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Contents of /src/general-info/release-19d.txt

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Update for ppc callbacks.
1 ========================== C M U C L 19 d =============================
5 The CMUCL project is pleased to announce the release of CMUCL 19d.
6 This is a major release which contains numerous enhancements and
7 bugfixes from the 19c release.
9 CMUCL is a free, high performance implementation of the Common Lisp
10 programming language which runs on most major Unix platforms. It
11 mainly conforms to the ANSI Common Lisp standard. CMUCL provides a
12 sophisticated native code compiler; a powerful foreign function
13 interface; an implementation of CLOS, the Common Lisp Object System,
14 which includes multimethods and a metaobject protocol; a source-level
15 debugger and code profiler; and an Emacs-like editor implemented in
16 Common Lisp. CMUCL is maintained by a team of volunteers collaborating
17 over the Internet, and is mostly in the public domain.
19 New in this release:
22 * Feature enhancements:
24 - Destructive functions like nreverse that modify constant args
25 will produce a warning.
26 - Destructive functions like nreverse whose results are not used
27 will produce a warning.
28 - Pathnames that cannot be printed readably using #p"..." will
29 now be printed using the CMUCL extension #P(...). However,
30 there are still cases where CMUCL cannot print pathnames
31 readably, but these involve search-lists and patterns.
32 - LONG-LONG and UNSIGNED-LONG-LONG are recognized types in the
33 C-CALL package for signed and unsigned 64-bit integers.
34 - A port of gencgc to Darwin/ppc has been made. This still
35 needs work, and is known to have some issues.
37 * Numerous ANSI compliance fixes:
39 - A reader-error is signaled if the number that is being read is
40 too small to be presented. We used to silently return 0.
41 - WITH-INPUT-FROM-STRING no longer modifies the index if
42 WITH-INPUT-FROM-STRING is not exited normally.
43 - An error is signaled if a declaration is used as the name of a
44 deftype, condition, or defstruct, and vice versa.
45 - An error is signaled when trying to generate a namestring from
46 a pathname with just a version component (other than nil,
47 :newest, or :unspecific). CMUCL cannot print that readably.
48 - FLET and LABELS functions will catch errors in keyword
49 parameters. Previously, a keyword of NIL was silently
50 accepted.
51 - Printing a zero using ~E will now include a trailing zero
52 after the decimal point, as required by CLHS,
54 structures of type list or vector.
55 - DOTIMES will execute the loop the specified number of times,
56 independent of what the loop might do to the loop counter.
58 * Numerous bugfixes:
60 - LISTEN on DUAL-CHANNEL-SIMPLE-STREAM should work now.
61 - Some numerical issues with the two-arg log function have been
62 fixed. (log 17 10f0), (log 17f0 10) and (log 17 10) all
63 return the same result now.
64 - DESTRUCTURING-BIND no longer causes an error when the list to
65 be destructured is circular.
66 - PEEK-CHAR for Gray streams handles end of file correctly now.
67 - For the ppc port, the alignment of objects in alien structures
68 now matches the PowerOpen ABI for Mac OS X.
69 - For Darwin/ppc, CMUCL was not following the ABI when calling
70 out to C varargs functions. Now we always copy any float args
71 to the corresponding int regs (or stack) as required by the
72 ABI. This isn't necessary for non-varargs functions, but
73 CMUCL doesn't know functions which are varargs functions.
74 - Callbacks with long-long args or results should work correctly
75 now for Darwin/ppc.
76 - DESCRIBE no longer depends on having PCL loaded.
77 - Tracing with no encapsulation appears to be working now for
78 ppc.
79 - A simple interface to sysinfo(2) has been added for sparc.
80 This is used to provide better values for MACHINE-TYPE and
82 - PARSE-TIME can parse times like "Tue Sep 7 18:56:57 UTC 2004"
83 again.
84 - The pretty-printer for MULTIPLE-VALUE-BIND can handle
85 mal-formed MULTIPLE-VALUE-BIND forms now, instead of producing
86 an error.
87 - Callbacks on Darwin/ppc with a large number of args (more than
88 8 integer args) should work correctly now. (Previous versions
89 would signal an error.)
91 * Other changes:
93 - CMUCL catches more cases where it cannot print a pathname
94 readably. In particular when the pathname name contains "/"
95 or ".", or when the pathname type contains a ".".
96 - WITH-SLOTS and WITH-ACCESSORS are now pprinted like
99 * Improvements to the PCL implementation of CLOS:
101 * Changes to rebuilding procedure:
102 - Build scripts should recognize FreeBSD automatically.
103 - Should be able to build on either Mac OS X 10.2 or 10.4 using
104 the default version of gcc.
106 This release is not binary compatible with code compiled using CMUCL
107 19c; you will need to recompile FASL files.
109 See <URL:http://www.cons.org/cmucl/> for download information,
110 guidelines on reporting bugs, and mailing list details.
113 We hope you enjoy using this release of CMUCL!

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