autogen.sh: learn about gmake

Fixes: 69cce257eb6183dda114d8f5b8ca0325cfabe2e1
("69cce257eb6183dda114d8f5b8ca0325cfabe2e1")

diff --git a/autogen.sh b/autogen.sh
index aa67ab1ef3c31a346120012423c0e981e09a6fc2..bcfe937a60ce2c8d306803f060a2629bede2d5a6 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,10 @@
 #!/bin/sh
 
-make maintainer-clean >/dev/null 2>/dev/null
+MAKE=make
+if command -v gmake >/dev/null 2>/dev/null; then
+  MAKE=gmake
+fi
+$MAKE maintainer-clean >/dev/null 2>/dev/null
 
 if [ -x "`which autoreconf 2>/dev/null`" ] ; then
    exec autoreconf -ivf