Added defaults for cross compiling

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@1043 4a8a32a2-be11-0410-ad9d-d568d2c75423

diff --git a/packihx/configure b/packihx/configure
index b01c173f48cf6e19c59e579a1611bbf2b2f37f98..c15437d7978cd199c2eba8e352f4ddcae2c5041a 100755 (executable)
--- a/packihx/configure
+++ b/packihx/configure
@@ -747,18 +747,24 @@ else
 fi
 
 
+# Defaults are for gcc on a 32 bit machine
+if test "$ac_cv_prog_cc_cross" = "yes"; then
+  echo "configure: warning: "Cannot determine the sizeof basic types while cross compiling.  Using gcc on a 32 bit machine defaults."" 1>&2
+fi
+
 echo $ac_n "checking size of char""... $ac_c" 1>&6
-echo "configure:752: checking size of char" >&5
+echo "configure:757: checking size of char" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_char'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
-    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+  ac_cv_sizeof_char=1
 else
   cat > conftest.$ac_ext <<EOF
-#line 760 "configure"
+#line 765 "configure"
 #include "confdefs.h"
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -767,7 +773,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:777: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_char=`cat conftestval`
 else
@@ -787,17 +793,18 @@ EOF
 
 
 echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:791: checking size of short" >&5
+echo "configure:797: checking size of short" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
-    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+  ac_cv_sizeof_short=2
 else
   cat > conftest.$ac_ext <<EOF
-#line 799 "configure"
+#line 805 "configure"
 #include "confdefs.h"
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -806,7 +813,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:810: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:817: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_short=`cat conftestval`
 else
@@ -826,17 +833,18 @@ EOF
 
 
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:830: checking size of int" >&5
+echo "configure:837: checking size of int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
-    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+  ac_cv_sizeof_int=4
 else
   cat > conftest.$ac_ext <<EOF
-#line 838 "configure"
+#line 845 "configure"
 #include "confdefs.h"
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -845,7 +853,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:849: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:857: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_int=`cat conftestval`
 else
@@ -865,17 +873,18 @@ EOF
 
 
 echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:869: checking size of long" >&5
+echo "configure:877: checking size of long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
-    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+  ac_cv_sizeof_long=4
 else
   cat > conftest.$ac_ext <<EOF
-#line 877 "configure"
+#line 885 "configure"
 #include "confdefs.h"
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -884,7 +893,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:897: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long=`cat conftestval`
 else
@@ -904,17 +913,18 @@ EOF
 
 
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:908: checking size of long long" >&5
+echo "configure:917: checking size of long long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
-    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+  ac_cv_sizeof_long_long=8
 else
   cat > conftest.$ac_ext <<EOF
-#line 916 "configure"
+#line 925 "configure"
 #include "confdefs.h"
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -923,7 +933,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:927: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:937: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -969,11 +979,11 @@ type_name()
 }
 
 echo $ac_n "checking type name for byte""... $ac_c" 1>&6
-echo "configure:973: checking type name for byte" >&5
+echo "configure:983: checking type name for byte" >&5
 TYPE_BYTE=`type_name 1`
 echo "$ac_t""$TYPE_BYTE" 1>&6
 echo $ac_n "checking type name for word""... $ac_c" 1>&6
-echo "configure:977: checking type name for word" >&5
+echo "configure:987: checking type name for word" >&5
 TYPE_WORD=`type_name 2`
 echo "$ac_t""$TYPE_WORD" 1>&6
 cat >> confdefs.h <<EOF

diff --git a/packihx/configure.in b/packihx/configure.in
index 63e8c7c6f18b5246fb4ae76c6ddd62a05536cf4c..eb12f16f290a933d4f57634972ec271e0456733d 100644 (file)
--- a/packihx/configure.in
+++ b/packihx/configure.in
@@ -4,11 +4,16 @@ AC_PREREQ(2.13)
 
