From a4cdb62b48329082db6b43e33340722622f3260d Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Mon, 26 Mar 2012 14:29:32 +0000
Subject: fix gcc warning signed<->unsigned warning for cygwin

---
 generic/tclCmdAH.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/generic/tclCmdAH.c b/generic/tclCmdAH.c
index 02f398d..63d9111 100644
--- a/generic/tclCmdAH.c
+++ b/generic/tclCmdAH.c
@@ -1172,7 +1172,7 @@ Tcl_FileObjCmd(dummy, interp, objc, objv)
 		 * associated with a file, so we always return 1.
 		 */
 
-#if (defined(__WIN32__) || defined(MAC_TCL))
+#if defined(__WIN32__) || defined(MAC_TCL) || defined(__CYGWIN__)
 		value = 1;
 #else
 		value = (geteuid() == buf.st_uid);
-- 
cgit v0.12


From 077e22ea3fdf94b4658ffa043b411e2caab05bf4 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Mon, 26 Mar 2012 21:01:23 +0000
Subject: enable cygwin build in /win directory (using mingw-w64 compiler)

---
 win/configure    | 129 +++++++++++++++++++++++++++----------------------------
 win/configure.in |   7 ---
 win/tcl.m4       |  28 ++++++------
 3 files changed, 79 insertions(+), 85 deletions(-)

diff --git a/win/configure b/win/configure
index 57bc8e6..a649b9f 100755
--- a/win/configure
+++ b/win/configure
@@ -974,15 +974,8 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 
-if test "$ac_cv_cygwin" = "yes" ; then
-    { echo "configure: error: Compiling under Cygwin is not currently supported.
-A maintainer for the Cygwin port of Tcl/Tk is needed. See the README
-file for information about building with Mingw." 1>&2; exit 1; }
-fi
-
-
 echo $ac_n "checking for SEH support in compiler""... $ac_c" 1>&6
-echo "configure:986: checking for SEH support in compiler" >&5
+echo "configure:979: checking for SEH support in compiler" >&5
 if eval "test \"`echo '$''{'tcl_cv_seh'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -990,7 +983,7 @@ else
   tcl_cv_seh=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 994 "configure"
+#line 987 "configure"
 #include "confdefs.h"
 
 #define WIN32_LEAN_AND_MEAN
@@ -1009,7 +1002,7 @@ int main(int argc, char** argv) {
 }
 
 EOF
-if { (eval echo configure:1013: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1006: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_seh=yes
 else
@@ -1039,12 +1032,12 @@ fi
 # sufficient for getting the current code to work.
 #
 echo $ac_n "checking for EXCEPTION_DISPOSITION support in include files""... $ac_c" 1>&6
-echo "configure:1043: checking for EXCEPTION_DISPOSITION support in include files" >&5
+echo "configure:1036: checking for EXCEPTION_DISPOSITION support in include files" >&5
 if eval "test \"`echo '$''{'tcl_cv_eh_disposition'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1048 "configure"
+#line 1041 "configure"
 #include "confdefs.h"
 
 #define WIN32_LEAN_AND_MEAN
@@ -1057,7 +1050,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1061: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1054: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_eh_disposition=yes
 else
@@ -1083,12 +1076,12 @@ fi
 # typedefs like LPFN_ACCEPT and friends.
 #
 echo $ac_n "checking for LPFN_ACCEPT support in winsock2.h""... $ac_c" 1>&6
-echo "configure:1087: checking for LPFN_ACCEPT support in winsock2.h" >&5
+echo "configure:1080: checking for LPFN_ACCEPT support in winsock2.h" >&5
 if eval "test \"`echo '$''{'tcl_cv_lpfn_decls'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1092 "configure"
+#line 1085 "configure"
 #include "confdefs.h"
 
 #define WIN32_LEAN_AND_MEAN
@@ -1102,7 +1095,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1106: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1099: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_lpfn_decls=yes
 else
@@ -1128,12 +1121,12 @@ fi
 # used by mingw and cygwin is known to do this.
 
