configure.in: Add AC_ARG_PROGRAM to support program name transformation with --program-prefix...

* configure.in: Add AC_ARG_PROGRAM to support program name
transformation with --program-prefix, --program-suffix and
--program-transform-name.
* Makefile.in (GCC_INSTALL_NAME, CPP_INSTALL_NAME,
PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, GCOV_INSTALL_NAME,
GCCBUG_INSTALL_NAME, GCC_CROSS_NAME, CPP_CROSS_NAME,
PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): Handle
program_transform_name the way suggested by autoconf.
(GCC_TARGET_INSTALL_NAME): Define.
(install-driver): Use the transformed target alias name.


* Make-lang.in (CXX_INSTALL_NAME, GXX_CROSS_NAME,
DEMANGLER_CROSS_NAME): Handle program_transform_name the way
suggested by autoconf.
(GXX_TARGET_INSTALL_NAME, CXX_TARGET_INSTALL_NAME): Define.
(c++.install-common): Use the transformed target alias names.

* Make-lang.in (G77_INSTALL_NAME, G77_CROSS_NAME): Handle
program_transform_name the way suggested by autoconf.

* Make-lang.in (JAVA_INSTALL_NAME, JAVA_CROSS_NAME): Handle
program_transform_name the way suggested by autoconf.
(java.install-common): Also transform auxiliary program names with
program_transform_name.

From-SVN: r46856