From: Ian Abbott <abbotti@mev.co.uk>
Date: Wed, 19 Dec 2007 11:44:16 +0000 (+0000)
Subject: Define datarootdir, docdir, htmldir and pdfdir if not defined by autoconf
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=599cf81a1bcc9dbbe5e9a088b766ca8af662be1c;p=comedilib.git

Define datarootdir, docdir, htmldir and pdfdir if not defined by autoconf
(first defined in autoconf-2.59c).
---

diff --git a/configure.ac b/configure.ac
index 1acc52e..bc9f62d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -48,6 +48,27 @@ COMEDILIB_LIBS="$COMEDILIB_LIBS \$(top_builddir)/lib/libcomedi.la -lm"
 AC_SUBST(COMEDILIB_CFLAGS)
 AC_SUBST(COMEDILIB_LIBS)
 
+# autoconf backwards compatibility
+if test "$datarootdir" = ""; then
+	datarootdir='${datadir}'
+	AC_SUBST(datarootdir)
+fi
+
+if test "$docdir" = ""; then
+	docdir='${datarootdir}/doc/${PACKAGE}'
+	AC_SUBST(docdir)
+fi
+
+if test "$htmldir" = ""; then
+	htmldir='${docdir}'
+	AC_SUBST(htmldir)
+fi
+
+if test "$pdfdir" = ""; then
+	pdfdir='${docdir}'
+	AC_SUBST(pdfdir)
+fi
+
 #swig
 AC_PATH_PROG(SWIG, swig, "no")
 if test "$SWIG" == "no" ; then