[IMPROV] funny effect in apachen/Makefile

[Martin Kraemer <Ma...@mch.sni.de>]

On one of teh machines here, it appears as if the shell which is invoked
in apachen/Makefile's line...
src/httpd:
	(cd src; \
	  test ! -f Configuration && cp Configuration.tmpl Configuration; \
	  ./Configure -file Configuration; $(MAKE) all support)
has an implicit "-e" switch set. I've never read about such a behavior,
or why this would be caused, but tracing by setting "set -x" in the (..)
reveals that the "test" in "test ... && cp ..." is the last executed
statement, then the (...) returns with an exitcode of nonzero.

I don't know if this happens anywhere else, too, but the "defensive"
improvement to avoid such a trap could be the addition of a "||true".

See patch.

    Martin
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