X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fdocs%2FANNOUNCE-0.20;fp=ghc%2Fdocs%2FANNOUNCE-0.20;h=2e7f274cb23c594026fb8a0750c19ef2f42699e2;hb=e7d21ee4f8ac907665a7e170c71d59e13a01da09;hp=0000000000000000000000000000000000000000;hpb=e48474bff05e6cfb506660420f025f694c870d38;p=ghc-hetmet.git diff --git a/ghc/docs/ANNOUNCE-0.20 b/ghc/docs/ANNOUNCE-0.20 new file mode 100644 index 0000000..2e7f274 --- /dev/null +++ b/ghc/docs/ANNOUNCE-0.20 @@ -0,0 +1,55 @@ +This is version 0.20 of the Glorious Glasgow Haskell compilation +system (GHC). + +Version 0.20 is an "internal" release, intended *ONLY* for the most +fanatical GHC hackers. + +* Many things about it may be broken, though it +does compile and run most programs. + +* I/O and ccall scheme re-done; any such low-level code probably needs + fixing; I/O attempts to follow 1.3 I/O proposal. All ccall + arguments and results are automagically "boxed". + +* PrimOps fiddled; any code that uses them directly will probably need + attention. + +* We've renamed some things, so as to move to a we-don't-steal-user- + name-space policy. Thus "tagCmp" has become "_tagCmp". Names starting + with underscores are now cool if -fglasgow-exts. + + You might want to see our "state-interface" document if you mess + with all this low-level/non-standard stuff; I'll try to remember to + put a copy up for FTP. + +* No promises about profiling. + +* Documentation is untouched since 0.19. + +Version 0.19 was the last public release. It has held up pretty well +and should be available wherever you got 0.20 from. I commend 0.19 to +all sane people. + +Configuring 0.20 is a little different than 0.19: + + % cd + % ./configure --with-boot=c + % ./STARTUP-ghc std + % cd ghc; make + +Things to note: + +* It's wrong for jmake to tell you "0: unknown flag -traditional"; but + it is harmless. + +* The 0.20 compiler seems more likely to run out of stack; use + -Rmax-stksize2m (or something) to increase; within the distribution, + probably something like... + + % make EXTRA_HC_OPTS="-H20m -Rmax-stksize4m" + +See the "configure" script if you want to know what other options are +-- there is no other documentation at this time! + +Will Partain, AQUA project typist +partain@dcs.glasgow.ac.uk