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curl-config(1)                curl-config manual                curl-config(1)



NAME
       curl-config - Get information about a libcurl installation

SYNOPSIS
       curl-config [options]

DESCRIPTION
       curl-config displays information about the curl and libcurl installation.

OPTIONS
       --ca   Displays the built-in path to the CA cert bundle this libcurl uses.

       --cc   Displays the compiler used to build libcurl.

       --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.

       --checkfor [version]
              Specify the oldest possible libcurl version string you want, and this script will return 0 if  the  cur-
              rent  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)

       --configure
              Displays the arguments given to configure when building curl.

       --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.

       --help Displays the available options.

       --libs Shows the complete set of libs and other linker options you will need in order to link your  application
              with libcurl.

       --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".

       --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)

       --static-libs
              Shows  the complete set of libs and other linker options you will need in order to link your application
              with libcurl statically. Note that Fedora/RHEL libcurl packages do not  provide  any  static  libraries,
              thus cannot be linked statically.  (Added in 7.17.1)

       --version
              Outputs version information about the installed libcurl.

       --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.)

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


SEE ALSO
       curl(1)



Curl 7.17.1                       25 Oct 2007                   curl-config(1)