/[cmucl]/src/general-info/release-19c.txt
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1 ========================== C M U C L 19 c =============================
2
3 [--- WORK IN PROGRESS --- DO NOT DISTRIBUTE ---]
4
5 The CMUCL project is pleased to announce the release of CMUCL 19c.
6 This is a major release which contains numerous enhancements and
7 bugfixes from the 19a release.
8
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.
18
19 New in this release:
20
21
22 * Feature enhancements:
23
24 - Cross-reference information can now be saved to a fasl file.
25 - COMPILE-FILE accepts the new keyword arg :XREF. When non-NIL,
26 cross-reference information found during compilation is saved
27 to the fasl file.
28 - UNIX-UNAME added for non-glibc2 platforms, which already had
29 it.
30
31 * Numerous ANSI compliance fixes:
32 - FILE-POSITION on string input streams accept :START and :END
33 for the position.
34 - The default value for keyword args for deftype is '*, not NIL.
35 - ED is now defined (but does nothing). Loading hemlock will
36 give you an ED that works.
37 - DOCUMENTATION and (SETF DOCUMENTATION) works for more cases
38 now.
39 - MULTIPLE-VALUE-SETQ now always returns the primary value.
40 - (SETF MACRO-FUNCTION) and (SETF COMPILER-MACRO-FUNCTION)
41 accepts the optional environment arg, as specified by ANSI CL.
42
43 * Numerous bugfixes:
44 - Regression in MRG32K3A benchmark fixed.
45 - (format t "~8,2f" -0.0) has the right length now. This
46 happened because we didn't recognize -0.0 is negative.
47 - Type derivation for FTRUNCATE is now consistent with what
48 FTRUNCATE returns. Main problem was that -0.0 is now returned
49 by ftruncate instead of +0.0.
50 - Some errors during type derivation are fixed. We cause the
51 offending function to return NIL to indicate unbounded.
52
53
54 * Other changes:
55
56 * Improvements to the PCL implementation of CLOS:
57
58 * Changes to rebuilding procedure:
59 - Build scripts should recognize FreeBSD automatically.
60
61
62 This release is not binary compatible with code compiled using CMUCL
63 19b; you will need to recompile FASL files.
64
65 See <URL:http://www.cons.org/cmucl/> for download information,
66 guidelines on reporting bugs, and mailing list details.
67
68
69 We hope you enjoy using this release of CMUCL!
70

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