* sim/ucsim/configure.in,

[fw/sdcc] / sim / ucsim / configure.in

diff --git a/sim/ucsim/configure.in b/sim/ucsim/configure.in
index 9f25ae00e102ba942a50faec9914ab0b65f0963c..eb113efcd7b88d26f0d948b0c396beda4e8ed268 100644 (file)
--- a/sim/ucsim/configure.in
+++ b/sim/ucsim/configure.in
@@ -466,6 +466,12 @@ fi
 AC_DEFINE_UNQUOTED(_A_, "${A}")
 AC_DEFINE_UNQUOTED(_M_, "${M}")
 
+# *nix default: "${datadir}/sdcc/doc"
+AC_ARG_VAR(docdir, documentation installation directory)
+if test "${docdir}" = ""; then
+    docdir="\${datadir}"/sdcc/doc
+fi
+AC_SUBST(docdir)
 
 # Generating output files
 # ===========================================================================