ddc50431e6
This patch adds hooks for customizing the location of the configure script within the package, the build target, as well as the install step. This is useful for packages like tcl that deviate from the usual layout of source packages. Issue #2648
239 lines
7.0 KiB
Makefile
239 lines
7.0 KiB
Makefile
#
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# \brief Rules for building software that uses the GNU build tools
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# \author Norman Feske
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# \date 2011-02-02
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#
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# This file is meant to be included by 'target.mk' files. Instead of building
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# a normal Genode target, the 'target.mk' file will then trigger the build
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# of the contrib package specified with the 'PKG' variable. The build
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# consists to the following steps
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#
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# 1. Configuring the package by invoking the package's 'configure' script
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# with the arguments required for cross compiling the package for
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# Genode.
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# 2. Building the package by invoking the 'Makefile' generated by the
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# 'configure' script.
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#
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# Limitations
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# -----------
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#
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# In contrast to the Genode build system, library dependencies are not covered.
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# So if a library used by a package is changed, the package gets not relinked
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# automatically. In this case, 'make clean' must be invoked manually within the
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# build subdirectory of the package.
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#
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#
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# Use name of the directory hosting the 'target.mk' file as 'TARGET'
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# and 'PKG' by default.
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#
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TARGET ?= $(lastword $(subst /, ,$(PRG_DIR)))
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PKG ?= $(TARGET)
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#
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# Select how to make the build result available at Genode's 'INSTALL_DIR'.
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# By default, a single tar archive containing the results of the package's
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# 'make install' rule is created. By setting the 'INSTALL_TREE' variable
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# to a non-empty value, a symlink to the actual file tree is created.
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#
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# By default, the generated tar archive contains the entire content of the
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# package's install directory. The 'INSTALL_TAR_CONTENT' variable may be
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# overriden to manually specify only the parts of the content.
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#
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INSTALL_TREE ?=
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INSTALL_TAR_ARCHIVE ?= yes
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INSTALL_TAR_CONTENT ?= .
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LIBS += posix
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PWD = $(shell pwd)
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#
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# Detect missing preparation ofpackage
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#
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ifeq ($(PKG_DIR),)
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REQUIRES += prepare_$(PKG)
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endif
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#
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# Verbose build
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#
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ifeq ($(VERBOSE),)
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MAKE_VERBOSE = V=1
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CONFIGURE_VERBOSE =
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#
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# Non-verbose build
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#
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else
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MAKE_VERBOSE = -s
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CONFIGURE_VERBOSE = --quiet
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# filter for configure output of package
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CONFIGURE_OUTPUT_FILTER = > stdout.log 2> stderr.log ||\
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(echo "Error: configure script of $(PKG) failed" && \
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cat stderr.log && false)
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# filter for make output of package
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BUILD_OUTPUT_FILTER = 2>&1 | sed "s/^/ [$(PKG)] /"
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endif
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ifeq ($(findstring arm, $(SPECS)), arm)
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CONFIGURE_ARGS += --host arm-none-eabi
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else
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ifeq ($(findstring x86, $(SPECS)), x86)
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CONFIGURE_ARGS += --host x86_64-pc-elf
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endif
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endif
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CONFIGURE_ARGS += --srcdir=$(PKG_DIR)
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CONFIGURE_ARGS += --prefix /
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CONFIG_GUESS_SCRIPT = $(PKG_DIR)/config.guess
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ifneq ($(wildcard $(CONFIG_GUESS_SCRIPT)),)
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CONFIGURE_ARGS += --build $(shell $(CONFIG_GUESS_SCRIPT))
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else
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CONFIGURE_ARGS += --build x86-linux
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endif
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CONFIGURE_ARGS += $(CONFIGURE_VERBOSE)
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LDFLAGS += -nostdlib $(CXX_LINK_OPT) $(CC_MARCH) -Wl,-T$(LD_SCRIPT_DYN) \
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-Wl,-rpath-link=$(PWD) \
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-Wl,--dynamic-linker=$(DYNAMIC_LINKER).lib.so \
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-Wl,--eh-frame-hdr
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LIBTOOLFLAGS = --preserve-dup-deps
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LIBGCC = $(shell $(CC) $(CC_MARCH) -print-libgcc-file-name)
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CPPFLAGS += -nostdinc $(INCLUDES)
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CPPFLAGS += -D_GNU_SOURCE=1
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# flags to be used in both CFLAGS and CXXFLAGS
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COMMON_CFLAGS_CXXFLAGS += -ffunction-sections $(CC_OLEVEL) $(CC_MARCH)
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COMMON_CFLAGS_CXXFLAGS += -g
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CFLAGS += $(COMMON_CFLAGS_CXXFLAGS)
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CXXFLAGS += $(COMMON_CFLAGS_CXXFLAGS)
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#
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# We have to specify 'LINK_ITEMS' twice to resolve inter-library dependencies.
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# Unfortunately, the use of '--start-group' and '--end-group' does not suffice
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# in all cases because 'libtool' strips those arguments from the 'LIBS' variable.
