Newer
Older
brand new ares_cancel() function which is not present in c-ares 1.1.0.
When told to enable ares, the configure script now checks for presence of
the ares_cancel function to alert users if they attempt to use a too old
c-ares library.
Daniel (31 March 2004)
- Roy Shan fixed a flaw that prevented ares name resolve timeouts to occur!
- Dirk Manske found out that libcurl timed out waiting for resolves far too
easy when libcurl was built to use (c-)ares for name resolving.
- Further Digest fixing and a successful test case 153 now makes me believe
Mitz Wark's problems are fixed.
- Andres Garcia figured out that test case 63, while working, only proved a
flaw in libcurl's 'http_proxy' parser when a user name and password is
provided. The user name was not extracted properly (and 'http' was always
used as user name).
- Andrés García fixed compiler warnings in our ioctlsocket() usage.
Daniel (30 March 2004)
- Joe Halpin faced problems with the getnameinfo() argument ai_flags and the
particular bit named 'NI_WITHSCOPEID' on Solaris 9 for Intel. I've now
written a configure test that checks for a working NI_WITHSCOPEID
implemenation. No code uses the result from this test yet, it is still
experimental. James Carlson wrote in comp.unix.solaris: "It's a bug
(5006623) -- it's not supported and shouldn't be in the header file."
- I provided Mitz Wark with a first patch in order to fix libcurl's problems
to re-negotiate Digest authentication (when 'stale=true' is included in the
response header).
- Roy Shan discovered that the multi interface didn't properly timeout name
lookups which could make handles get stuck in that state and thus never get
completed. I've produced a first test patch that attempts to correct this.
- David Byron's patch was appplied to make CURLOPT_FAILONERROR work nicely
even with authentcations such as NTLM or Digest enabled. Test cases 150, 151
and 152 were added to verify the functionality.
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
Daniel (29 March 2004)
- Gisle Vanem updated files for the djgpp/MS-DOS build.
- Andrés García helped me work out a fix for the runtests.pl script to make
the file:// tests run fine when tested with the mingw-built version of curl.
- Fixed an include issue with netinet/tcp.h on AIX, based on input by Tor.
This also required a minor fix of the configure script.
- The postit2.c source example used the wrong struct name for the post data.
Daniel (26 March 2004)
- Gisle Vanem improved ipv6 support on windows by making the curl build to use
the correct getaddrinfo() function.
Daniel (25 March 2004)
- It turned out that AIX, despite having a "thread-safe libc", doesn't offer
all traditional functions thread-safe. This URL is informative on this
subject:
http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixprggd/ \
genprogc/thread_quick_ref.htm
As a result of this, we now check for three *_r() functions on recent AIX
versions as well that the URL mentions aren't thread-safe in AIX 5.1.
- renamed curl_strerror.[ch] to strerror.[ch]
- Joe Halpin added CURLOPT_TCP_NODELAY and --tcp-nodelay to make it possible
for users to disable the Nagle algorthim-usage.
- Tor Arntsen provided some interesting strerror_r() knowledge. glibc has its
own API which differs from the POSIX one. Daniel adjusted the configure
script to detect the version in use, and the code now uses the new defines
accordingly.
- Fixed some build flaws with the new lib/curl_strerror.c source file.
Daniel (24 March 2004)
- Gisle Vanem's fix to replace the bad use of strerror(). This introduces
Curl_strerror() that attempts to be thread-safe _and_ works on Windows too!
- Tor Arntsen spell-fixed lots of libcurl man pages.
- Tor Arntsen made testcurl.pl work with older perl 5 versions, and Daniel
made it not use chdir .. to go back, as that isn't very good when you've
setup a testdir containing symlinks.
- Added a check for strerror_r() in the configure script.
Daniel Stenberg
committed
Daniel (23 March 2004)
- Added Greg Hewgill's testcurl.pl script to CVS. We have not moved over to
use this script for the real distributed testing just yet, but it is only
a matter of time.
- Gisle Vanem provided code that makes curl report a better error message
if --interface fails on windows.
