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-rw-r--r--core/erlc.mk4
1 files changed, 4 insertions, 0 deletions
diff --git a/core/erlc.mk b/core/erlc.mk
index 87d10d8..1225eb8 100644
--- a/core/erlc.mk
+++ b/core/erlc.mk
@@ -26,6 +26,10 @@ xyrl_verbose = $(xyrl_verbose_$(V))
app:: ebin/$(PROJECT).app
$(eval MODULES := $(shell find ebin -type f -name \*.beam \
| sed "s/ebin\//'/;s/\.beam/',/" | sed '$$s/.$$//'))
+ @if [ -z "$$(grep -E '^[^%]*{modules,[[:space:]]*\[\]}' src/$(PROJECT).app.src)" ]; then \
+ echo "Empty modules entry not found in $(PROJECT).app.src. Please consult the erlang.mk README for instructions." >&2; \
+ exit 1; \
+ fi
$(appsrc_verbose) cat src/$(PROJECT).app.src \
| sed "s/{modules,[[:space:]]*\[\]}/{modules, \[$(MODULES)\]}/" \
> ebin/$(PROJECT).app