pgsql: Upgrade to Autoconf 2.61: - Change configure.in to use Autoconf - Mailing list pgsql-committers

Log Message:
-----------
Upgrade to Autoconf 2.61:
- Change configure.in to use Autoconf 2.61 and update generated files.
- Update build system and documentation to support now directory variables
  offered by Autoconf 2.61.
- Replace usages of PGAC_CHECK_ALIGNOF by AC_CHECK_ALIGNOF, now available
  in Autoconf 2.61.
- Drop our patched version of AC_C_INLINE, as Autoconf now has the change.

Modified Files:
--------------
    pgsql:
        configure (r1.579 -> r1.580)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure?r1=1.579&r2=1.580)
        configure.in (r1.547 -> r1.548)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in?r1=1.547&r2=1.548)
    pgsql/config:
        c-compiler.m4 (r1.14 -> r1.15)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/config/c-compiler.m4?r1=1.14&r2=1.15)
        programs.m4 (r1.21 -> r1.22)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/config/programs.m4?r1=1.21&r2=1.22)
    pgsql/doc:
        Makefile (r1.29 -> r1.30)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/Makefile?r1=1.29&r2=1.30)
    pgsql/doc/src/sgml:
        installation.sgml (r1.301 -> r1.302)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml?r1=1.301&r2=1.302)
    pgsql/src:
        Makefile.global.in (r1.240 -> r1.241)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/Makefile.global.in?r1=1.240&r2=1.241)
    pgsql/src/include:
        pg_config.h.in (r1.127 -> r1.128)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.in?r1=1.127&r2=1.128)