X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=Makefile.in;h=3c4ae924d9e3f913ad5f6e8500a8e97df899fb73;hb=c649eafe19939630ff1e50d241abd8f4bc935339;hp=ba5a861d8f4f50e8f30f6f43e23cd20992f4cd99;hpb=0757576591ae7ba84ee28067c04fa7d5490632c4;p=secnet.git

diff --git a/Makefile.in b/Makefile.in
index ba5a861..3c4ae92 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -18,7 +18,7 @@
 .PHONY:	all clean realclean distclean dist install
 
 PACKAGE:=secnet
-VERSION:=0.3.1
+VERSION:=0.3.4
 
 @SET_MAKE@
 
@@ -37,7 +37,8 @@ CFLAGS:=-Wall @WRITESTRINGS@ @CFLAGS@ -Werror \
 	-Wmissing-declarations -Wnested-externs -Wredundant-decls \
 	-Wpointer-arith -Wformat=2 -Winit-self \
 	-Wswitch-enum -Wunused-variable -Wunused-function -Wbad-function-cast \
-	-Wno-strict-aliasing -fno-strict-aliasing
+	-Wno-strict-aliasing -fno-strict-aliasing \
+	-MMD
 ALL_CFLAGS:=@DEFS@ -I$(srcdir) -I. $(CFLAGS) $(EXTRA_CFLAGS)
 CPPFLAGS:=@CPPFLAGS@ $(EXTRA_CPPFLAGS)
 LDFLAGS:=@LDFLAGS@ $(EXTRA_LDFLAGS)
@@ -55,13 +56,19 @@ TARGETS:=secnet
 OBJECTS:=secnet.o util.o conffile.yy.o conffile.tab.o conffile.o modules.o \
 	resolver.o random.o udp.o site.o transform-cbcmac.o transform-eax.o \
 	netlink.o rsa.o dh.o serpent.o serpentbe.o \
-	md5.o sha512.o version.o tun.o slip.o sha1.o ipaddr.o log.o \
+	md5.o sha512.o tun.o slip.o sha1.o ipaddr.o log.o \
 	process.o @LIBOBJS@ \
 	hackypar.o
+# version.o is handled specially below and in the link rule for secnet.
 
 TEST_OBJECTS:=eax-aes-test.o eax-serpent-test.o eax-serpentbe-test.o \
 		eax-test.o aes.o
 
+ifeq (version.o,$(MAKECMDGOALS))
+OBJECTS:=version.o
+TEST_OBJECTS:=
+endif
+
 %.c:	%.y
 
 %.yy.c:	%.fl
@@ -100,12 +107,7 @@ config.status: configure
 SOURCES:=$(OBJECTS:.o=.c) $(TEST_OBJECTS:.o=.c)
 DEPENDS:=$(OBJECTS:.o=.d) $(TEST_OBJECTS:.o=.d)
 
-$(DEPENDS): ${srcdir}/depend.sh
-
-%.d: %.c
-	${srcdir}/depend.sh $(srcdir) $(CPPFLAGS) $(ALL_CFLAGS) $< > $@
-
--include $(DEPENDS)
+-include *.d
 
 # Manual dependencies section
 conffile.yy.c:	conffile.fl conffile.tab.c
@@ -114,14 +116,31 @@ conffile.tab.c:	conffile.y
 # End of manual dependencies section
 
 secnet:	$(OBJECTS)
-	$(CC) $(LDFLAGS) $(ALL_CFLAGS) -o $@ $(OBJECTS) $(LDLIBS)
+	$(MAKE) version.o # *.o $(filter-out %.o, $^)
+	$(CC) $(LDFLAGS) $(ALL_CFLAGS) -o $@ $(OBJECTS) version.o $(LDLIBS)
+# We (always) regenerate the version, but only if we regenerate the
+# binary.  (This is necessary as the version string is can depend on
+# any of the source files, eg to see whether "+" is needed.)
+
+ifneq (,$(wildcard .git/HEAD))
+# If we have (eg) committed, relink and thus regenerate the version
+# with the new info from git describe.
+secnet: Makefile .git/HEAD $(shell sed -n 's#^ref: #.git/#p' .git/HEAD)
+secnet: $(wildcard .git/packed-refs)
+endif
 
 check: eax-aes-test.confirm eax-serpent-test.confirm \
 	eax-serpentbe-test.confirm
 
 version.c: Makefile
 	echo "#include \"secnet.h\"" >$@.new
-	echo "char version[]=\"secnet $(VERSION)\";" >>$@.new
+	@set -ex; if test -e .git; then \
+		v=$$(git describe --match 'v*'); v=$${v#v}; \
+		if ! git diff --quiet HEAD; then v="$$v+"; fi; \
+	else \
+		v="$(VERSION)"; \
+	fi; \
+	echo "char version[]=\"secnet $$v\";" >>$@.new
 	mv -f $@.new $@
 
 eax-%-test: eax-%-test.o eax-test.o %.o