* COMPILE.in: Rename from `COMPILE'.

* COMPILE.in: Rename from `COMPILE'.
(mixi-modules): New variable.
(mixi-compile): Use it.
(mixi-install): Ditto.
(mixi-compile-package): Ditto.
(mixi-install-package): Ditto.
(mixi-compile-modules): Follow the change above.
(mixi-install-modules): Ditto.
* .cvsignore: Add COMPILE.
* acinclude.m4 (AC_EXAMINE_MODULES): New function.
(AC_CHECK_SHIMBUN): Don't use AC_SUBST.
(AC_CHECK_GNUS): Ditto.
(AC_CHECK_WL): Ditto.
(AC_CHECK_RIECE): Ditto.
* configure.ac: Use AC_EXAMINE_MODULES.
(HAVE_SHIMBUN): Abolish.
(HAVE_GNUS): Ditto.
(HAVE_WL): Ditto.
(HAVE_RIECE): Ditto.
(AC_CONFIG_FILES): Add COMPILE.
* Makefile.am (MODULES_MIXI): Abolish.
(MODULES_SHIMBUN): Ditto.
(MODULES_GNUS): Ditto.
(MODULES_WL): Ditto.
(MODULES_RIECE): Ditto.
(MODULES): Ditto.
(DISTCLEANFILES): New variable.
(EXTRA_DIST): Follow the change above.
(elc): Ditto.
(install): Ditto.
(package): Ditto.
(install-package): Ditto.