) How to install GNU C/C++ on openVMS/Alpha     ; The development of GNU C and C++ for openVMS/Alpha is still % in progress, so be patient with bugs.      What you need:  	 unzip.exe    Install it as a foreign command    	$ unzip :== $unzip.exe   ' ---------------------------------------    GNU-C    gcc-driver-bin.zip c-includes.zip gas-970202.zip gcc-970207.zip
 gmake-bin.zip  c-demos.zip     < Create a directory for GNU specific stuff, 'set def' to this. directory and unpack gcc-driver-bin.zip there.   	$ unzip -d gcc-driver-bin.zip   Execute gcc_startup.com    	$ @gcc_startup   G This won't be completely successful but creates the necessary logicals,  most important gnu:[00000]  D If you're used to gcc installation on the vax, note that the logical isn't named gnu_cc: but gnu:  / Next, unzip all other zip-files in gnu:[000000]    	$ set def gnu:[000000]  	$ unzip -d c-includes.zip 	$ unzip -d gas-970202.zip 	$ unzip -d gcc-970207.zip 	$ unzip -d gmake-bin.zip   : Install the GNU Assembler and GNU Make as foreign commands  " 	$ gas :== $gnu:[000000]gcc-as.exe" 	$ gmake :== $gnu:[000000]make.exe   Now execute    	$ @gcc_startup    again. That's it !  < To test the installation with a simple (but famous) program,$ unzip c-demos in a scratch directory   	$ unzip -d c-demos.zip  	$ set def [.c-demos]  	$ make  	$ run test   @ As you can see from the makefile.vms, all necessary defaults areC built into gnu make. If you want to control compilation and linking > yourself, remember to link with gnu:[000000]libgcc.olb/lib and+ add gnu:[000000]crt0.obj as the last file !    Known bugs:   C The current exception handling and debug code generation is broken, L always compile with /cc1="-fno-exceptions -g0". I hope this will change RSN," but don't ask me for a fixed date.  K Using VAX F-float/G-float representation is buggy, compile with /float=ieee  to use IEEE floating points.  G The GNU C extension of taking addresses of labels with the '&&' doesn't  work.   : varargs handling with 6 or more named arguments is broken.  / Compiling with /opt=3 might crash the compiler.   ? Not all VMS specific include files are provided, please tell me  what you're missing !     ' ---------------------------------------    GNU-C++   D Get gxx-970207.zip and cxx-includes.zip, unpack both in gnu:[000000]   	$ set def gnu:[000000]  	$ unzip -d gxx-970207.zip 	$ unzip -d cxx-includes.zip  B This will allow you to compile C++ programs, but you haven't got a library yet.E Get libgxx-bin.zip and libgxx-inc.zip and unpack them in gnu:[000000]    	$ set def gnu:[000000]  	$ unzip -d libgxx-bin.zip 	$ unzip -d libgxx-inc.zip  B To test the installation with a simple program, unzip cxx-demos in a scratch directory    	$ unzip -d cxx-demos.zip  	$ set def [.cxx-demos]  	$ make  	$ run test   @ As you can see from the makefile.vms, all necessary defaults areC built into gnu make. If you want to control compilation and linking ? yourself, remember to link with gnu:[000000]crtbegin.obj as the I first object file and add gnu:[000000]crtend.obj,gnu:[000000]gxx_main.obj G the last files ! Without them, static constructors and destructors will  not be called.   Known Bugs:    See GNU C known bugs !  # Exception handling doesn't work yet 