X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/8aa16eb712afac844fb28ed465c6076c6b0ea22b..cdb37db5c0ff060de7edfc94e830cab6b7f7c084:/src/OS/Makefile-Base

diff --git a/src/OS/Makefile-Base b/src/OS/Makefile-Base
index 7122bc019..9eed7b0b9 100644
--- a/src/OS/Makefile-Base
+++ b/src/OS/Makefile-Base
@@ -6,6 +6,7 @@
 # build directory.
 #
 # Copyright (c) The Exim Maintainers 1995 - 2018
+# Copyright (c) The Exim Maintainers 2020
 
 SHELL      = $(MAKE_SHELL)
 SCRIPTS    = ../scripts
@@ -661,11 +662,14 @@ PHDRS = ../config.h \
 .c.o:;  @echo "$(CC) $*.c"
 	$(FE)$(CC) -c $(CFLAGS) -I. $(INCLUDE) $(IPV6_INCLUDE) $(TLS_INCLUDE) $*.c
 
-# Update Exim's version information and build the version object.
+# Update Exim's version information and build the version object.  The dependency
+# chain here avoids problems under parallel-make.
 
-version.h version.sh::
+version.sh:
 	@../scripts/reversion
 
+version.h: version.sh
+
 cnumber.h: version.h
 
 version.o: $(HDRS) cnumber.h version.h version.c