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do not require two ./autogen.sh runs to permit "make"

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* autogen.sh (bootstrap_hash): New function.
Running bootstrap may update the gnulib SHA1, yet we were computing
t=$(git submodule status ...) *prior* to running bootstrap, and
then recording that sometimes-stale value in the stamp file upon
a successful bootstrap run.  That would require two (lengthy!)
bootstrap runs to update the stamp file.
This commit is contained in:
Jim Meyering 2010-03-16 21:08:31 +01:00
parent fe2f1ba1db
commit be7780b035
1 changed files with 14 additions and 7 deletions
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21
autogen.sh
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@ -62,20 +62,27 @@ else
fi
fi
# Compute the hash we'll use to determine whether rerunning bootstrap
# is required. The first is just the SHA1 that selects a gnulib snapshot.
# The second ensures that whenever we change the set of gnulib modules used
# by this package, we rerun bootstrap to pull in the matching set of files.
bootstrap_hash()
{
git submodule status | sed 's/^[ +-]//;s/ .*//'
git hash-object bootstrap.conf
}
# Ensure that whenever we pull in a gnulib update or otherwise change to a
# different version (i.e., when switching branches), we also rerun ./bootstrap.
curr_status=.git-module-status
t=$(git submodule status|sed 's/^[ +-]//;s/ .*//'; \
git hash-object bootstrap.conf)
t=$(bootstrap_hash)
if test "$t" = "$(cat $curr_status 2>/dev/null)"; then
: # good, it's up to date, all we need is autoreconf
autoreconf -if
else
echo running bootstrap...
./bootstrap && echo "$t" > $curr_status || {
echo "Failed to bootstrap gnulib, please investigate."
exit 1;
}
echo running bootstrap...
./bootstrap && bootstrap_hash > $curr_status \
|| { echo "Failed to bootstrap gnulib, please investigate."; exit 1; }
fi
cd "$THEDIR"