Daniel Stenberg
committed
- The regular progress meter is now fixed to never wrap due to long lines. All
fields are now static sized. If the time in the time fields get a time value
that would represent a time that is 100 hours or more (if not, it remains
using a HH:MM:SS display), it switches first to a "NNNd NNh" display (for
days and hours) and if that isn't enough it switches to a "NNNd" display if
it is more than 999 days.
Several of the calculations were also moved to fixed-point math instead of
using doubles.
Daniel (22 March 2004)
Daniel Stenberg
committed
- Glen Nakamura noticed CURLINFO_CONTENT_LENGTH_DOWNLOAD didn't work as it
used to do if CURLOPT_NOBODY is set TRUE.
- Kevin Roth patched the cygwin package makefile and README to adjust to
new cygwin packaging guidelines.
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
- Enabled "NT responses" in the NTLM authentication. Doing this simply means
that we provide an extra chunk of data in each "type-3 message". The only
reason for doing this is that it seems that using only the "Lanmanager hash"
(as we've been doing until now) doesn't support passwords longer than 14
characters and it turns out there are users out there who want to use
libcurl and NTLM with such passwords! ;-) Seven NTLM-related test cases were
updated accordingly. Mentioned as issue 29 in TODO-RELEASE, bug report
#915609
- Moved the generated libcurl version info to a new header file, named
curl/curlver.h. Now interested parties can include ONLY version info, should
anyone want that (and it seems at least some windows resource files would).
Mentioned as issue 27 in TODO-RELEASE.
Daniel (21 March 2004)
- Fixed the root Makefile to use tabs for the netware target. Günter Knauf
pointed this out.
- Marty Kuhrt's VMS cleanup
- Thomas Schwinge made buildconf recognize ACLOCAL_FLAGS to invoke aclocal
with particular pre-determined options.
Daniel (18 March 2004)
- Tor Arntsen brought some info about SGI IRIX:
IRIX supports 3 different executable/object formats, -32, -n32 and -64.
-n32 is default 32-bit format, -32 is the "old" 32-bit format, and -64 is
the 64-bit format. Libraries for the different formats are in lib, lib32
and lib64 respectively.
We've now adjusted the configure script to adapt to this when scanning for
3rd party libs, such as OpenSSL.
- Watz pointed out a few missing files in the MSVC project description file.
- Günter Knauf brought patches, code and makefiles to build curl on Novell
NetWare.
- Lots of libcurl man pages were updated to contain references to other man
pages the recognized way so that they appear as nice hyperlinks in the HTML
versions.
- buildconf now checks the m4 version too, since autoconf requires a GNU m4
version to build proper configure scripts.
Daniel (12 March 2004)
- Added CURLOPT_POSTFIELDSIZE_LARGE, the large file version of
CURLOPT_POSTFIELDSIZE to allow POSTs larger than 2GB.
- David Byron fixed an uninitialized variable case/crash.
Daniel (10 March 2004)
- Jeff Lawson fixed the SSL connection to deal with received signals during the
connect.
- Changed the OS string for win32 to become "i386-pc-win32".
Daniel (9 March 2004)
- Changed the internals to use curl_socket_t for socket variable type. This
should enable us to build with less warnings on Windows, where SOCKET is
used which is an unsigned int, while most other platforms use a mere int.
- Modified lib/config-win32.h to build fine on MSVC again.
Version 7.11.1-pre1 (8 March 2004)
Daniel (8 March 2004)
- Minor fix to make curl CURL_VERSION_LARGEFILE is only set if curl_off_t is
larger than 4 bytes.
Daniel Stenberg
committed
- Improved PUT/POST with NTLM/Digest authentication, the so called issue 12.
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
- Modified the test HTTP server a lot to work with the upcoming changes for
PUT/POST with NTLM/Digest authentication (like test case 88). Added Andrés
García's win32-changes. Improved the logging.
- Fixed the file:-related progress/getinfo stuff a bit more.
Daniel (4 March 2004)
- I corrected a problem with the multi interface when following a Location:
header or when doing multiple-request authentications. A subsequent request
could erroneously re-use a previous connection that was sent with
Connection: close. Christopher R. Palmer reported.
