m4 ChangeLog configure.ac Makefile.am bootstrap... [branch-1_4]

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     Eric Blake <ericb>      06/06/15 13:08:46

Modified files:
        .              : ChangeLog configure.ac Makefile.am bootstrap 
                         NEWS THANKS 
        src            : m4.c 
Added files:
        m4             : gnulib-cache.m4 

Log message:
        * configure.ac (M4_EARLY, M4_INIT): Use gnulib.
        (AC_PROG_RANLIB, AC_AIX, AC_MINIX, AC_CHECK_HEADERS),
        (AC_FUNC_ALLOCA, AC_REPLACE_FUNCS): Avoid checks now done by
        gnulib.
        * Makefile.am (ACLOCAL_AMFLAGS): New entry, for gnulib.
        * m4/gnulib-cache.m4: New file, from gnulib.
        * bootstrap: Invoke gnulib-tool --update.
        * src/m4.c (main): Cast away const.
        * NEWS: Document that regex is updated.
        * THANKS: Update.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/m4/ChangeLog?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.63&r2=1.1.1.1.2.64
http://cvs.savannah.gnu.org/viewcvs/m4/configure.ac?cvsroot=m4&only_with_tag=branch-1_4&r1=1.36.2.11&r2=1.36.2.12
http://cvs.savannah.gnu.org/viewcvs/m4/Makefile.am?cvsroot=m4&only_with_tag=branch-1_4&r1=1.25.2.2&r2=1.25.2.3
http://cvs.savannah.gnu.org/viewcvs/m4/bootstrap?cvsroot=m4&only_with_tag=branch-1_4&r1=1.31.2.1&r2=1.31.2.2
http://cvs.savannah.gnu.org/viewcvs/m4/NEWS?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.17&r2=1.1.1.1.2.18
http://cvs.savannah.gnu.org/viewcvs/m4/THANKS?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.7&r2=1.1.1.1.2.8
http://cvs.savannah.gnu.org/viewcvs/m4/m4/gnulib-cache.m4?cvsroot=m4&only_with_tag=branch-1_4&rev=1.1.2.1
http://cvs.savannah.gnu.org/viewcvs/m4/src/m4.c?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.9&r2=1.1.1.1.2.10