kc3-lang/pkgconf/README.md

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• Author : William Pitcock
  Date : 2012-04-30 05:32:49
  Hash : 31e2241c
  Message : Convert README to markdown format.

• README.md

• # pkgconf
  
  pkgconf provides compiler and linker configuration for development frameworks.
  
  ## general summary
  
  pkgconf is a program which helps to configure compiler and linker flags for
  development frameworks.  It is similar to pkg-config, but was written from
  scratch in Summer of 2011 to replace pkg-config, which now needs itself to
  build itself (or you can set a bunch of environment variables, both are
  pretty ugly.)
  
  Implementations of pkg-config, such as pkgconf are typically used with the
  PKG_CHECK_MODULES autoconf macro.  As far as I (nenolod) know, pkgconf is
  compatible with all known variations of this macro.  However, I have not
  extensively tested yet for compatibility.  pkgconf detects at runtime
  whether or not it was started as 'pkg-config', and if so, attempts to set
  program options in a way where it's behaviour should be similar.
  
  In terms of the autoconf macro, it is possible to specify the PKG_CONFIG
  environment variable, so that you can test pkgconf without overwriting your
  pkg-config binary.  (hint: export PKG_CONFIG=/usr/bin/pkgconf)  However,
  if you do this, it will be running in native mode, so you may have some very
  strange results as the dependency graph is compiled differently in native
  mode.
  
  ## technical design
  
  pkgconf builds an acyclic directed dependency graph.  This allows for the user
  to more conservatively link their binaries -- which may be helpful in some 
  environments, such as when prelink(1) is being used.  As a result of building
  a directed dependency graph designed for the specific problem domain provided
  by the user, more accurate dependencies can be determined.  pkg-config, on the
  other hand builds a database of all known pkg-config files on the system before
  attempting to resolve dependencies, which is a considerably slower and less
  efficient design.
  
  pkgconf also does not provide support for pointlessly stupid features implemented
  in pkg-config.
  
  ## compiling
  
  pkgconf is basically compiled the same way any other autotools-based project is
  compiled:
  
      $ ./configure
      $ make
      $ sudo make install
  
  ## reporting bugs
  
  see <https://github.com/nenolod/pkgconf/issues>.