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81 lines
3.6 KiB
Plaintext
81 lines
3.6 KiB
Plaintext
# Copyright (C) 2011 Colin Walters <walters@verbum.org>
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#
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# SPDX-License-Identifier: LGPL-2.0+
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library. If not, see <https://www.gnu.org/licenses/>.
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if BUILDOPT_SYSTEMD
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ostree_boot_PROGRAMS += ostree-remount
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else
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# It is built anyway as a side-effect of having the symlink in tests/,
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# and if we declare it here, it gets cleaned up properly
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check_PROGRAMS += ostree-remount
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endif
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ostree_prepare_root_SOURCES = \
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src/switchroot/ostree-mount-util.h \
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src/switchroot/ostree-prepare-root.c \
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$(NULL)
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ostree_prepare_root_CPPFLAGS = $(AM_CPPFLAGS)
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if BUILDOPT_USE_STATIC_COMPILER
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# ostree-prepare-root can be used as init in a system without a populated /lib.
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# To support this use case we need to link statically as we will be unable to
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# locate libc.so at run time if it's not installed in /lib.
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#
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# We support building ostree-prepare-root with a different compiler to the rest
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# of ostree so we can use musl rather than glibc. This reduces the size of the
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# executable significantly: from ~700K -> ~30K. We have to use _SCRIPTS here
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# to get autotools to install this as an executable but without generating rules
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# to make it itself which we have specified manually. See
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# https://lists.gnu.org/archive/html/help-gnu-utils/2007-01/msg00007.html
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ostree_boot_SCRIPTS += ostree-prepare-root
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ostree-prepare-root : $(ostree_prepare_root_SOURCES)
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$(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
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else
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ostree_boot_PROGRAMS += ostree-prepare-root
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ostree_prepare_root_CFLAGS = $(AM_CFLAGS) -Isrc/switchroot
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endif
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ostree_remount_SOURCES = \
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src/switchroot/ostree-mount-util.h \
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src/switchroot/ostree-remount.c \
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$(NULL)
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ostree_remount_CPPFLAGS = $(AM_CPPFLAGS) $(OT_INTERNAL_GIO_UNIX_CFLAGS) -Isrc/switchroot -I$(srcdir)/libglnx
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ostree_remount_LDADD = $(AM_LDFLAGS) $(OT_INTERNAL_GIO_UNIX_LIBS) libglnx.la
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if BUILDOPT_SYSTEMD
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ostree_prepare_root_CPPFLAGS += -DHAVE_SYSTEMD=1
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ostree_prepare_root_LDADD = $(AM_LDFLAGS) $(LIBSYSTEMD_LIBS)
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endif
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# This is the "new mode" of using a generator for /var; see
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# https://github.com/ostreedev/ostree/issues/855
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if BUILDOPT_SYSTEMD_AND_LIBMOUNT
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ostree_prepare_root_CPPFLAGS += -DHAVE_SYSTEMD_AND_LIBMOUNT=1
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ostree_remount_CPPFLAGS += -DHAVE_SYSTEMD_AND_LIBMOUNT=1
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systemdsystemgenerator_PROGRAMS = ostree-system-generator
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GITIGNOREFILES += $(systemdsystemgenerator_PROGRAMS)
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ostree_system_generator_SOURCES = src/switchroot/ostree-mount-util.h \
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src/switchroot/ostree-system-generator.c
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ostree_system_generator_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/libglnx -I$(srcdir)/src/libostree
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ostree_system_generator_CFLAGS = $(AM_CFLAGS) $(OT_INTERNAL_GIO_UNIX_CFLAGS)
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ostree_system_generator_LDADD = $(AM_LDFLAGS) libglnx.la libostree-1.la $(OT_INTERNAL_GIO_UNIX_LIBS)
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# Allow the distcheck install under $prefix test to pass
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AM_DISTCHECK_CONFIGURE_FLAGS += --with-systemdsystemgeneratordir='$${libdir}/systemd/system-generators'
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endif
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