- Andrés García patched curl to prevent warnings while compiling with mingw,
mainly because it is now possible to have both WIN32 and HAVE_CONFIG_H
defined.
- When transferring files from a file: URL, the progress meter and other
transfer metrics were not updated properly.
- David Byron provided a "version resource" file to the curl executable for
the windows builds.
- David Byron's work on making libcurl only require winsock 1.1 on Windows
machines.
- More variable cleanups based on compiler warnings generated by Tor Arntsen's
autobuilds with MIPSPro.
- Joe Halpin helped us fix some pedantic compiler warnings on FreeBSD.
- Applied Tom Bates' patch to build on nsr-tandem-nsk.
- Dan Fandrich corrected some flaws in the configure GSS detection.
Daniel (2 March 2004)
- Fixed the libcurl code to use FORMAT_OFF_T for printf() formatting
curl_off_t types internally.
- Added CURL_VERSION_LARGEFILE as a feature-bit in the curl_version_info()
response, that signals if this libcurl supports >2GB files. curl -V now
outputs 'Largefile' in the Features: field if this is the case. Most systems
are likely to support this.
- We offer a CURL_FORMAT_OFF_T define in the public header, which can be used
to printf() curl_off_t variables. We also modified the libcurl sources to
use this define instead of the previous %Od approach (although I've left the
O-flag functional in the code). This should also prevent compilers to warn
on the home-grown option.
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
- Fixed the resume-check code to test for a working resume at the end of the
headers and not at the first body-byte.
- CURLOPT_DNS_USE_GLOBAL_CACHE is now considered obsolete. Stop using it. If
you need a global DNS cache for whatever reason, use the share interface and
you'll get a global cache that works the way it should work. You can even
have any number of global caches, all at your command. This is now also
mentioned in the docs.
- Made the *printf code support the z-flag to enable size_t printf() in a
manner similar to how glibc allows it. To make printfing of this work on
platforms with 64bit size_t and 32bit ints. If there even are any! ;-)
- Christopher R. Palmer discovered that if you CURLOPT_FRESH_CONNECT and
CURLAUTH_NTLM (or CURLAUTH_ANY and libcurl then picked NTLM), libcurl would
loop without succeeding to authenticate due to the new connection that was
made for all round-trips in the authentication. Now, the FRESH_CONNECT is
remade to only matter for the first connection made with curl_easy_perform()
and all the rest that might follow due to FOLLOWLOCATION or HTTP
authentication are now ignoring that option.
- Adjusted the QUIT code slightly since it could core-dump.
- Corrected the test suite's FTP server to provide a correct size to the
'verifiedserver' request.
Daniel (27 February 2004)
- Joe Halpin made the FTP code send QUIT on the control connection before
disconnecting the TCP connection. This is what good-behaving ftp clients
should do.
Daniel (26 February 2004)
- David Byron updated several files to make curl build fine on MSVC 6. He
also added the 'buildconf.bat' that works like the 'buildconf + configure'
combo does on unixes.
- Gisle Vanem made the memdebug stuff support calloc() as well.
- Tor Arntsen pointed out that testcurl.sh needed to remove the generated
files in order to have them re-generated in each build.
- Andy Serpa found out that the share interface did not enjoy life when not
having the lock and unlock callbacks set, even though documented to be
OK. It still is OK, and now the code won't segfault anymore!
Daniel (25 February 2004)
- Based on a patch by Greg Hewgill I modified how long long is used in the
mprintf code, as we can use a 64bit type with MSVC that is a long long
equivalent. This corrects some weird large file behaviors on windows.
- Tor Arntsen helped me work out --enable-debug to work better with different
versions of the gcc and icc compilers.
- Added CURLOPT_SHARE to the curl_easy_setopt.3 man page.
Daniel (22 February 2004)
- Applied the final pieces of Gisle Vanem's patch that brings a working name
resolve timeout to the windows versions of curl!
