1132718Skan# 2132718Skan# Device Tree Compiler 3132718Skan# 4132718Skan 5132718Skan# 6132718Skan# Version information will be constructed in this order: 7132718Skan# EXTRAVERSION might be "-rc", for example. 8132718Skan# LOCAL_VERSION is likely from command line. 9132718Skan# CONFIG_LOCALVERSION from some future config system. 10132718Skan# 11132718SkanVERSION = 1 12132718SkanPATCHLEVEL = 4 13132718SkanSUBLEVEL = 0 14132718SkanEXTRAVERSION = 15132718SkanLOCAL_VERSION = 16132718SkanCONFIG_LOCALVERSION = 17132718Skan 18132718SkanCPPFLAGS = -I libfdt -I . 19169689SkanWARNINGS = -Werror -Wall -Wpointer-arith -Wcast-qual -Wnested-externs \ 20169689Skan -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls 21132718SkanCFLAGS = -g -Os -fPIC -Werror $(WARNINGS) 22132718Skan 23132718SkanBISON = bison 24132718SkanLEX = flex 25132718Skan 26132718SkanINSTALL = /usr/bin/install 27132718SkanDESTDIR = 28132718SkanPREFIX = $(HOME) 29132718SkanBINDIR = $(PREFIX)/bin 30132718SkanLIBDIR = $(PREFIX)/lib 31132718SkanINCLUDEDIR = $(PREFIX)/include 32132718Skan 33132718SkanHOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 34132718Skan sed -e 's/\(cygwin\).*/cygwin/') 35132718Skan 36132718Skanifeq ($(HOSTOS),darwin) 37132718SkanSHAREDLIB_EXT=dylib 38132718SkanSHAREDLIB_LINK_OPTIONS=-dynamiclib -Wl,-install_name -Wl, 39132718Skanelse 40132718SkanSHAREDLIB_EXT=so 41132718SkanSHAREDLIB_LINK_OPTIONS=-shared -Wl,--version-script=$(LIBFDT_version) -Wl,-soname, 42132718Skanendif 43132718Skan 44132718Skan# 45132718Skan# Overall rules 46132718Skan# 47132718Skanifdef V 48132718SkanVECHO = : 49132718Skanelse 50132718SkanVECHO = echo " " 51132718SkanARFLAGS ?= rc 52132718Skan.SILENT: 53132718Skanendif 54132718Skan 55132718SkanNODEPTARGETS = clean 56132718Skanifeq ($(MAKECMDGOALS),) 57132718SkanDEPTARGETS = all 58132718Skanelse 59132718SkanDEPTARGETS = $(filter-out $(NODEPTARGETS),$(MAKECMDGOALS)) 60132718Skanendif 61132718Skan 62132718Skan# 63132718Skan# Rules for versioning 64132718Skan# 65132718Skan 66132718SkanDTC_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 67132718SkanVERSION_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) $(LIBFDT_archive) 198 199 200# 201# Testsuite rules 202# 203TESTS_PREFIX=tests/ 204 205TESTS_BIN += dtc 206TESTS_BIN += convert-dtsv0 207TESTS_BIN += fdtput 208TESTS_BIN += fdtget 209 210include tests/Makefile.tests 211 212# 213# Clean rules 214# 215STD_CLEANFILES = *~ *.o *.$(SHAREDLIB_EXT) *.d *.a *.i *.s core a.out vgcore.* \ 216 *.tab.[ch] *.lex.c *.output 217 218clean: libfdt_clean tests_clean 219 @$(VECHO) CLEAN 220 rm -f $(STD_CLEANFILES) 221 rm -f $(VERSION_FILE) 222 rm -f $(BIN) 223 224# 225# Generic compile rules 226# 227%: %.o 228 @$(VECHO) LD $@ 229 $(LINK.c) -o $@ $^ 230 231%.o: %.c 232 @$(VECHO) CC $@ 233 $(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $< 234 235%.o: %.S 236 @$(VECHO) AS $@ 237 $(CC) $(CPPFLAGS) $(AFLAGS) -D__ASSEMBLY__ -o $@ -c $< 238 239%.d: %.c 240 @$(VECHO) DEP $< 241 $(CC) $(CPPFLAGS) -MM -MG -MT "$*.o $@" $< > $@ 242 243%.d: %.S 244 @$(VECHO) DEP $< 245 $(CC) $(CPPFLAGS) -MM -MG -MT "$*.o $@" $< > $@ 246 247%.i: %.c 248 @$(VECHO) CPP $@ 249 $(CC) $(CPPFLAGS) -E $< > $@ 250 251%.s: %.c 252 @$(VECHO) CC -S $@ 253 $(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -S $< 254 255%.a: 256 @$(VECHO) AR $@ 257 $(AR) $(ARFLAGS) $@ $^ 258 259$(LIBFDT_lib): 260 @$(VECHO) LD $@ 261 $(CC) $(LDFLAGS) -fPIC $(SHAREDLIB_LINK_OPTIONS)$(LIBFDT_soname) -o $(LIBFDT_lib) $^ 262 263%.lex.c: %.l 264 @$(VECHO) LEX $@ 265 $(LEX) -o$@ $< 266 267%.tab.c %.tab.h %.output: %.y 268 @$(VECHO) BISON $@ 269 $(BISON) -d $< 270 271FORCE: 272