 echo $ac_n "checking for winnt.h that ignores VOID define""... $ac_c" 1>&6
-echo "configure:1132: checking for winnt.h that ignores VOID define" >&5
+echo "configure:1125: checking for winnt.h that ignores VOID define" >&5
 if eval "test \"`echo '$''{'tcl_cv_winnt_ignore_void'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1137 "configure"
+#line 1130 "configure"
 #include "confdefs.h"
 
 #define VOID void
@@ -1149,7 +1142,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1153: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1146: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_winnt_ignore_void=yes
 else
@@ -1181,12 +1174,12 @@ fi
 # call it from inline asm code.
 
 echo $ac_n "checking for alloca declaration in malloc.h""... $ac_c" 1>&6
-echo "configure:1185: checking for alloca declaration in malloc.h" >&5
+echo "configure:1178: checking for alloca declaration in malloc.h" >&5
 if eval "test \"`echo '$''{'tcl_cv_malloc_decl_alloca'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1190 "configure"
+#line 1183 "configure"
 #include "confdefs.h"
 
 #include <malloc.h>
@@ -1200,7 +1193,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1204: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1197: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_malloc_decl_alloca=yes
 else
@@ -1227,12 +1220,12 @@ fi
 # warning when initializing a union member.
 
 echo $ac_n "checking for cast to union support""... $ac_c" 1>&6
-echo "configure:1231: checking for cast to union support" >&5
+echo "configure:1224: checking for cast to union support" >&5
 if eval "test \"`echo '$''{'tcl_cv_cast_to_union'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1236 "configure"
+#line 1229 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1242,7 +1235,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1246: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1239: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_cast_to_union=yes
 else
@@ -1268,13 +1261,13 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for object suffix""... $ac_c" 1>&6
-echo "configure:1272: checking for object suffix" >&5
+echo "configure:1265: checking for object suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   rm -f conftest*
 echo 'int i = 1;' > conftest.$ac_ext
-if { (eval echo configure:1278: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1271: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   for ac_file in conftest.*; do
     case $ac_file in
     *.c) ;;
@@ -1292,19 +1285,19 @@ OBJEXT=$ac_cv_objext
 ac_objext=$ac_cv_objext
 
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:1296: checking for mingw32 environment" >&5
+echo "configure:1289: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1301 "configure"
+#line 1294 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:1308: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1301: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -1323,7 +1316,7 @@ test "$ac_cv_mingw32" = yes && MINGW32=yes
 
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1327: checking for executable suffix" >&5
+echo "configure:1320: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1333,7 +1326,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:1337: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:1330: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj) ;;
@@ -1360,7 +1353,7 @@ ac_exeext=$EXEEXT
 
 
     echo $ac_n "checking for building with threads""... $ac_c" 1>&6
-echo "configure:1364: checking for building with threads" >&5
+echo "configure:1357: checking for building with threads" >&5
     # Check whether --enable-threads or --disable-threads was given.
 if test "${enable_threads+set}" = set; then
   enableval="$enable_threads"
@@ -1397,7 +1390,7 @@ EOF
 
 
     echo $ac_n "checking how to build libraries""... $ac_c" 1>&6
-echo "configure:1401: checking how to build libraries" >&5
+echo "configure:1394: checking how to build libraries" >&5
     # Check whether --enable-shared or --disable-shared was given.
 if test "${enable_shared+set}" = set; then
   enableval="$enable_shared"
@@ -1438,7 +1431,7 @@ EOF
     # Step 0: Enable 64 bit support?
 
