NOTES FOR THE WINDOWS PLATFORMS
===============================
- [Notes for Windows CE can be found in INSTALL.WCE]
-
Requirement details for native (Visual C++) builds
--------------------------------------------------
+ In addition to the requirements and instructions listed in INSTALL,
+ this are required as well:
+
- You need Perl. We recommend ActiveState Perl, available from
- http://www.activestate.com/ActivePerl.
+ https://www.activestate.com/ActivePerl.
You also need the perl module Text::Template, available on CPAN.
- Please read README.PERL for more information.
+ Please read NOTES.PERL for more information.
- You need a C compiler. OpenSSL has been tested to build with these:
supported.
+ Visual C++ (native Windows)
+ ---------------------------
+
+ Installation directories
+
+ The default installation directories are derived from environment
+ variables.
+
+ For VC-WIN32, the following defaults are use:
+
+ PREFIX: %ProgramFiles(86)%\OpenSSL
+ OPENSSLDIR: %CommonProgramFiles(86)%\SSL
+
+ For VC-WIN32, the following defaults are use:
+
+ PREFIX: %ProgramW6432%\OpenSSL
+ OPENSSLDIR: %CommonProgramW6432%\SSL
+
+ Should those environment variables not exist (on a pure Win32
+ installation for examples), these fallbacks are used:
+
+ PREFIX: %ProgramFiles%\OpenSSL
+ OPENSSLDIR: %CommonProgramFiles%\SSL
+
+ ALSO NOTE that those directories are usually write protected, even if
+ your account is in the Administrators group. To work around that,
+ start the command prompt by right-clicking on it and choosing "Run as
+ Administrator" before running 'nmake install'. The other solution
+ is, of course, to choose a different set of directories by using
+ --prefix and --openssldir when configuring.
+
GNU C (Cygwin)
--------------
To build OpenSSL using Cygwin, you need to:
- * Install Cygwin (see http://cygwin.com/)
+ * Install Cygwin (see https://cygwin.com/)
* Install Cygwin Perl and ensure it is in the path. Recall that
as least 5.10.0 is required.
recognize that binaries targeting Cygwin itself are not interchangeable
with "conventional" Windows binaries you generate with/for MinGW.
+
GNU C (MinGW/MSYS)
- -------------
+ ------------------
* Compiler and shell environment installation:
required. Run the installers and do whatever magic they say it takes
to start MSYS bash shell with GNU tools and matching Perl on its PATH.
"Matching Perl" refers to chosen "shell environment", i.e. if built
- under MSYS, then Perl compiled for MSYS is highly recommended.
+ under MSYS, then Perl compiled for MSYS must be used.
- Alternativelly, one can use MSYS2 from http://msys2.github.io/,
+ Alternativelly, one can use MSYS2 from https://msys2.github.io/,
which includes MingW (32-bit and 64-bit).
* It is also possible to cross-compile it on Linux by configuring
and i686-w64-mingw32-.
- "Classic" builds (Visual C++)
- ----------------
-
- [OpenSSL was classically built using a script called mk1mf. This is
- still available by configuring with --classic. The notes below are
- using this flag, and are tentative. Use with care.
-
- NOTE: this won't be available for long.]
-
- If you want to compile in the assembly language routines with Visual
- C++, then you will need the Netwide Assembler binary, nasmw.exe or nasm.exe, to
- be available on your %PATH%.
-
- Firstly you should run Configure and generate the Makefiles. If you don't want
- the assembly language files then add the "no-asm" option (without quotes) to
- the Configure lines below.
-
- For Win32:
-
- > perl Configure VC-WIN32 --classic --prefix=c:\some\openssl\dir
- > ms\do_nasm
-
- Note: replace the last line above with the following if not using the assembly
- language files:
-
- > ms\do_ms
-
- For Win64/x64:
-
- > perl Configure VC-WIN64A --classic --prefix=c:\some\openssl\dir
- > ms\do_win64a
-
- For Win64/IA64:
-
- > perl Configure VC-WIN64I --classic --prefix=c:\some\openssl\dir
- > ms\do_win64i
-
- Where the prefix argument specifies where OpenSSL will be installed to.
-
- Then from the VC++ environment at a prompt do the following. Note, your %PATH%
- and other environment variables should be set up for 32-bit or 64-bit
- development as appropriate.
-
- > nmake -f ms\ntdll.mak
-
- If all is well it should compile and you will have some DLLs and
- executables in out32dll. If you want to try the tests then do:
-
- > nmake -f ms\ntdll.mak test
-
- To install OpenSSL to the specified location do:
-
- > nmake -f ms\ntdll.mak install
-
- Tweaks:
-
- There are various changes you can make to the Windows compile
- environment. By default the library is not compiled with debugging
- symbols. If you add --debug to the Configure lines above then debugging symbols
- will be compiled in.
-
- By default in 1.1.0 OpenSSL will compile builtin ENGINES into separate shared
- libraries. If you specify the "enable-static-engine" option on the command line
- to Configure the shared library build (ms\ntdll.mak) will compile the engines
- into libcrypto32.dll instead.
-
- You can also build a static version of the library using the Makefile
- ms\nt.mak
-
Linking your application
------------------------
This section applies to non-Cygwin builds.
If you link with static OpenSSL libraries then you're expected to
- additionally link your application with WS2_32.LIB, ADVAPI32.LIB,
- GDI32.LIB and USER32.LIB. Those developing non-interactive service
- applications might feel concerned about linking with the latter two,
- as they are justly associated with interactive desktop, which is not
- available to service processes. The toolkit is designed to detect in
- which context it's currently executed, GUI, console app or service,
- and act accordingly, namely whether or not to actually make GUI calls.
- Additionally those who wish to /DELAYLOAD:GDI32.DLL and /DELAYLOAD:USER32.DLL
- and actually keep them off service process should consider
- implementing and exporting from .exe image in question own
- _OPENSSL_isservice not relying on USER32.DLL.
- E.g., on Windows Vista and later you could:
+ additionally link your application with WS2_32.LIB, GDI32.LIB,
+ ADVAPI32.LIB, CRYPT32.LIB and USER32.LIB. Those developing
+ non-interactive service applications might feel concerned about
+ linking with GDI32.LIB and USER32.LIB, as they are justly associated
+ with interactive desktop, which is not available to service
+ processes. The toolkit is designed to detect in which context it's
+ currently executed, GUI, console app or service, and act accordingly,
+ namely whether or not to actually make GUI calls. Additionally those
+ who wish to /DELAYLOAD:GDI32.DLL and /DELAYLOAD:USER32.DLL and
+ actually keep them off service process should consider implementing
+ and exporting from .exe image in question own _OPENSSL_isservice not
+ relying on USER32.DLL. E.g., on Windows Vista and later you could:
__declspec(dllexport) __cdecl BOOL _OPENSSL_isservice(void)
{ DWORD sess;
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