GNUmakefile.in revision a99cb4444ceff1b0029c7e25b0714dbee9021b12 
1# -*- Makefile -*-
2
3top_srcdir  := @top_srcdir@
4srcdir      := @srcdir@
5ksourcedir  := @ksourcedir@
6prefix      := @prefix@
7exec_prefix := @exec_prefix@
8libdir      := @libdir@
9libexecdir  := @libexecdir@
10iptdir      := @iptdir@
11
12CC             := @CC@
13CCLD           := ${CC}
14CFLAGS         := @CFLAGS@
15LDFLAGS        := @LDFLAGS@
16regular_CFLAGS := @regular_CFLAGS@
17kinclude_CFLAGS := @kinclude_CFLAGS@
18
19AM_CFLAGS      := ${regular_CFLAGS} -I${top_srcdir}/include ${kinclude_CFLAGS}
20AM_DEPFLAGS     = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@
21
22ifeq (${V},)
23AM_LIBTOOL_SILENT = --silent
24AM_VERBOSE_CC     = @echo "  CC      " $@;
25AM_VERBOSE_CCLD   = @echo "  CCLD    " $@;
26AM_VERBOSE_CXX    = @echo "  CXX     " $@;
27AM_VERBOSE_CXXLD  = @echo "  CXXLD   " $@;
28AM_VERBOSE_AR     = @echo "  AR      " $@;
29AM_VERBOSE_GEN    = @echo "  GEN     " $@;
30endif
31
32#
33#	Wildcard module list
34#
35pfx_all_mod := $(patsubst ${srcdir}/libxt_%.c,%,$(wildcard ${srcdir}/libxt_*.c))
36pf4_all_mod := $(patsubst ${srcdir}/libipt_%.c,%,$(wildcard ${srcdir}/libipt_*.c))
37pf6_all_mod := $(patsubst ${srcdir}/libip6t_%.c,%,$(wildcard ${srcdir}/libip6t_*.c))
38
39#
40#	Conditional module list
41#
42pfx_cond_mod := $(foreach i,$(wildcard ${srcdir}/.*-testx),$(shell KERNEL_DIR=${ksourcedir} ${i} provides))
43pf4_cond_mod := $(foreach i,$(wildcard ${srcdir}/.*-test),$(shell KERNEL_DIR=${ksourcedir} ${i} provides))
44pf6_cond_mod := $(foreach i,$(wildcard ${srcdir}/.*-test6),$(shell KERNEL_DIR=${ksourcedir} ${i} provides))
45
46#
47#	Conditional modules to build
48#
49pfx_bc_mod := $(foreach i,$(wildcard ${srcdir}/.*-testx),$(shell KERNEL_DIR=${ksourcedir} ${i}))
50pf4_bc_mod := $(foreach i,$(wildcard ${srcdir}/.*-test),$(shell KERNEL_DIR=${ksourcedir} ${i}))
51pf6_bc_mod := $(foreach i,$(wildcard ${srcdir}/.*-test6),$(shell KERNEL_DIR=${ksourcedir} ${i}))
52
53#
54#	Total list of modules to build
55#
56pfx_build_mod := $(filter-out ${pfx_cond_mod},${pfx_all_mod}) ${pfx_bc_mod}
57pf4_build_mod := $(filter-out ${pf4_cond_mod},${pf4_all_mod}) ${pf4_bc_mod}
58pf6_build_mod := $(filter-out ${pf6_cond_mod},${pf6_all_mod}) ${pf6_bc_mod}
59pfx_objs      := $(patsubst %,libxt_%.o,${pfx_build_mod})
60pf4_objs      := $(patsubst %,libipt_%.o,${pf4_build_mod})
61pf6_objs      := $(patsubst %,libip6t_%.o,${pf6_build_mod})
62pfx_solibs    := $(patsubst %,libxt_%.so,${pfx_build_mod})
63pf4_solibs    := $(patsubst %,libipt_%.so,${pf4_build_mod})
64pf6_solibs    := $(patsubst %,libip6t_%.so,${pf6_build_mod})
65
66
67#
68# Building blocks
69#
70targets := libext4.a libext6.a matches4.man matches6.man \
71           targets4.man targets6.man
72targets_install :=
73@ENABLE_STATIC_TRUE@ libext4_objs := ${pfx_objs} ${pf4_objs}
74@ENABLE_STATIC_TRUE@ libext6_objs := ${pfx_objs} ${pf6_objs}
75@ENABLE_SHARED_TRUE@ targets += ${pfx_solibs} ${pf4_solibs} ${pf6_solibs}
76@ENABLE_SHARED_TRUE@ targets_install += ${pfx_solibs} ${pf4_solibs} ${pf6_solibs}
77
78.SECONDARY:
79
80.PHONY: all install clean distclean FORCE
81
82all: ${targets}
83
84install: ${targets_install}
85	@mkdir -p "${DESTDIR}${iptdir}";
86	install -pm0755 $^ "${DESTDIR}${iptdir}/";
87
88clean:
89	rm -f *.o *.oo *.so *.a {matches,targets}[46].man initext4.c initext6.c;
90
91distclean: clean
92	rm -f .*.d .*.dd;
93
94%.o: %.c
95	${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -D_INIT=$*_init ${CFLAGS} -o $@ -c $<;
96
97-include .*.d
98
99
100#
101#	Shared libraries
102#
103lib%.so: lib%.oo
104	${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@ $<;
105
106lib%.oo: ${srcdir}/lib%.c
107	${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -D_INIT=$*_init -DPIC -fPIC ${CFLAGS} -o $@ -c $<;
108
109
110#
111#	Static bits
112#
113#	If static building is disabled, libext*.a will still be generated,
114#	but will be empty. This is good since we can do with less case
115#	handling code in the Makefiles.
