2XX_LDFLAGS}"
+ LIBS="${LIBS} ${FTD2XX_LIB}"
+ AC_MSG_RESULT([${FTD2XX_LDFLAGS} ${FTD2XX_LIB}])
+ else
+ AC_CHECK_HEADER([ftd2xx.h],[],[
+ AC_MSG_ERROR([You seem to be missing the FTD2xx driver header file.])
+ ])
+ AC_SEARCH_LIBS([FT_GetLibraryVersion],[ftd2xx],,[
+ AC_MSG_ERROR([You appear to be missing the FTD2xx driver library.])
+ ],[])
+ fi
+fi
+fi # linux
+
+if test $build_ft2232_ftd2xx = yes -o $build_presto_ftd2xx = yes; then
+
+# Before we go any further - make sure we can *BUILD* and *RUN*
+# a simple app with the "ftd2xx.lib" file - in what ever form we where given
+# We should be able to compile, link and run this test program now
+AC_MSG_CHECKING([whether ftd2xx library works])
+
+#
+# Save the LDFLAGS for later..
+LDFLAGS_SAVE=$LDFLAGS
+CFLAGS_SAVE=$CFLAGS
+_LDFLAGS=`eval echo $LDFLAGS`
+_CFLAGS=`eval echo $CFLAGS`
+LDFLAGS=$_LDFLAGS
+CFLAGS=$_CFLAGS
+
+AC_RUN_IFELSE([
+#include "confdefs.h"
+#if IS_WIN32
+#include "windows.h"
+#endif
+#include <stdio.h>
+#include <ftd2xx.h>
+
+int
+main( int argc, char **argv )
+{
+ DWORD x;
+ FT_GetLibraryVersion( &x );
+ return 0;
+}
+ ], [
+ AC_MSG_RESULT([Success!])
+ ], [
+ AC_MSG_ERROR([Cannot build & run test program using ftd2xx.lib])
+ ], [
+ AC_MSG_RESULT([Skipping as we are cross-compiling])
+ ])
+
+AC_MSG_CHECKING([for ftd2xx highspeed device support])
+AC_COMPILE_IFELSE([
+#include "confdefs.h"
+#if IS_WIN32
+#include "windows.h"
+#endif
+#include <stdio.h>
+#include <ftd2xx.h>
+DWORD x = FT_DEVICE_4232H;
+ ], [
+ AC_DEFINE(BUILD_FT2232_HIGHSPEED, [1],
+ [Support FT2232H/FT4232HS with FTD2XX or libftdi.])
+ build_ft2232_highspeed=yes
+ ], [
+ build_ft2232_highspeed=no
+ ])
+ AC_MSG_RESULT([$build_ft2232_highspeed])
+
+ if test $build_ft2232_highspeed = no; then
+ AC_MSG_WARN([You need a newer FTD2XX driver (version 2.04.16 or later).])
+ fi
+
+LDFLAGS=$LDFLAGS_SAVE
+CFLAGS=$CFLAGS_SAVE
+fi
+
+if test $build_ft2232_libftdi = yes ; then
+ # We assume: the package is preinstalled in the proper place
+ # these present as 2 libraries..
+ LIBS="$LIBS -lftdi -lusb"
+ #
+ # Try to build a small program.
+ AC_MSG_CHECKING([Build & Link with libftdi...])
+
+ LDFLAGS_SAVE=$LDFLAGS
+ CFLAGS_SAVE=$CFLAGS
+ _LDFLAGS=`eval echo $LDFLAGS`
+ _CFLAGS=`eval echo $CFLAGS`
+ LDFLAGS=$_LDFLAGS
+ CFLAGS=$_CFLAGS
+
+ AC_RUN_IFELSE([
+#include <stdio.h>
+#include <ftdi.h>
+
+int
+main( int argc, char **argv )
+{
+ struct ftdi_context *p;
+ p = ftdi_new();
+ if( p != NULL ){
+ return 0;
+ } else {
+ fprintf( stderr, "calling ftdi_new() failed\n");
+ return 1;
+ }
+}
+ ], [
+ AC_MSG_RESULT([Success])
+ ], [
+ AC_MSG_ERROR([Cannot build & run test program using libftdi])
+ ], [
+ AC_MSG_RESULT([Skipping as we are cross-compiling])
+ ])
+
+AC_MSG_CHECKING([for libftdi highspeed device support])
+AC_COMPILE_IFELSE([
+#include <stdio.h>
+#include <ftdi.h>
+enum ftdi_chip_type x = TYPE_2232H;
+ ], [
+ AC_DEFINE(BUILD_FT2232_HIGHSPEED, [1],
+ [Support FT2232H/FT4232HS with FTD2XX or libftdi.])
+ build_ft2232_highspeed=yes
+ ], [
+ build_ft2232_highspeed=no
+ ])
+ AC_MSG_RESULT([$build_ft2232_highspeed])
+
+ if test $build_ft2232_highspeed = no; then
+ AC_MSG_WARN([You need a newer libftdi version (0.16 or later).])
+ fi
+
+ # Restore the 'unexpanded ldflags'
+ LDFLAGS=$LDFLAGS_SAVE
+ CFLAGS=$CFLAGS_SAVE
+fi
+
+# check for usb.h when a driver will require it
+build_usb=no
+if test $build_jlink = yes -o $build_vsllink = yes -o $build_usbprog = yes -o \
+ $build_rlink = yes -o $build_armjtagew = yes
+then
+ AC_CHECK_HEADERS([usb.h],[],
+ [AC_MSG_ERROR([usb.h is required to build some OpenOCD driver(s)])])
+ build_usb=yes
+fi
+
+AM_CONDITIONAL(RELEASE, test $build_release = yes)