Build: fix parallelism problem. Bug 2566

[exim.git] / src / OS / Makefile-Base

diff --git a/src/OS/Makefile-Base b/src/OS/Makefile-Base
index 36af8308d05333cb6a43623c7a4bbb2a4373c130..9eed7b0b9fae1f24bedc1aa0d48de98e6fdb61c7 100644 (file)
--- 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
@@ -870,9 +874,9 @@ em_text.o:       ../exim_monitor/em_text.c    ../exim_monitor/em_hdr.h
 em_xs.o:         ../exim_monitor/em_xs.c      ../exim_monitor/em_hdr.h
 em_version.o:    ../exim_monitor/em_version.c ../exim_monitor/em_hdr.h
 $(MONBIN): $(HDRS)
-                @echo "$(CC) exim_monitor/`echo $@ | sed 's/o$$/c/'`"
-                $(FE)$(CC) -o $@ -c $(CFLAGS) -I. -I../exim_monitor $(INCLUDE) $(XINCLUDE) \
-                  ../exim_monitor/`echo $@ | sed 's/o$$/c/'`
+                @echo "$(CC) exim_monitor/$(@:.o=.c)"
+                $(FE)$(CC) -o $@ -c $(CFLAGS) -DCOMPILE_UTILITY -I. -I../exim_monitor $(INCLUDE) $(XINCLUDE) \
+                  ../exim_monitor/$(@:.o=.c)
 
 
 # Targets for the various libraries that Exim uses.