From d827c6cf1631209f5042a9d1d8a7ecc24223c8a0 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 23:06:40 +0200
Subject: Adding upstream version 13.11.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 t/buildsystems/parallel.mk | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 t/buildsystems/parallel.mk

(limited to 't/buildsystems/parallel.mk')

diff --git a/t/buildsystems/parallel.mk b/t/buildsystems/parallel.mk
new file mode 100644
index 0000000..3e0d201
--- /dev/null
+++ b/t/buildsystems/parallel.mk
@@ -0,0 +1,21 @@
+all: FIRST SECOND
+
+TMPFILE ?= $(CURDIR)/parallel.mk.lock
+
+rmtmpfile:
+	@rm -f "$(TMPFILE)"
+
+FIRST: rmtmpfile
+	@c=0; \
+    while [ $$c -le 5 ] && \
+          ([ ! -e "$(TMPFILE)" ] || [ "`cat "$(TMPFILE)"`" != "SECOND" ]); do \
+        c=$$(($$c+1)); \
+        sleep 0.1; \
+    done; \
+    rm -f "$(TMPFILE)"; \
+    if [ $$c -gt 5 ]; then exit 10; else exit 0; fi
+
+SECOND: rmtmpfile
+	@echo $@ > "$(TMPFILE)"
+
+.PHONY: all FIRST SECOND rmtmpfile
-- 
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