[PATCH] Store a version for build-aux/git-version-gen invoked from configure

[Petr Písař]

Otherwise VERSION is set to UNKNOWN which propagates into
doc/version.texi and info page.

Signed-off-by: Petr Písař <ppisar@redhat.com>
---
 .gitignore  |  3 ++-
 Makefile.am | 15 +++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index ccaa24c..6f46e53 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,7 @@
 
 /src/.deps
 
+/.version
 /doc/stamp-vti
 /doc/time.info
 /doc/version.texi
@@ -35,4 +36,4 @@
 /build-aux
 /autom4te.cache
 /time-*.tar.gz
-/time-*.tar.xz
\ No newline at end of file
+/time-*.tar.xz
diff --git a/Makefile.am b/Makefile.am
index d550daa..dd6f627 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -30,6 +30,21 @@ lib_libtime_a_CFLAGS = $(AM_CFLAGS) $(GNULIB_WARN_CFLAGS) 
$(WERROR_CFLAGS)
 lib_libtime_a_LIBADD += $(LIBOBJS)
 lib_libtime_a_DEPENDENCIES += $(LIBOBJS)
 
+##
+## Store a version for build-aux/git-version-gen invoked from configure.ac
+##
+EXTRA_DIST += \
+       $(top_srcdir)/.version
+
+BUILT_SOURCES += \
+       $(top_srcdir)/.version
+
+$(top_srcdir)/.version:
+       echo $(VERSION) > $@-t && mv $@-t $@
+
+dist-hook:
+       echo $(VERSION) > $(distdir)/.tarball-version
+
 ##
 ## GNU Time
 ##
-- 
2.26.2