     echo $ac_n "checking if 64bit support is requested""... $ac_c" 1>&6
-echo "configure:1442: checking if 64bit support is requested" >&5
+echo "configure:1435: checking if 64bit support is requested" >&5
     # Check whether --enable-64bit or --disable-64bit was given.
 if test "${enable_64bit+set}" = set; then
   enableval="$enable_64bit"
@@ -1452,7 +1445,7 @@ fi
     # Cross-compiling options for Windows/CE builds
 
     echo $ac_n "checking if Windows/CE build is requested""... $ac_c" 1>&6
-echo "configure:1456: checking if Windows/CE build is requested" >&5
+echo "configure:1449: checking if Windows/CE build is requested" >&5
     # Check whether --enable-wince or --disable-wince was given.
 if test "${enable_wince+set}" = set; then
   enableval="$enable_wince"
@@ -1464,7 +1457,7 @@ fi
     echo "$ac_t""$doWince" 1>&6
 
     echo $ac_n "checking for Windows/CE celib directory""... $ac_c" 1>&6
-echo "configure:1468: checking for Windows/CE celib directory" >&5
+echo "configure:1461: checking for Windows/CE celib directory" >&5
     # Check whether --with-celib or --without-celib was given.
 if test "${with_celib+set}" = set; then
   withval="$with_celib"
@@ -1481,7 +1474,7 @@ fi
     # Extract the first word of "cygpath", so it can be a program name with args.
 set dummy cygpath; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1485: checking for $ac_word" >&5
+echo "configure:1478: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CYGPATH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1529,9 +1522,9 @@ fi
 	echo "END" >> $conftest
 
 	echo $ac_n "checking for Windows native path bug in windres""... $ac_c" 1>&6
-echo "configure:1533: checking for Windows native path bug in windres" >&5
+echo "configure:1526: checking for Windows native path bug in windres" >&5
 	cyg_conftest=`$CYGPATH $conftest`
-	if { ac_try='$RC -o conftest.res.o $cyg_conftest'; { (eval echo configure:1535: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } ; then
+	if { ac_try='$RC -o conftest.res.o $cyg_conftest'; { (eval echo configure:1528: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } ; then
 	    echo "$ac_t""no" 1>&6
 	else
 	    echo "$ac_t""yes" 1>&6
@@ -1550,7 +1543,7 @@ echo "configure:1533: checking for Windows native path bug in windres" >&5
     # set various compiler flags depending on whether we are using gcc or cl
 
     echo $ac_n "checking compiler flags""... $ac_c" 1>&6
-echo "configure:1554: checking compiler flags" >&5
+echo "configure:1547: checking compiler flags" >&5
     if test "${GCC}" = "yes" ; then
 	SHLIB_LD=""
 	SHLIB_LD_LIBS=""
@@ -1571,18 +1564,22 @@ echo "configure:1554: checking compiler flags" >&5
 	extra_ldflags="-pipe"
 
 	if test "$ac_cv_cygwin" = "yes"; then
-	  touch ac$$.c
-	  if ${CC} -c -mwin32 ac$$.c >/dev/null 2>&1; then
-	    case "$extra_cflags" in
-	      *-mwin32*) ;;
-	      *) extra_cflags="-mwin32 $extra_cflags" ;;
-	    esac
-	    case "$extra_ldflags" in
-	      *-mwin32*) ;;
-	      *) extra_ldflags="-mwin32 $extra_ldflags" ;;
-	    esac
-	  fi
-	  rm -f ac$$.o ac$$.c
+	    case "$do64bit" in
+		amd64|x64|yes)
+		    CC="x86_64-w64-mingw32-gcc"
+		    LD="x86_64-w64-mingw32-ld"
+		    AR="x86_64-w64-mingw32-ar"
+		    RANLIB="x86_64-w64-mingw32-ranlib"
+		    RC="x86_64-w64-mingw32-windres"
+		;;
+		*)
+		    CC="i686-w64-mingw32-gcc"
+		    LD="i686-w64-mingw32-ld"
+		    AR="i686-w64-mingw32-ar"
+		    RANLIB="i686-w64-mingw32-ranlib"
+		    RC="i686-w64-mingw32-windres"
+	    ;;
+	esac
 	fi
 
 	if test "${SHARED_BUILD}" = "0" ; then
@@ -1664,7 +1661,7 @@ echo "configure:1554: checking compiler flags" >&5
 		;;
 	    *)
 		cat > conftest.$ac_ext <<EOF
-#line 1668 "configure"
+#line 1665 "configure"
 #include "confdefs.h"
 