Daniel (21 February 2004)
- David Byron's fix to allow the speed-limit logic work even if you set
limit-rate. It does work on the expense of the rate limiter.
Daniel (20 February 2004)
- configure --enable-debug with gcc now also tries to detect the icc compiler
(which somehow gets treated as if it is a gcc) to stop using all the gcc
options with it, and we also provide -isystem options for each extra -I
option the configure script has figured out (for OpenSSL, kerberos, zlib,
Heimdal etc). This of course to prevent warnings on headers we don't have
control of.
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
Daniel (19 February 2004)
- Doug Porter made libcurl use the HOME environment variable before the
getpwuid results when looking for .netrc files.
- If 'configure --enable-debug' is used with gcc, it now checks which gcc
version it is and uses as picky compiler options as possible for the
particular version.
- Code that can be used in both the lib and in the curl app is now made to use
the curlx_ prefix. The first function to be available like this is the
curlx_strtoll() function. This is made to allow the app to use existing code,
but without polluting the libcurl API. Further explanations posted here:
http://curl.haxx.se/mail/lib-2004-02/0215.html
Daniel (18 February 2004)
- Fixed buildconf to not use "which" as AIX and Tru64 have what have been
referred to as "horribly broken 'which' programs".
- Made sure dns cache timeout set to -1 really means caching forever.
Daniel (17 February 2004)
- Made it possibly to build c-ares with the libcurl memdebug system to better
track memory.
Daniel (16 February 2004)
- When using ares, we now initialize the ares 'channel' in curl_easy_init()
and re-use that same handle during the entire curl handle's life-time. It
improves performance.
- Fixed a problem when displaying verbose for ipv6-enabled libcurls and
re-used connections. Problem reported and fix verified by Grigory Entin.
- Jeff Lawson fixed the version-check in the SOCKS5 code.
Daniel (15 February 2004)
- Fixed a case where a host cache entry was not flagged in-use properly when a
cached entry was used.
- Andrés García's patch that checks for winmm in the configure script was
applied.
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
Daniel (13 February 2004)
- Ben Greear's SO_BINDTODEVICE patch for the binding of the local end to a
specific network interface.
- Greg Hewgill found out that the variable holding 'contentlength' wasn't big
enough to hold a large file!
- Tor Arntsen fixed a 64bit-related problem in date-related code in the ftp
department, and there was another potential problem in the name resolve code
too.
Daniel (11 February 2004)
- Removed a few variables that were only set but never used, as some compilers
warn about that and we do not like compiler warnings!
- Removed the need for symlinks in the tests/data directory if curl is built
outside of the source directory and the 'make test' is used. This was done
by providing a "source dir path" to the scripts/servers.
- Now, if the configure script can't find an nroff tool or an option to nroff
to use to convert man pages with, it will completely switch off the built-in
manual.
- 'configure --disable-manual' completely disables the built-in manual from
the curl command tool.
- Andrés García fixed the configure script and a minor source edit, and now
he has managed to get msys/mingw to run configure and then build!
Daniel (9 February 2004)
- The default HTTP Accept: header was modified to the much simpler
"Accept: */*".
- P R Schaffner updated the curl-ssl spec file for RPMs.
- Dominick Meglio brought lots of documentation for the share interface's man
pages that were previously missing.
- Tor Arntsen provided a patch that makes libcurl work-around a bug in the
AIX5 implementation of getaddrinfo(). This makes the FTP PORT stuff work on
ipv6-enabled AIX builds.
- Ken Rastatter provided portability fixes for the curlgtk.c example, and now
it runs on windows with GTK as well!
Daniel (6 February 2004)
- Andrés García made the configure script find gethostbyname() fine when run
with mingw on windows.
- Modified the ldap code to use proper function pointers all over (instead of
mixed data and function pointers) to work-around the picky MIPSPro compiler
warnings.
- A custom Host: header is only considered if the request is not made by
following a location. After discussions with Tim Baker.
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
Daniel (5 February 2004)
- The libz part of the configure script now only set the two libz-related
define HAVE_ZLIB_H and HAVE_LIBZ if both the lib and the header is found.
