[PATCH 19/22] Enable building libgfortran with Intel CET

[Tsimbalist, Igor V]

Enable building libgfortran with Intel CET options.

libgfortran/
        * acinclude.m4: Add enable.m4, cet.m4.
        * configure: Regenerate.
        * configure.ac: Set CET_FLAGS. Update AM_FCFLAGS, AM_CFLAGS,
        CFLAGS.

0019-Enable-building-libgfortran-with-Intel-CET.PATCH
Description: 0019-Enable-building-libgfortran-with-Intel-CET.PATCH