syntax-check: Add all target

The makefile is an implementation detail, so point users towards
the proper way of running syntax-check if they happen to call it
directly.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

diff --git a/build-aux/syntax-check.mk b/build-aux/syntax-check.mk
index a37e43b9f6782c5afb88617a38674a4934a5c19c..b770e89efa2ac4427ab3ffc3348005a302b837e4 100644 (file)
--- a/build-aux/syntax-check.mk
+++ b/build-aux/syntax-check.mk
@@ -20,6 +20,11 @@
 # <http://www.gnu.org/licenses/>.
 
 
+all:
+       @echo "Do not call this file directly, use 'meson test' instead" >&2; \
+       exit 1
+
+
 ## ----- ##
 ## Rules ##
 ## ----- ##