From 7d88cb3c1392393c2910f2f96c93549bb5482f9f Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Tue, 30 May 2017 23:23:19 +0200
Subject: build: allow to build self-contained executable

---
 Makefile | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index dd896e2..b71238a 100644
--- a/Makefile
+++ b/Makefile
@@ -72,6 +72,20 @@ vis-menu: vis-menu.c
 vis-digraph: vis-digraph.c
 	${CC} ${CFLAGS} ${CFLAGS_AUTO} ${CFLAGS_STD} ${CFLAGS_EXTRA} $< ${LDFLAGS} ${LDFLAGS_STD} ${LDFLAGS_AUTO} -o $@
 
+vis-single-payload.inc: $(EXECUTABLES) lua/*
+	echo '#ifndef VIS_SINGLE_PAYLOAD_H' > vis-single-payload.inc
+	echo '#define VIS_SINGLE_PAYLOAD_H' >> vis-single-payload.inc
+	echo 'unsigned char vis_single_payload[] = {' >> vis-single-payload.inc
+	tar c $(EXECUTABLES) $$(find lua -name '*.lua') | xz | od -t x1 -A none -v | \
+		sed 's/\([0-9a-f]\+\)/0x\1,/g;$$s/,$$/ };/' >> vis-single-payload.inc
+	echo '#endif' >> vis-single-payload.inc
+
+vis-single: vis-single.c vis-single-payload.inc
+	for e in $(ELF); do \
+		${STRIP} "$$e"; \
+	done
+	${CC} ${CFLAGS} ${CFLAGS_AUTO} ${CFLAGS_STD} ${CFLAGS_EXTRA} $< ${LDFLAGS} ${LDFLAGS_STD} ${LDFLAGS_AUTO} -larchive -lacl -lbz2 -llzma -o $@
+
 debug: clean
 	@$(MAKE) CFLAGS_EXTRA='${CFLAGS_EXTRA} ${CFLAGS_DEBUG}'
 
@@ -91,7 +105,7 @@ test:
 
 clean:
 	@echo cleaning
-	@rm -f $(ELF) vis-single vis-*.tar.gz *.gcov *.gcda *.gcno
+	@rm -f $(ELF) vis-single vis-single-payload.inc vis-*.tar.gz *.gcov *.gcda *.gcno
 
 dist: clean
 	@echo creating dist tarball
-- 
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