Add support for --enable-relocatable to libcharset.

Author: bhaible

.gitignore

@@ -16,9 +16,13 @@
 /doc/relocatable.texi
 /libcharset/INSTALL.generic
 /libcharset/build-aux/config.libpath
+/libcharset/build-aux/libtool-reloc
 /libcharset/m4/codeset.m4
 /libcharset/m4/fcntl-o.m4
 /libcharset/m4/glibc21.m4
+/libcharset/m4/lib-ld.m4
+/libcharset/m4/relocatable-lib.m4
+/libcharset/m4/relocatable.m4
 /libcharset/m4/visibility.m4
 /srclib/_Noreturn.h
 /srclib/Makefile.gnulib

ChangeLog

@@ -1,3 +1,9 @@
+2019-03-04  Bruno Haible  <bruno@clisp.org>
+
+	Add support for --enable-relocatable to libcharset.
+	* autogen.sh: Copy some more files to libcharset/build-aux/ and
+	libcharset/m4/.
+
 2019-03-04  Bruno Haible  <bruno@clisp.org>
 
 	Update --enable-relocatable support after gnulib changed.

autogen.sh

@@ -12,7 +12,7 @@
 # It also requires
 #   - the gperf program.
 
-# Copyright (C) 2003-2012, 2016, 2018 Free Software Foundation, Inc.
+# Copyright (C) 2003-2012, 2016, 2018-2019 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -75,10 +75,10 @@ make -f Makefile.devel totally-clean all || exit $?
 for file in INSTALL.generic; do
   cp -p $file libcharset/$file || exit $?
 done
-for file in config.guess config.libpath config.sub install-sh mkinstalldirs; do
+for file in config.guess config.libpath config.sub install-sh libtool-reloc mkinstalldirs; do
   cp -p build-aux/$file libcharset/build-aux/$file || exit $?
 done
-for file in codeset.m4 fcntl-o.m4 glibc21.m4 visibility.m4; do
+for file in codeset.m4 fcntl-o.m4 glibc21.m4 lib-ld.m4 relocatable.m4 relocatable-lib.m4 visibility.m4; do
   cp -p srcm4/$file libcharset/m4/$file || exit $?
 done
 

libcharset/ChangeLog

@@ -1,3 +1,8 @@
+2019-03-04  Bruno Haible  <bruno@clisp.org>
+
+	Add support for --enable-relocatable.
+	* libcharset/configure.ac: Invoke gl_RELOCATABLE.
+
 2019-01-27  Bruno Haible  <bruno@clisp.org>
 
 	Accommodate a shell that is not in /bin/sh.

libcharset/configure.ac

@@ -45,9 +45,10 @@ dnl           checks for compiler output filename suffixes
 AC_OBJEXT
 AC_EXEEXT
 
-dnl           check for build configuration
+dnl           checks for build configuration
 
 LT_INIT([win32-dll])
+gl_RELOCATABLE
 gl_VISIBILITY
 
 dnl           checks for header files and functions