X-Git-Url: https://git.llucax.com/software/sercom-old.git/blobdiff_plain/0f9f3c1e19351409860692d236ae01006418c5da..5fbd64ffbcf2259aed83351dcf00ee47a75ff931:/doc/examples/Makefile

diff --git a/doc/examples/Makefile b/doc/examples/Makefile
index a7751fd..13ac517 100644
--- a/doc/examples/Makefile
+++ b/doc/examples/Makefile
@@ -68,6 +68,11 @@ all: $(target)
 o_files = $(patsubst %.$(extension),%.o,$(fuentes))
 
 $(target): $(o_files)
+	@if [ -z "$(o_files)" ]; \
+	then \
+		echo "No hay archivos de entrada, recuerde que la extensión debe ser '.$(extension)'."; \
+		false; \
+	fi >&2
 	$(enlazador) $(LDFLAGS) $(o_files) $(LOADLIBES) $(LDLIBS) -o $(target)
 
 clean: