X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=5c384d46bc90bc467570dee4187ec778cbe3eeab;hb=026aef761bfe2e191fa38be357da233aacd6119e;hp=c37e89083566078db84abf0f93dbe47486e22f51;hpb=2050b7c3644ab235aaf1959795bb33e89bd571a3;p=sbcl.git diff --git a/NEWS b/NEWS index c37e890..5c384d4 100644 --- a/NEWS +++ b/NEWS @@ -1,20 +1,63 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- -changes relative to sbcl-1.0.53: +changes relative to sbcl-1.0.54: + * enhancements to building SBCL using make.sh: + ** --fancy can be specified to enable all supported feature enhancements. + ** --with- and --without- can be used to specify + which features to build with. + ** --arch option can be used to specify the architecture to build for. + (Mainly useful for building 32-bit SBCL's on x86-64 hosts, not + full-blows cross-compilation.) + * enhancement: MAKE-ALIEN signals a storage-condition instead of returning a + null alien when malloc() fails. (lp#891268) + * enhancement: SB-EXT:PRINT-UNREADABLY restart for PRINT-NOT-READABLE + conditions can be conveniently accessed through function with the same + name, analogously to CONTINUE. + * enhancement: SB-EXT:*SUPPRESS-PRINT-ERRORS* can be used to suppress errors + from the printer by type, causing an error marker to be printed instead. + (Thanks to Attila Lendvai) + * enhancement: BACKTRACE and DESCRIBE now bind *PRINT-CIRCLE* to T, and + generally behave better when errors occur during printing. + * optimization: the compiler is smarter about representation selection for + floating point constants used in full calls. + * bug fix: deadlock detection could report the same deadlock twice, for + two different threads. Now a single deadlock is reported exactly once. + * bug fix: interval-arithmetic division during type derivation did not + account for signed zeros. + * bug fix: compiler error when typechecking a call to a function with + non-constant keyword arguments. + * bug fix: misoptimization of TRUNCATE causing erratic behaviour. + * bug fix: condition slot accessors no longer cause undefined function + style-warnings when used in the :REPORT clause of the DEFINE-CONDITION + form that defines them. (lp#896379) + * bug fix: DEFGENERIC warns about unsupported declarations, as specified + by ANSI. (lp#894202) + * bug fix: SUBTYPEP tests involving forward-referenced classes no longer + bogusly report NIL, T. + * bug fix: bogus style-warnings for DEFMETHOD forms that both declared some + required arguments ignored and performed assignments to others. + (lp#898331) + * bug fix: *EVALUATOR-MODE* :COMPILE treated (LET () ...) identically + to (LOCALLY ...) leading to internally inconsistent toplevel-formness. + * bug fix: non-toplevel DEFSTRUCT signaled a style warning for unknown type. + * bug fix: redefining a function whose previous definition contained an + unknown type no longer causes a style-warning. (lp#806243) + +changes in sbcl-1.0.54 relative to sbcl-1.0.53: * minor incompatible changes: - ** RENAME-FILE on a symbolic links used to rename the linked-to file instead - of the link. + ** RENAME-FILE on a symbolic links used to rename the linked-to file + instead of the link. ** DELETE-DIRECTORY on symbolic link to a directory used to delete the - directory, but now signal an error instead. Use TRUENAME to resolve - the pathname if you wish to delete the linked directory, and DELETE-FILE - if you wish to delete the + directory, but now signal an error instead. Use TRUENAME to resolve the + pathname if you wish to delete the linked directory, and DELETE-FILE if + you wish to delete the ** The internal SB-THREAD::SPINLOCK API has been deprecated, and using symbols associated with it will trigger a compile-time warning. * thread-related enhancements: (This work has been funded by the SBCL Threading 2011 IndieGoGo campaign. Many thanks to generous donors!) - ** Threading is now more reliable on non-Linux platforms. We still - don't consider threads on non-Linux platforms good enough to - enable them by default, but they're in a clearly better shape now. + ** Threading is now more reliable on non-Linux platforms. We still don't + consider threads on non-Linux platforms good enough to enable them by + default, but they're in a clearly better shape now. ** Deadlines supported now on all platforms. ** All blocking functions in the threading API now have a :TIMEOUT argument. @@ -24,35 +67,61 @@ changes relative to sbcl-1.0.53: STANDARD-INSTANCE-ACCESS, and