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-rw-r--r--configure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index d75c699..e40d794 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,6 +23,9 @@ AM_SILENT_RULES([yes])
GUILE_PKG([3.0 2.2])
GUILE_PROGS
+AC_PROG_SED
+AC_PATH_PROG([DOT], [dot])
+AC_PATH_PROG([CWLTOOL], [cwltool])
AC_PATH_PROG([EMACS], [emacs])
AC_PATH_PROG([SKRIBILO], [skribilo])