1 files changed, 35 insertions, 2 deletions

diff --git a/Makefile.am b/Makefile.am
index 72619ec..0eb4b0e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,39 @@
-SUBDIRS=src @GRECS_TESTDIR@ @GRECS_DOCDIR@
-EXTRA_DIST=@GRECS_BUILD_AUX@
+# This file is part of Grecs
+# Copyright (C) 2007, 2009-2011 Sergey Poznyakoff
+#
+# Grecs is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# Grecs is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Grecs.  If not, see <http://www.gnu.org/licenses/>.
+
 ACLOCAL_AMFLAGS = -I am
+SUBDIRS=. src @GRECS_TESTDIR@ @GRECS_DOCDIR@
+EXTRA_DIST=@GRECS_BUILD_AUX@ gitid.h
+
+noinst_HEADERS = gitid.h
+BUILT_SOURCES = gitid.h
+
+.PHONY: gitid.h
+gitid.h:
+        @if test -d .git; then \
+           url=`git config --get remote.origin.url | sed 's|.*://||'`; \
+           if test "$$url" = "git.gnu.org.ua/gitroot/grecs.git"; then \
+              dirty=`git diff-index --name-only HEAD 2>/dev/null` || dirty=;\
+              test -n "$$dirty" && dirty="-dirty"; \
+              ID=`git log -1 --pretty='%H-%ct-%ae'`$$dirty;\
+              echo "#define GRECS_GIT_ID \"$$ID\"" > gitid.tmp; \
+              cmp gitid.tmp gitid.h >/dev/null 2>&1 || mv gitid.tmp gitid.h; \
+              rm -f gitid.tmp; \
+           fi; \
+        fi; 
 
 @GRECS_CHANGELOG@.PHONY: ChangeLog
 @GRECS_CHANGELOG@ChangeLog: