Generate and install the serf-1.pc file.
Generate and install the serf-1.pc file.

* serfmake:
  (MAJOR): new symbol to clarify what depends on the MAJOR version
  (PCFILE): new symbol naming the .pc file
  (cmd_build): also build the .pc file
  (cmd_clean): clean out the generated .pc file
  (Builder.__init__): save .prefix and .pkgconfigdir
  (Builder.load_vars): split out the SSL libraries into .SSL_LIBS
  (Builder.load_deps): combine the .LIBS and .SSL_LIBS for the complete
    list of libraries to link executables against. add a dependency for
    the .pc file generation
  (Builder._add_dep): wrap simple strings into the new CommandLine
    callable helper.
  (Builder._write_pcfile): new method to generate the .pc file
  (Builder.build_target): tuple-expand the DEP localvar for clarity.
    assume that CMD is now a callable, and its docstring describes what is
    going on.
  (Builder.install_target): add creation of PKGCONFIGDIR. print out each
    target as we install it. install the .pc file.
  (class CommandLine): new helper for invoking system commands
  (get_version): new helper to fetch a dotted version string

idomon/serf,muthusuba/serf,liuzongquan/serf,sworda/serf,blueszhangsh/serf,idomon/serf,krime/serf,idomon/serf,justinweb/serf,justinweb/serf,TommyU/serf,wzugang/serf,wzugang/serf,liuzongquan/serf,sworda/serf,wzugang/serf,blueszhangsh/serf,sworda/serf,TommyU/serf,muthusuba/serf,justinweb/serf,TommyU/serf,TommyU/serf,krime/serf,blueszhangsh/serf,krime/serf,krime/serf,wzugang/serf,blueszhangsh/serf,liuzongquan/serf,idomon/serf,sworda/serf,Manouchehri/serf,muthusuba/serf,justinweb/serf,muthusuba/serf,Manouchehri/serf,liuzongquan/serf,Manouchehri/serf,Manouchehri/serf