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  14. <B>µ&nbsp;C&nbsp;l&nbsp;i&nbsp;b&nbsp;c</B>
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  23. <A NAME="intro"> <BIG><B>
  24. uClibc -- a C library for embedded systems
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  39. <ul>
  40. <p>
  41. <li> <b>27 August 2002, uClibc 0.9.15 Released</b>
  42. <br>
  43. CodePoet Consulting is pleased to announce the immediate availability
  44. of uClibc 0.9.15. This release fixes a number of problems that turned
  45. up since the last release. The good news is that uClibc now
  46. passes all tests in the perl 5.8 and Python 2.2.1 test suites, both with
  47. and without pthreads. So without any further ado....
  48. <p>
  49. The
  50. <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/Changelog">Changelog</a>
  51. and <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/uClibc-0.9.15.tar.bz2">source code</a>
  52. for this release are available <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/">here</a>.
  53. <p>
  54. Have fun!
  55. <p>
  56. <p>
  57. <li> <b>12 August 2002, uClibc 0.9.14 Released</b>
  58. <br>
  59. CodePoet Consulting is slightly less pleased then usual to announce the
  60. immediate availability of uClibc 0.9.14. This is, unfortunately, a bugfix
  61. release intended to fix the couple of dumb things that slipped into the
  62. previous release. Version 0.9.13 of uClibc would fail to compile when
  63. enabling both RPC and Pthreads. There was also a problem with RPC thread
  64. local storage (but noone noticed since it didn't compile ;-). Also, the
  65. thread locking in exit(), onexit() and atexit() was broken, and wasn't
  66. actually locking anything. This release also fixes uClibc's gcc wrapper
  67. to use crtbeginS.o and crtendS.o when compiling PIC code, fixing a subtle
  68. bug (that was much less subtle on powerpc). Finally, this release includes a
  69. few minor compile warning cleanups.
  70. <p>
  71. The
  72. <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/Changelog">Changelog</a>
  73. and <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/uClibc-0.9.14.tar.bz2">source code</a>
  74. for this release are available <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/">here</a>.
  75. <p>
  76. Have fun!
  77. <p>
  78. <li> <b>12 August 2002, Native uClibc/gcc-3.1.1 toolchain released</b>
  79. <br>
  80. CodePoet Consulting (i.e. Erik) has released an updated native
  81. uClibc/gcc-3.1.1 toolchain. This toolchain builds a real gcc cross
  82. compiler (i.e. not just a wrapper) and creates executables linked vs
  83. uClibc. This toolchain has been (briefly) tested as working on x86, arm,
  84. mips, and arm7tdmi (uClinux). This toolchain provides a number of
  85. improvements over previous releases. In particular, Steven J. Hill found
  86. and fixes a number of "glibc-isms" in the libstdc++ math support which
  87. caused a number of math functions to be mapped to the non-standard named
  88. under GNU libc. This release also includes greatly improved uClinux
  89. "elf2flt" support, and it now produces working flat binaries for my
  90. uClinux/arm7tdmi system. The native uClibc/gcc-2.95 toolchain will be
  91. updated in a few days, and will include STLport which will allow that
  92. toolchain to also provide full C++ support.
  93. <p>
  94. This toolchain should make it easy for anyone to build uClibc based
  95. applications. <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/toolchain/">
  96. Source code can be downloaded here</a>.
  97. Be aware that much of the needed source code will actually be downloaded on
  98. demand when you compile things. To build the toolchain, simply
  99. grab the source, edit the Makefile to select where you would like
  100. the toolchain installed, run 'make', and then go watch TV, eat
  101. dinner, or visit with your friends while it compiles. It takes
  102. about 15 minutes for Erik to compile the gcc-3.1.1 toolchain (w/C++ support)
  103. on his Athlon XP 1600 (not counting the time it takes to download
  104. source code). Your results may vary...
  105. <p>
  106. <li> <b>9 August 2002, uClibc now mirrored on kernel.org!</b>
  107. <br>
  108. uClibc is now available from the kernel.org mirrors! This should make
  109. uClibc downloads much faster. The kernel.org mirrors will have all
  110. uClibc release versions (everything but the daily snapshots).
  111. Here is a list of all the <a href="http://kernel.org/mirrors/">kernel.org mirror sites</a>.
  112. Just pick the closest mirror site, and then go to "/pub/linux/libs/uclibc/"
  113. to download uClibc. For example, is you live the USA, you can go to
  114. <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/">
  115. http://www.us.kernel.org/pub/linux/libs/uclibc/</a> to download the latest
  116. uClibc release from a nice fast system.
