From c253c8367a627151aab5ebbe0bbe6722f0630af6 Mon Sep 17 00:00:00 2001
From: "W.C.A. Wijngaards" <wouter@nlnetlabs.nl>
Date: Tue, 29 Apr 2025 12:38:41 +0200
Subject: [PATCH] - Fix for parallel build of dnstap protoc-c output.

---
 Makefile.in   | 6 +++++-
 doc/Changelog | 3 +++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Makefile.in b/Makefile.in
index 463cdac28..76ad6bcb9 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -449,9 +449,13 @@ dnstap.lo dnstap.o: $(srcdir)/dnstap/dnstap.c config.h dnstap/dnstap_config.h \
 	$(srcdir)/util/netevent.h $(srcdir)/util/net_help.h \
 	$(srcdir)/util/locks.h
 
-dnstap/dnstap.pb-c.c dnstap/dnstap.pb-c.h: $(srcdir)/dnstap/dnstap.proto
+# Builds both dnstap/dnstap.pb-c.c and dnstap/dnstap.pb-c.h.
+# To avoid double-building we split one target out.
+dnstap/dnstap.pb-c.c: $(srcdir)/dnstap/dnstap.proto
 	@-if test ! -d dnstap; then $(INSTALL) -d dnstap; fi
 	$(PROTOC_C) --c_out=. --proto_path=$(srcdir) $(srcdir)/dnstap/dnstap.proto
+dnstap/dnstap.pb-c.h: dnstap/dnstap.pb-c.c
+	touch $@
 
 unbound-dnstap-socket$(EXEEXT):	$(DNSTAP_SOCKET_OBJ_LINK)
 	$(LINK) -o $@ $(DNSTAP_SOCKET_OBJ_LINK) $(SSLLIB) $(LIBS)
diff --git a/doc/Changelog b/doc/Changelog
index f92f2f645..68a10be60 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,6 @@
+29 April 2025: Wouter
+	- Fix for parallel build of dnstap protoc-c output.
+
 28 April 2025: Yorgos
 	- Merge #1275: Use macros for the fr_check_changed* functions.
 
-- 
2.47.3