# Copyright (C) 2011 Colin Walters <walters@verbum.org>

#

# SPDX-License-Identifier: LGPL-2.0+

#

# This library is free software; you can redistribute it and/or

# modify it under the terms of the GNU Lesser General Public

# License as published by the Free Software Foundation; either

# version 2 of the License, or (at your option) any later version.

#

# This library is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# Lesser General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public

# License along with this library; if not, write to the

# Free Software Foundation, Inc., 59 Temple Place - Suite 330,

# Boston, MA 02111-1307, USA.

if BUILDOPT_SYSTEMD

ostree_boot_PROGRAMS += ostree-remount

else

# It is built anyway as a side-effect of having the symlink in tests/,

# and if we declare it here, it gets cleaned up properly

check_PROGRAMS += ostree-remount

endif

ostree_prepare_root_SOURCES = \

    src/switchroot/ostree-mount-util.h \

    src/switchroot/ostree-prepare-root.c \

    $(NULL)

ostree_prepare_root_CPPFLAGS = $(AM_CPPFLAGS)

if BUILDOPT_USE_STATIC_COMPILER

# ostree-prepare-root can be used as init in a system without a populated /lib.

# To support this use case we need to link statically as we will be unable to

# locate libc.so at run time if it's not installed in /lib.

#

# We support building ostree-prepare-root with a different compiler to the rest

# of ostree so we can use musl rather than glibc.  This reduces the size of the

# executable significantly: from ~700K -> ~30K.  We have to use _SCRIPTS here

# to get autotools to install this as an executable but without generating rules

# to make it itself which we have specified manually.  See

# https://lists.gnu.org/archive/html/help-gnu-utils/2007-01/msg00007.html

ostree_boot_SCRIPTS += ostree-prepare-root

ostree-prepare-root : $(ostree_prepare_root_SOURCES)

	$(STATIC_COMPILER) -o $@ -static $(top_srcdir)/src/switchroot/ostree-prepare-root.c $(ostree_prepare_root_CPPFLAGS) $(AM_CFLAGS) $(DEFAULT_INCLUDES) -DOSTREE_PREPARE_ROOT_STATIC=1

else

ostree_boot_PROGRAMS += ostree-prepare-root

ostree_prepare_root_CFLAGS = $(AM_CFLAGS) -Isrc/switchroot

endif

ostree_remount_SOURCES = \

    src/switchroot/ostree-mount-util.h \

    src/switchroot/ostree-remount.c \

    $(NULL)

ostree_remount_CPPFLAGS = $(AM_CPPFLAGS) $(OT_INTERNAL_GIO_UNIX_CFLAGS) -Isrc/switchroot -I$(srcdir)/libglnx

ostree_remount_LDADD = $(AM_LDFLAGS) $(OT_INTERNAL_GIO_UNIX_LIBS) libglnx.la

if BUILDOPT_SYSTEMD

ostree_prepare_root_CPPFLAGS += -DHAVE_SYSTEMD=1

ostree_prepare_root_LDADD = $(AM_LDFLAGS) $(LIBSYSTEMD_LIBS)

endif

# This is the "new mode" of using a generator for /var; see

# https://github.com/ostreedev/ostree/issues/855

if BUILDOPT_SYSTEMD_AND_LIBMOUNT

ostree_prepare_root_CPPFLAGS += -DHAVE_SYSTEMD_AND_LIBMOUNT=1

ostree_remount_CPPFLAGS += -DHAVE_SYSTEMD_AND_LIBMOUNT=1

systemdsystemgenerator_PROGRAMS = ostree-system-generator

GITIGNOREFILES += $(systemdsystemgenerator_PROGRAMS)

ostree_system_generator_SOURCES = src/switchroot/ostree-mount-util.h \

                                  src/switchroot/ostree-system-generator.c

ostree_system_generator_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/libglnx -I$(srcdir)/src/libostree

ostree_system_generator_CFLAGS = $(AM_CFLAGS) $(OT_INTERNAL_GIO_UNIX_CFLAGS)

ostree_system_generator_LDADD = $(AM_LDFLAGS) libglnx.la libostree-1.la $(OT_INTERNAL_GIO_UNIX_LIBS)

# Allow the distcheck install under $prefix test to pass

AM_DISTCHECK_CONFIGURE_FLAGS += --with-systemdsystemgeneratordir='$${libdir}/systemd/system-generators'

endif