configure.ac

#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

AC_MSG_CHECKING([for ftd2xx FT232H device support])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include "confdefs.h"
#if IS_WIN32
#include "windows.h"
#endif
#include <stdio.h>
#include <ftd2xx.h>

DWORD x = FT_DEVICE_232H;
    ]], [])], [
      AC_DEFINE([HAS_ENUM_FT232H], [1],
        [Support FT232H with FTD2XX or libftdi.])
      has_enum_ft232h=yes
    ], [
      has_enum_ft232h=no
    ])
  AC_MSG_RESULT([$has_enum_ft232h])

  if test $has_enum_ft232h = no; then
    AC_MSG_WARN([You need a newer FTD2XX driver (version 2.08.12 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([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <ftdi.h>
  ]], [[
  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([AC_LANG_PROGRAM([[
#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

AC_MSG_CHECKING([for libftdi FT232H device support])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <ftdi.h>
  ]], [[
enum ftdi_chip_type x = TYPE_232H;
    ]])], [
      AC_DEFINE([HAS_ENUM_FT232H], [1],
        [Support FT232H with FTD2XX or libftdi.])
      has_enum_ft232h=yes
    ], [
      has_enum_ft232h=no
    ])
    AC_MSG_RESULT([$has_enum_ft232h])

    if test $has_enum_ft232h = no; then
      AC_MSG_WARN([You need a newer libftdi version (0.20 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_vsllink = yes -o $build_usbprog = yes -o \
  $build_rlink = yes -o $build_ulink = yes -o $build_armjtagew = yes
then
  build_usb=yes
fi

# Check for libusb1 ported drivers.
build_usb_ng=no
if test $build_jlink = yes -o $build_stlink = yes -o $build_osbdm = yes -o \
  $build_opendous = yes -o $build_ftdi = yes
then
  build_usb_ng=yes
fi

# check for libusb library if necessary
use_libusb0=no
use_libusb1=no
if test $build_usb = yes -o $build_usb_ng = yes; then
  if test $check_libusb0 = no -a $build_usb_ng = yes; then
	AC_CHECK_HEADER([libusb-1.0/libusb.h],
			[AC_DEFINE(HAVE_LIBUSB1, 1, [Define if you have libusb-1.0]) check_libusb0=no use_libusb1=yes ],
			[ check_libusb0=yes use_libusb1=no ])
  fi

  if test $check_libusb0 = yes -o $build_usb = yes; then
	AC_CHECK_HEADERS([usb.h], [use_libusb0=yes],
			[AC_MSG_ERROR([libusb or libusb-1.0 are required to build some OpenOCD driver(s)])])
  fi
fi

AM_CONDITIONAL([RELEASE], [test $build_release = yes])
AM_CONDITIONAL([PARPORT], [test $build_parport = yes])
AM_CONDITIONAL([DUMMY], [test $build_dummy = yes])
AM_CONDITIONAL([GIVEIO], [test x$parport_use_giveio = xyes])
AM_CONDITIONAL([EP93XX], [test $build_ep93xx = yes])
AM_CONDITIONAL([ZY1000], [test $build_zy1000 = yes])
AM_CONDITIONAL([ZY1000_MASTER], [test $build_zy1000_master = yes])
AM_CONDITIONAL([IOUTIL], [test $build_ioutil = yes])
AM_CONDITIONAL([AT91RM9200], [test $build_at91rm9200 = yes])
AM_CONDITIONAL([BITBANG], [test $build_bitbang = yes])
AM_CONDITIONAL([FT2232_LIBFTDI], [test $build_ft2232_libftdi = yes])
AM_CONDITIONAL([FT2232_DRIVER], [test $build_ft2232_ftd2xx = yes -o $build_ft2232_libftdi = yes])
AM_CONDITIONAL([FTDI_DRIVER], [test $build_ftdi = yes])
AM_CONDITIONAL([USB_BLASTER_LIBFTDI], [test $build_usb_blaster_libftdi = yes])
AM_CONDITIONAL([USB_BLASTER_DRIVER], [test $build_usb_blaster_ftd2xx = yes -o $build_usb_blaster_libftdi = yes])
AM_CONDITIONAL([AMTJTAGACCEL], [test $build_amtjtagaccel = yes])
AM_CONDITIONAL([GW16012], [test $build_gw16012 = yes])
AM_CONDITIONAL([PRESTO_LIBFTDI], [test $build_presto_libftdi = yes])
AM_CONDITIONAL([PRESTO_DRIVER], [test $build_presto_ftd2xx = yes -o $build_presto_libftdi = yes])
AM_CONDITIONAL([USBPROG], [test $build_usbprog = yes])
AM_CONDITIONAL([OOCD_TRACE], [test $build_oocd_trace = yes])
AM_CONDITIONAL([JLINK], [test $build_jlink = yes])
AM_CONDITIONAL([VSLLINK], [test $build_vsllink = yes])
AM_CONDITIONAL([RLINK], [test $build_rlink = yes])
AM_CONDITIONAL([ULINK], [test $build_ulink = yes])
AM_CONDITIONAL([ARMJTAGEW], [test $build_armjtagew = yes])
AM_CONDITIONAL([REMOTE_BITBANG], [test $build_remote_bitbang = yes])
AM_CONDITIONAL([BUSPIRATE], [test $build_buspirate = yes])
AM_CONDITIONAL([STLINK], [test $build_stlink = yes])
AM_CONDITIONAL([OSBDM], [test $build_osbdm = yes])
AM_CONDITIONAL([OPENDOUS], [test $build_opendous = yes])
AM_CONDITIONAL([USB], [test $build_usb = yes])
AM_CONDITIONAL([USB_NG], [test $build_usb_ng = yes])
AM_CONDITIONAL([USE_LIBUSB0], [test $use_libusb0 = yes])
AM_CONDITIONAL([USE_LIBUSB1], [test $use_libusb1 = yes])
AM_CONDITIONAL([IS_CYGWIN], [test $is_cygwin = yes])
AM_CONDITIONAL([IS_MINGW], [test $is_mingw = ye]s)
AM_CONDITIONAL([IS_WIN32], [test $is_win32 = ye]s)
AM_CONDITIONAL([IS_DARWIN], [test $is_darwin = ye]s)
AM_CONDITIONAL([BITQ], [test $build_bitq = yes])

