[PATCH util/modular] release.sh: Simplify checks for ACLOCAL, PKG_CONFIG_PATH, etc.

[Mikhail Gusarov]

Twas brillig at 16:08:14 12.05.2010 UTC-07 when alan.coopersmith at oracle.com did gyre and gimble:

 AC> In many of the : separated environment variables, especially $PATH
 AC> & $LD_LIBRARY_PATH, any sequence that resolves to an empty string
 AC> after : splitting may be resolved as the current directory on many
 AC> platforms, so the simplified code you propose is actually equivalent to:

 AC>  if test x"$PATH" = x; then
 AC>      PATH=${DESTDIR}${PREFIX}/bin:.
 AC>  else
 AC>      PATH=${DESTDIR}${PREFIX}/bin:${PATH}
 AC>  fi

PATH=${DESTDIR}${PREFIX}/bin${PATH:+:}${PATH}

should probably do it

-- 
  http://fossarchy.blogspot.com/
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