Makefile

   1 # netsniff-ng build system
   2 # Copyright 2012 - 2013 Daniel Borkmann <borkmann@gnumaniacs.org>
   3 # Copyright 2013 - 2015 Tobias Klauser <tklauser@distanz.ch>
   4 # Subject to the GNU GPL, version 2.
   5
   6 -include Config
   7 -include Cmds
   8 -include Extra
   9 -include Template
  10 -include Misc
  11
  12 ifndef CONFIG_OK
  13   $(error "Please run `./configure' before `make'")
  14 endif
  15
  16 VERSION = 0
  17 PATCHLEVEL = 6
  18 SUBLEVEL = 3
  19 EXTRAVERSION =
  20 NAME = Mookid
  21
  22 TOOLS ?= $(CONFIG_TOOLS)
  23
  24 # For packaging purposes, prefix can define a different path.
  25 PREFIX ?= $(CONFIG_PREFIX)
  26
  27 # Set to use ccache for compilation
  28 CCACHE ?=
  29
  30 # Location of an alternative destination directory for installation
  31 # Useful when cross-compiling and installing in a dedicated target directory
  32 DESTDIR=
  33
  34 # Location of installation paths.
  35 SBINDIR = $(PREFIX)/sbin
  36 INCDIR = $(PREFIX)/include
  37 ETCDIR ?= $(CONFIG_ETCDIR)
  38 ETCDIRE = $(ETCDIR)/netsniff-ng
  39 MAN8DIR = $(PREFIX)/share/man/man8
  40
  41 # Shut up make, helper warnings, parallel compilation!
  42 MAKEFLAGS += --no-print-directory
  43 MAKEFLAGS += -rR
  44 MAKEFLAGS += --warn-undefined-variables
  45 MAKEFLAGS += --jobs=$(shell grep "^processor" /proc/cpuinfo | wc -l)
  46
  47 # Debugging option
  48 ifeq ("$(origin DEBUG)", "command line")
  49   DEBUG := 1
  50 else
  51   ifeq ($(CONFIG_DEBUG), 1)
  52     DEBUG := 1
  53   else
  54     DEBUG := 0
  55   endif
  56 endif
  57
  58 # Compiler detection
  59 ifneq ($(CC),)
  60 ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1)
  61 COMPILER := clang
  62 else
  63 COMPILER := gcc
  64 endif
  65 export COMPILER
  66 endif
  67
  68 # For packaging purposes, you might want to call your own:
  69 #   make CFLAGS="<flags>"
  70 CFLAGS_DEF  = -std=gnu99
  71 CFLAGS_DEF += -pipe
  72
  73 ifeq ($(DEBUG), 1)
  74   CFLAGS_DEF += -g
  75   CFLAGS_DEF += -O0
  76   CFLAGS_DEF += -fno-omit-frame-pointer
  77 else
  78   CFLAGS_DEF += -O2
  79   CFLAGS_DEF += -fomit-frame-pointer
  80   CFLAGS_DEF += -fno-strict-aliasing
  81   CFLAGS_DEF += -fasynchronous-unwind-tables
  82   ifneq ($(COMPILER), clang)
  83     CFLAGS_DEF += -fno-delete-null-pointer-checks
  84   endif
  85 endif
  86
  87 ifeq ($(HARDENING), 1)
  88   CFLAGS_DEF += -fPIE -pie
  89   CFLAGS_DEF += -Wl,-z,relro,-z,now
  90   CFLAGS_DEF += -fstack-protector-all
  91   CFLAGS_DEF += -Wstack-protector
  92   CFLAGS_DEF += --param=ssp-buffer-size=4
  93   CFLAGS_DEF += -ftrapv
  94   CFLAGS_DEF += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
  95   CFLAGS_DEF += -fexceptions
  96 endif
  97
  98 CFLAGS_MIN  = -D_REENTRANT
  99 CFLAGS_MIN += -D_LARGEFILE_SOURCE
 100 CFLAGS_MIN += -D_LARGEFILE64_SOURCE
 101 CFLAGS_MIN += -D_FILE_OFFSET_BITS=64
 102 CFLAGS_MIN += -DVERSION_STRING=\"$(VERSION_STRING)\"
 103 CFLAGS_MIN += -DVERSION_LONG=\"$(VERSION_LONG)\"
 104 CFLAGS_MIN += -DETCDIRE_STRING=\"$(ETCDIRE)\"
 105
 106 WFLAGS_DEF  = -Wall
 107
 108 CPPFLAGS  ?=
 109 CFLAGS    ?= $(CFLAGS_DEF) $(WFLAGS_DEF) $(CPPFLAGS)
 110 override CFLAGS += $(CFLAGS_MIN) -I.
