summaryrefslogtreecommitdiff
path: root/Makefile
blob: 8613324a1ee630d66a2cb411b27c7ee2a95760ea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
# netsniff-ng build system
# Copyright 2012 - 2013 Daniel Borkmann <borkmann@gnumaniacs.org>
# Copyright 2013 - 2015 Tobias Klauser <tklauser@distanz.ch>
# Subject to the GNU GPL, version 2.

-include Config
-include Cmds
-include Extra
-include Template
-include Misc

ifndef CONFIG_OK
  $(error "Please run `./configure' before `make'")
endif

VERSION = 0
PATCHLEVEL = 6
SUBLEVEL = 7
EXTRAVERSION =
NAME = Polygon Window

TOOLS ?= $(CONFIG_TOOLS)

# For packaging purposes, prefix can define a different path.
PREFIX ?= $(CONFIG_PREFIX)

# Set to use ccache for compilation
CCACHE ?=

# Location of an alternative destination directory for installation
# Useful when cross-compiling and installing in a dedicated target directory
DESTDIR=

# Location of installation paths.
SBINDIR = $(PREFIX)/sbin
INCDIR = $(PREFIX)/include
ETCDIR ?= $(CONFIG_ETCDIR)
ETCDIRE = $(ETCDIR)/netsniff-ng
DATDIR = $(PREFIX)/share/netsniff-ng
MAN8DIR = $(PREFIX)/share/man/man8

# Shut up make, helper warnings, parallel compilation!
MAKEFLAGS += --no-print-directory
MAKEFLAGS += -rR
MAKEFLAGS += --warn-undefined-variables
MAKEFLAGS += --jobs=$(shell grep "^processor" /proc/cpuinfo | wc -l)

# Debugging option
ifeq ("$(origin DEBUG)", "command line")
  DEBUG := 1
else
  ifeq ($(CONFIG_DEBUG), 1)
    DEBUG := 1
  else
    DEBUG := 0
  endif
endif

# Compiler detection
ifneq ($(CC),)
ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1)
COMPILER := clang
else
COMPILER := gcc
endif
export COMPILER
endif

# For packaging purposes, you might want to call your own:
#   make CFLAGS="<flags>"
CFLAGS_DEF  = -std=gnu99
CFLAGS_DEF += -pipe

ifeq ($(DEBUG), 1)
  CFLAGS_DEF += -g
  CFLAGS_DEF += -O0
  CFLAGS_DEF += -fno-omit-frame-pointer
else
  CFLAGS_DEF += -O2
  CFLAGS_DEF += -fomit-frame-pointer
  CFLAGS_DEF += -fno-strict-aliasing
  CFLAGS_DEF += -fasynchronous-unwind-tables
  ifneq ($(COMPILER), clang)
    CFLAGS_DEF += -fno-delete-null-pointer-checks
  endif
endif

ifeq ($(HARDENING), 1)
  CFLAGS_DEF += -fPIE -pie
  CFLAGS_DEF += -Wl,-z,relro,-z,now
  CFLAGS_DEF += -fstack-protector-all
  CFLAGS_DEF += -Wstack-protector
  CFLAGS_DEF += --param=ssp-buffer-size=4
  CFLAGS_DEF += -ftrapv
  CFLAGS_DEF += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
  CFLAGS_DEF += -fexceptions
endif

CFLAGS_MIN  = -D_REENTRANT
CFLAGS_MIN += -D_LARGEFILE_SOURCE
CFLAGS_MIN += -D_LARGEFILE64_SOURCE
CFLAGS_MIN += -D_FILE_OFFSET_BITS=64
CFLAGS_MIN += -DVERSION_STRING=\"$(VERSION_STRING)\"
CFLAGS_MIN += -DVERSION_LONG=\"$(VERSION_LONG)\"
CFLAGS_MIN += -DETCDIRE_STRING=\"$(ETCDIRE)\"
CFLAGS_MIN += -DDATDIR_STRING=\"$(DATDIR)\"

WFLAGS_DEF  = -Wall

CPPFLAGS  ?=
CFLAGS    ?= $(CFLAGS_DEF) $(WFLAGS_DEF) $(CPPFLAGS)
override CFLAGS += $(CFLAGS_MIN) -I.

