merge 8.5

3 files changed, 45 insertions, 17 deletions

diff --git a/win/README b/win/README
index 1929362..1cb04f3 100644
--- a/win/README
+++ b/win/README
@@ -24,7 +24,28 @@ In order to compile Tcl for Windows, you need the following:
 
 	or
 
-	Msys + Mingw [http://www.mingw.org/download.shtml]
+	Linux + MinGW-w64 [http://mingw-w64.sourceforge.net/]
+	    (win32 or win64)
+
+	or
+
+	Cygwin + MinGW-w64 [http://cygwin.com/install.html]
+	    (win32 or win64)
+
+	or
+
+	Darwin + MinGW-w64 [http://mingw-w64.sourceforge.net/]
+	    (win32 or win64)
+
+	or
+
+	Msys + MinGW-w64 [http://mingw-w64.sourceforge.net/]
+	    (win32 or win64)
+
+	or
+
+	Msys + MinGW [http://www.mingw.org/download.shtml]
+	    (win32 only)
 
 
 In practice, this release is built with Visual C++ 6.0 and the TEA
@@ -40,19 +61,26 @@ using it, are in the comments of "makefile.vc".  A quick example would be:
 There is also a Developer Studio workspace and project file, too, if you
 would like to use them.
 
-If you are building with Msys, you can use the configure script that lives
-in the win subdirectory. The Msys based configure/build process works just
-like the UNIX one, so you will want to refer to ../unix/README for
-available configure options. An error will be generated by the configure
-script if you try to compile Tcl with the Cygwin version of gcc instead of
-the Mingw version. Check your PATH if you get this error.
+If you are building with Linux, Cygwin or Msys, you can use the configure
+script that lives in the win subdirectory. The Linux/Cygwin/Msys based
+configure/build process works just like the UNIX one, so you will want
+to refer to ../unix/README for available configure options.
+
+If you want 64-bit executables (x86_64), you need to configure using
+the --enable-64bit option. Make sure that the x86_64-w64-mingw32
+compiler is present. For Cygwin this compiler can be found in the
+"mingw64-x86_64-gcc-core" package, which can be installed through
+the normal Cygwin install process. If you only want 32-bit executables,
+the "mingw64-i686-gcc-core" package is what you need. For Linux, Darwin
+and Msys, you can download a suitable win32 or win64 compiler from
+[https://sourceforge.net/projects/mingw-w64/files/]
 
 Use the Makefile "install" target to install Tcl.  It will install it
 according to the prefix options you provided in the correct directory
 structure.
 
-Note that in order to run tclsh85.exe, you must ensure that tcl85.dll is on
-your path, in the system directory, or in the directory containing
+Note that in order to run tclsh85.exe, you must ensure that tcl85.dll is
+on your path, in the system directory, or in the directory containing
 tclsh85.exe.
 
 Note: Tcl no longer provides support for Win32s.
diff --git a/win/configure b/win/configure
index 4f73e97..0ddd590 100755
--- a/win/configure
+++ b/win/configure
@@ -840,18 +840,18 @@ if test -n "$ac_init_help"; then
 Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --enable-threads        build with threads
-  --enable-shared         build and link with shared libraries --enable-shared
+  --enable-threads        build with threads (default: off)
+  --enable-shared         build and link with shared libraries (default: on)
   --enable-64bit          enable 64bit support (where applicable)
   --enable-wince          enable Win/CE support (where applicable)
-  --enable-symbols        build with debugging symbols --disable-symbols
+  --enable-symbols        build with debugging symbols (default: off)
   --enable-embedded-manifest
                           embed manifest if possible (default: yes)
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
-  --with-encoding              encoding for configuration values
+  --with-encoding         encoding for configuration values
   --with-celib=DIR        use Windows/CE support library from DIR
 
 Some influential environment variables:
diff --git a/win/tcl.m4 b/win/tcl.m4
index 9320d89..2f2964b 100644
--- a/win/tcl.m4
+++ b/win/tcl.m4
@@ -211,7 +211,7 @@ AC_DEFUN([SC_LOAD_TKCONFIG], [
 AC_DEFUN([SC_ENABLE_SHARED], [
     AC_MSG_CHECKING([how to build libraries])
     AC_ARG_ENABLE(shared,
-	[  --enable-shared         build and link with shared libraries [--enable-shared]],
+	[  --enable-shared         build and link with shared libraries (default: on)],
     [tcl_ok=$enableval], [tcl_ok=yes])
 
     if test "${enable_shared+set}" = set; then
@@ -250,7 +250,7 @@ AC_DEFUN([SC_ENABLE_SHARED], [
 
 AC_DEFUN([SC_ENABLE_THREADS], [
     AC_MSG_CHECKING(for building with threads)
-    AC_ARG_ENABLE(threads, [  --enable-threads        build with threads],
+    AC_ARG_ENABLE(threads, [  --enable-threads        build with threads (default: off)],
 	[tcl_ok=$enableval], [tcl_ok=no])
 
     if test "$tcl_ok" = "yes"; then
@@ -297,7 +297,7 @@ AC_DEFUN([SC_ENABLE_THREADS], [
 
 AC_DEFUN([SC_ENABLE_SYMBOLS], [
     AC_MSG_CHECKING([for build with symbols])
-    AC_ARG_ENABLE(symbols, [  --enable-symbols        build with debugging symbols [--disable-symbols]],    [tcl_ok=$enableval], [tcl_ok=no])
+    AC_ARG_ENABLE(symbols, [  --enable-symbols        build with debugging symbols (default: off)],    [tcl_ok=$enableval], [tcl_ok=no])
 # FIXME: Currently, LDFLAGS_DEFAULT is not used, it should work like CFLAGS_DEFAULT.
     if test "$tcl_ok" = "no"; then
 	CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
@@ -1059,7 +1059,7 @@ AC_DEFUN([SC_BUILD_TCLSH], [
 #--------------------------------------------------------------------
 
 AC_DEFUN([SC_TCL_CFG_ENCODING], [
-    AC_ARG_WITH(encoding, [  --with-encoding              encoding for configuration values], with_tcencoding=${withval})
+    AC_ARG_WITH(encoding, [  --with-encoding         encoding for configuration values], with_tcencoding=${withval})
 
     if test x"${with_tcencoding}" != x ; then
 	AC_DEFINE_UNQUOTED(TCL_CFGVAL_ENCODING,"${with_tcencoding}")