[Bug libfortran/19481] libgfortran doesn't build -- configure doesn't handle cabs() well

[amodra at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19481

--- Comment #7 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Wed Dec  7 23:16:03 2016
New Revision: 243417

URL: https://gcc.gnu.org/viewcvs?rev=243417&root=gcc&view=rev
Log:
sync config/* from binutils

        * elf.m4: Revert 2016-06-21 change.
        * picflag.m4: Likewise.  Revert 2016-04-30 change too.
        * override.m4 (AC_PROG_LEX): Import 2016-01-18 binutils fix
        for PR binutils/19481.

Modified:
    trunk/config/ChangeLog
    trunk/config/elf.m4
    trunk/config/override.m4
    trunk/config/picflag.m4