202 lines
6.7 KiB
Makefile
202 lines
6.7 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 'NOUX_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 noux package is changed, the noux package gets not
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# relinked automatically. In this case, 'make clean' must be invoked manually
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# within the build subdirectory of the noux 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 'NOUX_PKG' by default.
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#
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TARGET ?= $(lastword $(subst /, ,$(PRG_DIR)))
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NOUX_PKG ?= $(TARGET)
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LIBS += libc libm libc_noux
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NOUX_PKG_DIR ?= $(call select_from_ports,$(NOUX_PKG))/src/noux-pkg/$(NOUX_PKG)
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PWD = $(shell pwd)
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#
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# Detect missing preparation of noux package
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#
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ifeq ($(NOUX_PKG_DIR),)
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REQUIRES += prepare_$(NOUX_PKG)
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endif
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#
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# Verbose build
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#
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ifeq ($(VERBOSE),)
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NOUX_MAKE_VERBOSE = V=1
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NOUX_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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NOUX_MAKE_VERBOSE = -s
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NOUX_CONFIGURE_VERBOSE = --quiet
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# filter for configure output of noux package
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NOUX_CONFIGURE_OUTPUT_FILTER = > stdout.log 2> stderr.log ||\
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(echo "Error: configure script of $(NOUX_PKG) failed" && \
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cat stderr.log && false)
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# filter for make output of noux package
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NOUX_BUILD_OUTPUT_FILTER = 2>&1 | sed "s/^/ [$(NOUX_PKG)] /"
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endif
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ifeq ($(findstring arm, $(SPECS)), arm)
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NOUX_CONFIGURE_ARGS += --host arm-elf-eabi
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else
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ifeq ($(findstring x86, $(SPECS)), x86)
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NOUX_CONFIGURE_ARGS += --host x86_64-elf
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endif
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endif
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NOUX_CONFIGURE_ARGS += --srcdir=$(NOUX_PKG_DIR)
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NOUX_CONFIGURE_ARGS += --prefix /
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CONFIG_GUESS_SCRIPT = $(NOUX_PKG_DIR)/config.guess)
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ifneq ($(wildcard $(CONFIG_GUESS_SCRIPT)),)
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NOUX_CONFIGURE_ARGS += --build $(shell $(CONFIG_GUESS_SCRIPT))
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else
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NOUX_CONFIGURE_ARGS += --build x86-linux
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endif
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NOUX_CONFIGURE_ARGS += $(NOUX_CONFIGURE_VERBOSE)
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NOUX_LDFLAGS += -nostdlib $(CXX_LINK_OPT) $(CC_MARCH) -Wl,-T$(LD_SCRIPT_DYN) \
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-Wl,--dynamic-linker=$(DYNAMIC_LINKER).lib.so \
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-Wl,--eh-frame-hdr
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NOUX_LIBTOOLFLAGS = --preserve-dup-deps
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LIBGCC = $(shell $(CC) $(CC_MARCH) -print-libgcc-file-name)
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NOUX_CPPFLAGS += -nostdinc $(INCLUDES)
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NOUX_CPPFLAGS += -D_GNU_SOURCE=1
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NOUX_CPPFLAGS += $(CC_MARCH)
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NOUX_CFLAGS += -ffunction-sections $(CC_OLEVEL) -nostdlib $(NOUX_CPPFLAGS)
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NOUX_CFLAGS += -g
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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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NOUX_LIBS_A = $(filter %.a, $(sort $(LINK_ITEMS)) $(EXT_OBJECTS) $(LIBGCC))
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NOUX_LIBS_SO = $(filter %.so,$(sort $(LINK_ITEMS)) $(EXT_OBJECTS) $(LIBGCC))
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NOUX_LIBS += $(NOUX_LIBS_A) $(NOUX_LIBS_SO) $(NOUX_LIBS_A)
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NOUX_ENV += CC='$(CC)' CXX='$(CXX)' LD='$(LD)' AR='$(AR)' NM='$(NM)' RANLIB='$(RANLIB)' STRIP='$(STRIP)' LIBS='$(NOUX_LIBS)' \
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LDFLAGS='$(NOUX_LDFLAGS)' CFLAGS='$(NOUX_CFLAGS)' \
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CPPFLAGS='$(NOUX_CPPFLAGS)' CXXFLAGS='$(NOUX_CXXFLAGS)'
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NOUX_ENV += CC_FOR_BUILD=gcc LD_FOR_BUILD=ld \
