KNOWN_BUGS: cleanup
- Move all Windows unicode issues into the single "bug", as they are all at least semi-related - Removed ancient issues that are not relevant anymore Closes #14775
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Daniel Stenberg
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docs/KNOWN_BUGS
132
docs/KNOWN_BUGS
@ -12,8 +12,6 @@ check the changelog of the current development status, as one or more of these
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problems may have been fixed or changed somewhat since this was written.
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1. HTTP
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1.2 hyper is slow
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1.5 Expect-100 meets 417
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2. TLS
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2.1 IMAPS connection fails with Rustls error
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@ -27,7 +25,6 @@ problems may have been fixed or changed somewhat since this was written.
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3. Email protocols
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3.1 IMAP SEARCH ALL truncated response
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3.2 No disconnect command
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3.3 POP3 expects "CRLF.CRLF" eob for some single-line responses
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3.4 AUTH PLAIN for SMTP is not working on all servers
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3.5 APOP authentication fails on POP3
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3.6 POP3 issue when reading small chunks
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@ -39,17 +36,13 @@ problems may have been fixed or changed somewhat since this was written.
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5. Build and portability issues
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5.1 OS400 port requires deprecated IBM library
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5.2 curl-config --libs contains private details
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5.3 building for old macOS fails with gcc
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5.5 cannot handle Unicode arguments in non-Unicode builds on Windows
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5.6 Cygwin: make install installs curl-config.1 twice
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5.11 configure --with-gssapi with Heimdal is ignored on macOS
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5.12 flaky CI builds
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5.13 long paths are not fully supported on Windows
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5.14 Windows Unicode builds use homedir in current locale
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5.15 Unicode on Windows
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6. Authentication
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6.1 NTLM authentication and Unicode
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6.2 MIT Kerberos for Windows build
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6.3 NTLM in system context uses wrong name
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6.5 NTLM does not support password with § character
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@ -63,9 +56,6 @@ problems may have been fixed or changed somewhat since this was written.
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6.13 Negotiate against Hadoop HDFS
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7. FTP
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7.1 FTP upload fails if remembered directory is deleted
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7.2 Implicit FTPS upload timeout
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7.3 FTP with NOBODY and FAILONERROR
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7.4 FTP with ACCT
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7.12 FTPS directory listing hangs on Windows with Schannel
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@ -77,7 +67,6 @@ problems may have been fixed or changed somewhat since this was written.
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9.5 Cygwin: "WARNING: UNPROTECTED PRIVATE KEY FILE!"
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10. SOCKS
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10.3 FTPS over SOCKS
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11. Internals
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11.1 gssapi library name + version is missing in curl_version_info()
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@ -104,7 +93,6 @@ problems may have been fixed or changed somewhat since this was written.
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15.3 unusable tool_hugehelp.c with MinGW
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15.6 uses -lpthread instead of Threads::Threads
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15.7 generated .pc file contains strange entries
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15.11 ExternalProject_Add does not set CURL_CA_PATH
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15.13 CMake build with MIT Kerberos does not work
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16. aws-sigv4
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@ -129,19 +117,6 @@ problems may have been fixed or changed somewhat since this was written.
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1. HTTP
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1.2 hyper is slow
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When curl is built to use hyper for HTTP, it is unnecessary slow.
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https://github.com/curl/curl/issues/11203
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1.5 Expect-100 meets 417
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If an upload using Expect: 100-continue receives an HTTP 417 response, it
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ought to be automatically resent without the Expect:. A workaround is for
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the client application to redo the transfer after disabling Expect:.
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https://curl.se/mail/archive-2008-02/0043.html
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2. TLS
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2.1 IMAPS connection fails with Rustls error
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@ -196,12 +171,6 @@ problems may have been fixed or changed somewhat since this was written.
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The disconnect commands (LOGOUT and QUIT) may not be sent by IMAP, POP3 and
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SMTP if a failure occurs during the authentication phase of a connection.
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3.3 POP3 expects "CRLF.CRLF" eob for some single-line responses
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You have to tell libcurl not to expect a body, when dealing with one line
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response commands. Please see the POP3 examples and test cases which show
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this for the NOOP and DELE commands. https://curl.se/bug/?i=740
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3.4 AUTH PLAIN for SMTP is not working on all servers
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Specifying "--login-options AUTH=PLAIN" on the command line does not seem to
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@ -256,26 +225,6 @@ problems may have been fixed or changed somewhat since this was written.
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that might be needed only for building libcurl. Further, curl-config --cflags
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suffers from the same effects with CFLAGS/CPPFLAGS.
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5.3 building for old macOS fails with gcc
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Building curl for certain old macOS versions fails when gcc is used. We
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command using clang in those cases.
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See https://github.com/curl/curl/issues/11441
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5.5 cannot handle Unicode arguments in non-Unicode builds on Windows
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If a URL or filename cannot be encoded using the user's current codepage then
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it can only be encoded properly in the Unicode character set. Windows uses
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UTF-16 encoding for Unicode and stores it in wide characters, however curl
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and libcurl are not equipped for that at the moment except when built with
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_UNICODE and UNICODE defined. Except for Cygwin, Windows cannot use UTF-8 as
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a locale.
