(autoconf.info)obj/ and Make


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11.11 The `obj/' Subdirectory and Make
======================================

Never name one of your subdirectories `obj/' if you don't like
surprises.

   If an `obj/' directory exists, BSD `make' enters it before reading
the makefile.  Hence the makefile in the current directory is not read.

     $ cat Makefile
     all:
             echo Hello
     $ cat obj/Makefile
     all:
             echo World
     $ make      # GNU make
     echo Hello
     Hello
     $ pmake     # BSD make
     echo World
     World


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