(Provided by Andrew Francis)

  When building an application that uses the static libcurl library, you must

  add -DCURL_STATICLIB to your CFLAGS. Otherwise the linker will look for

  dynamic import symbols. If you get linker error like "unknown symbol

  __imp__curl_easy_init ..." you have linked against the wrong (static) library.

  If you want to use the curl.dll and import lib, you don't need any extra CFLAGS,

  but use one of the import libraries below. These are the libraries produced by

  the various lib/Makefile.* files:

  Target:          static lib.   import lib for curl*.dll.

  --------------------------------------------------------

  MingW:           libcurl.a     libcurldll.a

  MSVC (release):  libcurl.lib   libcurl_imp.lib

  MSVC (debug):    libcurld.lib  libcurld_imp.lib

  Borland:         libcurl.lib   libcurl_imp.lib

  5.8 libcurl.so.3: open failed: No such file or directory

  This is an error message you might get when you try to run a program linked