grok_atoUV: allow non-C strings and document

[perl5.git] / README.win32

diff --git a/README.win32 b/README.win32
index d32f528..8244222 100644 (file)
--- a/README.win32
+++ b/README.win32
@@ -42,6 +42,7 @@ following compilers on the Intel x86 architecture:
       Microsoft Visual C++    version 6.0 or later
       Intel C++ Compiler      (experimental)
       Gcc by mingw.org        gcc version 3.4.5 or later
+                              with runtime < 3.21
       Gcc by mingw-w64.org    gcc version 4.4.3 or later
 
 Note that the last two of these are actually competing projects both
@@ -63,10 +64,10 @@ that are also supported by perl's makefile.
 =back
 
 The Microsoft Visual C++ compilers are also now being given away free. They are
-available as "Visual C++ Toolkit 2003" or "Visual C++ 2005-2015 Express
-Edition" (and also as part of the ".NET Framework SDK") and are the same
-compilers that ship with "Visual C++ .NET 2003 Professional" or "Visual C++
-2005-2015 Professional" respectively.
+available as "Visual C++ Toolkit 2003" or "Visual C++ 2005-2017 Express [or
+Community, from 2017] Edition" (and also as part of the ".NET Framework SDK")
+and are the same compilers that ship with "Visual C++ .NET 2003 Professional"
+or "Visual C++ 2005-2017 Professional" respectively.
 
 This port can also be built on IA64/AMD64 using:
 
@@ -139,9 +140,9 @@ console already set up for your target architecture (x86-32 or x86-64 or IA64).
 With the newer compilers, you may also use the older batch files if you choose
 so.
 
-=item Microsoft Visual C++ 2008-2015 Express Edition
+=item Microsoft Visual C++ 2008-2017 Express/Community Edition
 
-These free versions of Visual C++ 2008-2015 Professional contain the same
+These free versions of Visual C++ 2008-2017 Professional contain the same
 compilers and linkers that ship with the full versions, and also contain
 everything necessary to build Perl, rather than requiring a separate download
 of the Windows SDK like previous versions did.
@@ -151,14 +152,15 @@ L<http://www.microsoft.com/downloads/search.aspx?displaylang=en>.  (Providing ex
 links to these packages has proven a pointless task because the links keep on
 changing so often.)
 
-Install Visual C++ 2008-2015 Express, then setup your environment using, e.g.
+Install Visual C++ 2008-2017 Express/Community, then setup your environment
+using, e.g.
 
  C:\Program Files\Microsoft Visual Studio 12.0\Common7\Tools\vsvars32.bat
 
 (assuming the default installation location was chosen).
 
 Perl should now build using the win32/Makefile.  You will need to edit that
-file to set CCTYPE to one of MSVC90FREE-MSVC140FREE first.
+file to set CCTYPE to one of MSVC90-MSVC141 first.
 
 =item Microsoft Visual C++ 2005 Express Edition
 
@@ -200,7 +202,7 @@ while the latest versions install into version-specific locations such as
 Perl should now build using the win32/Makefile.  You will need to edit that
 file to set
 
- CCTYPE = MSVC80FREE
+ CCTYPE = MSVC80
 
 and to set CCHOME, CCINCDIR and CCLIBDIR as per the environment setup above.
 
@@ -311,15 +313,22 @@ The nmake that comes with the Platform SDK will suffice for building
 Perl.  Make sure you are building within one of the "Build Environment"
 shells available after you install the Platform SDK from the Start Menu.
 
-=item MinGW release 3 with gcc
+=item GCC
 
-Perl can be compiled with gcc from MinGW release 3 and later (using gcc 3.4.5
-and later).  It can be downloaded here:
+Perl can be compiled with gcc from MinGW (version 3.4.5 or later) or from
+MinGW64 (version 4.4.3 or later).  It can be downloaded here:
 
 L<http://www.mingw.org/>
+L<http://www.mingw-w64.org/>
 
 You also need dmake.  See L</"Make"> above on how to get it.
 
+Note that the MinGW build currently requires a MinGW runtime version earlier
+than 3.21 (check __MINGW32_MAJOR_VERSION and __MINGW32_MINOR_VERSION).
+
+Note also that the C++ mode build currently fails with MinGW 3.4.5 and 4.7.2
+or later, and with MinGW64 64-bit 6.3.0 or later.
+
 =item Intel C++ Compiler
 
 Experimental support for using Intel C++ Compiler has been added. Edit
@@ -393,7 +402,7 @@ Be sure to read the instructions near the top of the makefiles carefully.
 Type "dmake" (or "nmake" if you are using that make).
 
 This should build everything.  Specifically, it will create perl.exe,
-perl527.dll at the perl toplevel, and various other extension dll's
+perl529.dll at the perl toplevel, and various other extension dll's
 under the lib\auto directory.  If the build fails for any reason, make
 sure you have done the previous steps correctly.
 
@@ -950,6 +959,6 @@ Win9x support was added in 5.6 (Benjamin Stuhl).
 
 Support for 64-bit Windows added in 5.8 (ActiveState Corp).
 
-Last updated: 19 February 2017
+Last updated: 23 May 2018
 
 =cut