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9078633fee
Add a helper script that lists all applets that - do or may require SUID provileges (busybox.cfg.suid) - do not require SUID provileges (busybox.cfg.nosuid) Some setups prefer to build two busybox binaries, one that is suid which contains all applets that do or may require suid privileges, and a second one for all the rest (which drops suid). To ease splitting these two binaries, generate a list of CONFIG_ items for the suid binary. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
184 lines
5.8 KiB
Makefile
184 lines
5.8 KiB
Makefile
# ==========================================================================
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# Build system
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# ==========================================================================
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busybox.links: $(srctree)/applets/busybox.mkll $(objtree)/include/autoconf.h include/applets.h
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$(Q)-$(SHELL) $^ > $@
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busybox.cfg.suid: $(srctree)/applets/busybox.mksuid $(objtree)/include/autoconf.h include/applets.h
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$(Q)-SUID="yes" $(SHELL) $^ > $@
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busybox.cfg.nosuid: $(srctree)/applets/busybox.mksuid $(objtree)/include/autoconf.h include/applets.h
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$(Q)-SUID="DROP" $(SHELL) $^ > $@
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.PHONY: install
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ifeq ($(CONFIG_INSTALL_APPLET_SYMLINKS),y)
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INSTALL_OPTS:= --symlinks
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endif
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ifeq ($(CONFIG_INSTALL_APPLET_HARDLINKS),y)
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INSTALL_OPTS:= --hardlinks
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endif
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ifeq ($(CONFIG_INSTALL_APPLET_SCRIPT_WRAPPERS),y)
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ifeq ($(CONFIG_INSTALL_SH_APPLET_SYMLINK),y)
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INSTALL_OPTS:= --sw-sh-sym
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endif
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ifeq ($(CONFIG_INSTALL_SH_APPLET_HARDLINK),y)
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INSTALL_OPTS:= --sw-sh-hard
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endif
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ifeq ($(CONFIG_INSTALL_SH_APPLET_SCRIPT_WRAPPER),y)
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INSTALL_OPTS:= --scriptwrapper
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endif
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endif
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install: $(srctree)/applets/install.sh busybox busybox.links
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$(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
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$(SHELL) $< $(CONFIG_PREFIX) $(INSTALL_OPTS)
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ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
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@echo
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@echo
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@echo --------------------------------------------------
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@echo You will probably need to make your busybox binary
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@echo setuid root to ensure all configured applets will
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@echo work properly.
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@echo --------------------------------------------------
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@echo
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endif
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uninstall: busybox.links
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rm -f $(CONFIG_PREFIX)/bin/busybox
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for i in `cat busybox.links` ; do rm -f $(CONFIG_PREFIX)$$i; done
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ifneq ($(strip $(DO_INSTALL_LIBS)),n)
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for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
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rm -f $(CONFIG_PREFIX)$$i; \
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done
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endif
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# Not very elegant: copies testsuite to objdir...
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# (cp -pPR is POSIX-compliant (cp -dpR or cp -a would not be))
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.PHONY: check
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.PHONY: test
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check test: busybox busybox.links
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test -d $(objtree)/testsuite || cp -pPR $(srctree)/testsuite $(objtree)
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bindir=$(objtree) srcdir=$(srctree)/testsuite \
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$(SHELL) -c "cd $(objtree)/testsuite && $(srctree)/testsuite/runtest $(if $(KBUILD_VERBOSE:0=),-v)"
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.PHONY: release
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release: distclean
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cd ..; \
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rm -r -f busybox-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION); \
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cp -pPR busybox busybox-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) && { \
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find busybox-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)/ -type d \
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-name .svn \
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-print \
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-exec rm -r -f {} \; ; \
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find busybox-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)/ -type d \
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-name .git \
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-print \
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-exec rm -r -f {} \; ; \
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find busybox-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)/ -type f \
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-name .\#* \
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-print \
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-exec rm -f {} \; ; \
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tar -czf busybox-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION).tar.gz \
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busybox-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)/ ; }
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.PHONY: checkhelp
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checkhelp:
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$(Q)$(srctree)/scripts/checkhelp.awk \
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$(patsubst %,$(srctree)/%,$(wildcard $(patsubst %,%/Config.in,$(busybox-dirs) ./)))
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.PHONY: sizes
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sizes: busybox_unstripped
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$(NM) --size-sort $(<)
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.PHONY: bloatcheck
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bloatcheck: busybox_old busybox_unstripped
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@$(srctree)/scripts/bloat-o-meter busybox_old busybox_unstripped
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@$(CROSS_COMPILE)size busybox_old busybox_unstripped
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.PHONY: baseline
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baseline: busybox_unstripped
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@mv busybox_unstripped busybox_old
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.PHONY: objsizes
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objsizes: busybox_unstripped
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$(srctree)/scripts/objsizes
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.PHONY: stksizes
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stksizes: busybox_unstripped
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$(CROSS_COMPILE)objdump -d busybox_unstripped | $(srctree)/scripts/checkstack.pl $(ARCH) | uniq
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.PHONY: bigdata
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bigdata: busybox_unstripped
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$(CROSS_COMPILE)nm --size-sort busybox_unstripped | grep -vi ' [trw] '
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# Documentation Targets
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.PHONY: doc
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doc: docs/busybox.pod docs/BusyBox.txt docs/busybox.1 docs/BusyBox.html
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# FIXME: Doesn't belong here
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cmd_doc =
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quiet_cmd_doc = $(Q)echo " DOC $(@F)"
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silent_cmd_doc =
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disp_doc = $($(quiet)cmd_doc)
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# sed adds newlines after "Options:" etc,
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# this is needed in order to get good BusyBox.{1,txt,html}
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docs/busybox.pod: $(srctree)/docs/busybox_header.pod \
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include/usage.h \
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$(srctree)/docs/busybox_footer.pod \
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applets/usage_pod
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-( \
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cat $(srctree)/docs/busybox_header.pod; \
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echo; \
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applets/usage_pod | sed 's/^[A-Za-z][A-Za-z ]*[a-z]:$$/&\n/'; \
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cat $(srctree)/docs/busybox_footer.pod; \
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) > docs/busybox.pod
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docs/BusyBox.txt: docs/busybox.pod
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-pod2text $< > $@
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docs/busybox.1: docs/busybox.pod
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-pod2man --center=busybox --release="version $(KERNELVERSION)" $< > $@
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docs/BusyBox.html: docs/busybox.net/BusyBox.html
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-rm -f docs/BusyBox.html
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$(Q)-cp docs/busybox.net/BusyBox.html docs/BusyBox.html
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docs/busybox.net/BusyBox.html: docs/busybox.pod
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$(Q)-mkdir -p docs/busybox.net
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$(Q)-pod2html --noindex $< > $@
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$(Q)-rm -f pod2htm*
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# documentation, cross-reference
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# Modern distributions already ship synopsis packages (e.g. debian)
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# If you have an old distribution go to http://synopsis.fresco.org/
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syn_tgt = $(wildcard $(patsubst %,%/*.c,$(busybox-alldirs)))
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syn = $(patsubst %.c, %.syn, $(syn_tgt))
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comma:= ,
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brace_open:= (
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brace_close:= )
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SYN_CPPFLAGS := $(strip $(CPPFLAGS) $(EXTRA_CPPFLAGS))
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SYN_CPPFLAGS := $(subst $(brace_open),\$(brace_open),$(SYN_CPPFLAGS))
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SYN_CPPFLAGS := $(subst $(brace_close),\$(brace_close),$(SYN_CPPFLAGS))
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#SYN_CPPFLAGS := $(subst ",\",$(SYN_CPPFLAGS))
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#")
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#SYN_CPPFLAGS := [$(patsubst %,'%'$(comma),$(SYN_CPPFLAGS))'']
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%.syn: %.c
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synopsis -p C -l Comments.SSDFilter,Comments.Previous -Wp,preprocess=True,cppflags="'$(SYN_CPPFLAGS)'" -o $@ $<
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.PHONY: html
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html: $(syn)
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synopsis -f HTML -Wf,title="'BusyBox Documentation'" -o $@ $^
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-include $(srctree)/Makefile.local
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