>> [make misbehaving wrt /usr/src/obj]
> :)  I got bit by that recently, too, on i386.  The explanation I was
> given is that "yes it is broken and needs to be fixed".  The
> solutions I was offered were 1. Don't put your objects in
> /usr/src/obj, and 2. Don't use objdirs at all.

Heh.  IMO make's support for obj/ is more of a pain than a blessing.
For example, here's one of the hunks from my private patches to
ghostscript (Aladdin Ghostscript 6.0):

@@ -26,14 +26,18 @@
 # source, generated intermediate file, and object directories
 # for the graphics library (GL) and the PostScript/PDF interpreter (PS).
 
+# NetBSD make(1) has this lovely undocumented little feature that in some
+# circumstances, if an "obj/" subdir exists, it will silently chdir to it,
+# thereby causing commands to unexpectedly fail because the current directory
+# has changed out from under them!  Thus, we s/obj/xobj/ here.
 BINDIR=./bin
 GLSRCDIR=./src
-GLGENDIR=./obj
-GLOBJDIR=./obj
+GLGENDIR=./xobj
+GLOBJDIR=./xobj
 PSSRCDIR=./src
 PSLIBDIR=./lib
-PSGENDIR=./obj
-PSOBJDIR=./obj
+PSGENDIR=./xobj
+PSOBJDIR=./xobj
 
 # Do not edit the next group of lines.
 

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