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

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1 rtoy 1.1 ========================== 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 emarsden 1.4 bugfixes from the 19c release.
8 rtoy 1.1
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 rtoy 1.3 - LONG-LONG and UNSIGNED-LONG-LONG are recognized types in the
33     C-CALL package for signed and unsigned 64-bit integers.
34 rtoy 1.5 - A port of gencgc to Darwin/ppc has been made. This still
35 rtoy 1.10 needs work, and is known to have some issues, but it compiles
36     CMUCL without problems and runs maxima just fine.
37 rtoy 1.8 - TRACE supports tracing of FLET/LABELS functions. Use (trace
38     (labels foo bar)) to trace the labels function FOO in the
39     function BAR. This is currently experimental.
40 rtoy 1.11 - DISASSEMBLE will disassemble flets/labels functions when
41     disassembling a function. Set disassem::*disassemble-flets*
42     to NIL to turn this off.
43 rtoy 1.12 - Simple errors in socket handling code have been converted to
44     socket-error's to allow easier distinction of the errors.
45 rtoy 1.15 - EXT:LOAD-FOREIGN will use dlopen to try to open a shared
46     library, so if dlopen searches in certain places, LOAD-FOREIGN
47     will find the shared object.
48     - A new search-list "ld-library-path:" has been created and
49     contains the value of the environment variable
50     LD_LIBRARY_PATH. This is analogous to the "path:"
51     search-list.
52     - When a core file is started, any shared libraries that were
53     loaded when the core was made will be reloaded on startup. If
54     the library cannot be found, several restarts are available.
55 rtoy 1.1
56     * Numerous ANSI compliance fixes:
58     - A reader-error is signaled if the number that is being read is
59     too small to be presented. We used to silently return 0.
60     - WITH-INPUT-FROM-STRING no longer modifies the index if
61     WITH-INPUT-FROM-STRING is not exited normally.
62     - An error is signaled if a declaration is used as the name of a
63     deftype, condition, or defstruct, and vice versa.
64     - An error is signaled when trying to generate a namestring from
65     a pathname with just a version component (other than nil,
66     :newest, or :unspecific). CMUCL cannot print that readably.
67     - FLET and LABELS functions will catch errors in keyword
68     parameters. Previously, a keyword of NIL was silently
69     accepted.
70     - Printing a zero using ~E will now include a trailing zero
71     after the decimal point, as required by CLHS,
72 rtoy 1.2 - DOCUMENTATION and (SETF DOCUMENTATION) now works for
73     structures of type list or vector.
74 rtoy 1.3 - DOTIMES will execute the loop the specified number of times,
75     independent of what the loop might do to the loop counter.
76 rtoy 1.12 - Printing of circular objects using logical-blocks is handled
77     better.
78 rtoy 1.13 - SET-SYNTAX-FROM-CHAR copies the entire dispatch table of
79     reader macro functions if necessary.
80     - SET-SYNTAX-FROM-CHAR handles single-escape, multiple-escape
81     and # characters correctly now.
82     - When CLOSE'ing a file with :ABORT, don't delete the file,
83     unless we renamed it. This preserves any and all changes to
84     the file, instead of deleting it.
85 rtoy 1.1
86     * Numerous bugfixes:
88     - LISTEN on DUAL-CHANNEL-SIMPLE-STREAM should work now.
89     - Some numerical issues with the two-arg log function have been
90     fixed. (log 17 10f0), (log 17f0 10) and (log 17 10) all
91     return the same result now.
92     - DESTRUCTURING-BIND no longer causes an error when the list to
93     be destructured is circular.
94 rtoy 1.2 - PEEK-CHAR for Gray streams handles end of file correctly now.
95     - For the ppc port, the alignment of objects in alien structures
96     now matches the PowerOpen ABI for Mac OS X.
97 rtoy 1.3 - For Darwin/ppc, CMUCL was not following the ABI when calling
98     out to C varargs functions. Now we always copy any float args
99     to the corresponding int regs (or stack) as required by the
100     ABI. This isn't necessary for non-varargs functions, but
101     CMUCL doesn't know functions which are varargs functions.
102     - Callbacks with long-long args or results should work correctly
103     now for Darwin/ppc.
104 rtoy 1.5 - DESCRIBE no longer depends on having PCL loaded.
105     - Tracing with no encapsulation appears to be working now for
106     ppc.
107     - A simple interface to sysinfo(2) has been added for sparc.
108     This is used to provide better values for MACHINE-TYPE and
110 rtoy 1.6 - PARSE-TIME can parse times like "Tue Sep 7 18:56:57 UTC 2004"
111     again.
112     - The pretty-printer for MULTIPLE-VALUE-BIND can handle
113 rtoy 1.9 malformed MULTIPLE-VALUE-BIND forms now, instead of producing
114 rtoy 1.6 an error.
115 rtoy 1.7 - Callbacks on Darwin/ppc with a large number of args (more than
116     8 integer args) should work correctly now. (Previous versions
117     would signal an error.)
118 rtoy 1.9 - DESCRIBE no longer says arrays are adjustable when they are
119     not, and vice versa.
120     - Disassembly of some floating-point instructions on ppc has
121     been corrected to display floating-point registers instead of
122     integer registers.
123 rtoy 1.11 - (read (make-array 5)) doesn't cause a segfault anymore on
124     x86/linux. An error is now signaled saying the object isn't
125     one of the possible stream types.
126     - The PPC port no longer runs very slowly on some tests on a G5.
127     This was caused by using an instruction (mcrxr) that is
128     emulated on a G5 but not earlier.
129 rtoy 1.12 - The pretty printer no longer causes an error on badly formed
130     slots in defclass forms.
131 rtoy 1.14 - Document LISP::*IGNORE-WILDCARDS*. When set, namestrings will
132     not have pathnames with wildcards escaped when parsing
133     namestrings or when creating namestrings.
134 rtoy 1.15 - As specified by CLHS, PRIN1 and friends now produce
135     a trailing zero if necessary.
136     - As specified by CLHS, ~E will produce a single zero
137     for the fractional part, if necessary.
138 rtoy 1.16 - (FORMAT NIL "~,2F" 0.001) produces "0.00" instead of "0.001".
139     Thus, we actually honor the d field now.
141 rtoy 1.1 * Other changes:
143     - CMUCL catches more cases where it cannot print a pathname
144     readably. In particular when the pathname name contains "/"
145     or ".", or when the pathname type contains a ".".
146 rtoy 1.6 - WITH-SLOTS and WITH-ACCESSORS are now pprinted like
147     MULTIPLE-VALUE-BIND instead of like WITH-OPEN-FILE.
148 rtoy 1.12 - LOOKUP-HOST-ENTRY now returns a second value. If
149     LOOKUP-HOST-ENTRY succeeds, the second value is T; otherwise,
150     the value of h_errno is returned.
151 rtoy 1.1
152     * Improvements to the PCL implementation of CLOS:
154     * Changes to rebuilding procedure:
155     - Build scripts should recognize FreeBSD automatically.
156     - Should be able to build on either Mac OS X 10.2 or 10.4 using
157     the default version of gcc.
159     This release is not binary compatible with code compiled using CMUCL
160 emarsden 1.4 19c; you will need to recompile FASL files.
161 rtoy 1.1
162     See <URL:http://www.cons.org/cmucl/> for download information,
163     guidelines on reporting bugs, and mailing list details.
166     We hope you enjoy using this release of CMUCL!

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