# Written by Chris Dunlap <cdunlap@llnl.gov>.
# Modified by Brian Behlendorf <behlendorf1@llnl.gov>.
###############################################################################
-# SPL_AC_META: Read metadata from the META file.
+# SPL_AC_META: Read metadata from the META file. When building from a
+# git repository the SPL_META_RELEASE field will be overwritten if there
+# is an annotated tag matching the form SPL_META_NAME-SPL_META_VERSION-*.
+# This allows for working builds to be uniquely identified using the git
+# commit hash.
###############################################################################
AC_DEFUN([SPL_AC_META], [
AC_MSG_CHECKING([metadata])
META="$srcdir/META"
- _spl_ac_meta_got_file=no
+ _spl_ac_meta_type="none"
if test -f "$META"; then
- _spl_ac_meta_got_file=yes
+ _spl_ac_meta_type="META file"
SPL_META_NAME=_SPL_AC_META_GETVAL([(?:NAME|PROJECT|PACKAGE)]);
if test -n "$SPL_META_NAME"; then
fi
SPL_META_RELEASE=_SPL_AC_META_GETVAL([RELEASE]);
+ if git rev-parse --git-dir > /dev/null 2>&1; then
+ _match="${SPL_META_NAME}-${SPL_META_VERSION}*"
+ _alias=$(git describe --match=${_match} 2>/dev/null)
+ _release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g')
+ if test -n "${_release}"; then
+ SPL_META_RELEASE=${_release}
+ _spl_ac_meta_type="git describe"
+ fi
+ fi
+
if test -n "$SPL_META_RELEASE"; then
AC_DEFINE_UNQUOTED([SPL_META_RELEASE], ["$SPL_META_RELEASE"],
[Define the project release.]
)
AC_SUBST([SPL_META_RELEASE])
+
+ RELEASE="$SPL_META_RELEASE"
+ AC_SUBST([RELEASE])
fi
if test -n "$SPL_META_NAME" -a -n "$SPL_META_VERSION"; then
fi
fi
- AC_MSG_RESULT([$_spl_ac_meta_got_file])
+ AC_MSG_RESULT([$_spl_ac_meta_type])
]
)