116#
117lib%.o: ${srcdir}/lib%.c
118	${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -DNO_SHARED_LIBS=1 -D_INIT=$*_init ${CFLAGS} -o $@ -c $<;
119
120libext4.a: initext4.o ${libext4_objs}
121	${AM_VERBOSE_AR} ${AR} crs $@ $^;
122
123libext6.a: initext6.o ${libext6_objs}
124	${AM_VERBOSE_AR} ${AR} crs $@ $^;
125
126initext_func  := $(addprefix xt_,${pfx_build_mod}) $(addprefix ipt_,${pf4_build_mod})
127initext6_func := $(addprefix xt_,${pfx_build_mod}) $(addprefix ip6t_,${pf6_build_mod})
128
129.initext4.dd: FORCE
130	@echo "${initext_func}" >$@.tmp; \
131	cmp -s $@ $@.tmp || mv $@.tmp $@; \
132	rm -f $@.tmp;
133
134.initext6.dd: FORCE
135	@echo "${initext6_func}" >$@.tmp; \
136	cmp -s $@ $@.tmp || mv $@.tmp $@; \
137	rm -f $@.tmp;
138
139initext4.c: .initext4.dd
140	${AM_VERBOSE_GEN}
141	@( \
142	echo "" >$@; \
143	for i in ${initext_func}; do \
144		echo "extern void lib$${i}_init(void);" >>$@; \
145	done; \
146	echo -en "void init_extensions(void)\n""{\n" >>$@; \
147	for i in ${initext_func}; do \
148		echo -e "\t""lib$${i}_init();" >>$@; \
149	done; \
150	echo "}" >>$@; \
151	);
152
153initext6.c: .initext6.dd
154	${AM_VERBOSE_GEN}
155	@( \
156	echo "" >$@; \
157	for i in ${initext6_func}; do \
158		echo "extern void lib$${i}_init(void);" >>$@; \
159	done; \
160	echo -en "void init_extensions(void)\n""{\n" >>$@; \
161	for i in ${initext6_func}; do \
162		echo -e "\t""lib$${i}_init();" >>$@; \
163	done; \
164	echo "}" >>$@; \
165	);
166
167#
168#	Manual pages
169#
170ex_matches = $(sort $(shell echo $(1) | grep -Eo '\b[a-z0-9]+\b'))
171ex_targets = $(sort $(shell echo $(1) | grep -Eo '\b[A-Z0-9]+\b'))
172man_run    = \
173	${AM_VERBOSE_GEN} \
174	for ext in $(1); do \
175		f="${srcdir}/libxt_$$ext.man"; \
176		if [ -f "$$f" ]; then \
177			echo ".SS $$ext"; \
178			cat "$$f"; \
179			continue; \
180		fi; \
181		f="${srcdir}/libipt_$$ext.man"; \
182		if [ -f "$$f" ]; then \
183			echo ".SS $$ext"; \
184			cat "$$f"; \
185			continue; \
186		fi; \
187		f="${srcdir}/libip6t_$$ext.man"; \
188		if [ -f "$$f" ]; then \
189			echo ".SS $$ext"; \
190			cat "$$f"; \
191			continue; \
192		fi; \
193	done >$@;
194
195matches4.man: .initext4.dd $(wildcard ${srcdir}/lib*.man)
196	$(call man_run,$(call ex_matches,${pfx_build_mod} ${pf4_build_mod}))
197
198matches6.man: .initext6.dd $(wildcard ${srcdir}/lib*.man)
199	$(call man_run,$(call ex_matches,${pfx_build_mod} ${pf6_build_mod}))
200
201targets4.man: .initext4.dd $(wildcard ${srcdir}/lib*.man)
202	$(call man_run,$(call ex_targets,${pfx_build_mod} ${pf4_build_mod}))
203
204targets6.man: .initext6.dd $(wildcard ${srcdir}/lib*.man)
205	$(call man_run,$(call ex_targets,${pfx_build_mod} ${pf6_build_mod}))
206