AM_CONDITIONAL([MINIDRIVER], [test $build_minidriver = ye]s)
AM_CONDITIONAL([MINIDRIVER_DUMMY], [test $build_minidriver_dummy = yes])

AM_CONDITIONAL([INTERNAL_JIMTCL], [test $use_internal_jimtcl = yes])

# Look for environ alternatives.  Possibility #1: is environ in unistd.h or stdlib.h?
AC_MSG_CHECKING([for environ in unistd.h and stdlib.h])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#define _GNU_SOURCE
#include <unistd.h>
#include <stdlib.h>
  ]], [[char **ep = environ;]]
  )], [
    AC_MSG_RESULT([yes])
    has_environ=yes
  ], [
    AC_MSG_RESULT([no])

    # Possibility #2: can environ be found in an available library?
    AC_MSG_CHECKING([for extern environ])
    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
    extern char **environ;
    ]], [[char **ep = environ;]]
      )], [
        AC_DEFINE(NEED_ENVIRON_EXTERN, [1], [Must declare 'environ' to use it.])
        has_environ=yes
      ], [
        has_environ=no
      ])
    AC_MSG_RESULT([${has_environ}])
  ])

if test "${has_environ}" != "yes" ; then
  AC_MSG_FAILURE([Could not find 'environ' in unistd.h or available libraries.])
fi

AC_DEFINE([_GNU_SOURCE],[1],[Use GNU C library extensions (e.g. stdndup).])

# set default gcc warnings
GCC_WARNINGS="-Wall -Wstrict-prototypes -Wformat-security -Wshadow"
if test "${gcc_wextra}" = yes; then
  GCC_WARNINGS="${GCC_WARNINGS} -Wextra -Wno-unused-parameter"
  GCC_WARNINGS="${GCC_WARNINGS} -Wbad-function-cast"
  GCC_WARNINGS="${GCC_WARNINGS} -Wcast-align"
  GCC_WARNINGS="${GCC_WARNINGS} -Wredundant-decls"
fi
if test "${gcc_werror}" = yes; then
  GCC_WARNINGS="${GCC_WARNINGS} -Werror"
fi

# overide default gcc cflags
if test $gcc_warnings = yes; then
  CFLAGS="$CFLAGS $GCC_WARNINGS"
fi

# Setup for compiling build tools
AC_MSG_CHECKING([for a C compiler for build tools])
if test $cross_compiling = yes; then
  AC_CHECK_PROGS(CC_FOR_BUILD, gcc cc)
  CFLAGS_FOR_BUILD="-g -O2 $GCC_WARNINGS"
else
  CC_FOR_BUILD=$CC
  CFLAGS_FOR_BUILD=$CFLAGS
fi

AC_MSG_RESULT([$CC_FOR_BUILD])
AC_SUBST([CC_FOR_BUILD])
AC_SUBST([CFLAGS_FOR_BUILD])

AC_MSG_CHECKING([for suffix of executable build tools])
if test $cross_compiling = yes; then
  cat >conftest.c <<\_______EOF
int main ()
{
  exit (0);
}
_______EOF
  for i in .exe ""; do
    compile="$CC_FOR_BUILD conftest.c -o conftest$i"
    if AC_TRY_EVAL(compile); then
      if (./conftest) 2>&AC_FD_CC; then
        EXEEXT_FOR_BUILD=$i
        break
      fi
    fi
  done
  rm -f conftest*
  if test "${EXEEXT_FOR_BUILD+set}" != set; then
    AC_MSG_ERROR([Cannot determine suffix of executable build tools])
  fi
else
  EXEEXT_FOR_BUILD=$EXEEXT
fi
AC_MSG_RESULT([$EXEEXT_FOR_BUILD])
AC_SUBST([EXEEXT_FOR_BUILD])

AC_CONFIG_FILES([
  Makefile
  src/Makefile
  src/helper/Makefile
  src/jtag/Makefile
  src/jtag/drivers/Makefile
  src/jtag/stlink/Makefile
  src/transport/Makefile
  src/xsvf/Makefile
  src/svf/Makefile
  src/target/Makefile
  src/rtos/Makefile
  src/server/Makefile
  src/flash/Makefile
  src/flash/nor/Makefile
  src/flash/nand/Makefile
  src/pld/Makefile
  doc/Makefile
])
AC_OUTPUT