Fix version_get.h generation on BSD.

It doesn't like .PHONY rules that are actually doing stuff. So make a really
phony rule that does nothing and depend in it in the version_git.h rule.

diff --git a/src/Makefile.am b/src/Makefile.am
index 53dd68d..0e95418 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -2,11 +2,12 @@
 
 sbin_PROGRAMS = tincd tinc sptps_test sptps_keypair
 
-## Make sure version.c is always rebuilt with the latest git information
-.PHONY: ${srcdir}/version.c version_git.h
-version_git.h:
+.PHONY: version-stamp
+version-stamp:
+
+version_git.h: version-stamp
        $(AM_V_GEN)echo >$@
-       @-(cd $(srcdir) && git describe >/dev/null) && echo '#define GIT_DESCRIPTION "'`(cd $(srcdir) && git describe) | sed 's/release-//'`'"' >$@ ||:
+       @-(cd $(srcdir) && git describe 2>/dev/null >/dev/null) && echo '#define GIT_DESCRIPTION "'`(cd $(srcdir) && git describe) | sed 's/release-//'`'"' >$@ ||:
 ${srcdir}/version.c: version_git.h
 
 if LINUX