configure.in: Convert to autoconf 2.57, gratuitous stylistic cleanup, rename to configure.ac.

	* configure.in: Convert to autoconf 2.57, gratuitous stylistic
	cleanup, rename to configure.ac.
	* configure.ac: Renamed from configure.in.
	* config.h.in: Rebuilt with autoheader 2.57.
	* configure: Rebuilt with autoconf 2.57
	* README: Update to reflect rename of configure.in to configure.ac.

From-SVN: r78668

intl/ChangeLog

+2004-02-29  Nathanael Nerode  <neroden@gcc.gnu.org>
+
+	* configure.in: Convert to autoconf 2.57, gratuitous stylistic
+	cleanup, rename to configure.ac.
+	* configure.ac: Renamed from configure.in.
+	* config.h.in: Rebuilt with autoheader 2.57.
+	* configure: Rebuilt with autoconf 2.57
+	* README: Update to reflect rename of configure.in to configure.ac.
+
 2003-07-07  Zack Weinberg  <zack@codesourcery.com>
 
 	* README: Update.

intl/README

@@ -18,6 +18,6 @@ gettext developers first.  However, note the following:
   "gettextize" from the files that gettext 0.12.1 installs in
   $(prefix)/share/aclocal.
 
-* configure.in, config.intl.in, and Makefile.in were written for this
+* configure.ac, config.intl.in, and Makefile.in were written for this
   directory layout, by Zack Weinberg <zack@codesourcery.com>.  Please
   direct patches for these files to gcc-patches@gcc.gnu.org.

intl/configure.in → intl/configure.ac

-AC_PREREQ(2.13)
-AC_INIT(gettext.c)
+AC_PREREQ(2.57)
+AC_INIT
+AC_CONFIG_SRCDIR(gettext.c)
 AC_CONFIG_HEADER(config.h)
 AM_GNU_GETTEXT_VERSION(0.12.1)
 AM_GNU_GETTEXT
 
-dnl This replaces the extensive use of DEFS in the original Makefile.in.
+# This replaces the extensive use of DEFS in the original Makefile.in.
 AC_DEFINE(IN_LIBINTL, 1, [Define because this is libintl.])
 AC_DEFINE(IN_LIBRARY, 1, [Define because this is a library.])
 AC_DEFINE(DEPENDS_ON_LIBICONV, 1, [Define because we depend on libiconv.])
@@ -15,13 +16,18 @@ AC_DEFINE(set_relocation_prefix, libintl_set_relocation_prefix,
 AC_DEFINE(relocate, libintl_relocate,
 [Define this entry point correctly.])
 
-dnl Additional info for config.intl.
-LIBINTL_DEP=   AC_SUBST(LIBINTL_DEP)
-INCINTL=       AC_SUBST(INCINTL)
+# Additional info for config.intl.
+AC_SUBST(LIBINTL_DEP)
+AC_SUBST(INCINTL)
 
-if test $USE_INCLUDED_LIBINTL = yes; then
+LIBINTL_DEP=
+INCINTL=
+case $USE_INCLUDED_LIBINTL in
+  yes)
     LIBINTL_DEP='${top_builddir}/intl/libintl.a'
     INCINTL='-I${top_builddir}/intl'
-fi
+    ;;
+esac
 
-AC_OUTPUT(Makefile config.intl)
+AC_CONFIG_FILES(Makefile config.intl)
+AC_OUTPUT