FUNCALLABLE-STANDARD-INSTANCE-ACCESS. ** Users can now defined new places usable with SB-EXT:COMPARE-AND-SWAP using an API anologous to defining new SETFable places. + * GC-related enhancements and bug fixes: + ** --dynamic-space-size and --control-stack-size now understand Kb, Mb, + and Gb suffixes. Default is megabytes as before. + ** on GENCGC targets, the default dynamic space size is now 512Mb for + 32-bit systems, and 1Gb for 64-bit systems. (OpenBSD/x86-64 is the only + exception, defaulting to mere 444Mb to fit under default ulimits.) The + new defaults are in place to prevent hitting swap on low-end systems. + Use build-time option --dynamic-space-size to build an SBCL with + another default, or the runtime option to adjust the size at startup: a + good size is at most equal to the amount of physical memory the system + has. + ** on GENCGC targets, nursery and generation sizes now default to 5% of + dynamic-space size. + ** on GENCGC targets, SB-KERNEL:MAKE-LISP-OBJ no longer categorically + refuses to create SIMPLE-FUN objects. + ** on 64-bit GENCGC targets, setting the nursery size above 4Gb now works. + (lp#870868) + ** on CHENEYGC targets, SB-KERNEL:MAKE-LISP-OBJ now does the same + validation of pointer objects as GENCGC does, instead of a + comparatively weak bounds-check against the heap spaces. + * SB-BSD-SOCKETS bug fixes: + ** GET-PROTOCOL-BY-NAME had a significant memory leak. + ** GET-HOST-BY-NAME and GET-HOST-BY-ADDRESS small amounts of memory on + systems with getaddrinfo(). + ** GET-HOST-BY-NAME and GET-HOST-BY-ADDRESS weren't thread or interrupt + safe outside systems with getaddrinfo(). + * enhancement: ASDF has been updated 2.019. + * enhancement: special-case TCO prevention for functions which never return + extended to untrusted types, keeping one more frame's worth of debug + information around in many cases. * enhancement: debug-names of anonymous and local function are more descriptive. Affects backtraces and SB-SPROF results. (lp#805100) - * enhancement: on GENCGC systems nursery and generation sizes now default to - 5% of dynamic-space size. - * enhancement: on CHENEYGC targets, SB-KERNEL:MAKE-LISP-OBJ now does - the same validation of pointer objects as GENCGC does, instead of a - comparatively weak bounds-check against the heap spaces. * enhancement: on win32, ABS of complex floats guards better against overflows. (lp#888410) * enhancement: RUN-PROGRAM now distinguishes exec() failing from child process exiting with code 1. (lp#676987) + * enhancement: convenience function SET-SBCL-SOURCE-LOCATION for informing + the system where on the filesystem the SBCL sources themselves are + located. (Thanks to Zach Beane) + * enhancement: the compiler is now able to derive tighter bounds for + floating point numbers in some cases. (Thanks to Lutz Euler, lp#894498) * bug fix: on 64-bit targets, atomic-incf/aref does index computation correctly, even on wide-fixnum builds. (lp#887220) - * bug fix: (directory "foo/*/*.*") did not follow symlinks in foo/ that + * bug fix: (DIRECTORY "foo/*/*.*") did not follow symlinks in foo/ that resolved to directories. - * bug fix: SB-KERNEL:MAKE-LISP-OBJ on GENCGC no longer categorically - refuses to create SIMPLE-FUN objects. * bug fix: type mismatch when assigning to lexical variables no longer result in fasl-dumping internal type objects. (lp#890750) - * bug fix: type mismatch on (setf aref) and function return values no + * bug fix: type mismatch on (SETF AREF) and function return values no longer result in fasl-dumping internal type objects. - * bug fix: SB-BSD-SOCKETS issues - ** GET-PROTOCOL-BY-NAME had a significant memory leak. - ** GET-HOST-BY-NAME and GET-HOST-BY-ADDRESS small amounts of memory on - systems with getaddrinfo(). - ** GET-HOST-BY-NAME and GET-HOST-BY-ADDRESS weren't thread or interrupt - safe outside systems with getaddrinfo(). - * bug fix: on 64-bit systems setting the nursery size above 4Gb now works. - (lp#870868) + * bug fix: With several combinations of argument types, for example (EXPT + <(complex double)>), EXPT now uses double-precision throughout + instead of partially calculating only to single-precision. (lp#741564; + thanks to Lutz Euler) + * bug fix: SYMBOL-VALUE-IN-THREAD is no longer able to construct bogus + objects when interrupted by GC on PPC. changes in sbcl-1.0.53 relative to sbcl-1.0.52: * enhancement: on 64-bit targets, in src/compiler/generic/early-vm.lisp,