1# 2# Device Tree Compiler 3# 4 5# 6# Version information will be constructed in this order: 7# EXTRAVERSION might be "-rc", for example. 8# LOCAL_VERSION is likely from command line. 9# CONFIG_LOCALVERSION from some future config system. 10# 11VERSION = 1 12PATCHLEVEL = 4 13SUBLEVEL = 4 14EXTRAVERSION = 15LOCAL_VERSION = 16CONFIG_LOCALVERSION = 17 18CPPFLAGS = -I libfdt -I . 19WARNINGS = -Wall -Wpointer-arith -Wcast-qual -Wnested-externs \ 20 -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wshadow 21CFLAGS = -g -Os -fPIC -Werror $(WARNINGS) 22 23BISON = bison 24LEX = flex 25 26INSTALL = /usr/bin/install 27DESTDIR = 28PREFIX = $(HOME) 29BINDIR = $(PREFIX)/bin 30LIBDIR = $(PREFIX)/lib 31INCLUDEDIR = $(PREFIX)/include 32 33HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 34 sed -e 's/\(cygwin\).*/cygwin/') 35 36ifeq ($(HOSTOS),darwin) 37SHAREDLIB_EXT=dylib 38SHAREDLIB_LINK_OPTIONS=-dynamiclib -Wl,-install_name -Wl, 39else 40SHAREDLIB_EXT=so 41SHAREDLIB_LINK_OPTIONS=-shared -Wl,--version-script=$(LIBFDT_version) -Wl,-soname, 42endif 43 44# 45# Overall rules 46# 47ifdef V 48VECHO = : 49else 50VECHO = echo " " 51ARFLAGS = rc 52.SILENT: 53endif 54 55NODEPTARGETS = clean 56ifeq ($(MAKECMDGOALS),) 57DEPTARGETS = all 58else 59DEPTARGETS = $(filter-out $(NODEPTARGETS),$(MAKECMDGOALS)) 60endif 61 62# 63# Rules for versioning 64# 65 66DTC_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 67VERSION_FILE = version_gen.h 68 69CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 70 else if [ -x /bin/bash ]; then echo /bin/bash; \ 71 else echo sh; fi ; fi) 72 73nullstring := 74space := $(nullstring) # end of line 75 76localver_config = $(subst $(space),, $(string) \ 77 $(patsubst "%",%,$(CONFIG_LOCALVERSION))) 78 79localver_cmd = $(subst $(space),, $(string) \ 80 $(patsubst "%",%,$(LOCALVERSION))) 81 82localver_scm = $(shell $(CONFIG_SHELL) ./scripts/setlocalversion) 83localver_full = $(localver_config)$(localver_cmd)$(localver_scm) 84 85dtc_version = $(DTC_VERSION)$(localver_full) 86 87# Contents of the generated version file. 88define filechk_version 89 (echo "#define DTC_VERSION \"DTC $(dtc_version)\""; ) 90endef 91 92define filechk 93 set -e; \ 94 echo ' CHK $@'; \ 95 mkdir -p $(dir $@); \ 96 $(filechk_$(1)) < $< > $@.tmp; \ 97 if [ -r $@ ] && cmp -s $@ $@.tmp; then \ 98 rm -f $@.tmp; \ 99 else \ 100 echo ' UPD $@'; \ 101 mv -f $@.tmp $@; \ 102 fi; 103endef 104 105 106include Makefile.convert-dtsv0 107include Makefile.dtc 108include Makefile.utils 109 110BIN += convert-dtsv0 111BIN += dtc 112BIN += fdtdump 113BIN += fdtget 114BIN += fdtput 115 116SCRIPTS = dtdiff 117 118all: $(BIN) libfdt 119 120 121ifneq ($(DEPTARGETS),) 122-include $(DTC_OBJS:%.o=%.d) 123-include $(CONVERT_OBJS:%.o=%.d) 124-include $(FDTDUMP_OBJS:%.o=%.d) 125-include $(FDTGET_OBJS:%.o=%.d) 126-include $(FDTPUT_OBJS:%.o=%.d) 127endif 128 129 130 131# 132# Rules for libfdt 133# 134LIBFDT_objdir = libfdt 135LIBFDT_srcdir = libfdt 136LIBFDT_archive = $(LIBFDT_objdir)/libfdt.a 137LIBFDT_lib = $(LIBFDT_objdir)/libfdt-$(DTC_VERSION).$(SHAREDLIB_EXT) 138LIBFDT_include = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_INCLUDES)) 139LIBFDT_version = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_VERSION)) 140 141include $(LIBFDT_srcdir)/Makefile.libfdt 142 143.PHONY: libfdt 144libfdt: $(LIBFDT_archive) $(LIBFDT_lib) 145 146$(LIBFDT_archive): $(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS)) 147$(LIBFDT_lib): $(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS)) 148 149libfdt_clean: 150 @$(VECHO) CLEAN "(libfdt)" 151 rm -f $(addprefix $(LIBFDT_objdir)/,$(STD_CLEANFILES)) 152 rm -f $(LIBFDT_objdir)/*.so 153 154ifneq ($(DEPTARGETS),) 