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

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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.
36 - TRACE supports tracing of FLET/LABELS functions. Use (trace
37 (labels foo bar)) to trace the labels function FOO in the
38 function BAR. This is currently experimental.
40 * Numerous ANSI compliance fixes:
42 - A reader-error is signaled if the number that is being read is
43 too small to be presented. We used to silently return 0.
44 - WITH-INPUT-FROM-STRING no longer modifies the index if
45 WITH-INPUT-FROM-STRING is not exited normally.
46 - An error is signaled if a declaration is used as the name of a
47 deftype, condition, or defstruct, and vice versa.
48 - An error is signaled when trying to generate a namestring from
49 a pathname with just a version component (other than nil,
50 :newest, or :unspecific). CMUCL cannot print that readably.
51 - FLET and LABELS functions will catch errors in keyword
52 parameters. Previously, a keyword of NIL was silently
53 accepted.
54 - Printing a zero using ~E will now include a trailing zero
55 after the decimal point, as required by CLHS,
57 structures of type list or vector.
58 - DOTIMES will execute the loop the specified number of times,
59 independent of what the loop might do to the loop counter.
61 * Numerous bugfixes:
63 - LISTEN on DUAL-CHANNEL-SIMPLE-STREAM should work now.
64 - Some numerical issues with the two-arg log function have been
65 fixed. (log 17 10f0), (log 17f0 10) and (log 17 10) all
66 return the same result now.
67 - DESTRUCTURING-BIND no longer causes an error when the list to
68 be destructured is circular.
69 - PEEK-CHAR for Gray streams handles end of file correctly now.
70 - For the ppc port, the alignment of objects in alien structures
71 now matches the PowerOpen ABI for Mac OS X.
72 - For Darwin/ppc, CMUCL was not following the ABI when calling
73 out to C varargs functions. Now we always copy any float args
74 to the corresponding int regs (or stack) as required by the
75 ABI. This isn't necessary for non-varargs functions, but
76 CMUCL doesn't know functions which are varargs functions.
77 - Callbacks with long-long args or results should work correctly
78 now for Darwin/ppc.
79 - DESCRIBE no longer depends on having PCL loaded.
80 - Tracing with no encapsulation appears to be working now for
81 ppc.
82 - A simple interface to sysinfo(2) has been added for sparc.
83 This is used to provide better values for MACHINE-TYPE and
85 - PARSE-TIME can parse times like "Tue Sep 7 18:56:57 UTC 2004"
86 again.
87 - The pretty-printer for MULTIPLE-VALUE-BIND can handle
88 mal-formed MULTIPLE-VALUE-BIND forms now, instead of producing
89 an error.
90 - Callbacks on Darwin/ppc with a large number of args (more than
91 8 integer args) should work correctly now. (Previous versions
92 would signal an error.)
94 * Other changes:
96 - CMUCL catches more cases where it cannot print a pathname
97 readably. In particular when the pathname name contains "/"
98 or ".", or when the pathname type contains a ".".
99 - WITH-SLOTS and WITH-ACCESSORS are now pprinted like
102 * Improvements to the PCL implementation of CLOS:
104 * Changes to rebuilding procedure:
105 - Build scripts should recognize FreeBSD automatically.
106 - Should be able to build on either Mac OS X 10.2 or 10.4 using
107 the default version of gcc.
109 This release is not binary compatible with code compiled using CMUCL
110 19c; you will need to recompile FASL files.
112 See <URL:http://www.cons.org/cmucl/> for download information,
113 guidelines on reporting bugs, and mailing list details.
116 We hope you enjoy using this release of CMUCL!

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