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#
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LDLIBS_A = $(filter %.a, $(sort $(STATIC_LIBS)) $(EXT_OBJECTS) $(LIBGCC))
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LDLIBS_SO = $(addprefix $(PWD)/,$(sort $(SHARED_LIBS)))
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LDLIBS += $(LDLIBS_A) $(LDLIBS_SO) $(LDLIBS_A)
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#
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# By default, assume that there exists a 'configure' script in the top-level
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# of the package.
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#
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CONFIGURE_SCRIPT ?= $(PKG_DIR)/configure
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#
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# Re-configure the Makefile if the Genode build environment changes
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#
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Makefile reconfigure: $(MAKEFILE_LIST)
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#
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# Invoke configure script with the Genode environment
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#
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Makefile reconfigure: env.sh $(SHARED_LIBS)
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@$(MSG_CONFIG)$(TARGET)
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$(VERBOSE)source env.sh && $(CONFIGURE_SCRIPT) $(ENV) $(CONFIGURE_ARGS) $(CONFIGURE_OUTPUT_FILTER)
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env.sh:
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$(VERBOSE)rm -f $@
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$(VERBOSE)echo "export CC='$(CC)'" >> $@
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$(VERBOSE)echo "export CXX='$(CXX)'" >> $@
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$(VERBOSE)echo "export LD='$(LD)'" >> $@
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$(VERBOSE)echo "export AR='$(AR)'" >> $@
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$(VERBOSE)echo "export NM='$(NM)'" >> $@
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$(VERBOSE)echo "export RANLIB='$(RANLIB)'" >> $@
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$(VERBOSE)echo "export STRIP='$(STRIP)'" >> $@
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$(VERBOSE)echo "export CPPFLAGS='$(CPPFLAGS)'" >> $@
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$(VERBOSE)echo "export CFLAGS='$(CFLAGS)'" >> $@
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$(VERBOSE)echo "export CXXFLAGS='$(CXXFLAGS)'" >> $@
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$(VERBOSE)echo "export LDFLAGS='$(LDFLAGS)'" >> $@
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$(VERBOSE)echo "export LIBS='$(LDLIBS)'" >> $@
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$(VERBOSE)echo "export LIBTOOLFLAGS='$(LIBTOOLFLAGS)'" >> $@
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$(VERBOSE)echo "export PS1='<gnu_build>'" >> $@
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#
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# Invoke the 'Makefile' generated by the configure script
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#
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# The 'MAN=' argument prevent manual pages from being created. This would
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# produce an error when the package uses the 'help2man' tool. This tool
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# tries to extract the man page of a program by executing it with the
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# '--help' argument on the host. However, we cannot run Genode binaries
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# this way.
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#
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built.tag: env.sh Makefile
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@$(MSG_BUILD)$(TARGET)
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$(VERBOSE)source env.sh &&\
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$(MAKE) $(MAKE_ENV) $(MAKE_VERBOSE) $(MAKE_TARGET) MAN= \
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$(BUILD_OUTPUT_FILTER)
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@touch $@
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INSTALL_TARGET ?= install-strip
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#
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# Install result of the build in an 'install/' directory local to the target's
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# build directory. The default install step 'make install-strip' can be
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# customized by setting 'INSTALL_TARGET' to be empty. This is useful to
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# explicitly filter the installed content in the 'target.mk' file.
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#
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installed.tag: built.tag
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ifneq ($(INSTALL_TARGET),)
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installed.tag:
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@$(MSG_INST)$(TARGET)
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$(VERBOSE)source env.sh && $(MAKE) $(MAKE_ENV) $(MAKE_VERBOSE) $(INSTALL_TARGET) DESTDIR=$(PWD)/install MAN= >> stdout.log 2>> stderr.log
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@touch $@
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endif
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$(TARGET): installed.tag
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@touch $@
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#
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# Trigger creation of symlinks to the build results at '<build-dir>/bin/'
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#
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ifneq ($(INSTALL_TAR_ARCHIVE),)
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$(TARGET): installed_tar.tag
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endif
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ifneq ($(INSTALL_TREE),)
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$(TARGET): installed_tree.tag
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endif
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#
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# Install symlink to the install directory
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#
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installed_tree.tag: installed.tag
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$(VERBOSE)rm -f $(INSTALL_DIR)/$(TARGET)
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$(VERBOSE)ln -sf $(PWD)/install $(INSTALL_DIR)/$(TARGET)
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#
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# Install symlink to the archived install directory, ready to by mounted
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# via the VFS tar file system
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#
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installed_tar.tag: installed.tag
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$(VERBOSE)tar cf $(TARGET).tar -h -C $(PWD)/install $(INSTALL_TAR_CONTENT)
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$(VERBOSE)rm -f $(INSTALL_DIR)/$(TARGET)
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$(VERBOSE)ln -sf $(PWD)/$(TARGET).tar $(INSTALL_DIR)/$(TARGET).tar
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#
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# The clean rule is expected to be executed within the 3rd-party build
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# directory. The check should prevent serious damage if this condition
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# is violated (e.g., while working on the build system).
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#
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ifeq ($(notdir $(PWD)),$(notdir $(PRG_DIR)))
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clean_dir:
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$(VERBOSE)find $(PWD) -mindepth 1 -delete
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clean_prg_objects: clean_dir
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endif
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