  117. <p>
  118. <p>
  119. <p>
  120. <li> <b>9 August 2002, uClibc 0.9.13 Released</b>
  121. <br>
  122. CodePoet Consulting is pleased to announce the immediate availability of
  123. uClibc 0.9.13. After several days of testing, this release is looking very
  124. solid. This release fixes three security vulnerabilites in previous
  125. releases. There was an off-by-one buffer overflow in the group handling
  126. code, and integer overflows in calloc() and xdr_array().
  127. <p>
  128. This release adds native shared library support for the Hitachi
  129. SuperH architecture, thanks to Stefan Allius and Edie C. Dost. A
  130. new mmap based malloc was implemented by Miles Bader. This is much
  131. smarter than the old "malloc-simple" and is now the default for
  132. mmu-less systems, where it should greatly help reduce memory
  133. fragmentation and wastage. In addition to these larger items, there
  134. has been a <em>lot</em> of work done to make uClibc a cleaner, more
  135. capable, library. Most applications now compile and run without
  136. any trouble.
  137. <p>
  138. The
  139. <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/Changelog">Changelog</a>
  140. and <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/uClibc-0.9.13.tar.bz2">source code</a>
  141. for this release are available <a href="http://www.us.kernel.org/pub/linux/libs/uclibc/">here</a>.
  142. <p>
  143. Have fun!
  144. <p>
  145. <li> <b>11 July 2002, Native uClibc toolchains updated</b>
  146. <br>
  147. CodePoet Consulting (i.e. Erik) has released updated native
  148. uClibc/gcc-3.1 and uClibc/gcc-2.95 toolchains. These toolchains
  149. build real gcc cross compilers (i.e. not just a wrapper) and create
  150. executables linked vs uClibc. These toolchains have been tested
  151. and found working on x86, arm, and mmu-less arm. They should work
  152. (at least in theory!) for all architectures supported by uClibc.
  153. <p>
  154. These toolchains should make it easy to anyone to build uClibc based
  155. applications. <a href="downloads/toolchain/">Source code can be downloaded here</a>.
  156. Be aware that much of the needed source code will actually be downloaded on
  157. demand when you compile things. To build the toolchain, simply
  158. grab the source, edit the Makefile to select where you would like
  159. the toolchain installed, run 'make', and then go watch TV, eat
  160. dinner, or visit with your friends while it compiles. It takes
  161. about 15 minutes for Erik to compile the gcc-3.1 toolchain (w/C++ support)
  162. on his Athlon XP 1600 (not counting the time it takes to download
  163. source code). Your results may vary...
  164. <p>
  165. <P>
  166. <li> <b>20 June 2002, uClibc 0.9.12 Released</b>
  167. <br>
  168. CodePoet Consulting is pleased to announce the immediate availability of
  169. uClibc 0.9.12. This release adds an i960 port, an initial alpha port,
  170. fully working mips shared library support, shared library support fixes
  171. for on powerpc, and many other improvements. One very exciting new feature
  172. is nearly complete locale support, thanks to a lot of hard work by Manuel
  173. Novoa III. uClibc's locale support is <em>much</em> smaller than glibc's,
  174. though it is also slightly less flexible. This release was delayed by a
  175. month due to the arrival of a new baby at Erik's house. For those that
  176. have been anxiously waiting, this release should certainly be worth the
  177. wait. Have fun!
  178. <p>
  179. The <a href="downloads/Changelog">Changelog</a>
  180. and <a href="downloads/uClibc-0.9.12.tar.bz2">source code</a>
  181. for this release are available <a href="downloads/">here</a>.
  182. <li> <b>28 May 2002, Native uClibc/gcc-3.1 toolchain</b>
  183. <br>
  184. CodePoet Consulting has released source code and a Makefile to build a
  185. gcc-3.1 toolchain that natively targets uClibc. Additionally, the
  186. gcc-3.0.4 and gcc-2.95 toolchains have also been updated. These toolchains
  187. make it easy to build uClibc based applications. Source code can be
  188. downloaded <a href="downloads/toolchain/">here</a> and is now much smaller,
  189. since much of the needed binutils and gcc source code is now downloaded on
  190. demand. To build the toolchain, simply grab the source, edit the Makefile
  191. to select where you would like the toolchain installed, and then run 'make'
  192. and wait for it to compile.
  193. <p>
  194. <p><li> <b>10 April 2002, uClibc 0.9.11 Released</b>
  195. <br>
  196. CodePoet Consulting is pleased to announce the immediate availability of
  197. uClibc 0.9.11. This release is primarily focused on fixing the issues that
  198. have turned up since the last release. Several bugs in the gcc wrapper
  199. have been fixed, allowing applications such as iproute2 and XFree86 to link properly.
  200. Large file support has been improved, and a thread locking bug was
  201. fixed that could cause s*printf calls to deadlock when threading was
  202. enabled. Several bugs were also fixed with the powerpc, h8300, m68k,
  203. sparc, and mips architecture support. Many additional applications now
  204. compile and run perfectly and have been added to the <a
  205. href="uClibc-apps.html">working applications list</a> .
