First, download Libcurl http://curl.haxx.se/download/curl-7.21.1.tar.gz II, installation specified installation directory/usr/local/curl Note: It is best to use the default path command 1:./confi Gure--prefix=/usr/local/curl This is the command:./configure this way, use directly when compiling the program
gcc-o Filename-wall Filename.c-lcurl There will be no compile-link errors, and if your path changes, it may be cumbersome to compile the program. Results: curl version: 7.21.1 host setup:  I686-PC-LINUX-GNU & Nbsp;install prefix: /usr/local/curl compiler:  GCC   SSL support : enabled (OpenSSL) ssh support: no (--WITH-LIBSSH2)  &NB Sp;zlib support: enabled   KRB4 support: no (--with-krb4*)  GSSAPI support: no (--WITH-GSSAPI) spnego support: no &NB SP; (--with-spnego) resolver: default (--enable-ares/- Enable-threaded-resolver) ipv6 support: enabled   IDN support: Enabled build Libcurl: Shared=yes, Static=yes built-in manual:enabled, Verbose Errors: enabled (--disAble-verbose) sspi support: no (--ENABLE-SSPI)   CA cert Bundle: & NBSP;/ETC/SSL/CERTS/CA-CERTIFICATES.CRT   CA cert path: no   LDAP Support: enabled (OpenLDAP) ldaps support: enabled   RTSP support: enabled rtmp support: no (--with-librtmp) protocols: DICT FILE FTP FTPS HTTP HTTPS IMAP imaps LDAP LDAPS POP3 pop3s RTSP SMTP smtps TELNET TFTP Command 2:make command 3:sudo make install can see Lib library, already installed in /usr/local/curl/lib---------------------------------------------------------------------- Libraries have been installed in: /usr/local/curl/lib If your ever happen to want to link against installed Li Braries in a given directory, Libdir, your must either use Libtool, and specify the full pathname of the library, or use th E '-llibdir ' flag during linking and do at least ONE of the following: -add Libdir to the ' ld_library_path ' environment variable during ex Ecution -Add Libdir to the ' ld_run_path ' environment variable during linking   ; -Use the '-WL,-RPATH-WL,LIBDIR ' linker flag -Have your system administrator add Libdir to '/etc/ld.so.conf ' Operating system documentation about shared libraries for more information, such as the LD (1) and ld.so (8) Manua L pages. Under the installation directory/usr/local/curl will have four directories bin include lib share contains the required libraries, headers, etc.
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