 111
 112 LEX_FLAGS  =
 113 YAAC_FLAGS =
 114
 115 LDFLAGS   ?=
 116 ifeq ("$(origin CROSS_LD_LIBRARY_PATH)", "command line")
 117   LDFLAGS += -L$(CROSS_LD_LIBRARY_PATH)
 118 endif
 119
 120 CHECKFLAGS = -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix \
 121              -Wbitwise -Wnoreturn-void
 122
 123 VERSION_SHORT  =  $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 124 VERSION_STRING = "$(VERSION_SHORT)$(CONFIG_RC)"
 125 VERSION_LONG   = "$(VERSION_SHORT)$(CONFIG_RC) ($(NAME))"
 126
 127 export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION
 128 export DEBUG HARDENING
 129
 130 ifneq ("$(TERM)", "")
 131   bold   = $(shell tput bold)
 132   normal = $(shell tput sgr0)
 133 else
 134   bold   =
 135   normal =
 136 endif
 137
 138 ifneq ("$(CROSS_COMPILE)", "")
 139   WHAT := Cross-compiling
 140 else
 141   WHAT := Building
 142 endif
 143
 144 build_showinfo:
 145         $(Q)echo "$(bold)$(WHAT) netsniff-ng toolkit ($(VERSION_STRING)) for" \
 146               $(shell $(CCNQ) -dumpmachine)":$(normal)"
 147 clean_showinfo:
 148         $(Q)echo "$(bold)Cleaning netsniff-ng toolkit ($(VERSION_STRING)):$(normal)"
 149
 150 .PHONY: all toolkit $(TOOLS) clean %_prehook %_clean %_install %_uninstall tag tags cscope
 151 .IGNORE: %_clean_custom %_install_custom
 152 .NOTPARALLEL: $(TOOLS)
 153 .DEFAULT_GOAL := all
 154 .DEFAULT:
 155 .FORCE:
 156
 157 all: build_showinfo toolkit
 158 allbutcurvetun: $(filter-out curvetun,$(TOOLS))
 159 allbutmausezahn: $(filter-out mausezahn,$(TOOLS))
 160 toolkit: $(TOOLS)
 161 clean: $(foreach tool,$(TOOLS),$(tool)_clean)
 162 distclean: clean
 163         $(Q)$(call RM,Config)
 164         $(Q)$(call RM,config.h)
 165         $(Q)$(call RM,config.log)
 166         $(Q)$(call RM,cov-int)
 167         $(Q)$(call RM,netsniff-ng-coverity.tgz)
 168 mrproper: distclean
 169         $(Q)$(GIT_REM)
 170
 171 install: install_all
 172 install_all: $(foreach tool,$(TOOLS),$(tool)_install)
 173 install_allbutcurvetun: $(foreach tool,$(filter-out curvetun,$(TOOLS)),$(tool)_install)
 174 install_allbutmausezahn: $(foreach tool,$(filter-out mausezahn,$(TOOLS)),$(tool)_install)
 175 uninstall: $(foreach tool,$(TOOLS),$(tool)_uninstall)
 176
 177 %.yy.o: %.l
 178         $(LEXQ) -P $(shell sed -rn 's/.*lex-func-prefix:\s([a-z]+).*/\1/gp' $<) \
 179                 -o $(BUILD_DIR)/$(shell basename $< .l).yy.c $(LEX_FLAGS) $<
 180 %.tab.o: %.y
 181         $(YACCQ) -p $(shell sed -rn 's/.*yacc-func-prefix:\s([a-z]+).*/\1/gp' $<) \
 182                  -o $(BUILD_DIR)/$(shell basename $< .y).tab.c $(YAAC_FLAGS) -d $<
 183
 184 $(foreach tool,$(TOOLS),$(eval $(call TOOL_templ,$(tool))))
 185
 186 %:: ;
 187
 188 $(TOOLS):
 189         $(LDQ) $(LDFLAGS) -o $@/$@ $(shell LC_ALL=C ls $@/*.o) $($@-libs)