-dnl Copyright 2009 Free Software Foundation, Inc.
+dnl Copyright 2009,2010 Free Software Foundation, Inc.
dnl
dnl This file is part of GNU Radio
dnl
dnl If it exists, get either 'git describe' or fallback to current commit
if test x$GIT != x ; then
- if (cd $srcdir && $GIT describe >/dev/null 2>&1); then
- GIT_VERSION=`cd $srcdir && $GIT describe --abbrev=8 | cut -f 2- -d '-'`
- else
- if (cd $srcdir && $GIT describe --always --abbrev=8 >/dev/null 2>&1); then
- GIT_VERSION=`cd $srcdir && $GIT describe --always --abbrev=8`
+ AC_MSG_CHECKING([existence of git version control directory])
+ if test -d $srcdir/.git ; then
+ AC_MSG_RESULT([ok])
+ AC_MSG_CHECKING([git description of current commit])
+ if (cd $srcdir && $GIT describe >/dev/null 2>&1); then
+ GIT_DESCRIBE=`cd $srcdir && $GIT describe --abbrev=8 --long`
+ # Release candidate tags create an extra -rcX field
+ case $GIT_DESCRIBE in
+ *-*-*-*)
+ GIT_TAG=`echo $GIT_DESCRIBE | cut -f -2 -d '-'`
+ GIT_SEQNO=`echo $GIT_DESCRIBE | cut -f 3 -d '-'`
+ GIT_COMMIT=`echo $GIT_DESCRIBE | cut -f 4 -d '-' | cut -f 2- -d 'g'`
+ ;;
+ *-*-*)
+ GIT_TAG=`echo $GIT_DESCRIBE | cut -f 1 -d '-'`
+ GIT_SEQNO=`echo $GIT_DESCRIBE | cut -f 2 -d '-'`
+ GIT_COMMIT=`echo $GIT_DESCRIBE | cut -f 3 -d '-' | cut -f 2- -d 'g'`
+ ;;
+ esac
+
+ AC_MSG_RESULT([$GIT_DESCRIBE])
+ else
+ AC_MSG_RESULT([no tag in history, using current commit])
+ GIT_TAG=''
+ GIT_SEQNO=''
+ GIT_COMMIT=`cd $srcdir && $GIT describe --always --abbrev=8`
fi
+ else
+ AC_MSG_RESULT([not found])
fi
+
+ AC_SUBST([GIT_DESCRIBE])
+ AC_SUBST([GIT_TAG])
+ AC_SUBST([GIT_SEQNO])
+ AC_SUBST([GIT_COMMIT])
fi
])