configure.ac: Set value-if-not-found, don't check for program 'false'

Signed-off-by: Loui Chang <louipc.ist@gmail.com>
Signed-off-by: Jonas Fonseca <fonseca@diku.dk>

diff --git a/configure.ac b/configure.ac
index 27a78b12b5bc8e0a1ab8ecaee149cce850b4aae7..e209afe6a7814bbe9e6e4e17b20153ac2a2f7104 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -23,9 +23,9 @@ AM_ICONV
 
 AC_PROG_CC
 
-AC_CHECK_PROGS(ASCIIDOC, [asciidoc false])
-AC_CHECK_PROGS(XMLTO, [xmlto false])
-AC_CHECK_PROGS(DOCBOOK2PDF, [docbook2pdf false])
+AC_CHECK_PROGS(ASCIIDOC, [asciidoc], [false])
+AC_CHECK_PROGS(XMLTO, [xmlto], [false])
+AC_CHECK_PROGS(DOCBOOK2PDF, [docbook2pdf], [false])
 
 AC_CONFIG_FILES([config.make])
 AC_OUTPUT