tests: fix a spurious failure with Solaris make

* t/subdir-order.sh: Run make in parallel only if the make implementation
truly supports it.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/t/subdir-order.sh b/t/subdir-order.sh
index 0321c25c60af60f98e2596c0018666c7b3f1c71e..4c843cfd91e917b1ec4c77b518129c31776dd933 100644 (file)
--- a/t/subdir-order.sh
+++ b/t/subdir-order.sh
@@ -124,6 +124,17 @@ all-local:
        : > run
 END
 
+echo dummy: > Makefile
+if using_gmake; then
+  jobs=-j12
+elif $MAKE -j12; then
+  jobs=-j12
+elif $MAKE -j 12; then
+  jobs="-j 12"
+else
+  jobs=none
+fi
+rm -f Makefile
 
 $ACLOCAL
 $AUTOCONF
@@ -131,7 +142,8 @@ $AUTOMAKE -c --add-missing
 
 ./configure
 
-for j in '' -j12; do
+for j in '' "$jobs"; do
+  test x"$j" = x"none" && continue
   $MAKE $j
   test -f run
   test -f sub0/run