If one is missing, none of the defines is set.
- Andrés García fixed the Mingw makefiles.
- Len Krause reported that curl 7.9.X could do uploading from stdin without
doing chunked encoding, which current curl cannot do even if you disable
the transfer-encoding chunked header. Now it can again, and test case 98
verifies this functionality.
- Tor Arntsen fixed a weird getaddrinfo() usage in the FTP code, preventing
the ipv6-code for PORT work on AIX 5.2. We now also provide (better) error
messages when bailing out in the that function.
- Tor Arntsen now provides AIX and IRIX (using gcc, xlc and the MIPSPro
compilers) automated build logs (http://curl.haxx.se/auto/) and we've fixed
numerous minor quirks to make less warnings appear.
Daniel (4 February 2004)
- Based on a patch by Gilad, we now use the custom timeouts when waiting for a
server to connect when using FTP PORT. Previously we always waited 10
seconds, no more no less. We now also changed the default (if no timeout is
set) to wait 60 seconds for the connect before we fail.
Daniel (3 February 2004)
- Modified to link with c-ares instead of ares.
Daniel (2 February 2004)
- Added a configure test to check for which option the (g)nroff tool wants
to extract plain text from the man pages. Tor Arntsen told us the AIX
version of GNU gnroff doesn't support -man!
- Added an undef of accept in memdebug.h to make curl build with --enable-debug
on AIX 5.2 which seems to have accept defined. Reported by Tor Arntsen.
- curl_version() now includes c-ares version info, and curl_version_info() now
returns a struct with version SECOND that also includes that info.
- We are now officially using c-ares for asynch name resolves. c-ares is the
new library, based on the existing ares but with an extended and slightly
modified API.
- Dirk improved the ares timeout code, and now we also include the ares error
string when we fail to resolve a name.
- Another tweak to make test case 91 run fine. Now we have another bit on a
connection that is set true if the connection is marked for 'retry'. That
makes the connection get closed and re-opened and the HTTP-done code must
not complain on the fact that no data was received.
- Based on Dirk Manske's patch, I modified the name resolving with ares to
feature a timeout for really slow lookups. It now defaults to 300 seconds,
but is now adjusted to the CONNECTTIMEOUT/TIMOUE timeouts if one of them
is set.
- Fixed the inclusion of ca-bundle.h to really use the one in the build dir
before the one in the source dir. Domenico Andreoli found out and reported.
- Added test case 97, a simple POST with a custom Content-Type header
replacing the original application/x-www-form-urlencoded one.
- Added code that attempts to fix the test 91 failure. As has been figured out
by Patrick Smith, the error happens because we re-use a connection that the
server is just about to close and we even manage to send away the request
without seeing an error. On the first read attempt we get a ECONNRESET.
Starting now, we attempt to detect this and if so, we retry the request on a
fresh connection.
- I added test case 510 which is a custom program that does a POST using a
read callback, with chunked transfer-encoding.
- Adjusted one of the MPE/iX changes as it made test case 504 fail all over.
- Added --socks as a recognized option. It works just like --proxy but sets a
SOCKS5 proxy to use. SOCKS5 support has been available in libcurl for a
while, just not provided by the curl tool. This does not currently work for
IPv6-enabled libcurls.
- Stadler Stephan pointed out that src/hugehelp.c included config.h without
checking the define if its present...
- Ken Hirsch provided patches to make curl build fine on the MPE/iX operating
system.
- Dan Fandrich compiled curl with lots of aggressively pedantic compiler
options and thus found a few minor errors and did some general cleanups to
avoid them.
- Dirk Manske fixed a flaw in ares that prevented it to use non-blocking
sockets properly.
- Richard Bramante fixed chunked transfer-encoded "uploads" to send a final
CRLF combo properly.
- Made the response-headers during a CONNECT request to a proxy get passed on
as regular headers, so they appear with -i/-I options and similar.
- Based on a patch by Gisle Vanem, I've made the progress meter display
properly switch to a GB-display when more than 9999MB have been transfered.
