changelog: document changes since 0.6.0

[secnet.git] / subdirmk / usual.mk.in

diff --git a/subdirmk/usual.mk.in b/subdirmk/usual.mk.in
index 97f99e71bd676abb016dc1c3f78b015729f5240d..6cb093058eee8a2161dca4992fad079b16496d89 100644 (file)
--- a/subdirmk/usual.mk.in
+++ b/subdirmk/usual.mk.in
@@ -2,6 +2,14 @@
 #  Copyright 2019 Mark Wooding
 #  Copyright 2019 Ian Jackson
 # SPDX-License-Identifier: LGPL-2.0-or-later
+# There is NO WARRANTY.
+
+# Usage:
+#   include subdirmk/usual.mk
+# (probably in toplevel Dir.sd.mk)
+#
+# Provides various conventional `make' variables, and a
+# rule for compiling C programs.
 
 VPATH          = $(top_srcdir)
 
@@ -19,7 +27,7 @@ LIBS          ?= @LIBS@
 
 LINK           ?= $(CC) -o$@ $(CFLAGS) $(LDFLAGS)
 AR             ?= ar
-COMPILE                ?= $(CC) -c -o$@ -MD -MF $(*D)/.$(*F).d $(DEFS) $(INCLUDES) $(CFLAGS)
+COMPILE                ?= $(CC) -c -o$@ $(CDEPS_CFLAGS) $(DEFS) $(INCLUDES) $(CFLAGS)
 
 %.o: %.c
        $(COMPILE) $<