263 lines
5.5 KiB
Makefile
263 lines
5.5 KiB
Makefile
#
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# Device Tree Compiler
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#
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#
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# Version information will be constructed in this order:
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# EXTRAVERSION might be "-rc", for example.
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# LOCAL_VERSION is likely from command line.
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# CONFIG_LOCALVERSION from some future config system.
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#
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VERSION = 1
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PATCHLEVEL = 3
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SUBLEVEL = 0
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EXTRAVERSION =
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LOCAL_VERSION =
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CONFIG_LOCALVERSION =
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CPPFLAGS = -I libfdt -I .
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WARNINGS = -Werror -Wall -Wpointer-arith -Wcast-qual -Wnested-externs \
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-Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls
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CFLAGS = -g -Os -fPIC -Werror $(WARNINGS)
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BISON = bison
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LEX = flex
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INSTALL = /usr/bin/install
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DESTDIR =
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PREFIX = $(HOME)
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BINDIR = $(PREFIX)/bin
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LIBDIR = $(PREFIX)/lib
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INCLUDEDIR = $(PREFIX)/include
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HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
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sed -e 's/\(cygwin\).*/cygwin/')
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ifeq ($(HOSTOS),darwin)
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SHAREDLIB_EXT=dylib
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SHAREDLIB_LINK_OPTIONS=-dynamiclib -Wl,-install_name -Wl,
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else
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SHAREDLIB_EXT=so
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SHAREDLIB_LINK_OPTIONS=-shared -Wl,--version-script=$(LIBFDT_version) -Wl,-soname,
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endif
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#
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# Overall rules
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#
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ifdef V
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VECHO = :
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else
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VECHO = echo " "
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ARFLAGS = rc
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.SILENT:
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endif
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NODEPTARGETS = clean
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ifeq ($(MAKECMDGOALS),)
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DEPTARGETS = all
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else
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DEPTARGETS = $(filter-out $(NODEPTARGETS),$(MAKECMDGOALS))
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endif
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#
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# Rules for versioning
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#
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DTC_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
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VERSION_FILE = version_gen.h
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CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
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else if [ -x /bin/bash ]; then echo /bin/bash; \
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else echo sh; fi ; fi)
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nullstring :=
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space := $(nullstring) # end of line
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localver_config = $(subst $(space),, $(string) \
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$(patsubst "%",%,$(CONFIG_LOCALVERSION)))
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localver_cmd = $(subst $(space),, $(string) \
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$(patsubst "%",%,$(LOCALVERSION)))
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localver_scm = $(shell $(CONFIG_SHELL) ./scripts/setlocalversion)
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localver_full = $(localver_config)$(localver_cmd)$(localver_scm)
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dtc_version = $(DTC_VERSION)$(localver_full)
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# Contents of the generated version file.
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define filechk_version
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(echo "#define DTC_VERSION \"DTC $(dtc_version)\""; )
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endef
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define filechk
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set -e; \
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echo ' CHK $@'; \
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mkdir -p $(dir $@); \
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$(filechk_$(1)) < $< > $@.tmp; \
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if [ -r $@ ] && cmp -s $@ $@.tmp; then \
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rm -f $@.tmp; \
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else \
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echo ' UPD $@'; \
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mv -f $@.tmp $@; \
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fi;
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endef
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include Makefile.convert-dtsv0
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include Makefile.dtc
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include Makefile.utils
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BIN += convert-dtsv0
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BIN += dtc
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BIN += fdtdump
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BIN += fdtget
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BIN += fdtput
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SCRIPTS = dtdiff
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all: $(BIN) libfdt
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ifneq ($(DEPTARGETS),)
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-include $(DTC_OBJS:%.o=%.d)
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-include $(CONVERT_OBJS:%.o=%.d)
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-include $(FDTDUMP_OBJS:%.o=%.d)
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-include $(FDTGET_OBJS:%.o=%.d)
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-include $(FDTPUT_OBJS:%.o=%.d)
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endif
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#
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# Rules for libfdt
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#
