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    1: # relocatable-lib.m4 serial 3
    2: dnl Copyright (C) 2003, 2005-2007 Free Software Foundation, Inc.
    3: dnl This file is free software; the Free Software Foundation
    4: dnl gives unlimited permission to copy and/or distribute it,
    5: dnl with or without modifications, as long as this notice is preserved.
    6: 
    7: dnl From Bruno Haible.
    8: 
    9: dnl Support for relocatable libraries.
   10: AC_DEFUN([gl_RELOCATABLE_LIBRARY],
   11: [
   12:   AC_REQUIRE([gl_RELOCATABLE_LIBRARY_BODY])
   13:   if test $RELOCATABLE = yes; then
   14:     AC_LIBOBJ([relocatable])
   15:   fi
   16: ])
   17: AC_DEFUN([gl_RELOCATABLE_LIBRARY_BODY],
   18: [
   19:   AC_REQUIRE([gl_RELOCATABLE_NOP])
   20:   dnl Easier to put this here once, instead of into the DEFS of each Makefile.
   21:   if test "X$prefix" = "XNONE"; then
   22:     reloc_final_prefix="$ac_default_prefix"
   23:   else
   24:     reloc_final_prefix="$prefix"
   25:   fi
   26:   AC_DEFINE_UNQUOTED([INSTALLPREFIX], ["${reloc_final_prefix}"],
   27:     [Define to the value of ${prefix}, as a string.])
   28:   if test $RELOCATABLE = yes; then
   29:     AC_DEFINE([ENABLE_RELOCATABLE], 1,
   30:       [Define to 1 if the package shall run at any location in the filesystem.])
   31:   fi
   32: ])
   33: 
   34: dnl Like gl_RELOCATABLE_LIBRARY, except prepare for separate compilation
   35: dnl (no AC_LIBOBJ).
   36: AC_DEFUN([gl_RELOCATABLE_LIBRARY_SEPARATE],
   37: [
   38:   AC_REQUIRE([gl_RELOCATABLE_LIBRARY_BODY])
   39: ])
   40: 
   41: dnl Support for relocatable packages for which it is a nop.
   42: AC_DEFUN([gl_RELOCATABLE_NOP],
   43: [
   44:   AC_MSG_CHECKING([whether to activate relocatable installation])
   45:   AC_ARG_ENABLE(relocatable,
   46:     [  --enable-relocatable    install a package that can be moved in the filesystem],
   47:     [if test "$enableval" != no; then
   48:        RELOCATABLE=yes
   49:      else
   50:        RELOCATABLE=no
   51:      fi
   52:     ], RELOCATABLE=no)
   53:   AC_SUBST(RELOCATABLE)
   54:   AC_MSG_RESULT([$RELOCATABLE])
   55: ])
   56: