#----------------------------------------------------------------------------- # Copyright (C) Proxmark3 contributors. See AUTHORS.md for details. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # See LICENSE.txt for the text of the license. #----------------------------------------------------------------------------- -include Makefile.platform -include .Makefile.options.cache include Makefile.defs include common_arm/Makefile.hal # preserve relative DESTDIR path for subdir makes ifneq (,$(DESTDIR)) # realpath needs the directory to exist $(shell $(MKDIR) $(DESTDIR)) MYDESTDIR:=$(realpath $(DESTDIR)) ifeq (,$(MYDESTDIR)) $(error Can't create $(DESTDIR)) endif endif all clean install uninstall check: %: client/% bootrom/% armsrc/% recovery/% mfkey/% nonce2key/% mf_nonce_brute/% mfd_aes_brute/% fpga_compress/% cryptorf/% # hitag2crack toolsuite is not yet integrated in "all", it must be called explicitly: "make hitag2crack" #all clean install uninstall check: %: hitag2crack/% INSTALLTOOLS=pm3_eml2lower.sh pm3_eml2upper.sh pm3_mfdread.py pm3_mfd2eml.py pm3_eml2mfd.py pm3_amii_bin2eml.pl pm3_reblay-emulating.py pm3_reblay-reading.py INSTALLSIMFW=sim011.bin sim011.sha512.txt sim013.bin sim013.sha512.txt sim014.bin sim014.sha512.txt INSTALLSCRIPTS=pm3 pm3-flash pm3-flash-all pm3-flash-bootrom pm3-flash-fullimage INSTALLSHARES=tools/jtag_openocd traces INSTALLDOCS=doc/*.md doc/md install: common/install common/install: $(info [@] Installing common resources to $(MYDESTDIR)$(PREFIX)...) ifneq (,$(INSTALLSCRIPTS)) $(Q)$(INSTALLSUDO) $(MKDIR) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLBINRELPATH) $(Q)$(INSTALLSUDO) $(CP) $(INSTALLSCRIPTS) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLBINRELPATH) endif ifneq (,$(INSTALLSHARES)) $(Q)$(INSTALLSUDO) $(MKDIR) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLSHARERELPATH) $(Q)$(INSTALLSUDO) $(CP) $(INSTALLSHARES) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLSHARERELPATH) endif ifneq (,$(INSTALLDOCS)) $(Q)$(INSTALLSUDO) $(MKDIR) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLDOCSRELPATH) $(Q)$(INSTALLSUDO) $(CP) $(INSTALLDOCS) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLDOCSRELPATH) endif ifneq (,$(INSTALLTOOLS)) $(Q)$(INSTALLSUDO) $(MKDIR) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLTOOLSRELPATH) $(Q)$(INSTALLSUDO) $(CP) $(foreach tool,$(INSTALLTOOLS),tools/$(tool)) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLTOOLSRELPATH) endif ifneq (,$(INSTALLSIMFW)) $(Q)$(INSTALLSUDO) $(MKDIR) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLFWRELPATH) $(Q)$(INSTALLSUDO) $(CP) $(foreach fw,$(INSTALLSIMFW),client/resources/$(fw)) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLFWRELPATH) endif ifeq ($(platform),Linux) $(Q)$(INSTALLSUDO) $(MKDIR) $(DESTDIR)$(UDEV_PREFIX) # If user is running ArchLinux, use group 'uucp' # Else, use group 'dialout' ifneq ($(wildcard /etc/arch-release),) $(Q)$(INSTALLSUDO) $(CP) driver/77-pm3-usb-device-blacklist-uucp.rules $(DESTDIR)$(UDEV_PREFIX)/77-pm3-usb-device-blacklist.rules else $(Q)$(INSTALLSUDO) $(CP) driver/77-pm3-usb-device-blacklist-dialout.rules $(DESTDIR)$(UDEV_PREFIX)/77-pm3-usb-device-blacklist.rules endif endif uninstall: common/uninstall common/uninstall: $(info [@] Uninstalling common resources from $(MYDESTDIR)$(PREFIX)...) ifneq (,$(INSTALLSCRIPTS)) $(Q)$(INSTALLSUDO) $(RM) $(foreach script,$(INSTALLSCRIPTS),$(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLBINRELPATH)$(PATHSEP)$(notdir $(script))) endif ifneq (,$(INSTALLSHARES)) $(Q)$(INSTALLSUDO) $(RMDIR) $(foreach share,$(INSTALLSHARES),$(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLSHARERELPATH)$(PATHSEP)$(notdir $(share))) endif ifneq (,$(INSTALLDOCS)) $(Q)$(INSTALLSUDO) $(RMDIR) $(foreach doc,$(INSTALLDOCS),$(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLDOCSRELPATH)$(PATHSEP)$(notdir $(doc))) $(Q)-$(INSTALLSUDO) $(RMDIR_SOFT) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLDOCSRELPATH) endif ifneq (,$(INSTALLTOOLS)) $(Q)$(INSTALLSUDO) $(RM) $(foreach tool,$(INSTALLTOOLS),$(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLTOOLSRELPATH)$(PATHSEP)$(notdir $(tool))) endif $(Q)-$(INSTALLSUDO) $(RMDIR_SOFT) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLTOOLSRELPATH) ifneq (,$(INSTALLSIMFW)) $(Q)$(INSTALLSUDO) $(RM) $(foreach fw,$(INSTALLSIMFW),$(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLFWRELPATH)$(PATHSEP)$(notdir $(fw))) endif $(Q)-$(INSTALLSUDO) $(RMDIR_SOFT) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLFWRELPATH) ifeq ($(platform),Linux) $(Q)$(INSTALLSUDO) $(RM) $(DESTDIR)$(UDEV_PREFIX)/77-pm3-usb-device-blacklist.rules endif $(Q)-$(INSTALLSUDO) $(RMDIR_SOFT) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLSHARERELPATH) # tests cryptorf/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) mfkey/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) nonce2key/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) mf_nonce_brute/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) mfd_aes_brute/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) fpga_compress/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) bootrom/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) armsrc/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) client/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) recovery/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) hitag2crack/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) common/check: FORCE $(info [*] CHECK $(patsubst %/check,%,$@)) $(Q)$(BASH) tools/pm3_tests.sh $(CHECKARGS) $(patsubst %/check,%,$@) check: common/check $(info [*] ALL CHECKS DONE) cryptorf/%: FORCE $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C tools/cryptorf $(patsubst cryptorf/%,%,$@) DESTDIR=$(MYDESTDIR) mfkey/%: FORCE $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C tools/mfkey $(patsubst mfkey/%,%,$@) DESTDIR=$(MYDESTDIR) nonce2key/%: FORCE $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C tools/nonce2key $(patsubst nonce2key/%,%,$@) DESTDIR=$(MYDESTDIR) mf_nonce_brute/%: FORCE $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C tools/mf_nonce_brute $(patsubst mf_nonce_brute/%,%,$@) DESTDIR=$(MYDESTDIR) mfd_aes_brute/%: FORCE $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C tools/mfd_aes_brute $(patsubst mfd_aes_brute/%,%,$@) DESTDIR=$(MYDESTDIR) fpga_compress/%: FORCE cleanifplatformchanged $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C tools/fpga_compress $(patsubst fpga_compress/%,%,$@) DESTDIR=$(MYDESTDIR) bootrom/%: FORCE cleanifplatformchanged $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C bootrom $(patsubst bootrom/%,%,$@) DESTDIR=$(MYDESTDIR) armsrc/%: FORCE cleanifplatformchanged fpga_compress/% $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C armsrc $(patsubst armsrc/%,%,$@) DESTDIR=$(MYDESTDIR) client/%: FORCE cleanifplatformchanged $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C client $(patsubst client/%,%,$@) DESTDIR=$(MYDESTDIR) recovery/all: bootrom/all armsrc/all recovery/install: bootrom/install armsrc/install recovery/%: FORCE cleanifplatformchanged $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C recovery $(patsubst recovery/%,%,$@) DESTDIR=$(MYDESTDIR) hitag2crack/%: FORCE $(info [*] MAKE $@) $(Q)$(MAKE) --no-print-directory -C tools/hitag2crack $(patsubst hitag2crack/%,%,$@) DESTDIR=$(MYDESTDIR) FORCE: # Dummy target to force remake in the subdirectories, even if files exist (this Makefile doesn't know about the prerequisites) .PHONY: all clean install uninstall help _test bootrom fullimage recovery client mfkey nonce2key mf_nonce_brute mfd_aes_brute hitag2crack style miscchecks release FORCE udev accessrights cleanifplatformchanged help: @echo "Multi-OS Makefile" @echo @echo "Possible targets:" @echo "+ all - Make all targets: bootrom, fullimage and OS-specific host tools" @echo "+ clean - Clean in all targets" @echo "+ .../clean - Clean in specified target and its deps, e.g. bootrom/clean" @echo "+ (un)install - Install/uninstall Proxmark files in the system, default to /usr/local/share," @echo " else provide a PREFIX. See Maintainers.md for more options" @echo @echo "+ bootrom - Make bootrom" @echo "+ fullimage - Make armsrc fullimage (includes fpga)" @echo "+ recovery - Make bootrom and fullimage files for JTAG flashing" @echo @echo "+ client - Make only the OS-specific host client" @echo "+ cryptorf - Make tools/cryptorf" @echo "+ mfkey - Make tools/mfkey" @echo "+ nonce2key - Make tools/nonce2key" @echo "+ mf_nonce_brute - Make tools/mf_nonce_brute" @echo "+ mfd_aes_brute - Make tools/mfd_aes_brute" @echo "+ hitag2crack - Make tools/hitag2crack" @echo "+ fpga_compress - Make tools/fpga_compress" @echo @echo "+ style - Apply some automated source code formatting rules" @echo "+ check - Run offline tests. Set CHECKARGS to pass arguments to the test script" @echo "+ .../check - Run offline tests against specific target. See above." @echo "+ miscchecks - Detect various encoding issues in source code" @echo @echo "+ udev - Sets udev rules on *nix" @echo "+ accessrights - Ensure user belongs to correct group on *nix" @echo @echo "Possible platforms: try \"make PLATFORM=\" for more info, default is PM3RDV4" @echo "To activate verbose mode, use make V=1" client: client/all bootrom: bootrom/all # aliases fullimage = armsrc fullimage: armsrc/all fullimage/all: armsrc/all fullimage/clean: armsrc/clean fullimage/install: armsrc/install fullimage/uninstall: armsrc/uninstall recovery: recovery/all cryptorf: cryptorf/all mfkey: mfkey/all nonce2key: nonce2key/all mf_nonce_brute: mf_nonce_brute/all mfd_aes_brute: mfd_aes_brute/all fpga_compress: fpga_compress/all hitag2crack: hitag2crack/all newtarbin: $(RM) proxmark3-$(platform)-bin.tar proxmark3-$(platform)-bin.tar.gz @touch proxmark3-$(platform)-bin.tar tarbin: newtarbin client/tarbin armsrc/tarbin bootrom/tarbin $(info GEN proxmark3-$(platform)-bin.tar) $(Q)$(GZIP) proxmark3-$(platform)-bin.tar # detect if there were changes in the platform definitions, requiring a clean cleanifplatformchanged: ifeq ($(PLATFORM_CHANGED),true) $(info [!] Platform definitions changed, cleaning bootrom/armsrc/recovery first...) $(Q)$(MAKE) --no-print-directory -C bootrom clean $(Q)$(MAKE) --no-print-directory -C armsrc clean $(Q)$(MAKE) --no-print-directory -C recovery clean $(Q)$(MAKE) --no-print-directory -C client clean $(Q)$(MAKE) --no-print-directory -C tools/fpga_compress clean $(Q)$(ECHO) CACHED_PLATFORM=$(PLATFORM) > .Makefile.options.cache $(Q)$(ECHO) CACHED_PLATFORM_EXTRAS=$(PLATFORM_EXTRAS) >> .Makefile.options.cache $(Q)$(ECHO) CACHED_PLATFORM_DEFS=$(PLATFORM_DEFS) >> .Makefile.options.cache endif # configure system to ignore PM3 device as a modem (ModemManager blacklist, effective *only* if ModemManager is not using _strict_ policy) # Read doc/md/ModemManager-Must-Be-Discarded.md for more info udev: ifneq ($(wildcard /etc/arch-release),) # If user is running ArchLinux, use group 'uucp' $(SUDO) cp -rf driver/77-pm3-usb-device-blacklist-uucp.rules $(DESTDIR)$(UDEV_PREFIX)/77-pm3-usb-device-blacklist.rules else # Else, use group 'dialout' $(SUDO) cp -rf driver/77-pm3-usb-device-blacklist-dialout.rules $(DESTDIR)$(UDEV_PREFIX)/77-pm3-usb-device-blacklist.rules endif $(SUDO) udevadm control --reload-rules $(SUDO) udevadm trigger --action=change # configure system to add user to the dialout group and if bluetooth group exists, add user to it # you need to logout, relogin to get this access right correct. # Finally, you might need to run the proxmark3 client under SUDO on some systems accessrights: ifneq ($(wildcard /etc/arch-release),) #If user is running ArchLinux, use specific command and group $(Q)$(SUDO) $(USERMOD) uucp $(USER) $(Q)$(GETENT_BL) >/dev/null && $(SUDO) $(USERMOD) bluetooth $(USER) || true else ifneq ($(wildcard /etc/fedora-release),) # If the user is running Fedora, use `usermod` with the dialout group $(Q)$(SUDO) $(USERMOD) dialout $(USER) $(Q)$(GETENT_BL) >/dev/null && $(SUDO) $(USERMOD) bluetooth $(USER) || true else $(Q)$(SUDO) $(ADDUSER) $(USER) dialout $(Q)$(GETENT_BL) >/dev/null && $(SUDO) $(ADDUSER) $(USER) bluetooth || true endif # easy printing of MAKE VARIABLES print-%: ; @echo $* = $($*) style: # Make sure astyle is installed @command -v astyle >/dev/null || ( echo "Please install 'astyle' package first" ; exit 1 ) # Remove spaces & tabs at EOL, add LF at EOF if needed on *.c, *.h, *.cpp. *.lua, *.py, *.pl, Makefile, *.v, pm3 find . \( -not -path "./cov-int/*" -and -not -path "./fpga*/xst/*" -and \( -name "*.[ch]" -or \( -name "*.cpp" -and -not -name "*.moc.cpp" \) -or -name "*.lua" -or -name "*.py" -or -name "*.pl" -or -name "Makefile" -or -name "*.v" -or -name "pm3" \) \) \ -exec perl -pi -e 's/[ \t]+$$//' {} \; \ -exec sh -c "tail -c1 {} | xxd -p | tail -1 | grep -q -v 0a$$" \; \ -exec sh -c "echo >> {}" \; # Apply astyle on *.c, *.h, *.cpp find . \( -not -path "./cov-int/*" -and \( \( -name "*.[ch]" -and -not -name "ui_overlays.h" \) -or \( -name "*.cpp" -and -not -name "*.moc.cpp" \) \) \) -exec astyle --formatted --mode=c --suffix=none \ --indent=spaces=4 --indent-switches \ --keep-one-line-blocks --max-instatement-indent=60 \ --style=google --pad-oper --unpad-paren --pad-header \ --align-pointer=name {} \; # Update commands.md [ -x client/proxmark3 ] && client/proxmark3 -m | tr -d '\r' > doc/commands.md # Make sure python3 is installed @command -v python3 >/dev/null || ( echo "Please install 'python3' package first" ; exit 1 ) # Update commands.json, patch port in case it was run under Windows [ -x client/proxmark3 ] && client/proxmark3 --fulltext | sed 's#com[0-9]#/dev/ttyACM0#'|python3 client/pyscripts/pm3_help2json.py - - | tr -d '\r' > doc/commands.json # Update the readline autocomplete autogenerated code [ -x client/proxmark3 ] && client/proxmark3 --fulltext | python3 client/pyscripts/pm3_help2list.py - - | tr -d '\r' > client/src/pm3line_vocabulary.h # Detecting weird codepages and tabs. ifeq ($(platform),Darwin) miscchecks: TABSCMD=egrep -l '\t' {} else miscchecks: TABSCMD=grep -lP '\t' {} endif ifneq (,$(EDIT)) miscchecks: TABSCMD+= && vi {} -c ':set tabstop=4' -c ':set et|retab' -c ':wq' endif miscchecks: # Make sure recode is installed @command -v recode >/dev/null || ( echo "Please install 'recode' package first" ; exit 1 ) @echo "Files with suspicious chars:" @find . \( -not -path "./cov-int/*" -and -not -path "./client/deps/*" -and \( -name "*.