| # SPDX-License-Identifier: GPL-2.0-or-later |
| # |
| # Device Tree Compiler |
| # |
| |
| # |
| # Version information will be constructed in this order: |
| # DTC_VERSION release version as MAJOR.MINOR.PATCH |
| # LOCAL_VERSION is likely from command line. |
| # CONFIG_LOCALVERSION from some future config system. |
| # |
| DTC_VERSION = $(shell cat VERSION.txt) |
| LOCAL_VERSION = |
| CONFIG_LOCALVERSION = |
| |
| # Control the assumptions made (e.g. risking security issues) in the code. |
| # See libfdt_internal.h for details |
| ASSUME_MASK ?= 0 |
| |
| CPPFLAGS = -I libfdt -I . -DFDT_ASSUME_MASK=$(ASSUME_MASK) |
| WARNINGS = -Wall -Wpointer-arith -Wcast-qual -Wnested-externs -Wsign-compare \ |
| -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wshadow \ |
| -Wsuggest-attribute=format -Wwrite-strings |
| CFLAGS = -g -Os $(SHAREDLIB_CFLAGS) -Werror $(WARNINGS) $(EXTRA_CFLAGS) |
| |
| BISON = bison |
| LEX = flex |
| SWIG = swig |
| PKG_CONFIG ?= pkg-config |
| PYTHON ?= python3 |
| |
| INSTALL = /usr/bin/install |
| INSTALL_PROGRAM = $(INSTALL) |
| INSTALL_LIB = $(INSTALL) |
| INSTALL_DATA = $(INSTALL) -m 644 |
| INSTALL_SCRIPT = $(INSTALL) |
| DESTDIR = |
| PREFIX = $(HOME) |
| BINDIR = $(PREFIX)/bin |
| LIBDIR = $(PREFIX)/lib |
| INCLUDEDIR = $(PREFIX)/include |
| |
| HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ |
| sed -e 's/\(cygwin\|msys\).*/\1/') |
| |
| NO_PYTHON ?= 0 |
| |
| NO_VALGRIND := $(shell $(PKG_CONFIG) --exists valgrind; echo $$?) |
| ifeq ($(NO_VALGRIND),1) |
| CPPFLAGS += -DNO_VALGRIND |
| else |
| CFLAGS += $(shell $(PKG_CONFIG) --cflags valgrind) |
| endif |
| |
| # libyaml before version 0.2.3 expects non-const string parameters. Supporting |
| # both variants would require either cpp magic or passing |
| # -Wno-error=discarded-qualifiers to the compiler. For the sake of simplicity |
| # just support libyaml >= 0.2.3. |
| NO_YAML := $(shell $(PKG_CONFIG) --atleast-version 0.2.3 yaml-0.1; echo $$?) |
| ifeq ($(NO_YAML),1) |
| CFLAGS += -DNO_YAML |
| else |
| LDLIBS_dtc += $(shell $(PKG_CONFIG) --libs yaml-0.1) |
| CFLAGS += $(shell $(PKG_CONFIG) --cflags yaml-0.1) |
| endif |
| |
| ifeq ($(HOSTOS),darwin) |
| SHAREDLIB_EXT = dylib |
| SHAREDLIB_CFLAGS = -fPIC |
| SHAREDLIB_LDFLAGS = -fPIC -dynamiclib -Wl,-install_name -Wl, |
| else ifeq ($(HOSTOS),$(filter $(HOSTOS),msys cygwin)) |
| SHAREDLIB_EXT = so |
| SHAREDLIB_CFLAGS = |
| SHAREDLIB_LDFLAGS = -shared -Wl,--version-script=$(LIBFDT_version) -Wl,-soname, |
| else |
| SHAREDLIB_EXT = so |
| SHAREDLIB_CFLAGS = -fPIC |
| SHAREDLIB_LDFLAGS = -fPIC -shared -Wl,--version-script=$(LIBFDT_version) -Wl,-soname, |
| endif |
| |
| # |
| # Overall rules |
| # |
| ifdef V |
| VECHO = : |
| else |
| VECHO = echo " " |
| ARFLAGS = rc |
| .SILENT: |
| endif |
| |
| NODEPTARGETS = clean |
| ifeq ($(MAKECMDGOALS),) |
| DEPTARGETS = all |
| else |
| DEPTARGETS = $(filter-out $(NODEPTARGETS),$(MAKECMDGOALS)) |
| endif |
| |
| # |
| # Rules for versioning |
| # |
| |
| 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 |
| |
| |
| include Makefile.convert-dtsv0 |
| include Makefile.dtc |
| include Makefile.utils |
| |
| BIN += convert-dtsv0 |
| BIN += dtc |
| BIN += fdtdump |
| BIN += fdtget |
| BIN += fdtput |
| BIN += fdtoverlay |
| |
| SCRIPTS = dtdiff |
| |
| all: $(BIN) libfdt |
| |
| # We need both Python and swig to build/install pylibfdt. |
| # This builds the given make ${target} if those deps are found. |
| check_python_deps = \ |
| if $(PKG_CONFIG) --cflags $(PYTHON) >/dev/null 2>&1; then \ |
| if which swig >/dev/null 2>&1; then \ |
| can_build=yes; \ |
| fi; \ |
| fi; \ |
| if [ "$${can_build}" = "yes" ]; then \ |
| $(MAKE) $${target}; \ |
| else \ |
| echo "\#\# Skipping pylibfdt (install python dev and swig to build)"; \ |
| fi ; |
| |
| .PHONY: maybe_pylibfdt |
| maybe_pylibfdt: FORCE |
| target=pylibfdt; $(check_python_deps) |
| |
| ifeq ($(NO_PYTHON),0) |
| all: maybe_pylibfdt |
| endif |
| |
| |
| ifneq ($(DEPTARGETS),) |
| ifneq ($(MAKECMDGOALS),libfdt) |
| -include $(DTC_OBJS:%.o=%.d) |
| -include $(CONVERT_OBJS:%.o=%.d) |
| -include $(FDTDUMP_OBJS:%.o=%.d) |
| -include $(FDTGET_OBJS:%.o=%.d) |
| -include $(FDTPUT_OBJS:%.o=%.d) |
| -include $(FDTOVERLAY_OBJS:%.o=%.d) |
| endif |
| endif |
| |
| |
| |
| # |
| # Rules for libfdt |
| # |
| LIBFDT_dir = libfdt |
| LIBFDT_archive = $(LIBFDT_dir)/libfdt.a |
| LIBFDT_lib = $(LIBFDT_dir)/$(LIBFDT_LIB) |
| LIBFDT_include = $(addprefix $(LIBFDT_dir)/,$(LIBFDT_INCLUDES)) |
| LIBFDT_version = $(addprefix $(LIBFDT_dir)/,$(LIBFDT_VERSION)) |
| |
| ifeq ($(STATIC_BUILD),1) |
| CFLAGS += -static |
| LIBFDT_dep = $(LIBFDT_archive) |
| else |
| LIBFDT_dep = $(LIBFDT_lib) |
| endif |
| |
| include $(LIBFDT_dir)/Makefile.libfdt |
| |
| .PHONY: libfdt |
| libfdt: $(LIBFDT_archive) $(LIBFDT_lib) |
| |
| $(LIBFDT_archive): $(addprefix $(LIBFDT_dir)/,$(LIBFDT_OBJS)) |
| |
| $(LIBFDT_lib): $(addprefix $(LIBFDT_dir)/,$(LIBFDT_OBJS)) $(LIBFDT_version) |
| @$(VECHO) LD $@ |
| $(CC) $(LDFLAGS) $(SHAREDLIB_LDFLAGS)$(LIBFDT_soname) -o $(LIBFDT_lib) \ |
| $(addprefix $(LIBFDT_dir)/,$(LIBFDT_OBJS)) |
| ln -sf $(LIBFDT_LIB) $(LIBFDT_dir)/$(LIBFDT_soname) |
| ln -sf $(LIBFDT_soname) $(LIBFDT_dir)/$(LIBFDT_so) |
| |
| ifneq ($(DEPTARGETS),) |
| -include $(LIBFDT_OBJS:%.o=$(LIBFDT_dir)/%.d) |
| endif |
| |
| # 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) $(CONVERT_GEN_SRCS) |
| |
| install-bin: all $(SCRIPTS) |
| @$(VECHO) INSTALL-BIN |
| $(INSTALL) -d $(DESTDIR)$(BINDIR) |
| $(INSTALL_PROGRAM) $(BIN) $(DESTDIR)$(BINDIR) |
| $(INSTALL_SCRIPT) $(SCRIPTS) $(DESTDIR)$(BINDIR) |
| |
| install-lib: libfdt |
| @$(VECHO) INSTALL-LIB |
| $(INSTALL) -d $(DESTDIR)$(LIBDIR) |
| $(INSTALL_LIB) $(LIBFDT_lib) $(DESTDIR)$(LIBDIR) |
| ln -sf $(notdir $(LIBFDT_lib)) $(DESTDIR)$(LIBDIR)/$(LIBFDT_soname) |
| ln -sf $(LIBFDT_soname) $(DESTDIR)$(LIBDIR)/libfdt.$(SHAREDLIB_EXT) |
| $(INSTALL_DATA) $(LIBFDT_archive) $(DESTDIR)$(LIBDIR) |
| |
| install-includes: |
| @$(VECHO) INSTALL-INC |
| $(INSTALL) -d $(DESTDIR)$(INCLUDEDIR) |
| $(INSTALL_DATA) $(LIBFDT_include) $(DESTDIR)$(INCLUDEDIR) |
| |
| install: install-bin install-lib install-includes |
| |
| .PHONY: maybe_install_pylibfdt |
| maybe_install_pylibfdt: FORCE |
| target=install_pylibfdt; $(check_python_deps) |
| |
| ifeq ($(NO_PYTHON),0) |
| install: maybe_install_pylibfdt |
| endif |
| |
| $(VERSION_FILE): Makefile FORCE |
| $(call filechk,version) |
| |
| |
| dtc: $(DTC_OBJS) |
| |
| convert-dtsv0: $(CONVERT_OBJS) |
| @$(VECHO) LD $@ |
| $(LINK.c) -o $@ $^ |
| |
| fdtdump: $(FDTDUMP_OBJS) |
| |
| fdtget: $(FDTGET_OBJS) $(LIBFDT_dep) |
| |
| fdtput: $(FDTPUT_OBJS) $(LIBFDT_dep) |
| |
| fdtoverlay: $(FDTOVERLAY_OBJS) $(LIBFDT_dep) |
| |
| dist: |
| git archive --format=tar --prefix=dtc-$(dtc_version)/ HEAD \ |
| > ../dtc-$(dtc_version).tar |
| cat ../dtc-$(dtc_version).tar | \ |
| gzip -9 > ../dtc-$(dtc_version).tar.gz |
| |
| |
| # |
| # Rules for pylibfdt |
| # |
| PYLIBFDT_dir = pylibfdt |
| |
| include $(PYLIBFDT_dir)/Makefile.pylibfdt |
| |
| .PHONY: pylibfdt |
| pylibfdt: $(PYLIBFDT_dir)/_libfdt.so |
| |
| # |
| # Release signing and uploading |
| # This is for maintainer convenience, don't try this at home. |
| # |
| ifeq ($(MAINTAINER),y) |
| GPG = gpg2 |
| KUP = kup |
| KUPDIR = /pub/software/utils/dtc |
| |
| kup: dist |
| $(GPG) --detach-sign --armor -o ../dtc-$(dtc_version).tar.sign \ |
| ../dtc-$(dtc_version).tar |
| $(KUP) put ../dtc-$(dtc_version).tar.gz ../dtc-$(dtc_version).tar.sign \ |
| $(KUPDIR)/dtc-$(dtc_version).tar.gz |
| endif |
| |
| tags: FORCE |
| rm -f tags |
| find . \( -name tests -type d -prune \) -o \ |
| \( ! -name '*.tab.[ch]' ! -name '*.lex.c' \ |
| -name '*.[chly]' -type f -print \) | xargs ctags -a |
| |
| # |
| # Testsuite rules |
| # |
| TESTS_PREFIX=tests/ |
| |
| TESTS_BIN += dtc |
| TESTS_BIN += convert-dtsv0 |
| TESTS_BIN += fdtput |
| TESTS_BIN += fdtget |
| TESTS_BIN += fdtdump |
| TESTS_BIN += fdtoverlay |
| ifeq ($(NO_PYTHON),0) |
| TESTS_PYLIBFDT += maybe_pylibfdt |
| endif |
| |
| ifneq ($(MAKECMDGOALS),libfdt) |
| include tests/Makefile.tests |
| endif |
| |
| # |
| # Clean rules |
| # |
| STD_CLEANFILES = *~ *.o *.$(SHAREDLIB_EXT) *.d *.a *.i *.s core a.out vgcore.* \ |
| *.tab.[ch] *.lex.c *.output |
| |
| clean: libfdt_clean pylibfdt_clean tests_clean |
| @$(VECHO) CLEAN |
| rm -f $(STD_CLEANFILES) |
| rm -f $(VERSION_FILE) |
| rm -f $(BIN) |
| rm -f dtc-*.tar dtc-*.tar.sign dtc-*.tar.asc |
| |
| # |
| # Generic compile rules |
| # |
| %: %.o |
| @$(VECHO) LD $@ |
| $(LINK.c) -o $@ $^ $(LDLIBS_$*) |
| |
| %.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) $(CFLAGS) -MM -MG -MT "$*.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 $@ |
| $(LEX) -o$@ $< |
| |
| %.tab.c %.tab.h: %.y |
| @$(VECHO) BISON $@ |
| $(BISON) -b $(basename $(basename $@)) -d $< |
| |
| FORCE: |
| |
| ifeq ($(MAKE_RESTARTS),10) |
| $(error "Make re-executed itself $(MAKE_RESTARTS) times. Infinite recursion?") |
| endif |