  206. <p>
  207. The <a href="downloads/Changelog">Changelog</a>
  208. and <a href="downloads/uClibc-0.9.11.tar.bz2">source code</a>
  209. for this release are available <a href="downloads/">here</a>.
  210. <p>
  211. <li> <b>10 April 2002, Native uClibc/gcc-3.0.4 toolchain</b>
  212. <br>
  213. CodePoet Consulting has released source code and a Makefile
  214. to build a gcc-3.0.4 toolchain that natively targets uClibc.
  215. This brings with it full C++ support for uClibc, including the
  216. libstdc++ library. A gcc-2.95.x toolchain will also be released
  217. shortly, but is not yet ready. At this time, only source code and
  218. a Makefile for the native uClibc toolchain is being released (i.e.
  219. no binaries, sorry). Source code can be downloaded
  220. <a href="downloads/toolchain/">here</a>,
  221. but be aware that the source code is 27 MB.
  222. <p>
  223. To build the toolchain, simply grab the source, edit the Makefile
  224. to select where you would like the toolchain installed. Then
  225. run 'make' and wait for it to compile. If you do not have a copy
  226. of uClibc already, it will download the latest daily snapshot.
  227. <p>
  228. <li> <b>21 March 2002, uClibc 0.9.10 Released!</b>
  229. <br>
  230. CodePoet Consulting is pleased to announce the immediate
  231. availability of uClibc 0.9.10. This release adds pthreads support
  232. (including pthreads support for mmu-less systems!). Additionally,
  233. thanks to Manuel Novoa III, we now have a completely new stdio
  234. library, which is small, standards compliant, supports pthreads,
  235. wide/narrow streams, large files, and can even operate in a
  236. low-memory unbuffered mode. Many, many bugs have been fixed and a
  237. number of additional applications now compile and run perfectly.
  238. Even with all these changes, uClibc continues to be very small.
  239. On x86, a default build of the uClibc C library is still just 168k.
  240. <p>
  241. To make things more interesting, the release also adds support for
  242. C++ constructors and destructors. To make it easy to use uClibc
  243. when developing C++ applications, this release also provides a
  244. wrapper for the GNU C++ compiler. Of course, for more complex C++
  245. applications, such as those using iostreams, a standard C++ library
  246. (libstdc++) is required. A native GNU toolchain (binutils/gcc) that
  247. provides libstdc++ linked with uClibc 0.9.10 will be released in the
  248. next couple of days, so stay tuned.
  249. <p>
  250. The <a href="downloads/Changelog">Changelog</a>
  251. and <a href="downloads/uClibc-0.9.10.tar.bz2">Source code</a>
  252. for this release are available <a href="downloads/">here</a>.
  253. <p>
  254. <p>
  255. <li> <b>4 February 2002, uClibc 0.9.9 Released!</b>
  256. <br>
  257. CodePoet Consulting is pleased to announce the immediate
  258. availability of uClibc 0.9.9. With this release,
  259. <a href="uClibc-apps.html">just about
  260. everything we have tested now compiles and runs</a>. In fact,
  261. there are now so many programs on the working application list that
  262. rather than continue to add to this list, from now on we
  263. will only be adding applications to the <em>not working list</em>. Most applications
  264. on the <em>not working list</em> either require pthreads, or require
  265. wide-character support. Work on wide-character support is
  266. well underway, and will hopefully be moving into CVS in the next week or
  267. two. Full pthreads support and rentrancy are on the TODO list
  268. and are expected to be complete in the next couple of months.
  269. <p>
  270. The <a href="downloads/Changelog">Changelog</a>
  271. and <a
  272. href="downloads/uClibc-0.9.9.tar.bz2">Source code</a>
  273. for this release are available <a href="downloads/">here</a>.
  274. <p>
  275. One final bit on news -- as some of you may have noticed, uclibc.org
  276. has been a bit overloaded and somewhat slow recently. The server should
  277. be getting colocated tomorrow, which will eliminate the speed problem.
  278. During the move, there may be some temporary disruption of service...
  279. <p>
  280. Have Fun!
  281. <p>
  282. <li> <b>22 December 2001, uClibc 0.9.8 Released!</b>
  283. <br>
  284. After many months of initial development, we are pleased to announce the
  285. release of uClibc 0.9.8. This release should be quite solid, and is very
  286. usable. This also, hopefully, marks a transition from a slow incubation
  287. phase to a more methodical release cycle. From now one, there should be
  288. approximately one release per month.
  289. <p>
  290. The source code for this release is available
  291. <a href="downloads/">here</a>.
  292. <p>
  293. <li> <b>26 November 2001, powerpc shared libraries fully working</b>
  294. <br>
  295. Dave Schleef finished off the the work needed for shared library support on
  296. powerpc. There had been a few problems remaining, and those are now squashed.
