forked from OSchip/llvm-project
28 lines
805 B
Plaintext
28 lines
805 B
Plaintext
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AC_DEFUN([AX_DETECT_GIT_HEAD], [
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AC_SUBST(GIT_HEAD_ID)
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AC_SUBST(GIT_HEAD)
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AC_SUBST(GIT_HEAD_VERSION)
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if test -f $srcdir/.git/HEAD; then
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GIT_HEAD="$srcdir/.git/index"
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GIT_REPO="$srcdir/.git"
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GIT_HEAD_ID=`GIT_DIR=$GIT_REPO git describe --always`
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elif test -f $srcdir/GIT_HEAD_ID; then
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GIT_HEAD_ID=`cat $srcdir/GIT_HEAD_ID`
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else
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mysrcdir=`(cd $srcdir; pwd)`
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head=`basename $mysrcdir | sed -e 's/.*-//'`
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head2=`echo $head | sed -e 's/[^0-9a-f]//'`
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head3=`echo $head2 | sed -e 's/........................................//'`
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if test "x$head3" = "x" -a "x$head" = "x$head2"; then
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GIT_HEAD_ID="$head"
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else
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GIT_HEAD_ID="UNKNOWN"
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fi
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fi
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if test -z "$GIT_REPO" ; then
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GIT_HEAD_VERSION="$GIT_HEAD_ID"
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else
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GIT_HEAD_VERSION="\`GIT_DIR=$GIT_REPO git describe --always\`"
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fi
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])
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