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8d67c61c47
The curldown conversion accidentally replaced daniel@haxx.se with just daniel.se. This reverts back to the proper email address in the curldown docs as well as in a few other stray places where it was incorrect (while unrelated to curldown). Reviewed-by: Daniel Stenberg <daniel@haxx.se> Closes: #12997
125 lines
3.3 KiB
Markdown
125 lines
3.3 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: curl-config
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Section: 1
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Source: curl-config
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See-also:
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- curl (1)
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---
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# NAME
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curl-config - Get information about a libcurl installation
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# SYNOPSIS
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**curl-config [options]**
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# DESCRIPTION
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**curl-config**
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displays information about the curl and libcurl installation.
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# OPTIONS
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## --ca
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Displays the built-in path to the CA cert bundle this libcurl uses.
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## --cc
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Displays the compiler used to build libcurl.
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## --cflags
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Set of compiler options (CFLAGS) to use when compiling files that use
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libcurl. Currently that is only the include path to the curl include files.
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## --checkfor [version]
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Specify the oldest possible libcurl version string you want, and this script
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returns 0 if the current installation is new enough or it returns 1 and
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outputs a text saying that the current version is not new enough. (Added in
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7.15.4)
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## --configure
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Displays the arguments given to configure when building curl.
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## --feature
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Lists what particular main features the installed libcurl was built with. At
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the time of writing, this list may include SSL, KRB4 or IPv6. Do not assume
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any particular order. The keywords are separated by newlines. There may be
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none, one, or several keywords in the list.
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## --help
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Displays the available options.
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## --libs
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Shows the complete set of libs and other linker options you need in order to
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link your application with libcurl.
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## --prefix
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This is the prefix used when libcurl was installed. Libcurl is then installed
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in $prefix/lib and its header files are installed in $prefix/include and so
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on. The prefix is set with "configure --prefix".
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## --protocols
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Lists what particular protocols the installed libcurl was built to support. At
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the time of writing, this list may include HTTP, HTTPS, FTP, FTPS, FILE,
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TELNET, LDAP, DICT and many more. Do not assume any particular order. The
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protocols are listed using uppercase and are separated by newlines. There may
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be none, one, or several protocols in the list. (Added in 7.13.0)
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## --ssl-backends
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Lists the SSL backends that were enabled when libcurl was built. It might be
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no, one or several names. If more than one name, they appear comma-separated.
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(Added in 7.58.0)
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## --static-libs
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Shows the complete set of libs and other linker options you need in order to
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link your application with libcurl statically. (Added in 7.17.1)
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## --version
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Outputs version information about the installed libcurl.
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## --vernum
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Outputs version information about the installed libcurl, in numerical mode.
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This shows the version number, in hexadecimal, using 8 bits for each part:
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major, minor, and patch numbers. This makes libcurl 7.7.4 appear as 070704 and
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libcurl 12.13.14 appear as 0c0d0e... Note that the initial zero might be
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omitted. (This option was broken in the 7.15.0 release.)
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# EXAMPLES
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What linker options do I need when I link with libcurl?
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~~~
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$ curl-config --libs
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~~~
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What compiler options do I need when I compile using libcurl functions?
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~~~
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$ curl-config --cflags
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~~~
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How do I know if libcurl was built with SSL support?
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~~~
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$ curl-config --feature | grep SSL
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~~~
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What's the installed libcurl version?
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~~~
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$ curl-config --version
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~~~
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How do I build a single file with a one-line command?
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~~~
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$ `curl-config --cc --cflags` -o example source.c `curl-config --libs`
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~~~
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