  297. So shared libs on powerpc should be working fully now.
  298. <p>
  299. <li> <b>14 November 2001, m68 compiles again, Large file support working</b>
  300. <br>
  301. About a month ago I synced the header files with glibc 2.2.4 for better
  302. C++ support and better standards compliance. I forgot to sync up m68k,
  303. sparc, powerpc, and mipsel. Dave Schleef fixed powerpc while he was fixing
  304. up the shared lib loader. I just fixed up m68k, sparc, and mipsel so they
  305. should all compile again.
  306. <p>
  307. I also finished up fixing large file support (just enable DOLFS in your
  308. Config file to enable it) and it is working just great, and greatly increases
  309. the number of glibc applications that will work "out-of-the-tarball" without
  310. needing any changes.
  311. <li> <b>12 November 2001, powerpc shared lib support</b>
  312. <br>
  313. Thanks to David Schleef, uClibc now has full shared library support
  314. on powerpc. This brings full shared library support to x86, ARM, and
  315. now powerpc. Thanks Dave!
  316. <p>
  317. <li> <b>7 November 2001, uClibc application list</b>
  318. <br>
  319. uClibc now has a <a href="uClibc-apps.html">list of applications</a>
  320. that are known to work. If you have any applications to add to the
  321. list, submissions are welcome!
  322. <p>
  323. <li> <b>18 October 2001, buildroot uClibc example system</b>
  324. <br>
  325. Those wanting an easy way to test out uClibc and give it
  326. a test drive can download and compile
  327. <a href="http://www.uclibc.org/downloads/buildroot.tar.gz">buildroot.tar.gz</a>. This
  328. is a nifty buildsystem that will automagically download and build
  329. a <a href="http://user-mode-linux.sourceforge.net/">User-Mode Linux</a>
  330. kernel, and will then download source for and compile up a fully
  331. working uClibc based root filesystem. This should make it easy for
  332. people to create their own projects. I hope that this build system
  333. will allow people to more easily use and build uClibc based systems.
  334. As an example of how nicely this works, the
  335. <a href="http://tuxscreen.net/">Tuxscreen Project</a> is using a
  336. <a href="http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/tuxscreen/buildroot-tux/">slightly adjusted variant of the buildroot system</a> to cross
  337. compile the blob bootloader, linux kernel, and a uClibc based jffs2
  338. root filesystem (busybox, tinylogin, udhcp, lrzsz, pcmcia-cs and
  339. microwindows) for ARM. Pretty cool.
  340. <p>
  341. <li> <b>11 October 2001, v850 architecture support</b>
  342. <br>
  343. Miles Bader has contributed support for the v850 architecture.
  344. <p>
  345. <li> <b>25 Spetember 2001, header files updated</b>
  346. <br>
  347. uClibc's header files are now in sync with glibc 2.2.4,
  348. allowing better standards compliance, better portibility, and
  349. better C++ support.
  350. <p>
  351. <li> <b>4 July 2001, ARM shared library support</b>
  352. <br>
  353. uClibc now has full shared library support on ARM.
  354. <p>
  355. <li> <b>9 May 2001, libm added</b>
  356. <br>
  357. uClibc now has a very complete math library.
  358. <p>
  359. <p> <li> <b>9 May 2001, ld.so added</b>
  360. <br>
  361. uClibc now has a native ld.so. It currently is only ported to work on x86,
  362. but porting to other architectures should not be too difficult.
  363. <p> <li> <b>15 March 2001, powerpc port added</b>
  364. <br>
  365. David Schleef contributed a powerpc port, which is now in CVS.
  366. <p> <li> <b>19 February 2001, SH port added</b>
  367. <br>
  368. Jean-Yves Avenard contributed an SH port. See his email
  369. with the initial patch <a href="/lists/uclibc/2001-February/000409.html">here</a>.
  370. <p> <li> <b>16 January 2001, uClibc as a shared library</b>
  371. <br>
  372. As if January 16, uClibc can now be used (at least on x86) as a shared
  373. library. See the <a href="/lists/uclibc/2001-January/000126.html">email</a>
  374. announcing this achievement.
  375. <p> <li> <b>11 January 2001, gcc wrapper added</b>
  376. <br>
  377. Manuel Novoa III has created a wrapper for gcc that makes compiling apps vs uClibc
  378. as simple as just setting "CC" to gcc-uClibc-&lt arch&gt. This even works when cross
  379. compiling! Very cool.
  380. <p> <li> <b>3 January 2001, uClibc now has a web page</b>
  381. <br>
  382. A lot of work has been going on under the hood with uClibc,
  383. so I decided to put together this webpage to let the world know
  384. that it exists and is getting to be very usable.
  385. </ul>
  386. <!-- End of Table -->
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