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 = 8
  19 EXTRAVERSION =
  20 NAME = Flutternozzle
  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 DATDIR = $(PREFIX)/share/netsniff-ng
  40 MAN8DIR = $(PREFIX)/share/man/man8
  41
  42 # Shut up make, helper warnings, parallel compilation!
  43 MAKEFLAGS += --no-print-directory
  44 MAKEFLAGS += -rR
  45 MAKEFLAGS += --warn-undefined-variables
  46 MAKEFLAGS += --jobs=$(shell grep "^processor" /proc/cpuinfo | wc -l)
  47
  48 # Debugging option
  49 ifeq ("$(origin DEBUG)", "command line")
  50   DEBUG := 1
  51 else
  52   ifeq ($(CONFIG_DEBUG), 1)
  53     DEBUG := 1
  54   else
  55     DEBUG := 0
  56   endif
  57 endif
  58
  59 # Compiler detection
  60 ifneq ($(CC),)
  61 ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1)
  62 COMPILER := clang
  63 else
  64 COMPILER := gcc
  65 endif
  66 export COMPILER
  67 endif
  68
  69 # For packaging purposes, you might want to call your own:
  70 #   make CFLAGS="<flags>"
  71 CFLAGS_DEF  = -std=gnu99
  72 CFLAGS_DEF += -pipe
  73
  74 ifeq ($(DEBUG), 1)
  75   CFLAGS_DEF += -g
  76   CFLAGS_DEF += -O0
  77   CFLAGS_DEF += -fno-omit-frame-pointer
  78 else
  79   CFLAGS_DEF += -O2
  80   CFLAGS_DEF += -fomit-frame-pointer
  81   CFLAGS_DEF += -fno-strict-aliasing
  82   CFLAGS_DEF += -fasynchronous-unwind-tables
  83   ifneq ($(COMPILER), clang)
  84     CFLAGS_DEF += -fno-delete-null-pointer-checks
  85   endif
  86 endif
  87
  88 ifeq ($(HARDENING), 1)
  89   CFLAGS_DEF += -fPIE -pie
  90   CFLAGS_DEF += -Wl,-z,relro,-z,now
  91   CFLAGS_DEF += -fstack-protector-all
  92   CFLAGS_DEF += -Wstack-protector
  93   CFLAGS_DEF += --param=ssp-buffer-size=4
  94   CFLAGS_DEF += -ftrapv
  95   CFLAGS_DEF += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
  96   CFLAGS_DEF += -fexceptions
  97 endif
  98
  99 CFLAGS_MIN  = -D_REENTRANT
 100 CFLAGS_MIN += -D_LARGEFILE_SOURCE
 101 CFLAGS_MIN += -D_LARGEFILE64_SOURCE
 102 CFLAGS_MIN += -D_FILE_OFFSET_BITS=64
 103 CFLAGS_MIN += -DVERSION_STRING=\"$(VERSION_STRING)\"
 104 CFLAGS_MIN += -DVERSION_LONG=\"$(VERSION_LONG)\"
 105 CFLAGS_MIN += -DETCDIRE_STRING=\"$(ETCDIRE)\"
 106 CFLAGS_MIN += -DDATDIR_STRING=\"$(DATDIR)\"
 107
 108 WFLAGS_DEF  = -Wall
 109
 110 CPPFLAGS  ?=
 111 CFLAGS    ?= $(CFLAGS_DEF) $(WFLAGS_DEF) $(CPPFLAGS)
 112 override CFLAGS += $(CFLAGS_MIN) -I.
 113
 114 LEX_FLAGS  =
 115 YAAC_FLAGS =
 116
 117 LDFLAGS   ?=
 118 ifeq ("$(origin CROSS_LD_LIBRARY_PATH)", "command line")
 119   LDFLAGS += -L$(CROSS_LD_LIBRARY_PATH)
 120 endif
 121
 122 CHECKFLAGS = -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix \
 123              -Wbitwise -Wnoreturn-void
 124
 125 VERSION_SHORT  =  $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 126 VERSION_STRING = "$(VERSION_SHORT)$(CONFIG_RC)"
 127 VERSION_LONG   = "$(VERSION_SHORT)$(CONFIG_RC) ($(NAME))"
 128
 129 export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION
 130 export DEBUG HARDENING
 131
 132 ifneq ("$(TERM)", "")
 133   bold   = $(shell tput bold)
 134   normal = $(shell tput sgr0)
 135 else
 136   bold   =
 137   normal =
 138 endif
 139
 140 ifneq ("$(CROSS_COMPILE)", "")
 141   WHAT := Cross-compiling
 142 else
 143   WHAT := Building
 144 endif
 145
 146 build_showinfo:
 147         $(Q)echo "$(bold)$(WHAT) netsniff-ng toolkit ($(VERSION_STRING)) for" \
 148               $(shell $(CCNQ) -dumpmachine)":$(normal)"
 149 clean_showinfo:
 150         $(Q)echo "$(bold)Cleaning netsniff-ng toolkit ($(VERSION_STRING)):$(normal)"
 151
 152 .PHONY: all toolkit $(TOOLS) clean %_prehook %_clean %_install %_uninstall tag tags cscope
 153 .IGNORE: %_clean_custom %_install_custom
 154 .NOTPARALLEL: $(TOOLS)
 155 .DEFAULT_GOAL := all
 156 .DEFAULT:
 157 .FORCE:
 158
 159 all: build_showinfo toolkit
 160 allbutcurvetun: $(filter-out curvetun,$(TOOLS))
 161 allbutmausezahn: $(filter-out mausezahn,$(TOOLS))
 162 toolkit: $(TOOLS)
 163 clean: $(foreach tool,$(TOOLS),$(tool)_clean)
 164 distclean: clean
 165         $(Q)$(call RM,Config)
 166         $(Q)$(call RM,config.h)
 167         $(Q)$(call RM,config.log)
 168         $(Q)$(call RM,cov-int)
 169         $(Q)$(call RM,netsniff-ng-coverity.tgz)
 170 mrproper: distclean
 171         $(Q)$(GIT_REM)
 172
 173 install: install_all
 174 install_all: $(foreach tool,$(TOOLS),$(tool)_install)
 175         $(Q)$(call INSTD,$(DESTDIR)$(DATDIR))
 176 install_allbutcurvetun: $(foreach tool,$(filter-out curvetun,$(TOOLS)),$(tool)_install)
 177 install_allbutmausezahn: $(foreach tool,$(filter-out mausezahn,$(TOOLS)),$(tool)_install)
 178 uninstall: $(foreach tool,$(TOOLS),$(tool)_uninstall)
 179
 180 %.yy.o: %.l
 181         $(LEXQ) -P $(shell sed -rn 's/.*lex-func-prefix:\s([a-z]+).*/\1/gp' $<) \
 182                 -o $(BUILD_DIR)/$(shell basename $< .l).yy.c $(LEX_FLAGS) $<
 183 %.tab.o: %.y
 184         $(YACCQ) -p $(shell sed -rn 's/.*yacc-func-prefix:\s([a-z]+).*/\1/gp' $<) \
 185                  -o $(BUILD_DIR)/$(shell basename $< .y).tab.c $(YAAC_FLAGS) -d $<
 186
 187 $(foreach tool,$(TOOLS),$(eval $(call TOOL_templ,$(tool))))
 188
 189 %:: ;
 190
 191 $(TOOLS):
 192         $(LDQ) $(LDFLAGS) -o $@/$@ $(shell LC_ALL=C ls $@/*.o) $($@-libs)