70 lines
1.7 KiB
Makefile
70 lines
1.7 KiB
Makefile
#
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# Utility for building L4 contrib packages
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#
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# Variables that steer the behaviour of this makefile:
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#
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# TARGET - name of target
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# PKGS - list of L4 packages to visit in order to create
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# the target
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#
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LIBS += platform
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ifeq ($(filter-out $(SPECS),x86_32),)
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L4_BUILD_ARCH := x86
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endif
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ifeq ($(filter-out $(SPECS),arm),)
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L4_BUILD_ARCH := arm
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endif
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ifeq ($(L4_BUILD_ARCH),)
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all: l4_build_arch_undefined
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$(VERBOSE)$(ECHO) "Error: L4_BUILD_ARCH undefined, architecture not supported"
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$(VERBOSE)false
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endif
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L4_PKG_DIR = $(L4_SRC_DIR)/l4/pkg
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STARTUP_LIB =
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PKG_TAGS = $(addsuffix .tag,$(PKGS))
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ifeq ($(VERBOSE),)
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L4_VERBOSE = V=1
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endif
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$(TARGET): $(PKG_TAGS)
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#
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# We preserve the order of processing 'l4/pkg/' directories because of
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# inter-package dependencies. However, within each directory, make is working
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# in parallel.
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#
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.NOTPARALLEL: $(PKG_TAGS)
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#
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# The '_GNU_SOURCE' definition is needed to convince uClibc to define the
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# 'off64_t' type, which is used by bootstrap.
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#
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%.tag:
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$(VERBOSE_MK) MAKEFLAGS= CPPFLAGS="$(CC_MARCH)" \
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CFLAGS="$(CC_MARCH)" CXXFLAGS="$(CC_MARCH) -D_GNU_SOURCE" \
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ASFLAGS="$(CC_MARCH)" LDFLAGS="$(LD_MARCH)" \
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$(MAKE) $(VERBOSE_DIR) O=$(L4_BUILD_DIR) $(L4_VERBOSE) \
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-C $(L4_PKG_DIR)/$* \
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CC="$(CROSS_DEV_PREFIX)gcc" \
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CXX="$(CROSS_DEV_PREFIX)g++" \
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LD="$(CROSS_DEV_PREFIX)ld"
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$(VERBOSE)mkdir -p $(dir $@) && touch $@
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clean cleanall: clean_tags
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# if (pseudo) target is named after a directory, remove the whole subtree
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clean_prg_objects: clean_dir_named_as_target
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clean_dir_named_as_target:
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$(VERBOSE)(test -d $(TARGET) && rm -rf $(TARGET)) || true
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clean_tags:
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$(VERBOSE)rm -f $(PKG_TAGS)
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