add directory gnu

gnu/gcc/awb-gcc-1.37/ANNOUNCE

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+
+Announcing gcc 1.37.1 and Gnu emacs 18.55 for MINIX 1.5.10 386
+
+After some time of playing with the source we think it is in a 
+state suitable for other people to use.  Our distribution includes
+binaries for
+
+    gcc (gcc gcc-ld gcc-cc1 gcc-cpp)     1.37.1
+    gas (gcc-as)                         1.37
+    make                                 3.57
+    utilities, ar nm size
+    libraries - libc.a (minix) libm.a (pml) gnulib
+    gcc include files
+    GNUemacs  18.55, (including sub-processes and dumping)
+    Patches to recompile all the above
+
+You will need the following to run the binaries:
+
+    MINIX 1.5.10
+    Bruce Evans' 386 Patches
+    A 386 with at least 4M of memory (emacs alone should work in 2M)
+    A 2-line patch to klib386.x (included)
+
+If you want to recompile you will also need the following sources
+
+    gcc.1.37.1.tar.Z
+    gas1.37.tar.Z
+    estdio21.tar.Z
+    emacs-18.55.tar.Z
+    make-3.57.tar.Z
+    pml.tar.Z    
+
+These are not included in this distribution but are available from a
+number of different archives.  GNU software is available by anonymous
+ftp from a number of sites including prep.ai.mit.edu (18.71.0.38 in
+u2/emacs).  estdio is available from plains.nodak.edu (134.129.111.64
+in pub/Minix/oz) and sirius.ucs.adelaide (129.127.40.3 in
+pub/minix/local). And pml is available from the atari archive
+(formerly terminator) atari.archive.umich.edu (141.211.164.8 in
+atari/gnustuff/minix).  Please only use ftp sites during off-peak hours.
+
+It is interesting to note that gcc and gas effectively require
+no patches at all to compile under MINIX.  Gas requires a change to 
+the make file while the gcc diffs simply include a modified config file
+for the 386.  Our problem was bootstraping the first copy of gcc.
+
+Availability
+------------
+
+The following files are available on plains.nodak.ed (134.129.111.64
+in pub/Minix/uk).  Also they are available for anonymous hhcp over
+JANET the uk X25 network contact me (awb@ed.ac.uk) for more details.
+Note the dates etc may by different on archive machines.
+
+-rwxr-xr-x  1 awb         17676 Oct 30 10:07 16bcompress
+-rw-r--r--  1 awb          2906 Nov 10 15:51 README
+-rw-r--r--  1 awb         98089 Oct 28 17:22 binutils.tar.Z
+-rw-r--r--  1 awb        477002 Nov 10 16:28 emacs.tar.Z
+-rw-r--r--  1 awb         23183 Nov 10 16:29 emacsdif.tar.Z
+-rw-r--r--  1 awb          1803 Nov 10 16:30 gasdiff.tar.Z
+-rw-r--r--  1 awb           407 Oct 30 10:17 gcc.test
+-rw-r--r--  1 awb        628027 Nov 10 16:31 gccbin.tar.Z
+-rw-r--r--  1 awb         17806 Nov 10 16:34 gccdiff.tar.Z
+-rw-r--r--  1 awb         16915 Oct 28 17:26 gccinc.tar.Z
+-rw-r--r--  1 awb         80923 Nov 10 14:05 gcclib.tar.Z
+-rw-r--r--  1 awb         39305 Nov 10 16:35 libdiff.tar.Z
+-rw-r--r--  1 awb          6590 Oct 30 10:08 makediff.tar.Z
+-rw-r--r--  1 awb          3578 Nov 10 14:08 pmldiff.tar.Z
+
+These are compressed (16bit) tar files.  The binary 16bcompress
+is a 16 bit compress for MINIX-386, if you are still using
+a 13 bit compress.
+
+Comment about gcc implementation
+--------------------------------
+
+The a.out format produced by gcc is not understood by MINIX and so has
+to be converted using the program gcc2minix (which is provided) It was
+considered that ld could do this conversion but that would require
+fairly major changes to ld and would stop other programs like size,
+nm, dumping and undumping from working so we decided on a special
+conversion program.  Ideally we should modify the MINIX kernel to
+recognised gcc a.out format.
+
+Floating point is done in an interesting though inefficient way.  The
+loader adds a floating point signal handler to the output file so that
+when floating point instructions occur the signal is caught and that
+instruction is decoded in software.  This is inefficient but without a
+gcc machine description that does not depend on a 387 it is unclear
+what to do.  Note that when soft-float is used (as it is by default)
+very few 387 instructions are actually generated.  This method of fp
+does require a minor change to you kernel to note that there is no 387
+processor.
+
+                      ---------
+
+Much of this code is copywritten.  Please read the the appropriate
+copyright messages.  It however the case that all the copyright's
+allow these files to be copied with few restrictions.  The GNU
+licence is probably the strictest.  Basically you can copy these
+files and give them to whoever you want, but you can't restrict
+them from passing the files on to others.
+
+No guarantee is given with these patches, but I hope
+you find them useful.  If you find any bugs please let
+us know but we don't guarantee we'll have the time to
+fix them.  
+
+Thanks go to:
+     Richard Stallman and FSF for the GNU software
+     Andy Tanenbaum for MINIX
+     Bruce Evans for his 386 patches
+     Earl Chew for estdio
+     Fred Fish for pml
+     Richard Tobin for doing the difficult bits
+     Dept of AI and AIAI, University of Edinburgh for
+       providing machines used in bootstraping this software.
+     And others that I have forgotten about
+
+
+Alan W Black   awb@ed.ac.uk
+Richard Tobin  richard@aiai.ed.ac.uk
+Oct 1990
+
+
+
+

gnu/gcc/awb-gcc-1.37/crcs

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+32919  17676 16bcompress
+49080   2906 README
+51484  98089 binutils.tar.Z
+10969 477002 emacs.tar.Z
+19193  23183 emacsdif.tar.Z
+49044   1803 gasdiff.tar.Z
+24083    407 gcc.test
+44115 628027 gccbin.tar.Z
+19750  17806 gccdiff.tar.Z
+20499  16915 gccinc.tar.Z
+54226  80923 gcclib.tar.Z
+54569  39305 libdiff.tar.Z
+10698   6590 makediff.tar.Z
+19065   3578 pmldiff.tar.Z

gnu/gcc/awb-gcc-1.37/gcc.test

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+
+Once installed the things in gccbin gccinc and gcclib you should try
+the following, to see if anything works.
+
+Create a file test.c containing (the old favorite)
+
+   #include <stdio.h>
+   main()
+   {
+      printf("Hello world\n");
+   }
+
+
+Compile it as follows
+
+   gcc test.c
+   gcc2minix < a.out >test
+   chmod +x test   # may not be necessary depending on your umask
+   ./test
+
+Should print Hello world.
+