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CFLAGS_FOR_BUILD='$(NOUX_CFLAGS_FOR_BUILD)' \
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CPPFLAGS_FOR_BUILD='' LDFLAGS_FOR_BUILD=''
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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: $(MAKEFILE_LIST)
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#
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# Invoke configure script with the Genode environment
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#
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Makefile reconfigure: noux_env.sh
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@$(MSG_CONFIG)$(TARGET)
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$(VERBOSE)source noux_env.sh && $(NOUX_PKG_DIR)/configure $(NOUX_ENV) $(NOUX_CONFIGURE_ARGS) $(NOUX_CONFIGURE_OUTPUT_FILTER)
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noux_env.sh:
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$(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='$(NOUX_CPPFLAGS)'" >> $@
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$(VERBOSE)echo "export CFLAGS='$(NOUX_CFLAGS)'" >> $@
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$(VERBOSE)echo "export CXXFLAGS='$(NOUX_CXXFLAGS)'" >> $@
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$(VERBOSE)echo "export LDFLAGS='$(NOUX_LDFLAGS)'" >> $@
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$(VERBOSE)echo "export LIBS='$(NOUX_LIBS)'" >> $@
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$(VERBOSE)echo "export CC_FOR_TARGET='$(CC)'" >> $@
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$(VERBOSE)echo "export CXX_FOR_TARGET='$(CXX)'" >> $@
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$(VERBOSE)echo "export GCC_FOR_TARGET='$(CC)'" >> $@
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$(VERBOSE)echo "export LD_FOR_TARGET='$(LD)'" >> $@
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$(VERBOSE)echo "export AS_FOR_TARGET='$(AS)'" >> $@
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$(VERBOSE)echo "export AR_FOR_TARGET='$(AR)'" >> $@
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$(VERBOSE)echo "export LDFLAGS_FOR_TARGET='$(NOUX_LDFLAGS)'" >> $@
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$(VERBOSE)echo "export LIBS_FOR_TARGET='$(NOUX_LIBS)'" >> $@
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$(VERBOSE)echo "export CFLAGS_FOR_BUILD='$(NOUX_CFLAGS_FOR_BUILD)'" >> $@
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$(VERBOSE)echo "export CPPFLAGS_FOR_BUILD=''" >> $@
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$(VERBOSE)echo "export LDFLAGS_FOR_BUILD=''" >> $@
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$(VERBOSE)echo "export LIBS_FOR_BUILD=''" >> $@
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$(VERBOSE)echo "export LIBTOOLFLAGS='$(NOUX_LIBTOOLFLAGS)'" >> $@
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$(VERBOSE)echo "export PS1='<noux>'" >> $@
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#
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# Invoke the 'Makefile' generated by the configure script
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#
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# The 'MAN=' argument prevent manual pages from being created. This would
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# produce an error when the package uses the 'help2man' tool. This tool
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# tries to extract the man page of a program by executing it with the
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# '--help' argument on the host. However, we cannot run Genode binaries
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# this way.
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#
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noux_built.tag: noux_env.sh Makefile
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@$(MSG_BUILD)$(TARGET)
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$(VERBOSE)source noux_env.sh && $(MAKE) $(NOUX_MAKE_ENV) $(NOUX_MAKE_VERBOSE) MAN= $(NOUX_BUILD_OUTPUT_FILTER)
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@touch $@
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NOUX_INSTALL_TARGET ?= install-strip
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noux_installed.tag: noux_built.tag
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@$(MSG_INST)$(TARGET)
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$(VERBOSE)source noux_env.sh && $(MAKE) $(NOUX_MAKE_ENV) $(NOUX_MAKE_VERBOSE) $(NOUX_INSTALL_TARGET) DESTDIR=$(PWD)/install MAN= >> stdout.log 2>> stderr.log
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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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@touch $@
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$(TARGET): noux_installed.tag
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@touch $@
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#
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# The clean rule is expected to be executed within the 3rd-party build
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# directory. The check should prevent serious damage if this condition
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# is violated (e.g., while working on the build system).
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#
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ifeq ($(notdir $(PWD)),$(notdir $(PRG_DIR)))
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clean_noux_build_dir:
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$(VERBOSE)rm -rf $(PWD)
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clean_prg_objects: clean_noux_build_dir
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endif
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