]> git.sur5r.net Git - openocd/blobdiff - configure.in
Add TRST support to xsvf tools. Courtesy of Dick Hollenbeck <dick@softplc.com>
[openocd] / configure.in
index fd2584bbf80bc40d95dd9f911aa22f81c5ab5297..7829083811d8a6d7d1dc10c4a3e6b370bd5e71f6 100644 (file)
@@ -1,12 +1,18 @@
 AC_PREREQ(2.59)
 AC_INIT(configure.in)
 
-AC_SEARCH_LIBS([ioperm], [ioperm])
-
 AC_CANONICAL_HOST
 
+AC_SEARCH_LIBS([ioperm], [ioperm])
+AC_SEARCH_LIBS([dlopen], [dl])
+
+AC_CHECK_HEADERS(jtag_minidriver.h)
 AC_CHECK_HEADERS(sys/param.h)
+AC_CHECK_HEADERS(sys/time.h)
 AC_CHECK_HEADERS(elf.h)
+AC_CHECK_HEADERS(strings.h)
+
+AC_HEADER_TIME
 
 AC_C_BIGENDIAN
 
@@ -14,17 +20,172 @@ AC_CHECK_FUNCS(strndup)
 AC_CHECK_FUNCS(strnlen)
 AC_CHECK_FUNCS(gettimeofday)
 AC_CHECK_FUNCS(usleep)
+AC_CHECK_FUNCS(vasprintf)
 
 build_bitbang=no
 build_bitq=no
 is_cygwin=no
 is_mingw=no
 is_win32=no
+build_release=yes
+
+AC_ARG_ENABLE(release,
+       AS_HELP_STRING([--enable-release], [Enable Release Build, default no]),
+       [build_release=$enableval], [build_release=no])
+
+if test $build_release = no; then
+       # check we can find guess-rev.sh
+       AC_CHECK_FILE("$srcdir/guess-rev.sh", build_release=no, build_release=yes)
+fi
+
+# We are not *ALWAYS* being installed in the standard place.
+# We may be installed in a "tool-build" specific location.
+# Normally with other packages - as part of a tool distro.
+# Thus - we should search that 'libdir' also.
+#
+# And - if we are being installed there - the odds are
+# The libraries unique to what we are are there too.
+#
+
+# Expand nd deal with NONE - just like configure will do later
+OCDprefix=$prefix
+OCDxprefix=$exec_prefix
+test x"$OCDprefix"  = xNONE && OCDprefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test x"$OCDxprefix" = xNONE && OCDxprefix="$OCDprefix"
+
+# what matters is the "exec-prefix"
+if test "$OCDxprefix" != "$ac_default_prefix"
+then
+    # We are installing in a non-standard place
+    # Nonstandard --prefix and/or --exec-prefix
+    # We have an override of some sort.
+    # use build specific install library dir
+    
+    LDFLAGS="$LDFLAGS -L$OCDxprefix/lib"
+    # RPATH becomes an issue on Linux only
+    if test $host_os = linux-gnu || test $host_os = linux ; then
+       LDFLAGS="$LDFLAGS -Wl,-rpath,$OCDxprefix/lib"
+    fi
+    # The "INCDIR" is also usable
+    CFLAGS="$CFLAGS -I$includedir"
+fi
+
+AC_ARG_WITH(ftd2xx,
+   AS_HELP_STRING([--with-ftd2xx=<PATH>],[This option has been removed.]),
+[
+# Option Given.
+cat << __EOF__
+
+The option: --with-ftd2xx=<PATH> has been removed replaced.
+On Linux, the new option is:
+  
+  --with-ftd2xx-linux-tardir=/path/to/files
+
+Where <path> is the path the the directory where the "tar.gz" file
+from FTDICHIP.COM was unpacked, for example:
+
+  --with-ftd2xx-linux-tardir=/home/duane/libftd2xx-linux-tardir=/home/duane/libftd2xx0.4.16
+
+On Cygwin/MingW32, the new option is:
+
+  --with-ftd2xx-win32-zipdir=/path/to/files
+
+Where <path> is the path to the directory where the "zip" file from
+FTDICHIP.COM was unpacked, for example:
+
+  --with-ftd2xx-win32-zipdir=/home/duane/ftd2xx.cdm.files
+
+__EOF__
+
+   AC_MSG_ERROR([Sorry Cannot continue])
+],
+[ 
+# Option not given
+true
+]
+)
+
+#========================================
+# FTD2XXX support comes in 3 forms.
+#    (1) win32 - via a zip file
+#    (2) linux - via a tar file
+#    (3) linux/cygwin/mingw - via libftdi
+#
+# In case (1) and (2) we need to know where the package was unpacked.
+
+AC_ARG_WITH(ftd2xx-win32-zipdir,
+  AS_HELP_STRING([--with-ftd2xx-win32-zipdir],[Where (CYGWIN/MINGW) the zip file from ftdichip.com was unpacked <default=search>]),
+  [
+  # option present
+  if test -d $with_ftd2xx_win32_zipdir
+  then
+       with_ftd2xx_win32_zipdir=`cd $with_ftd2xx_win32_zipdir && pwd`
+       AC_MSG_NOTICE([Using: ftdichip.com library: $with_ftd2xx_win32_zipdir])
+  else
+       AC_MSG_ERROR([Parameter to --with-ftd2xx-win32-zipdir is not a dir: $with_ftd2xx_win32_zipdir])
+  fi
+  ],
+  [
+  # not given
+  true
+  ]
+)
+
+AC_ARG_WITH(ftd2xx-linux-tardir,
+  AS_HELP_STRING([--with-ftd2xx-linux-tardir], [Where (Linux/Unix) the tar file from ftdichip.com was unpacked <default=search>]),
+  [
+  # Option present
+  if test $is_win32 = yes ; then
+     AC_MSG_ERROR([The option: --with-ftd2xx-linux-tardir is only usable on linux])
+  fi
+  if test -d $with_ftd2xx_linux_tardir
+  then
+       with_ftd2xx_linux_tardir=`cd $with_ftd2xx_linux_tardir && pwd`
+       AC_MSG_NOTICE([Using: ftdichip.com library: $with_ftd2xx_linux_tardir])
+  else
+       AC_MSG_ERROR([Parameter to --with-ftd2xx-linux-tardir is not a dir: $with_ftd2xx_linux_tardir])
+  fi
+  ],
+  [
+  # Not given 
+  true
+  ]
+)
+
+AC_ARG_WITH(ftd2xx-lib,
+       AS_HELP_STRING([--with-ftd2xx-lib], [Use static or shared ftd2xx libs on default static]),
+[
+case "$withval" in
+static)
+       with_ftd2xx_lib=$withval
+       ;;
+shared)
+       with_ftd2xx_lib=$withval
+       ;;
+*)
+       AC_MSG_ERROR([Option: --with-ftd2xx-lib=static or --with-ftd2xx-lib=shared not, $withval])
+       ;;
+esac
+],
+[
+       # Default is static - it is simpler :-(
+       with_ftd2xx_lib=static
+]
+)
+
+AC_ARG_ENABLE(gccwarnings,
+       AS_HELP_STRING([--enable-gccwarnings], [Enable compiler warnings, default yes]),
+       [gcc_warnings=$enableval], [gcc_warnings=yes])
 
