[Bug fortran/33456] Vendor extension: Use env. var. to set filename of preconnect unit

[kargl at gcc dot gnu dot org]

------- Comment #1 from kargl at gcc dot gnu dot org  2007-09-17 19:22 -------
I would strongly discourage adding this feature.  A long time ago,
either Paul Brook or Steven Bosscher and I exchanged email about
the use of environmental variables to control various aspects of
gfortran.  In the end, I recall that we agreed a proliferation of
environmental variables could lead to a maintenance nightmare.

But, as usual if someone implements the feature, I won't stand in 
the way.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33456