If you are new to
make, or are looking for a general
introduction, read the first few sections of each chapter, skipping the
later sections. In each chapter, the first few sections contain
introductory or general information and the later sections contain
specialized or technical information.
The exception is the second chapter, An
Introduction to Makefiles, all of which is introductory.
If you are familiar with other
make programs, see Features of GNU
make, which lists the enhancements GNU
make has, and Incompatibilities and Missing
Features, which explains the few things GNU
make lacks that