 AC_PROG_CC
 
-AC_CHECK_SIZEOF(char)
-AC_CHECK_SIZEOF(short)
-AC_CHECK_SIZEOF(int)
-AC_CHECK_SIZEOF(long)
-AC_CHECK_SIZEOF(long long)
+# Defaults are for gcc on a 32 bit machine
+if test "$ac_cv_prog_cc_cross" = "yes"; then
+  AC_MSG_WARN("Cannot determine the sizeof basic types while cross compiling.  Using gcc on a 32 bit machine defaults.")
+fi
+
+AC_CHECK_SIZEOF(char, 1)
+AC_CHECK_SIZEOF(short, 2)
+AC_CHECK_SIZEOF(int, 4)
+AC_CHECK_SIZEOF(long, 4)
+AC_CHECK_SIZEOF(long long, 8)
 
 type_name()
 {

diff --git a/sim/ucsim/configure b/sim/ucsim/configure
index 87912927cd817285d516a396ba2065e10551def3..5662422e5967a1142021f6f5d15a6cf6ba85f0fa 100755 (executable)
--- a/sim/ucsim/configure
+++ b/sim/ucsim/configure
@@ -2247,15 +2247,26 @@ EOF
 
 # Checking characteristics of compilers and other programs
 # --------------------------------------------------------
+
+# Cross compiling overrides
+if test "$CC" = "i586-mingw32msvc-gcc"; then
+  ac_cv_c_bigendian=no
+  ac_cv_sizeof_char=1
+  ac_cv_sizeof_short=2
+  ac_cv_sizeof_int=4 
+  ac_cv_sizeof_long=4
+  ac_cv_sizeof_long_long=4
+fi
+
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:2252: checking whether byte ordering is bigendian" >&5
+echo "configure:2263: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 2259 "configure"
+#line 2270 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -2266,11 +2277,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:2270: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2281: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 2274 "configure"
+#line 2285 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -2281,7 +2292,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:2285: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2296: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -2301,7 +2312,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2305 "configure"
+#line 2316 "configure"
 #include "confdefs.h"
 #ifdef __cplusplus
 extern "C" void exit(int);
@@ -2317,7 +2328,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:2321: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2332: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -2341,7 +2352,7 @@ EOF
 fi
 
 echo $ac_n "checking whether preprocessor accepts -MM or -M""... $ac_c" 1>&6
-echo "configure:2345: checking whether preprocessor accepts -MM or -M" >&5
+echo "configure:2356: checking whether preprocessor accepts -MM or -M" >&5
 if eval "test \"`echo '$''{'ucsim_cv_MM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2364,7 +2375,7 @@ M_OR_MM=$ucsim_cv_MM
 
 
 echo $ac_n "checking whether $CXX accepts -ggdb""... $ac_c" 1>&6
-echo "configure:2368: checking whether $CXX accepts -ggdb" >&5
+echo "configure:2379: checking whether $CXX accepts -ggdb" >&5
 if eval "test \"`echo '$''{'ucsim_cv_CXXggdb'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2393,7 +2404,7 @@ fi
 
 
 echo $ac_n "checking whether $CXX accepts -pipe""... $ac_c" 1>&6
-echo "configure:2397: checking whether $CXX accepts -pipe" >&5
+echo "configure:2408: checking whether $CXX accepts -pipe" >&5
 if eval "test \"`echo '$''{'ucsim_cv_CXXpipe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2420,7 +2431,7 @@ PICOPT=""
 SHAREDLIB="no"
 
 echo $ac_n "checking whether $CXX accepts -fPIC""... $ac_c" 1>&6
-echo "configure:2424: checking whether $CXX accepts -fPIC" >&5
+echo "configure:2435: checking whether $CXX accepts -fPIC" >&5
 if eval "test \"`echo '$''{'ucsim_cv_CXXfPIC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2444,7 +2455,7 @@ if test "$ucsim_cv_CXXfPIC" = "yes"; then
 else
     
 echo $ac_n "checking whether $CXX accepts -fpic""... $ac_c" 1>&6
-echo "configure:2448: checking whether $CXX accepts -fpic" >&5
+echo "configure:2459: checking whether $CXX accepts -fpic" >&5
 if eval "test \"`echo '$''{'ucsim_cv_CXXfpic'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2477,13 +2488,14 @@ fi
 # Checks for typedefs, structures, and compiler characteristics.
 # ===========================================================================
 
+
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:2482: checking return type of signal handlers" >&5
+echo "configure:2494: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2487 "configure"
+#line 2499 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -2500,7 +2512,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:2504: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2516: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -2519,7 +2531,7 @@ EOF
 
 
 echo $ac_n "checking size of char""... $ac_c" 1>&6
-echo "configure:2523: checking size of char" >&5
+echo "configure:2535: checking size of char" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_char'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2527,12 +2539,13 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2531 "configure"
+#line 2543 "configure"
 #include "confdefs.h"
 #ifdef __cplusplus
 extern "C" void exit(int);
 #endif
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -2541,7 +2554,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2545: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2558: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_char=`cat conftestval`
 else
@@ -2561,7 +2574,7 @@ EOF
 
 
 echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:2565: checking size of short" >&5
+echo "configure:2578: checking size of short" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2569,12 +2582,13 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2573 "configure"
+#line 2586 "configure"
 #include "confdefs.h"
 #ifdef __cplusplus
 extern "C" void exit(int);
 #endif
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -2583,7 +2597,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2587: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2601: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_short=`cat conftestval`
 else
@@ -2603,7 +2617,7 @@ EOF
 
 
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:2607: checking size of int" >&5
+echo "configure:2621: checking size of int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2611,12 +2625,13 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2615 "configure"
+#line 2629 "configure"
 #include "confdefs.h"
 #ifdef __cplusplus
 extern "C" void exit(int);
 #endif
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -2625,7 +2640,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2629: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2644: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_int=`cat conftestval`
 else
@@ -2645,7 +2660,7 @@ EOF
 
 
 echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:2649: checking size of long" >&5
+echo "configure:2664: checking size of long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2653,12 +2668,13 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2657 "configure"
+#line 2672 "configure"
 #include "confdefs.h"
 #ifdef __cplusplus
 extern "C" void exit(int);
 #endif
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -2667,7 +2683,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2671: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2687: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long=`cat conftestval`
 else
@@ -2687,7 +2703,7 @@ EOF
 
 
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:2691: checking size of long long" >&5
+echo "configure:2707: checking size of long long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2695,12 +2711,13 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2699 "configure"
+#line 2715 "configure"
 #include "confdefs.h"
 #ifdef __cplusplus
 extern "C" void exit(int);
 #endif
 #include <stdio.h>
+#include <sys/types.h>
 main()
 {
   FILE *f=fopen("conftestval", "w");
@@ -2709,7 +2726,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2713: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2730: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -2755,15 +2772,15 @@ type_name()
 }
 
 echo $ac_n "checking type name for byte""... $ac_c" 1>&6
-echo "configure:2759: checking type name for byte" >&5
+echo "configure:2776: checking type name for byte" >&5
 TYPE_BYTE=`type_name 1`
 echo "$ac_t""$TYPE_BYTE" 1>&6
 echo $ac_n "checking type name for word""... $ac_c" 1>&6
-echo "configure:2763: checking type name for word" >&5
+echo "configure:2780: checking type name for word" >&5
 TYPE_WORD=`type_name 2`
 echo "$ac_t""$TYPE_WORD" 1>&6
 echo $ac_n "checking type name for dword""... $ac_c" 1>&6
-echo "configure:2767: checking type name for dword" >&5
+echo "configure:2784: checking type name for dword" >&5
 TYPE_DWORD=`type_name 4`
 echo "$ac_t""$TYPE_DWORD" 1>&6
 cat >> confdefs.h <<EOF

diff --git a/sim/ucsim/configure.in b/sim/ucsim/configure.in
index cb8ade102ad14bb3e4d24a0bcf0f6d224422c1c2..3f40289cda9589ba5b5d6c66d695e20a5f339667 100644 (file)
--- a/sim/ucsim/configure.in
+++ b/sim/ucsim/configure.in
@@ -229,6 +229,17 @@ rm -f _test_.* a.out)
 
 # Checking characteristics of compilers and other programs
 # --------------------------------------------------------
+
+# Cross compiling overrides
+if test "$CC" = "i586-mingw32msvc-gcc"; then
+  ac_cv_c_bigendian=no
+  ac_cv_sizeof_char=1
+  ac_cv_sizeof_short=2
+  ac_cv_sizeof_int=4 
+  ac_cv_sizeof_long=4
+  ac_cv_sizeof_long_long=4
+fi
+
 AC_C_BIGENDIAN
 AC_CACHE_CHECK(whether preprocessor accepts -MM or -M,ucsim_cv_MM,
 echo "#include <stdio.h>" >_test_.c
@@ -280,6 +291,7 @@ AC_SUBST(PICOPT)
 # Checks for typedefs, structures, and compiler characteristics.
 # ===========================================================================
 
+
 AC_TYPE_SIGNAL
 AC_CHECK_SIZEOF(char)
 AC_CHECK_SIZEOF(short)