1# configmake.m4 serial 1
2dnl Copyright (C) 2010-2012 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7# gl_CONFIGMAKE_PREP
8# ------------------
9# Guarantee all of the standard directory variables, even when used with
10# autoconf 2.59 (datarootdir wasn't supported until 2.59c) or automake
11# 1.9.6 (pkglibexecdir wasn't supported until 1.10b.).
12AC_DEFUN([gl_CONFIGMAKE_PREP],
13[
14  dnl Technically, datadir should default to datarootdir.  But if
15  dnl autoconf is too old to provide datarootdir, then reversing the
16  dnl definition is a reasonable compromise.  Only AC_SUBST a variable
17  dnl if it was not already defined earlier by autoconf.
18  if test "x$datarootdir" = x; then
19    AC_SUBST([datarootdir], ['${datadir}'])
20  fi
21  dnl Copy the approach used in autoconf 2.60.
22  if test "x$docdir" = x; then
23    AC_SUBST([docdir], [m4_ifset([AC_PACKAGE_TARNAME],
24      ['${datarootdir}/doc/${PACKAGE_TARNAME}'],
25      ['${datarootdir}/doc/${PACKAGE}'])])
26  fi
27  dnl The remaining variables missing from autoconf 2.59 are easier.
28  if test "x$htmldir" = x; then
29    AC_SUBST([htmldir], ['${docdir}'])
30  fi
31  if test "x$dvidir" = x; then
32    AC_SUBST([dvidir], ['${docdir}'])
33  fi
34  if test "x$pdfdir" = x; then
35    AC_SUBST([pdfdir], ['${docdir}'])
36  fi
37  if test "x$psdir" = x; then
38    AC_SUBST([psdir], ['${docdir}'])
39  fi
40  if test "x$lispdir" = x; then
41    AC_SUBST([lispdir], ['${datarootdir}/emacs/site-lisp'])
42  fi
43  if test "x$localedir" = x; then
44    AC_SUBST([localedir], ['${datarootdir}/locale'])
45  fi
46
47  dnl Automake 1.9.6 only lacks pkglibexecdir; and since 1.11 merely
48  dnl provides it without AC_SUBST, this blind use of AC_SUBST is safe.
49  AC_SUBST([pkglibexecdir], ['${libexecdir}/${PACKAGE}'])
50])
51