 			#ifdef _WIN64
@@ -1675,7 +1672,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1679: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1676: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_win_64bit=no
 else
@@ -1928,7 +1925,7 @@ EOF
 
 
     echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:1932: checking for build with symbols" >&5
+echo "configure:1929: checking for build with symbols" >&5
     # Check whether --enable-symbols or --disable-symbols was given.
 if test "${enable_symbols+set}" = set; then
   enableval="$enable_symbols"
@@ -1988,7 +1985,7 @@ TCL_DBGX=${DBGX}
 #--------------------------------------------------------------------
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1992: checking how to run the C preprocessor" >&5
+echo "configure:1989: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -2003,13 +2000,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 2007 "configure"
+#line 2004 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2013: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2010: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2020,13 +2017,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 2024 "configure"
+#line 2021 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2030: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2027: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2037,13 +2034,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 2041 "configure"
+#line 2038 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2047: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2044: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2069,17 +2066,17 @@ echo "$ac_t""$CPP" 1>&6
 
 ac_safe=`echo "errno.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for errno.h""... $ac_c" 1>&6
-echo "configure:2073: checking for errno.h" >&5
+echo "configure:2070: checking for errno.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2078 "configure"
+#line 2075 "configure"
 #include "confdefs.h"
 #include <errno.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2083: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2080: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
diff --git a/win/configure.in b/win/configure.in
index 3ac39c3..5d7bcf7 100644
--- a/win/configure.in
+++ b/win/configure.in
@@ -85,13 +85,6 @@ AC_PROG_MAKE_SET
 
 AC_CYGWIN
 
-if test "$ac_cv_cygwin" = "yes" ; then
-    AC_MSG_ERROR([Compiling under Cygwin is not currently supported.
-A maintainer for the Cygwin port of Tcl/Tk is needed. See the README
-file for information about building with Mingw.])
-fi
-
-
 AC_CACHE_CHECK(for SEH support in compiler,
     tcl_cv_seh,
 AC_TRY_RUN([
diff --git a/win/tcl.m4 b/win/tcl.m4
index b6241dc..4761941 100644
--- a/win/tcl.m4
+++ b/win/tcl.m4
@@ -462,18 +462,22 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	extra_ldflags="-pipe"
 
 	if test "$ac_cv_cygwin" = "yes"; then
-	  touch ac$$.c
-	  if ${CC} -c -mwin32 ac$$.c >/dev/null 2>&1; then
-	    case "$extra_cflags" in
-	      *-mwin32*) ;;
-	      *) extra_cflags="-mwin32 $extra_cflags" ;;
-	    esac
-	    case "$extra_ldflags" in
-	      *-mwin32*) ;;
-	      *) extra_ldflags="-mwin32 $extra_ldflags" ;;
-	    esac
-	  fi
-	  rm -f ac$$.o ac$$.c
+	    case "$do64bit" in
+		amd64|x64|yes)
+		    CC="x86_64-w64-mingw32-gcc"
+		    LD="x86_64-w64-mingw32-ld"
+		    AR="x86_64-w64-mingw32-ar"
+		    RANLIB="x86_64-w64-mingw32-ranlib"
+		    RC="x86_64-w64-mingw32-windres"
+		;;
+		*)
+		    CC="i686-w64-mingw32-gcc"
+		    LD="i686-w64-mingw32-ld"
+		    AR="i686-w64-mingw32-ar"
+		    RANLIB="i686-w64-mingw32-ranlib"
+		    RC="i686-w64-mingw32-windres"
+	    ;;
+	esac
 	fi
 
 	if test "${SHARED_BUILD}" = "0" ; then
-- 
cgit v0.12


From b38ff7bf98f44f9eaa8dd4715cf3dca8decbe24d Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Tue, 27 Mar 2012 11:20:55 +0000
Subject: [Bug 3508771] Wrong Tcl_StatBuf used on MinGW [Bug 2015723] duplicate
 inodes from file stat on windows

---
 ChangeLog         |  5 +++++
 generic/tcl.h     | 66 +++++++++++++++++++++++++++----------------------------
 generic/tclFCmd.c | 31 ++++++++++++++------------
 3 files changed, 55 insertions(+), 47 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 78a565e..6f7740b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-03-27  Jan Nijtmans  <nijtmans@users.sf.net>
+
+	* generic/tcl.h:             [Bug 3508771] Wrong Tcl_StatBuf used on MinGW
+	* generic/tclFCmd.c:         [Bug 2015723] duplicate inodes from file stat on windows
+
 2012-03-24  Jan Nijtmans  <nijtmans@users.sf.net>
 
 	* generic/tclInt.decls:      [Bug 3508771] load tclreg.dll in cygwin tclsh
diff --git a/generic/tcl.h b/generic/tcl.h
index e794032..3c6ef5e 100644
--- a/generic/tcl.h
+++ b/generic/tcl.h
@@ -376,17 +376,9 @@ typedef long LONG;
 #   if defined(__WIN32__)
 #      define TCL_WIDE_INT_TYPE __int64
 #      ifdef __BORLANDC__
-typedef struct stati64 Tcl_StatBuf;
 #         define TCL_LL_MODIFIER	"L"
 #         define TCL_LL_MODIFIER_SIZE	1
 #      else /* __BORLANDC__ */
-#         if defined(_WIN64)
-typedef struct __stat64 Tcl_StatBuf;
-#         elif (defined(_MSC_VER) && (_MSC_VER < 1400)) || defined(_USE_32BIT_TIME_T)
-typedef struct _stati64	Tcl_StatBuf;
-#         else
-typedef struct _stat32i64 Tcl_StatBuf;
-#         endif /* _MSC_VER < 1400 */
 #         define TCL_LL_MODIFIER	"I64"
 #         define TCL_LL_MODIFIER_SIZE	3
 #      endif /* __BORLANDC__ */
@@ -394,11 +386,6 @@ typedef struct _stat32i64 Tcl_StatBuf;
 #      define TCL_WIDE_INT_TYPE long long
 #      define TCL_LL_MODIFIER	"ll"
 #      define TCL_LL_MODIFIER_SIZE	2
-#      if defined(__WIN32__)
-typedef struct _stat32i64 Tcl_StatBuf;
-#      else
-typedef struct stat	Tcl_StatBuf;
-#      endif
 #   else /* ! __WIN32__ && ! __GNUC__ */
 /*
  * Don't know what platform it is and configure hasn't discovered what
@@ -425,7 +412,6 @@ typedef TCL_WIDE_INT_TYPE		Tcl_WideInt;
 typedef unsigned TCL_WIDE_INT_TYPE	Tcl_WideUInt;
 
 #ifdef TCL_WIDE_INT_IS_LONG
-typedef struct stat	Tcl_StatBuf;
 #   define Tcl_WideAsLong(val)		((long)(val))
 #   define Tcl_LongAsWide(val)		((long)(val))
 #   define Tcl_WideAsDouble(val)	((double)((long)(val)))
@@ -440,25 +426,6 @@ typedef struct stat	Tcl_StatBuf;
  * Windows or some other strange platform.
  */
 #   ifndef TCL_LL_MODIFIER
-#      ifdef __CYGWIN__
-typedef struct _stat32i64 {
-    dev_t st_dev;
-    ino_t st_ino;
-    unsigned short st_mode;
-    short st_nlink;
-    short st_uid;
-    short st_gid;
-    dev_t st_rdev;
-    long long st_size;
-    struct {long tv_sec;} st_atim;
-    struct {long tv_sec;} st_mtim;
-    struct {long tv_sec;} st_ctim;
-} Tcl_StatBuf;
-#      elif defined(HAVE_STRUCT_STAT64)
-typedef struct stat64	Tcl_StatBuf;
-#      else
-typedef struct stat	Tcl_StatBuf;
-#      endif /* HAVE_STRUCT_STAT64 */
 #      define TCL_LL_MODIFIER		"ll"
 #      define TCL_LL_MODIFIER_SIZE	2
 #   endif /* !TCL_LL_MODIFIER */
@@ -467,6 +434,39 @@ typedef struct stat	Tcl_StatBuf;
 #   define Tcl_WideAsDouble(val)	((double)((Tcl_WideInt)(val)))
 #   define Tcl_DoubleAsWide(val)	((Tcl_WideInt)((double)(val)))
 #endif /* TCL_WIDE_INT_IS_LONG */
+
+#if defined(__WIN32__)
+#   ifdef __BORLANDC__
+	typedef struct stati64 Tcl_StatBuf;
+#   elif defined(_WIN64)
+	typedef struct __stat64 Tcl_StatBuf;
+#   elif (defined(_MSC_VER) && (_MSC_VER < 1400)) || defined(_USE_32BIT_TIME_T)
+	typedef struct _stati64	Tcl_StatBuf;
+#   else
+	typedef struct _stat32i64 Tcl_StatBuf;
+#   endif /* _MSC_VER < 1400 */
+#elif defined(__CYGWIN__)
+    typedef struct _stat32i64 {
+	dev_t st_dev;
+	unsigned short st_ino;
+	unsigned short st_mode;
+	short st_nlink;
+	short st_uid;
+	short st_gid;
+	/* Here is a 2-byte gap */
+	dev_t st_rdev;
+	/* Here is a 4-byte gap */
+	long long st_size;
+	struct {long tv_sec;} st_atim;
+	struct {long tv_sec;} st_mtim;
+	struct {long tv_sec;} st_ctim;
+	/* Here is a 4-byte gap */
+    } Tcl_StatBuf;
+#elif defined(HAVE_STRUCT_STAT64)
+    typedef struct stat64 Tcl_StatBuf;
+#else
+    typedef struct stat Tcl_StatBuf;
+#endif
 
 
 /*
diff --git a/generic/tclFCmd.c b/generic/tclFCmd.c
index 6113cf7..3d6a169 100644
--- a/generic/tclFCmd.c
+++ b/generic/tclFCmd.c
@@ -516,20 +516,23 @@ CopyRenameOneFile(interp, source, target, copyFlag, force)
 	    goto done;
 	}
 
-        /* 
-         * Prevent copying or renaming a file onto itself.  Under Windows, 
-         * stat always returns 0 for st_ino.  However, the Windows-specific 
-         * code knows how to deal with copying or renaming a file on top of
-         * itself.  It might be a good idea to write a stat that worked.
-         */
-     
-        if ((sourceStatBuf.st_ino != 0) && (targetStatBuf.st_ino != 0)) {
-            if ((sourceStatBuf.st_ino == targetStatBuf.st_ino) &&
-            	    (sourceStatBuf.st_dev == targetStatBuf.st_dev)) {
-            	result = TCL_OK;
-            	goto done;
-            }
-        }
+	/*
+	 * Prevent copying or renaming a file onto itself. On Windows since
+	 * 8.5 we do get an inode number, however the unsigned short field is
+	 * insufficient to accept the Win32 API file id so it is truncated to
+	 * 16 bits and we get collisions. See bug #2015723.
+	 */
+
+#if !defined(WIN32) && !defined(__CYGWIN__)
+	if ((sourceStatBuf.st_ino != 0) && (targetStatBuf.st_ino != 0)) {
+	    if ((sourceStatBuf.st_ino == targetStatBuf.st_ino) &&
+		    (sourceStatBuf.st_dev == targetStatBuf.st_dev)) {
+		result = TCL_OK;
+		goto done;
+	    }
+	}
+#endif
+
 
 	/*
 	 * Prevent copying/renaming a file onto a directory and
-- 
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