[ch]" -or -name "*.cpp" -or -name "*.lua" -or -name "*.py" -or -name "*.pl" -or -name "Makefile" -or -name "*.v" -or -name "pm3" \) \) \ -exec sh -c "cat {} |recode utf8.. >/dev/null || echo {}" \; ifneq (,$(EDIT)) @echo "Files with tabs: (EDIT enabled, files will be rewritten!)" else @echo "Files with tabs: (rerun with EDIT=1 if you want to convert them with vim)" endif # to remove tabs within lines, one can try with: vi $file -c ':set tabstop=4' -c ':set et|retab' -c ':wq' @find . \( -not -path "./cov-int/*" -and -not -path "./client/deps/*" -and -not -wholename "./client/src/pm3_*wrap.c" -and \( -name "*.[ch]" -or \( -name "*.cpp" -and -not -name "*.moc.cpp" \) -or -name "*.lua" -or -name "*.py" -or -name "*.pl" -or -name "*.md" -or -name "*.txt" -or -name "*.awk" -or -name "*.v" -or -name "pm3" \) \) \ -exec sh -c "$(TABSCMD)" \; # @echo "Files with printf \\\\t:" # @find . \( -name "*.[ch]" -or \( -name "*.cpp" -and -not -name "*.moc.cpp" \) -or -name "*.lua" -or -name "*.py" -or -name "*.pl" -or -name "*.md" -or -name "*.txt" -or -name "*.awk" -or -name "*.v" \) \ # -exec grep -lP '\\t' {} \; release: VERSION="v4.$(shell git log --oneline master | wc -l)" release: $(if $(findstring master,$(shell git rev-parse --abbrev-ref HEAD)),,$(error "!!! you are not on master branch, aborting")) $(if $(findstring dirty,$(shell git describe --dirty --always)),$(error "!!! you have pending changes, aborting")) $(if $(RELEASE_NAME),,$(error "!!! missing RELEASE_NAME, aborting")) # Preparing a commit for release tagging, to be reverted after tagging. @echo "# - Release Tag: $(VERSION)" @echo "# - Release Name: $(RELEASE_NAME)" # - Removing -Werror... @find . \( -path "./Makefile.defs" -or -path "./client/Makefile" -or -path "./common_arm/Makefile.common" -or -path "./tools/hitag2crack/*/Makefile" \) -exec sed -i 's/ -Werror//' {} \; @find . \( -path "./client/deps/*.cmake" -or -path "./client/CMakeLists.txt" \) -exec sed -i 's/ -Werror//' {} \; # - Changing banner... @sed -i "s/^#define BANNERMSG3 .*/#define BANNERMSG3 \"Release $(VERSION) - $(RELEASE_NAME)\"/" client/src/proxmark3.c @echo -n "# ";grep "^#define BANNERMSG3" client/src/proxmark3.c # - Committing temporarily... @git commit -a -m "Release $(VERSION) - $(RELEASE_NAME)" # - Tagging temporarily... @git tag -a -m "Release $(VERSION) - $(RELEASE_NAME)" $(VERSION) # - Changing default version information based on new tag @$(SH) tools/mkversion.sh --force common/default_version_pm3.c # - Removing mkversion calls @sed -i 's#^.*\.\./tools/mkversion.sh.*|| #\t$$(Q)#' client/Makefile bootrom/Makefile armsrc/Makefile @sed -i '/COMMAND/s/sh .*|| //' client/CMakeLists.txt client/experimental_lib/CMakeLists.txt # - Deleting tag... @git tag -d $(VERSION) # - Amending commit... @git commit -a --amend -m "Release $(VERSION) - $(RELEASE_NAME)" # - Tagging again... @git tag -a -m "Release $(VERSION) - $(RELEASE_NAME)" $(VERSION) # - Reverting tagged commit... @git revert --no-edit HEAD @echo "===================================================================" @echo "Done! You can now execute 'git push && git push origin $(VERSION)'" # Dummy target to test for GNU make availability _test: