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libvirt/autogen.sh
Stefan Zimmermann 0c77a54e3b maint: improve usage of autogen's --no-git
If you build libvirt with the --no-git option, then gnulib requires
either $GNULIB_SRCDIR in the environment or --gnulib-srcdir on the
command line.  But we had not been supporting its use from the
command line.  This patch is a bit picky: --gnulib-srcdir must be
passed immediately after --no-git; but since we don't reorder
arguments, and since we already required --no-git to be first to
have any effect, it's not too horrible.  It also does the wrong
thing if you include spaces in your arguments, but developers
doing that deserve what they get, right?

Signed-off-by: Stefan Zimmermann <stzi@linux.vnet.ibm.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2015-02-06 11:35:29 -07:00

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#!/bin/sh
# Run this to generate all the initial makefiles, etc.
set -e
srcdir=`dirname "$0"`
test -z "$srcdir" && srcdir=.
THEDIR=`pwd`
cd "$srcdir"
test -f src/libvirt.c || {
echo "You must run this script in the top-level libvirt directory"
exit 1
}
EXTRA_ARGS=
no_git=
if test "x$1" = "x--no-git"; then
no_git=" $1"
shift
case "$1 $2" in
--gnulib-srcdir=*) no_git="$no_git $1"; shift ;;
--gnulib-srcdir\ *) no_git="$no_git $1=$2"; shift; shift;;
esac
fi
if test -z "$NOCONFIGURE" ; then
if test "x$1" = "x--system"; then
shift
prefix=/usr
libdir=$prefix/lib
sysconfdir=/etc
localstatedir=/var
if [ -d /usr/lib64 ]; then
libdir=$prefix/lib64
fi
EXTRA_ARGS="--prefix=$prefix --sysconfdir=$sysconfdir --localstatedir=$localstatedir --libdir=$libdir"
echo "Running ./configure with $EXTRA_ARGS $@"
else
if test -z "$*" && test ! -f "$THEDIR/config.status"; then
echo "I am going to run ./configure with no arguments - if you wish"
echo "to pass any to it, please specify them on the $0 command line."
fi
fi
fi
# Compute the hash we'll use to determine whether rerunning bootstrap
# is required. The first is just the SHA1 that selects a gnulib snapshot.
# The second ensures that whenever we change the set of gnulib modules used
# by this package, we rerun bootstrap to pull in the matching set of files.
# The third ensures that whenever we change the set of local gnulib diffs,
# we rerun bootstrap to pull in those diffs.
bootstrap_hash()
{
if test "$no_git"; then
echo no-git
return
fi
git submodule status | sed 's/^[ +-]//;s/ .*//'
git hash-object bootstrap.conf
git ls-tree -d HEAD gnulib/local | awk '{print $3}'
}
# Ensure that whenever we pull in a gnulib update or otherwise change to a
# different version (i.e., when switching branches), we also rerun ./bootstrap.
# Also, running 'make rpm' tends to litter the po/ directory, and some people
# like to run 'git clean -x -f po' to fix it; but only ./bootstrap regenerates
# the required file po/Makevars.
# Only run bootstrap from a git checkout, never from a tarball.
if test -d .git || test -f .git; then
curr_status=.git-module-status t=
if test "$no_git"; then
t=no-git
elif test -d .gnulib; then
t=$(bootstrap_hash; git diff .gnulib)
fi
case $t:${CLEAN_SUBMODULE+set} in
*:set) ;;
*-dirty*)
echo "error: gnulib submodule is dirty, please investigate" 2>&1
echo "set env-var CLEAN_SUBMODULE to discard gnulib changes" 2>&1
exit 1 ;;
esac
# Keep this test in sync with cfg.mk:_update_required
if test "$t" = "$(cat $curr_status 2>/dev/null)" \
&& test -f "po/Makevars" && test -f AUTHORS; then
# good, it's up to date, all we need is autoreconf
autoreconf -if
else
if test -z "$no_git" && test ${CLEAN_SUBMODULE+set}; then
echo cleaning up submodules...
git submodule foreach 'git clean -dfqx && git reset --hard'
fi
echo running bootstrap$no_git...
./bootstrap$no_git --bootstrap-sync && bootstrap_hash > $curr_status \
|| { echo "Failed to bootstrap, please investigate."; exit 1; }
fi
fi
test -n "$NOCONFIGURE" && exit 0
cd "$THEDIR"
if test "x$OBJ_DIR" != x; then
mkdir -p "$OBJ_DIR"
cd "$OBJ_DIR"
fi
if test -z "$*" && test -z "$EXTRA_ARGS" && test -f config.status; then
./config.status --recheck
else
$srcdir/configure $EXTRA_ARGS "$@"
fi && {
echo
echo "Now type 'make' to compile libvirt."
}