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LIBFDT_objdir = libfdt
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LIBFDT_srcdir = libfdt
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LIBFDT_archive = $(LIBFDT_objdir)/libfdt.a
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LIBFDT_lib = $(LIBFDT_objdir)/libfdt-$(DTC_VERSION).$(SHAREDLIB_EXT)
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LIBFDT_include = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_INCLUDES))
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LIBFDT_version = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_VERSION))
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include $(LIBFDT_srcdir)/Makefile.libfdt
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.PHONY: libfdt
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libfdt: $(LIBFDT_archive) $(LIBFDT_lib)
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$(LIBFDT_archive): $(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS))
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$(LIBFDT_lib): $(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS))
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libfdt_clean:
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@$(VECHO) CLEAN "(libfdt)"
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rm -f $(addprefix $(LIBFDT_objdir)/,$(STD_CLEANFILES))
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rm -f $(LIBFDT_objdir)/*.so
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ifneq ($(DEPTARGETS),)
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-include $(LIBFDT_OBJS:%.o=$(LIBFDT_objdir)/%.d)
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endif
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# This stops make from generating the lex and bison output during
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# auto-dependency computation, but throwing them away as an
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# intermediate target and building them again "for real"
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.SECONDARY: $(DTC_GEN_SRCS) $(CONVERT_GEN_SRCS)
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install: all $(SCRIPTS)
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@$(VECHO) INSTALL
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$(INSTALL) -d $(DESTDIR)$(BINDIR)
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$(INSTALL) $(BIN) $(SCRIPTS) $(DESTDIR)$(BINDIR)
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$(INSTALL) -d $(DESTDIR)$(LIBDIR)
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$(INSTALL) $(LIBFDT_lib) $(DESTDIR)$(LIBDIR)
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ln -sf $(notdir $(LIBFDT_lib)) $(DESTDIR)$(LIBDIR)/$(LIBFDT_soname)
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ln -sf $(LIBFDT_soname) $(DESTDIR)$(LIBDIR)/libfdt.$(SHAREDLIB_EXT)
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$(INSTALL) -m 644 $(LIBFDT_archive) $(DESTDIR)$(LIBDIR)
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$(INSTALL) -d $(DESTDIR)$(INCLUDEDIR)
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$(INSTALL) -m 644 $(LIBFDT_include) $(DESTDIR)$(INCLUDEDIR)
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$(VERSION_FILE): Makefile FORCE
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$(call filechk,version)
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dtc: $(DTC_OBJS)
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convert-dtsv0: $(CONVERT_OBJS)
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@$(VECHO) LD $@
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$(LINK.c) -o $@ $^
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fdtdump: $(FDTDUMP_OBJS)
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fdtget: $(FDTGET_OBJS) $(LIBFDT_archive)
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fdtput: $(FDTPUT_OBJS) $(LIBFDT_archive)
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#
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# Testsuite rules
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#
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TESTS_PREFIX=tests/
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TESTS_BIN += dtc
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TESTS_BIN += convert-dtsv0
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TESTS_BIN += fdtput
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TESTS_BIN += fdtget
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include tests/Makefile.tests
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#
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# Clean rules
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#
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STD_CLEANFILES = *~ *.o *.$(SHAREDLIB_EXT) *.d *.a *.i *.s core a.out vgcore.* \
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*.tab.[ch] *.lex.c *.output
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clean: libfdt_clean tests_clean
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@$(VECHO) CLEAN
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rm -f $(STD_CLEANFILES)
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rm -f $(VERSION_FILE)
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rm -f $(BIN)
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#
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# Generic compile rules
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#
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%: %.o
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@$(VECHO) LD $@
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$(LINK.c) -o $@ $^
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%.o: %.c
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@$(VECHO) CC $@
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$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $<
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%.o: %.S
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@$(VECHO) AS $@
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$(CC) $(CPPFLAGS) $(AFLAGS) -D__ASSEMBLY__ -o $@ -c $<
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%.d: %.c
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@$(VECHO) DEP $<
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$(CC) $(CPPFLAGS) -MM -MG -MT "$*.o $@" $< > $@
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%.d: %.S
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@$(VECHO) DEP $<
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$(CC) $(CPPFLAGS) -MM -MG -MT "$*.o $@" $< > $@
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%.i: %.c
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@$(VECHO) CPP $@
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$(CC) $(CPPFLAGS) -E $< > $@
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%.s: %.c
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@$(VECHO) CC -S $@
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$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -S $<
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%.a:
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@$(VECHO) AR $@
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$(AR) $(ARFLAGS) $@ $^
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$(LIBFDT_lib):
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@$(VECHO) LD $@
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$(CC) $(LDFLAGS) -fPIC $(SHAREDLIB_LINK_OPTIONS)$(LIBFDT_soname) -o $(LIBFDT_lib) $^
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%.lex.c: %.l
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@$(VECHO) LEX $@
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$(LEX) -o$@ $<
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%.tab.c %.tab.h %.output: %.y
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@$(VECHO) BISON $@
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$(BISON) -d $<
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FORCE:
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