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flymake: Locating the buildfile

 
 5.5 Locating the buildfile
 ==========================
 
 Flymake can be configured to use different tools for performing syntax
 checks.  For example, it can use direct compiler call to syntax check a
 perl script or a call to ‘make’ for a more complicated case of a ‘C/C++’
 source.  The general idea is that simple files, like perl scripts and
 html pages, can be checked by directly invoking a corresponding tool.
 Files that are usually more complex and generally used as part of larger
 projects, might require non-trivial options to be passed to the syntax
 check tool, like include directories for C++.  The latter files are
 syntax checked using some build tool, like Make or Ant.
 
    All Make configuration data is usually stored in a file called
 ‘Makefile’.  To allow for future extensions, flymake uses a notion of
 buildfile to reference the ’project configuration’ file.
 
    Special function, ‘flymake-find-buildfile’ is provided for locating
 buildfiles.  Searching for a buildfile is done in a manner similar to
 that of searching for possible master files.  In case there’s no build
 file, syntax check is aborted.
 
    Buildfile values are also cached.
 

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