LEX_FLAGS  =
YAAC_FLAGS =

LDFLAGS   ?=
ifeq ("$(origin CROSS_LD_LIBRARY_PATH)", "command line")
  LDFLAGS += -L$(CROSS_LD_LIBRARY_PATH)
endif

CHECKFLAGS = -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix \
	     -Wbitwise -Wnoreturn-void

VERSION_SHORT  =  $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
VERSION_STRING = "$(VERSION_SHORT)$(CONFIG_RC)"
VERSION_LONG   = "$(VERSION_SHORT)$(CONFIG_RC) ($(NAME))"

export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION
export DEBUG HARDENING

ifneq ("$(TERM)", "")
  bold   = $(shell tput bold)
  normal = $(shell tput sgr0)
else
  bold   =
  normal =
endif

ifneq ("$(CROSS_COMPILE)", "")
  WHAT := Cross-compiling
else
  WHAT := Building
endif

build_showinfo:
	$(Q)echo "$(bold)$(WHAT) netsniff-ng toolkit ($(VERSION_STRING)) for" \
	      $(shell $(CCNQ) -dumpmachine)":$(normal)"
clean_showinfo:
	$(Q)echo "$(bold)Cleaning netsniff-ng toolkit ($(VERSION_STRING)):$(normal)"

.PHONY: all toolkit $(TOOLS) clean %_prehook %_clean %_install %_uninstall tag tags cscope
.IGNORE: %_clean_custom %_install_custom
.NOTPARALLEL: $(TOOLS)
.DEFAULT_GOAL := all
.DEFAULT:
.FORCE:

all: build_showinfo toolkit
allbutcurvetun: $(filter-out curvetun,$(TOOLS))
allbutmausezahn: $(filter-out mausezahn,$(TOOLS))
toolkit: $(TOOLS)
clean: $(foreach tool,$(TOOLS),$(tool)_clean)
distclean: clean
	$(Q)$(call RM,Config)
	$(Q)$(call RM,config.h)
	$(Q)$(call RM,config.log)
	$(Q)$(call RM,cov-int)
	$(Q)$(call RM,netsniff-ng-coverity.tgz)
mrproper: distclean
	$(Q)$(GIT_REM)

install: install_all
install_all: $(foreach tool,$(TOOLS),$(tool)_install)
	$(Q)$(call INSTD,$(DESTDIR)$(DATDIR))
install_allbutcurvetun: $(foreach tool,$(filter-out curvetun,$(TOOLS)),$(tool)_install)
install_allbutmausezahn: $(foreach tool,$(filter-out mausezahn,$(TOOLS)),$(tool)_install)
uninstall: $(foreach tool,$(TOOLS),$(tool)_uninstall)

%.yy.o: %.l
	$(LEXQ) -P $(shell sed -rn 's/.*lex-func-prefix:\s([a-z]+).*/\1/gp' $<) \
	        -o $(BUILD_DIR)/$(shell basename $< .l).yy.c $(LEX_FLAGS) $<
%.tab.o: %.y
	$(YACCQ) -p $(shell sed -rn 's/.*yacc-func-prefix:\s([a-z]+).*/\1/gp' $<) \
		 -o $(BUILD_DIR)/$(shell basename $< .y).tab.c $(YAAC_FLAGS) -d $<

$(foreach tool,$(TOOLS),$(eval $(call TOOL_templ,$(tool))))

%:: ;

$(TOOLS):
	$(LDQ) $(LDFLAGS) -o $@/$@ $(shell LC_ALL=C ls $@/*.o) $($@-libs)