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.\" **************************************************************************
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.\" * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" * you should have received as part of this distribution. The terms
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.\"
.TH curl-config 1 "25 Oct 2007" "Curl 7.17.1" "curl-config manual"
.SH NAME
curl-config \- Get information about a libcurl installation
.SH SYNOPSIS
.B curl-config [options]
.SH DESCRIPTION
.B curl-config
displays information about the curl and libcurl installation.
.SH OPTIONS
.IP "--ca"
Displays the built-in path to the CA cert bundle this libcurl uses.
.IP "--cc"
Displays the compiler used to build libcurl.
.IP "--cflags"
Set of compiler options (CFLAGS) to use when compiling files that use
libcurl. Currently that is only the include path to the curl include files.
.IP "--checkfor [version]"
Specify the oldest possible libcurl version string you want, and this
script will return 0 if the current installation is new enough or it
returns 1 and outputs a text saying that the current version is not new
enough. (Added in 7.15.4)
.IP "--configure"
Displays the arguments given to configure when building curl.
.IP "--feature"
Lists what particular main features the installed libcurl was built with. At
the time of writing, this list may include SSL, KRB4 or IPv6. Do not assume
any particular order. The keywords will be separated by newlines. There may be
none, one, or several keywords in the list.
.IP "--help"
Displays the available options.
.IP "--libs"
Shows the complete set of libs and other linker options you will need in order
to link your application with libcurl.
.IP "--prefix"
This is the prefix used when libcurl was installed. Libcurl is then installed
in $prefix/lib and its header files are installed in $prefix/include and so
on. The prefix is set with "configure --prefix".
.IP "--protocols"
Lists what particular protocols the installed libcurl was built to support. At
the time of writing, this list may include HTTP, HTTPS, FTP, FTPS, FILE,
TELNET, LDAP, DICT. Do not assume any particular order. The protocols will
be listed using uppercase and are separated by newlines. There may be none,
one, or several protocols in the list. (Added in 7.13.0)
.IP "--static-libs"
Shows the complete set of libs and other linker options you will need in order
to link your application with libcurl statically. (Added in 7.17.1)
.IP "--version"
Outputs version information about the installed libcurl.
.IP "--vernum"
Outputs version information about the installed libcurl, in numerical mode.
This outputs the version number, in hexadecimal, with 8 bits for each part;
major, minor, patch. So that libcurl 7.7.4 would appear as 070704 and libcurl
12.13.14 would appear as 0c0d0e... Note that the initial zero might be
omitted. (This option was broken in the 7.15.0 release.)
.SH "EXAMPLES"
What linker options do I need when I link with libcurl?

  $ curl-config --libs

What compiler options do I need when I compile using libcurl functions?

  $ curl-config --cflags

How do I know if libcurl was built with SSL support?

  $ curl-config --feature | grep SSL

What's the installed libcurl version?

  $ curl-config --version

How do I build a single file with a one-line command?

  $ `curl-config --cc --cflags --libs` -o example example.c

.SH "SEE ALSO"
.BR curl (1)
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