Re: AC_C_LONG_DOUBLE is obsolescent.

[Eric Blake]

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According to Benjamin Reed on 4/9/2008 2:00 PM:
| In fact, looking at that particular test, it looks like
| BSD-with-advertise:
|
http://git.sv.gnu.org/gitweb/?p=gnulib.git;a=blob;f=m4/longlong.m4;h=15bf9dacadb85b8802381eafddeb9fc6556c067d;hb=90ed634eb36631a208dc13277e97fbaeba20eac3

BSD-with-advertise isn't the right term; but yes, in general, most of the
.m4 files in gnulib are given an all-permissive license, rather than GPL,
because they are only used in building configure and not in the resulting
binary
(http://www.gnu.org/prep/maintain/maintain.html#License-Notices-for-Other-Files).
~ So it technically possible to borrow from gnulib .m4 files if you then
reimplement the .h and .c portions of modules with licensing better suited
to your non-GPL project.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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