- Gisle Vanem pointed out a curlrc parser problem/crash when an option with a
required didn't have one and was on the last line of a file.
- More Windows fixes for large files. We now build and link with
../lib/strtoofft.c in the app code since Curl_strtoll() is not a provided
libcurl function... Perhaps we should consider a 'common' dir or similar
where we put source code used in both the lib and the client. Or perhaps
we'll just make this function available in the library...
- Vincent Bronner found out the socks5 code crashed when no username was
set.
- Vincent Bronner spotted a problem with proxy username/password when re-using
- Fixed the progress meter display for files larger than 2^31 bytes. Gisle
Vanem reported.
- Gisle Vanem made strtoll() get used when curl is built with the mingw
compiler.
- Gisle Vanem fixed the compressed help text code to display properly.
- Removed the '#define HttpPost' from the public header file, as curl_httppost
is the proper name and it has been for quite some time now. Fixes another
name space pollution.
- Added 'curl_off_t' typedef in the public header file, to be used to provide
large file sizes to the *_LARGE options. Adjusted the code all over to use
this variable type instead of 'off_t'. This is an attempt to make the large
file support work on more platforms. The configure script now checks the
size of the curl_off_t instead of the plain off_t.
Daniel (21 January 2004)
- Removed the defines in the public header file with TIMECOND_ prefixes. They
have been obsolete since April 22nd 2002, and if this causes anyone any
problems now it is very easy to just add CURL_ to the names. This corrects
this name space pollution.
Daniel (19 January 2004)
- David Byron cleaned up how --trace with no option was treated, and also
arguments in a config file without a required parameter!
Daniel (16 January 2004)
- Gisle Vanem fixed a few issues where compilers warned about variables
possibly being used unassigned.
- Minor Interix build problem fixed.
Daniel (15 January 2004)
- Peter Sylvester pointed out some necessary escaping needed in the
acinclude.m4 file when automake 1.8 or later is used.
- Vincent Bronner fixed the Curl_resolv() return code. This extends the fix
Steve Green provided on december 3...
- Luke Call made the win32 version of the password prompting function support
backspace.
- Dan Fandrich fixed the hugehelp source file to contain both a compressed and
an uncompressed version in the distribution, so that more people easier can
build curl with the compressed version.
- Diego Casorran brought another AmigaOS build patch for native Amiga builds.
- Matt Veenstra updated the Mac OS X framework files.
- Brian R Duffy brought a section to the INSTALL file on how to build a
SSL-enabled curl using the free Borland C++ compiler. He also updated the
Borland lib/Makefile.b32.
- I fixed the test case 509 which I broke yesterday. Now the libtest are
compiled with an include path that points to the library's source dir, so
that the libtests can include files from the source tree. This was made to
make it possible to use the USE_SSLEAY define in the library test files.
Daniel Stenberg
committed
- Peter Sylvester brought code that now allows a callback to modified the URL
even when the multi interface is used, and then libcurl will simulate a
"follow location" to that new URL. Test 509 was added to test this feature.
- Extended the time we retry servers in the test script, and I also made it
retry the https and ftps servers before they are considered bad. I believe
the previous approach could turn problematic on really slow hosts.
Version 7.11.0-pre1 (12 January 2004)
Daniel (11 January 2004)
- Dominick Meglio pointed out FTPS should use default port 990 according to
IANA.
Daniel (8 January 2004)
- Fixed the SPNEGO configure check to not use -R or other non-portable options
in the LDFLAGS. Reported by Pierre in bug report #872930.
- Dan Fandrich provided a fix on our zlib usage.
- David J Meyer's patch that introduce large file support to libcurl was
applied. New curl_easy_setopt options that accept 'off_t' arguments are:
INFILESIZE_LARGE
RESUME_FROM_LARGE
MAXFILESIZE_LARGE
Daniel (4 January 2004)
- Based on Dominick Meglio's comments, I made our private version of
gettimeofday() declared static. This would otherwise collide with the same
function in other libs (like ares for example).
- Added Dominick Meglio's description on how to build libcurl with ares
on win32.