 AC_ARG_ENABLE(parport,
   AS_HELP_STRING([--enable-parport], [Enable building the pc parallel port driver]), 
   [build_parport=$enableval], [build_parport=no])
 
+AC_ARG_ENABLE(dummy,
+  AS_HELP_STRING([--enable-dummy], [Enable building the dummy port driver]), 
+  [build_dummy=$enableval], [build_dummy=no])
+  
 case "${host_cpu}" in 
   i?86|x86*)
     AC_ARG_ENABLE(parport_ppdev,
@@ -37,17 +198,29 @@ case "${host_cpu}" in
 esac
 
 AC_ARG_ENABLE(ft2232_libftdi,
-  AS_HELP_STRING([--enable-ft2232_libftdi], [Enable building support for FT2232 based devices using the libftdi driver]), 
+  AS_HELP_STRING([--enable-ft2232_libftdi], [Enable building support for FT2232 based devices using the libftdi driver, opensource alternate of FTD2XX]), 
   [build_ft2232_libftdi=$enableval], [build_ft2232_libftdi=no])
 
 AC_ARG_ENABLE(ft2232_ftd2xx,
-  AS_HELP_STRING([--enable-ft2232_ftd2xx], [Enable building support for FT2232 based devices using the FTD2XX driver]), 
+  AS_HELP_STRING([--enable-ft2232_ftd2xx], [Enable building support for FT2232 based devices using the FTD2XX driver from ftdichip.com]), 
   [build_ft2232_ftd2xx=$enableval], [build_ft2232_ftd2xx=no])
  
