From 4b05238fee9c43acb8d05b98779e7c559e651c9d Mon Sep 17 00:00:00 2001
From: Robert Alessi <alessi@robertalessi.net>
Date: Fri, 14 Aug 2020 10:52:56 +0200
Subject: adapted makefiles. a few additions in the documentation. this is v1.0

---
 samples/Makefile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'samples/Makefile')

diff --git a/samples/Makefile b/samples/Makefile
index 49bb11b..8cb7a98 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -13,7 +13,7 @@ define dosamples
 	$(CMP) --shell-escape $1 >/dev/null
 endef
 
-all:
+all: test
 	cp ../ekdosis.{lua,sty} .
 	$(foreach file,$(texsamples), $(call dosamples, $(file)))
 	rm -rf auto
@@ -24,4 +24,10 @@ all:
 	cp -p -r .backup/* .
 	rm -rf .backup
 
+test:
+	if [ ! -e ../ekdosis.sty ] || [ ! -e ../ekdosis.lua ] ;\
+	then echo "This Makefile cannot be invoked but recursively. Aborting." && exit 1 ;\
+	fi
+
+.SILENT: test
 .PHONY: all
-- 
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