155-include $(LIBFDT_OBJS:%.o=$(LIBFDT_objdir)/%.d) 156endif 157 158# This stops make from generating the lex and bison output during 159# auto-dependency computation, but throwing them away as an 160# intermediate target and building them again "for real" 161.SECONDARY: $(DTC_GEN_SRCS) $(CONVERT_GEN_SRCS) 162 163install-bin: all $(SCRIPTS) 164 @$(VECHO) INSTALL-BIN 165 $(INSTALL) -d $(DESTDIR)$(BINDIR) 166 $(INSTALL) $(BIN) $(SCRIPTS) $(DESTDIR)$(BINDIR) 167 168install-lib: all 169 @$(VECHO) INSTALL-LIB 170 $(INSTALL) -d $(DESTDIR)$(LIBDIR) 171 $(INSTALL) $(LIBFDT_lib) $(DESTDIR)$(LIBDIR) 172 ln -sf $(notdir $(LIBFDT_lib)) $(DESTDIR)$(LIBDIR)/$(LIBFDT_soname) 173 ln -sf $(LIBFDT_soname) $(DESTDIR)$(LIBDIR)/libfdt.$(SHAREDLIB_EXT) 174 $(INSTALL) -m 644 $(LIBFDT_archive) $(DESTDIR)$(LIBDIR) 175 176install-includes: 177 @$(VECHO) INSTALL-INC 178 $(INSTALL) -d $(DESTDIR)$(INCLUDEDIR) 179 $(INSTALL) -m 644 $(LIBFDT_include) $(DESTDIR)$(INCLUDEDIR) 180 181install: install-bin install-lib install-includes 182 183$(VERSION_FILE): Makefile FORCE 184 $(call filechk,version) 185 186 187dtc: $(DTC_OBJS) 188 189convert-dtsv0: $(CONVERT_OBJS) 190 @$(VECHO) LD $@ 191 $(LINK.c) -o $@ $^ 192 193fdtdump: $(FDTDUMP_OBJS) 194 195fdtget: $(FDTGET_OBJS) $(LIBFDT_archive) 196 197fdtput: $(FDTPUT_OBJS) $(LIBFDT_archive) 198 199dist: 200 git archive --format=tar --prefix=dtc-$(dtc_version)/ HEAD \ 201 > ../dtc-$(dtc_version).tar 202 cat ../dtc-$(dtc_version).tar | \ 203 gzip -9 > ../dtc-$(dtc_version).tar.gz 204 205# 206# Release signing and uploading 207# This is for maintainer convenience, don't try this at home. 208# 209ifeq ($(MAINTAINER),y) 210GPG = gpg2 211KUP = kup 212KUPDIR = /pub/software/utils/dtc 213 214kup: dist 215 $(GPG) --detach-sign --armor -o ../dtc-$(dtc_version).tar.sign \ 216 ../dtc-$(dtc_version).tar 217 $(KUP) put ../dtc-$(dtc_version).tar.gz ../dtc-$(dtc_version).tar.sign \ 218 $(KUPDIR)/dtc-$(dtc_version).tar.gz 219endif 220 221tags: FORCE 222 rm -f tags 223 find . \( -name tests -type d -prune \) -o \ 224 \( ! -name '*.tab.[ch]' ! -name '*.lex.c' \ 225 -name '*.[chly]' -type f -print \) | xargs ctags -a 226 227# 228# Testsuite rules 229# 230TESTS_PREFIX=tests/ 231 232TESTS_BIN += dtc 233TESTS_BIN += convert-dtsv0 234TESTS_BIN += fdtput 235TESTS_BIN += fdtget 236TESTS_BIN += fdtdump 237 238include tests/Makefile.tests 239 240# 241# Clean rules 242# 243STD_CLEANFILES = *~ *.o *.$(SHAREDLIB_EXT) *.d *.a *.i *.s core a.out vgcore.* \ 244 *.tab.[ch] *.lex.c *.output 245 246clean: libfdt_clean tests_clean 247 @$(VECHO) CLEAN 248 rm -f $(STD_CLEANFILES) 249 rm -f $(VERSION_FILE) 250 rm -f $(BIN) 251 rm -f dtc-*.tar dtc-*.tar.sign dtc-*.tar.asc 252 253# 254# Generic compile rules 255# 256%: %.o 257 @$(VECHO) LD $@ 258 $(LINK.c) -o $@ $^ 259 260%.o: %.c 261 @$(VECHO) CC $@ 262 $(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $< 263 264%.o: %.S 265 @$(VECHO) AS $@ 266 $(CC) $(CPPFLAGS) $(AFLAGS) -D__ASSEMBLY__ -o $@ -c $< 267 268%.d: %.c 269 @$(VECHO) DEP $< 270 $(CC) $(CPPFLAGS) -MM -MG -MT "$*.o $@" $< > $@ 271 272%.d: %.S 273 @$(VECHO) DEP $< 274 $(CC) $(CPPFLAGS) -MM -MG -MT "$*.o $@" $< > $@ 275 276%.i: %.c 277 @$(VECHO) CPP $@ 278 $(CC) $(CPPFLAGS) -E $< > $@ 279 280%.s: %.c 281 @$(VECHO) CC -S $@ 282 $(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -S $< 283 284%.a: 285 @$(VECHO) AR $@ 286 $(AR) $(ARFLAGS) $@ $^ 287 288$(LIBFDT_lib): 289 @$(VECHO) LD $@ 290 $(CC) $(LDFLAGS) -fPIC $(SHAREDLIB_LINK_OPTIONS)$(LIBFDT_soname) -o $(LIBFDT_lib) $^ 291 292%.lex.c: %.l 293 @$(VECHO) LEX $@ 294 $(LEX) -o$@ $< 295 296%.tab.c %.tab.h %.output: %.y 297 @$(VECHO) BISON $@ 298 $(BISON) -d $< 299 300FORCE: 301