 AC_ARG_ENABLE(amtjtagaccel,
   AS_HELP_STRING([--enable-amtjtagaccel], [Enable building the Amontec JTAG-Accelerator driver]), 
   [build_amtjtagaccel=$enableval], [build_amtjtagaccel=no])
 
+AC_ARG_ENABLE(ecosboard,
+  AS_HELP_STRING([--enable-ecosboard], [Enable building support for eCosBoard based JTAG debugger]), 
+  [build_ecosboard=$enableval], [build_ecosboard=no])
+
+AC_ARG_ENABLE(ioutil,
+  AS_HELP_STRING([--enable-ioutil], [Enable ioutil functions - useful for standalone OpenOCD implementations]), 
+  [build_ioutil=$enableval], [build_ioutil=no])
+
+AC_ARG_ENABLE(httpd,
+  AS_HELP_STRING([--enable-httpd], [Enable builtin httpd server - useful for standalone OpenOCD implementations]), 
+  [build_httpd=$enableval], [build_httpd=no])
+
 case "${host_cpu}" in 
   arm*)
     AC_ARG_ENABLE(ep93xx,
@@ -85,11 +258,17 @@ AC_ARG_ENABLE(oocd_trace,
   AS_HELP_STRING([--enable-oocd_trace], [Enable building support for the OpenOCD+trace ETM capture device]),
   [build_oocd_trace=$enableval], [build_oocd_trace=no])
 
-AC_ARG_WITH(ftd2xx,
-        [AS_HELP_STRING(--with-ftd2xx,
-           [Where libftd2xx can be found <default=search>])],
-        [],
-        with_ftd2xx=search)
+AC_ARG_ENABLE(jlink,
+  AS_HELP_STRING([--enable-jlink], [Enable building support for the Segger J-Link JTAG Programmer]),
+  [build_jlink=$enableval], [build_jlink=no])
+
+AC_ARG_ENABLE(vsllink,
+  AS_HELP_STRING([--enable-vsllink], [Enable building support for the Versaloon-Link JTAG Programmer]),
+  [build_vsllink=$enableval], [build_vsllink=no])
+
+AC_ARG_ENABLE(rlink,
+  AS_HELP_STRING([--enable-rlink], [Enable building support for the Raisonance RLink JTAG Programmer]),
+  [build_rlink=$enableval], [build_rlink=no])
 
 case $host in 
   *-cygwin*) 
@@ -134,6 +313,13 @@ else
   AC_DEFINE(BUILD_PARPORT, 0, [0 if you don't want parport.])
 fi
 
+if test $build_dummy = yes; then
+  build_bitbang=yes
+  AC_DEFINE(BUILD_DUMMY, 1, [1 if you want dummy driver.])
+else
+  AC_DEFINE(BUILD_DUMMY, 0, [0 if you don't want dummy driver.])
+fi
+
 if test $build_ep93xx = yes; then
   build_bitbang=yes
   AC_DEFINE(BUILD_EP93XX, 1, [1 if you want ep93xx.])
@@ -141,6 +327,25 @@ else
   AC_DEFINE(BUILD_EP93XX, 0, [0 if you don't want ep93xx.])
 fi
 
+if test $build_ecosboard = yes; then
+  build_bitbang=yes
+  AC_DEFINE(BUILD_ECOSBOARD, 1, [1 if you want eCosBoard.])
+else
+  AC_DEFINE(BUILD_ECOSBOARD, 0, [0 if you don't want eCosBoard.])
+fi
+
+if test $build_ioutil = yes; then
+  AC_DEFINE(BUILD_IOUTIL, 1, [1 if you want ioutils.])
+else
+  AC_DEFINE(BUILD_IOUTIL, 0, [0 if you don't want ioutils.])
+fi
+
+if test $build_httpd = yes; then
+  AC_DEFINE(BUILD_HTTPD, 1, [1 if you want httpd.])
+else
+  AC_DEFINE(BUILD_HTTPD, 0, [0 if you don't want httpd.])
+fi
+
 if test $build_at91rm9200 = yes; then
   build_bitbang=yes
   AC_DEFINE(BUILD_AT91RM9200, 1, [1 if you want at91rm9200.])
@@ -222,12 +427,224 @@ else
   AC_DEFINE(BUILD_OOCD_TRACE, 0, [0 if you don't want the OpenOCD+trace ETM capture driver.])
 fi
 
+if test $build_jlink = yes; then
+  AC_DEFINE(BUILD_JLINK, 1, [1 if you want the J-Link JTAG driver.])
+else
+  AC_DEFINE(BUILD_JLINK, 0, [0 if you don't want the J-Link JTAG driver.])
+fi
+
+if test $build_vsllink = yes; then
+  AC_DEFINE(BUILD_VSLLINK, 1, [1 if you want the Versaloon-Link JTAG driver.])
+else
+  AC_DEFINE(BUILD_VSLLINK, 0, [0 if you don't want the Versaloon-Link JTAG driver.])
+fi
+
+if test $build_rlink = yes; then
+  AC_DEFINE(BUILD_RLINK, 1, [1 if you want the RLink JTAG driver.])
+else
+  AC_DEFINE(BUILD_RLINK, 0, [0 if you don't want the RLink JTAG driver.])
+fi
+
+#-- Deal with MingW/Cygwin FTD2XX issues
+
+if test $is_win32 = yes; then
+if test "${with_ftd2xx_linux_tardir+set}" = set
+then
+   AC_MSG_ERROR([The option: with_ftd2xx_linux_tardir is for LINUX only.])
+fi
+
+if test $build_ft2232_ftd2xx = yes ; then
+AC_MSG_CHECKING([for ftd2xx.lib exists (win32)])
+
+   # if we are given a zipdir...
+   if test "${with_ftd2xx_win32_zipdir+set}" = set
+   then
+      # Set the CFLAGS for "ftd2xx.h"
+      f=$with_ftd2xx_win32_zipdir/ftd2xx.h
+      if test ! -f $f ; then
+        AC_MSG_ERROR([File: $f cannot be found])
+      fi
+      CFLAGS="$CFLAGS -I$with_ftd2xx_win32_zipdir"
+
+      # And calculate the LDFLAGS for the machine
+      case "$host_cpu" in
+      i?86|x86_*)
+       LDFLAGS="$LDFLAGS -L$with_ftd2xx_win32_zipdir/i386"
+       LIBS="$LIBS -lftd2xx"
+       f=$with_ftd2xx_win32_zipdir/i386/ftd2xx.lib
+       ;;
+      amd64)
+       LDFLAGS="$LDFLAGS -L$with_ftd2xx_win32_zipdir/amd64"
+       LIBS="$LIBS -lftd2xx"
+       f=$with_ftd2xx_win32_zipdir/amd64/ftd2xx.lib
+       ;;
+      *)
+       AC_MSG_ERROR([Unknown Win32 host cpu: $host_cpu])
+        ;;
+       esac
+       if test ! -f $f ; then
+                 AC_MSG_ERROR([Library: $f not found])
+       fi
+   else
+      LIBS="$LIBS -lftd2xx"
+      AC_MSG_WARN([ASSUMPTION: The (win32) FTDICHIP.COM files: ftd2xx.h and ftd2xx.lib are in a proper place])
+   fi
+fi
+fi
+
+if test $is_win32 = no; then
+
+if test "${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 ; then
+   AC_MSG_CHECKING([for libftd2xx.a (linux)])
+   # Must be linux -
+   # Cause FTDICHIP does not supply a MAC-OS version
+   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
+       # The .H file is simple..
+       f=$with_ftd2xx_linux_tardir/ftd2xx.h
+       if test ! -f $f ; then
+          AC_MSG_ERROR([Option: --with-ftd2xx-linux-tardir appears wrong, cannot find: $f])
+       fi
+       CFLAGS="$CFLAGS -I$with_ftd2xx_linux_tardir"
+       if test $with_ftd2xx_lib = shared
+       then
+           LDFLAGS="$LDFLAGS -L$with_ftd2xx_linux_tardir"
+           LIBS="$LIBS -lftd2xx"
+           AC_MSG_RESULT([ Assuming: -L$with_ftd2xx_linux_tardir -lftd2xx])
+       else
+           # Test #1 - Future proof - if/when ftdichip fixes their distro.
+           # Try it with the simple ".a" suffix.
+           f=$with_ftd2xx_linux_tardir/static_lib/libftd2xx.a
+           if test -f $f ; then
+              # Yea we are done
+              LDFLAGS="$LDFLAGS -L$with_ftd2xx_linux_tardir/static_lib"
+              LIBS="$LIBS -lftd2xx"
+            else
+              # Test Number2.
+              # Grr.. perhaps it exists as a version number?
+              f="$with_ftd2xx_linux_tardir/static_lib/libftd2xx.a.*.*.*"
+              count=`ls $f | 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
+              f=`ls $f`
+              #
+              LIBS="$LIBS $f -lpthread"
+              # No need to bother with LDFLAGS...
+           fi
+           AC_MSG_RESULT([Found: $f])
+        fi
+   else
+       LIBS="$LIBS -lftd2xx"
+       AC_MSG_RESULT([Assumed: installed])
+       AC_MSG_WARN([The (linux) FTDICHIP.COM files ftd2xx.h and libftd2xx.so are assumed to be in a proper place])
+   fi
+fi
+fi
+
+if test $build_ft2232_ftd2xx = yes; then
+
+# Before we go any further - make sure we can *BUILD* and *RUN*
+# a simple app with the "ftd2xx.lib" file - in what ever form we where given
+# We should be able to compile, link and run this test program now
+  AC_MSG_CHECKING([Test: Build & Link with ftd2xx])
+
+#
+# Save the LDFLAGS for later..
+LDFLAGS_SAVE=$LDFLAGS
+CFLAGS_SAVE=$CFLAGS
+_LDFLAGS=`eval echo $LDFLAGS`
+_CFLAGS=`eval echo $CFLAGS`
+LDFLAGS=$_LDFLAGS
+CFLAGS=$_CFLAGS
+  AC_RUN_IFELSE(
+[
+#include "confdefs.h"
+#if IS_WIN32
+#include "windows.h"
+#endif
+#include <stdio.h>
+#include <ftd2xx.h>
+
+int
+main( int argc, char **argv )
+{
+       DWORD x;
+       FT_GetLibraryVersion( &x );
+       return 0;
+}
+], [ AC_MSG_RESULT([Success!])] , [ AC_MSG_ERROR([Cannot build & run test program using ftd2xx.lib]) ] )
+LDFLAGS=$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=$_CFLAGS
+
+   AC_RUN_IFELSE(
+[
+#include <stdio.h>
+#include <ftdi.h>
+
+int
+main( int argc, char **argv )
+{
+       struct ftdi_context *p;
+       p = ftdi_new();
+       if( p != NULL ){
+           return 0;
+       } else {
+           fprintf( stderr, "calling ftdi_new() failed\n");
+           return 1;
+        }
+}
+]
+, 
+[ AC_MSG_RESULT([Success]) ]
+, 
+[ AC_MSG_ERROR([Cannot build & run test program using libftdi]) ] )
+# Restore the 'unexpanded ldflags'
+LDFLAGS=$LDFLAGS_SAVE
+CFLAGS=$CFLAGS_SAVE
+fi
+
 AM_CONFIG_HEADER(config.h)
 AM_INIT_AUTOMAKE(openocd, 1.0)
 
