Update to autotools used by binutils

[Christian Eggers]

Hi Alan,

your changelog mentions several regenerated files, but the patch misses them.
I had to run aclocal and automake manually in order to get rid of calls to
aclocal-1.11.

Regards
Christian


Am Mittwoch, 12. Februar 2020, 06:25:58 CET schrieb Alan Modra:
> When cgen source is installed in the top source directory of
> binutils-gdb and configuring with --enable-maintainer-mode
> --enable-cgen-maint=yes it is somewhat difficult to regenerate cgen
> files without differences due to using different autotools.
> Particularly so since the generated files in the git repository don't
> all use the same autotools.
>
> This patch fixes that by modernising the source a little and
> regenerating with autoconf-2.69 and automake-1.15.1.
>
> Note that doc/stamp-vti and doc/version.texi contain dates taken from
> your checked out doc/cgen.texi file time stamp.  So in order to
> regenerate these files consistently it is necessary to
>   touch --date=xxx doc/cgen.texi
> with the date taken from the last doc/cgen.texi commit.  With that
> done, only stamp-vti needs updating (to a copy of version.texi).
>
> OK to apply?
>
> 	* configure.ac: Renamed from configure.in.
> 	(AC_INIT, AM_INIT_AUTOMAKE): Modernize.
> 	(AC_CONFIG_SRCDIR): Invoke.
> 	* INSTALL: Adjust for configure.ac renaming.
> 	* Makefile.am (AUTOMAKE_OPTIONS): Delete cygnus and version.
> 	Add foreign.
> 	* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Likewise.
> 	* doc/Makefile.am (AUTOMAKE_OPTIONS): Delete cygnus, add foreign,
> 	info-in-builddir and no-texinfo.tex.
> 	(DISTCLEANFILES): Delete automake-1.9 hack.
> 	* Makefile.in: Regenerate.
> 	* aclocal.m4: Regenerate.
> 	* configure: Regenerate.
> 	* doc/Makefile.in: Regenerate.
> 	* doc/stamp-vti: Regenerate.
> 	* testsuite/Makefile.in: Regenerate.
>
> diff --git a/INSTALL b/INSTALL
> index d2df4e1..606b41a 100644
> --- a/INSTALL
> +++ b/INSTALL
> @@ -19,8 +19,8 @@ diffs or instructions to the address given in the `README'
> so they can be considered for the next release.  If at some point
> `config.cache' contains results you don't want to keep, you may remove or
> edit it.
>
> -   The file `configure.in' is used to create `configure' by a program
> -called `autoconf'.  You only need `configure.in' if you want to change
> +   The file `configure.ac' is used to create `configure' by a program
> +called `autoconf'.  You only need `configure.ac' if you want to change
>  it or regenerate `configure' using a newer version of `autoconf'.
>
>  The simplest way to compile this package is:
> diff --git a/Makefile.am b/Makefile.am
> index d4d0984..c441e20 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -17,7 +17,7 @@
>  # <http://www.gnu.org/licenses/>.
>  #
>
> -AUTOMAKE_OPTIONS = 1.9 cygnus
> +AUTOMAKE_OPTIONS = foreign
>
>  SUBDIRS = doc testsuite
>
> diff --git a/configure.in b/configure.ac
> similarity index 94%
> rename from configure.in
> rename to configure.ac
> index 06e16ca..d336fd2 100644
> --- a/configure.in
> +++ b/configure.ac
> @@ -18,10 +18,11 @@ dnl <http://www.gnu.org/licenses/>.
>  dnl
>
>  AC_PREREQ(2.59)
> -AC_INIT(read.scm)
> -AC_CANONICAL_SYSTEM
>  dnl The "50" is a generic indicator that we're between 1.1 and 1.2.
> -AM_INIT_AUTOMAKE(cgen, 1.1.50)
> +AC_INIT(cgen, 1.1.50)
> +AC_CONFIG_SRCDIR(read.scm)
> +AC_CANONICAL_SYSTEM
> +AM_INIT_AUTOMAKE
>
>  AC_PROG_INSTALL
>  AC_EXEEXT
> diff --git a/doc/Makefile.am b/doc/Makefile.am
> index 085224a..4f03021 100644
> --- a/doc/Makefile.am
> +++ b/doc/Makefile.am
> @@ -17,7 +17,7 @@
>  # <http://www.gnu.org/licenses/>.
>  #
>
> -AUTOMAKE_OPTIONS = cygnus
> +AUTOMAKE_OPTIONS = foreign info-in-builddir no-texinfo.tex
>
>  # List of files that go into cgen.info.
>  DOCFILES = app.texi cgen.texi credits.texi glossary.texi intro.texi \
> @@ -39,11 +39,3 @@ noinst_TEXINFOS = cgen.texi cgenint.texi
>  # Maintenance
>
>  MAINTAINERCLEANFILES = cgen.info cgenint.info
> -
> -# Automake 1.9 will only build info files in the objdir if they are
> -# mentioned in DISTCLEANFILES.  It doesn't have to be unconditional,
> -# though, so we use a bogus condition.
> -# NOTE: This is copied from gas.
> -if GENINSRC_NEVER
> -DISTCLEANFILES = cgen.info cgenint.info
> -endif
> diff --git a/testsuite/Makefile.am b/testsuite/Makefile.am
> index 3eb1d96..9a5d404 100644
> --- a/testsuite/Makefile.am
> +++ b/testsuite/Makefile.am
> @@ -18,7 +18,7 @@
>  # <http://www.gnu.org/licenses/>.
>  #
>
> -AUTOMAKE_OPTIONS = 1.9 cygnus
> +AUTOMAKE_OPTIONS = foreign
>
>  cgendir = $(srcdir)/..