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#
# Device Tree Compiler
#
#
# Version information will be constructed in this order:
# EXTRAVERSION might be "-rc", for example.
# LOCAL_VERSION is likely from command line.
# CONFIG_LOCALVERSION from some future config system.
#
VERSION = 1
PATCHLEVEL = 2
SUBLEVEL = 0
EXTRAVERSION =
LOCAL_VERSION =
CONFIG_LOCALVERSION =
CPPFLAGS = -I libfdt
CFLAGS = -Wall -g -Os -Wpointer-arith -Wcast-qual
BISON = bison
LEX = flex
INSTALL = /usr/bin/install
DESTDIR =
PREFIX = $(HOME)
BINDIR = $(PREFIX)/bin
LIBDIR = $(PREFIX)/lib
INCLUDEDIR = $(PREFIX)/include
#
# Overall rules
#
ifdef V
VECHO = :
else
VECHO = echo " "
ARFLAGS = rc
.SILENT:
endif
NODEPTARGETS = clean
ifeq ($(MAKECMDGOALS),)
DEPTARGETS = all
else
DEPTARGETS = $(filter-out $(NODEPTARGETS),$(MAKECMDGOALS))
endif
all: dtc ftdump convert-dtsv0 libfdt
install: all
@$(VECHO) INSTALL
$(INSTALL) -d $(DESTDIR)$(BINDIR)
$(INSTALL) -m 755 dtc $(DESTDIR)$(BINDIR)
$(INSTALL) -d $(DESTDIR)$(LIBDIR)
$(INSTALL) -m 644 $(LIBFDT_lib) $(DESTDIR)$(LIBDIR)
$(INSTALL) -d $(DESTDIR)$(INCLUDEDIR)
$(INSTALL) -m 644 $(LIBFDT_include) $(DESTDIR)$(INCLUDEDIR)
#
# Rules for versioning
#
DTC_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
VERSION_FILE = version_gen.h
CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
else if [ -x /bin/bash ]; then echo /bin/bash; \
else echo sh; fi ; fi)
nullstring :=
space := $(nullstring) # end of line
localver_config = $(subst $(space),, $(string) \
$(patsubst "%",%,$(CONFIG_LOCALVERSION)))
localver_cmd = $(subst $(space),, $(string) \
$(patsubst "%",%,$(LOCALVERSION)))
localver_scm = $(shell $(CONFIG_SHELL) ./scripts/setlocalversion)
localver_full = $(localver_config)$(localver_cmd)$(localver_scm)
dtc_version = $(DTC_VERSION)$(localver_full)
# Contents of the generated version file.
define filechk_version
(echo "#define DTC_VERSION \"DTC $(dtc_version)\""; )
endef
define filechk
set -e; \
echo ' CHK $@'; \
mkdir -p $(dir $@); \
$(filechk_$(1)) < $< > $@.tmp; \
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
rm -f $@.tmp; \
else \
echo ' UPD $@'; \
mv -f $@.tmp $@; \
fi;
endef
$(VERSION_FILE): Makefile FORCE
$(call filechk,version)
#
# Rules for dtc proper
#
include Makefile.dtc
BIN += dtc
# This stops make from generating the lex and bison output during
# auto-dependency computation, but throwing them away as an
# intermediate target and building them again "for real"
.SECONDARY: $(DTC_GEN_SRCS)
dtc: $(DTC_OBJS)
ifneq ($(DEPTARGETS),)
-include $(DTC_OBJS:%.o=%.d)
endif
#
# Rules for ftdump & convert-dtsv0
#
BIN += ftdump convert-dtsv0
ftdump: ftdump.o
convert-dtsv0: convert-dtsv0-lexer.lex.o srcpos.o
@$(VECHO) LD $@
$(LINK.c) -o $@ $^
ifneq ($(DEPTARGETS),)
-include ftdump.d
endif
#
# Rules for libfdt
#
LIBFDT_objdir = libfdt
LIBFDT_srcdir = libfdt
LIBFDT_lib = $(LIBFDT_objdir)/libfdt.a
LIBFDT_include = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_INCLUDES))
include $(LIBFDT_srcdir)/Makefile.libfdt
.PHONY: libfdt
libfdt: $(LIBFDT_lib)
$(LIBFDT_lib): $(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS))
libfdt_clean:
@$(VECHO) CLEAN "(libfdt)"
rm -f $(addprefix $(LIBFDT_objdir)/,$(STD_CLEANFILES))
ifneq ($(DEPTARGETS),)
-include $(LIBFDT_OBJS:%.o=$(LIBFDT_objdir)/%.d)
endif
#
# Testsuite rules
#
TESTS_PREFIX=tests/
include tests/Makefile.tests
#
# Clean rules
#
STD_CLEANFILES = *~ *.o *.d *.a *.i *.s core a.out vgcore.* \
*.tab.[ch] *.lex.c *.output
clean: libfdt_clean tests_clean
@$(VECHO) CLEAN
rm -f $(STD_CLEANFILES)
rm -f $(VERSION_FILE)
rm -f $(BIN)
#
# Generic compile rules
#
%: %.o
@$(VECHO) LD $@
$(LINK.c) -o $@ $^
%.o: %.c
@$(VECHO) CC $@
$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $<
%.o: %.S
@$(VECHO) AS $@
$(CC) $(CPPFLAGS) $(AFLAGS) -D__ASSEMBLY__ -o $@ -c $<
%.d: %.c
@$(VECHO) DEP $<
$(CC) $(CPPFLAGS) -MM -MG -MT "$*.o $@" $< > $@
%.d: %.S
@$(VECHO) DEP $<
$(CC) $(CPPFLAGS) -MM -MG -MT "$*.o $@" $< > $@
%.i: %.c
@$(VECHO) CPP $@
$(CC) $(CPPFLAGS) -E $< > $@
%.s: %.c
@$(VECHO) CC -S $@
$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -S $<
%.a:
@$(VECHO) AR $@
$(AR) $(ARFLAGS) $@ $^
%.lex.c: %.l
@$(VECHO) LEX $@
$(LEX) -o$@ $<
%.tab.c %.tab.h %.output: %.y
@$(VECHO) BISON $@
$(BISON) -d $<
FORCE:
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