+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 $parport_use_giveio = yes)
 AM_CONDITIONAL(EP93XX, test $build_ep93xx = yes)
+AM_CONDITIONAL(ECOSBOARD, test $build_ecosboard = yes)
+AM_CONDITIONAL(IOUTIL, test $build_ioutil = yes)
+AM_CONDITIONAL(HTTPD, test $build_httpd = yes)
 AM_CONDITIONAL(AT91RM9200, test $build_at91rm9200 = yes)
 AM_CONDITIONAL(BITBANG, test $build_bitbang = yes)
 AM_CONDITIONAL(FT2232_LIBFTDI, test $build_ft2232_libftdi = yes)
@@ -238,16 +655,65 @@ AM_CONDITIONAL(PRESTO_LIBFTDI, test $build_presto_libftdi = yes)
 AM_CONDITIONAL(PRESTO_FTD2XX, test $build_presto_ftd2xx = 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(IS_CYGWIN, test $is_cygwin = yes)
 AM_CONDITIONAL(IS_MINGW, test $is_mingw = yes)
 AM_CONDITIONAL(IS_WIN32, test $is_win32 = yes)
-AM_CONDITIONAL(FTD2XXDIR, test $with_ftd2xx != search)
 AM_CONDITIONAL(BITQ, test $build_bitq = yes)
 
 AC_LANG_C
 AC_PROG_CC
 AC_PROG_RANLIB
 
-AC_SUBST(WITH_FTD2XX, $with_ftd2xx)
+# set default gcc warnings
+GCC_WARNINGS="-Wall -Wstrict-prototypes"
+
+# 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_OUTPUT(Makefile src/Makefile src/helper/Makefile src/jtag/Makefile src/xsvf/Makefile src/target/Makefile src/server/Makefile src/flash/Makefile src/pld/Makefile doc/Makefile)
+AC_OUTPUT(Makefile src/Makefile src/helper/Makefile src/jtag/Makefile src/xsvf/Makefile src/svf/Makefile src/target/Makefile src/server/Makefile src/flash/Makefile src/pld/Makefile doc/Makefile)