################################################################################
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#
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# aufs-util
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#
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################################################################################
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# linux-headers
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AUFS_UTIL_VERSION = $(call qstrip,$(BR2_PACKAGE_AUFS_UTIL_VERSION))
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AUFS_UTIL_SITE = http://git.code.sf.net/p/aufs/aufs-util
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AUFS_UTIL_SITE_METHOD = git
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AUFS_UTIL_LICENSE = GPL-2.0
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AUFS_UTIL_LICENSE_FILES = COPYING
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AUFS_UTIL_DEPENDENCIES = linux
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# Building aufs-util requires access to the kernel headers of aufs,
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# which are only available in the kernel build directory, which is why
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# we add -I$(LINUX_DIR)/include/uapi. These headers have not been
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# prepared for usage by userspace, so to workaround this we have to
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# defined the "__user" macro as empty.
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AUFS_UTIL_HOST_CPPFLAGS = \
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$(HOST_CPPFLAGS) \
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-I$(LINUX_DIR)/include/uapi \
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-D__user=
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AUFS_UTIL_CPPFLAGS = \
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$(TARGET_CPPFLAGS) \
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-I$(LINUX_DIR)/include/uapi \
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-D__user=
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# rdu64 is supposed to provide the LFS variant of readdir(),
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# readdir64(). However, because Buildroot is always LFS-enabled,
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# readdir() is always the LFS variant. Drop rdu64 from the build, as
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# it causes build failures due to multiple implementations of
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# readdir64().
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define AUFS_UTIL_REMOVE_RDU64
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$(SED) 's% rdu64.o%%' $(@D)/libau/Makefile
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endef
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AUFS_UTIL_POST_PATCH_HOOKS += AUFS_UTIL_REMOVE_RDU64
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# First, we build the host tools, needed to build the target tools.
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define AUFS_UTIL_BUILD_CMDS
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$(HOST_MAKE_ENV) $(MAKE) -C $(@D) \
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$(HOST_CONFIGURE_OPTS) \
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CPPFLAGS="$(AUFS_UTIL_HOST_CPPFLAGS)" \
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HOSTCC="$(HOSTCC)" HOSTLD="$(HOSTLD)" \
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INSTALL="$(INSTALL)" c2sh c2tmac
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$(TARGET_MAKE_ENV) $(MAKE1) -C $(@D) \
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$(TARGET_CONFIGURE_OPTS) \
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CPPFLAGS="$(AUFS_UTIL_CPPFLAGS)" \
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INSTALL="$(INSTALL)" all
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endef
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define AUFS_UTIL_INSTALL_TARGET_CMDS
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$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) INSTALL="$(INSTALL)" DESTDIR="$(TARGET_DIR)" install
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endef
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$(eval $(generic-package))
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