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https://curl.se/bug/?i=345
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https://curl.se/bug/?i=731
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https://curl.se/bug/?i=3747
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5.6 Cygwin: make install installs curl-config.1 twice
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https://github.com/curl/curl/issues/8839
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@ -299,22 +248,12 @@ problems may have been fixed or changed somewhat since this was written.
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5.13 long paths are not fully supported on Windows
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curl on Windows cannot access long paths (paths longer than 260 characters).
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However, as a workaround, the Windows path prefix \\?\ which disables all path
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interpretation may work to allow curl to access the path. For example:
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However, as a workaround, the Windows path prefix \\?\ which disables all
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path interpretation may work to allow curl to access the path. For example:
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\\?\c:\longpath.
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See https://github.com/curl/curl/issues/8361
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5.14 Windows Unicode builds use homedir in current locale
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The Windows Unicode builds of curl use the current locale, but expect Unicode
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UTF-8 encoded paths for internal use such as open, access and stat. The user's
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home directory is retrieved via curl_getenv in the current locale and not as
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UTF-8 encoded Unicode.
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See https://github.com/curl/curl/pull/7252 and
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https://github.com/curl/curl/pull/7281
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5.15 Unicode on Windows
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Passing in a Unicode filename with -o:
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@ -325,19 +264,42 @@ problems may have been fixed or changed somewhat since this was written.
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https://github.com/curl/curl/issues/12231
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6. Authentication
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Windows Unicode builds use homedir in current locale
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6.1 NTLM authentication and Unicode
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The Windows Unicode builds of curl use the current locale, but expect Unicode
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UTF-8 encoded paths for internal use such as open, access and stat. The
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user's home directory is retrieved via curl_getenv in the current locale and
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not as UTF-8 encoded Unicode.
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See https://github.com/curl/curl/pull/7252 and
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https://github.com/curl/curl/pull/7281
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Cannot handle Unicode arguments in non-Unicode builds on Windows
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If a URL or filename cannot be encoded using the user's current codepage then
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it can only be encoded properly in the Unicode character set. Windows uses
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UTF-16 encoding for Unicode and stores it in wide characters, however curl
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and libcurl are not equipped for that at the moment except when built with
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_UNICODE and UNICODE defined. Except for Cygwin, Windows cannot use UTF-8 as
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a locale.
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https://curl.se/bug/?i=345
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https://curl.se/bug/?i=731
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https://curl.se/bug/?i=3747
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NTLM authentication and Unicode
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NTLM authentication involving Unicode username or password only works
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properly if built with UNICODE defined together with the Schannel
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backend. The original problem was mentioned in:
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properly if built with UNICODE defined together with the Schannel backend.
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The original problem was mentioned in:
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https://curl.se/mail/lib-2009-10/0024.html
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https://curl.se/bug/view.cgi?id=896
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The Schannel version verified to work as mentioned in
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https://curl.se/mail/lib-2012-07/0073.html
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6. Authentication
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6.2 MIT Kerberos for Windows build
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libcurl fails to build with MIT Kerberos for Windows (KfW) due to KfW's
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@ -411,24 +373,6 @@ problems may have been fixed or changed somewhat since this was written.
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7. FTP
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7.1 FTP upload fails if remembered directory is deleted
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curl's FTP code assumes that the directory it entered in a previous transfer
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still exists when it comes back to do a second transfer, and does not respond
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well if it was indeed deleted in the mean time.
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https://github.com/curl/curl/issues/12181
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7.2 Implicit FTPS upload timeout
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https://github.com/curl/curl/issues/11720
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7.3 FTP with NOBODY and FAILONERROR
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It seems sensible to be able to use CURLOPT_NOBODY and CURLOPT_FAILONERROR
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with FTP to detect if a file exists or not, but it is not working:
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https://curl.se/mail/lib-2008-07/0295.html
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7.4 FTP with ACCT
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When doing an operation over FTP that requires the ACCT command (but not when
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@ -488,11 +432,6 @@ problems may have been fixed or changed somewhat since this was written.
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10. SOCKS
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10.3 FTPS over SOCKS
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libcurl does not support FTPS over a SOCKS proxy.
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11. Internals
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11.1 gssapi library name + version is missing in curl_version_info()
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@ -601,12 +540,6 @@ problems may have been fixed or changed somewhat since this was written.
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https://github.com/curl/curl/issues/11158
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15.2 support build with GnuTLS
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15.3 unusable tool_hugehelp.c with MinGW
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see https://github.com/curl/curl/issues/3125
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15.6 uses -lpthread instead of Threads::Threads
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See https://github.com/curl/curl/issues/6166
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@ -618,13 +551,6 @@ problems may have been fixed or changed somewhat since this was written.
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See https://github.com/curl/curl/issues/6167
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15.11 ExternalProject_Add does not set CURL_CA_PATH
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CURL_CA_BUNDLE and CURL_CA_PATH are not set properly when cmake's
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ExternalProject_Add is used to build curl as a dependency.
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See https://github.com/curl/curl/issues/6313
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15.13 CMake build with MIT Kerberos does not work
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Minimum CMake version was bumped in curl 7.71.0 (#5358) Since CMake 3.2
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