GNUmakefile.in revision 8e58613df53f5f83e8ab92dec61d8065c68d967d 
1# -*- Makefile -*-
2
3top_builddir := @top_builddir@
4builddir     := @builddir@
5top_srcdir  := @top_srcdir@
6srcdir      := @srcdir@
7ksourcedir  := @ksourcedir@
8prefix      := @prefix@
9exec_prefix := @exec_prefix@
10libdir      := @libdir@
11libexecdir  := @libexecdir@
12xtlibdir    := @xtlibdir@
13
14CC             := @CC@
15CCLD           := ${CC}
16CFLAGS         := @CFLAGS@
17LDFLAGS        := @LDFLAGS@
18regular_CFLAGS := @regular_CFLAGS@
19kinclude_CFLAGS := @kinclude_CFLAGS@
20
21AM_CFLAGS      := ${regular_CFLAGS} -I${top_builddir}/include -I${top_srcdir}/include ${kinclude_CFLAGS}
22AM_DEPFLAGS     = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@
23
24ifeq (${V},)
25AM_LIBTOOL_SILENT = --silent
26AM_VERBOSE_CC     = @echo "  CC      " $@;
27AM_VERBOSE_CCLD   = @echo "  CCLD    " $@;
28AM_VERBOSE_CXX    = @echo "  CXX     " $@;
29AM_VERBOSE_CXXLD  = @echo "  CXXLD   " $@;
30AM_VERBOSE_AR     = @echo "  AR      " $@;
31AM_VERBOSE_GEN    = @echo "  GEN     " $@;
32endif
33
34#
35#	Wildcard module list
36#
37pfx_build_mod := $(patsubst ${srcdir}/libxt_%.c,%,$(wildcard ${srcdir}/libxt_*.c))
38pf4_build_mod := $(patsubst ${srcdir}/libipt_%.c,%,$(wildcard ${srcdir}/libipt_*.c))
39@ENABLE_IPV6_TRUE@ pf6_build_mod := $(patsubst ${srcdir}/libip6t_%.c,%,$(wildcard ${srcdir}/libip6t_*.c))
40pfx_build_mod := $(filter-out @blacklist_modules@,${pfx_build_mod})
41pf4_build_mod := $(filter-out @blacklist_modules@,${pf4_build_mod})
42pf6_build_mod := $(filter-out @blacklist_modules@,${pf6_build_mod})
43pfx_objs      := $(patsubst %,libxt_%.o,${pfx_build_mod})
44pf4_objs      := $(patsubst %,libipt_%.o,${pf4_build_mod})
45pf6_objs      := $(patsubst %,libip6t_%.o,${pf6_build_mod})
46pfx_solibs    := $(patsubst %,libxt_%.so,${pfx_build_mod})
47pf4_solibs    := $(patsubst %,libipt_%.so,${pf4_build_mod})
48pf6_solibs    := $(patsubst %,libip6t_%.so,${pf6_build_mod})
49
50
51#
52# Building blocks
53#
54targets := libext4.a libext6.a matches4.man matches6.man \
55           targets4.man targets6.man
56targets_install :=
57@ENABLE_STATIC_TRUE@ libext4_objs := ${pfx_objs} ${pf4_objs}
58@ENABLE_STATIC_TRUE@ libext6_objs := ${pfx_objs} ${pf6_objs}
59@ENABLE_SHARED_TRUE@ targets += ${pfx_solibs} ${pf4_solibs} ${pf6_solibs}
60@ENABLE_SHARED_TRUE@ targets_install += ${pfx_solibs} ${pf4_solibs} ${pf6_solibs}
61
62.SECONDARY:
63
64.PHONY: all install clean distclean FORCE
65
66all: ${targets}
67
68install: ${targets_install}
69	@mkdir -p "${DESTDIR}${xtlibdir}";
70	if test -n "${targets_install}"; then install -pm0755 $^ "${DESTDIR}${xtlibdir}/"; fi;
71
72clean:
73	rm -f *.o *.oo *.so *.a {matches,targets}[46].man initext4.c initext6.c;
74
75distclean: clean
76	rm -f .*.d .*.dd;
77
78init%.o: init%.c
79	${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -D_INIT=$*_init ${CFLAGS} -o $@ -c $<;
80
81-include .*.d
82
83
84#
85#	Shared libraries
86#
87lib%.so: lib%.oo
88	${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@ $<;
89
90lib%.oo: ${srcdir}/lib%.c
91	${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -D_INIT=lib$*_init -DPIC -fPIC ${CFLAGS} -o $@ -c $<;
92
93
94#
95#	Static bits
96#
97#	If static building is disabled, libext*.a will still be generated,
98#	but will be empty. This is good since we can do with less case
99#	handling code in the Makefiles.
100#
101lib%.o: ${srcdir}/lib%.c
102	${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -DNO_SHARED_LIBS=1 -D_INIT=lib$*_init ${CFLAGS} -o $@ -c $<;
103
104libext4.a: initext4.o ${libext4_objs}
105	${AM_VERBOSE_AR} ${AR} crs $@ $^;
106
107libext6.a: initext6.o ${libext6_objs}
108	${AM_VERBOSE_AR} ${AR} crs $@ $^;
109
110initext_func  := $(addprefix xt_,${pfx_build_mod}) $(addprefix ipt_,${pf4_build_mod})
111initext6_func := $(addprefix xt_,${pfx_build_mod}) $(addprefix ip6t_,${pf6_build_mod})
112
113.initext4.dd: FORCE
114	@echo "${initext_func}" >$@.tmp; \
115	cmp -s $@ $@.tmp || mv $@.tmp $@; \
116	rm -f $@.tmp;
117
118.initext6.dd: FORCE
119	@echo "${initext6_func}" >$@.tmp; \
120	cmp -s $@ $@.tmp || mv $@.tmp $@; \
121	rm -f $@.tmp;
122
123initext4.c: .initext4.dd
124	${AM_VERBOSE_GEN}
125	@( \
126	echo "" >$@; \
127	for i in ${initext_func}; do \
128		echo "extern void lib$${i}_init(void);" >>$@; \
129	done; \
130	echo "void init_extensions(void);" >>$@; \
131	echo "void init_extensions(void)" >>$@; \
132	echo "{" >>$@; \
133	for i in ${initext_func}; do \
134		echo  " ""lib$${i}_init();" >>$@; \
135	done; \
136	echo "}" >>$@; \
137	);
138
139initext6.c: .initext6.dd
140	${AM_VERBOSE_GEN}
141	@( \
142	echo "" >$@; \
143	for i in ${initext6_func}; do \
144		echo "extern void lib$${i}_init(void);" >>$@; \
145	done; \
146	echo "void init_extensions(void);" >>$@; \
147	echo "void init_extensions(void)" >>$@; \
148	echo "{" >>$@; \
149	for i in ${initext6_func}; do \
150		echo " ""lib$${i}_init();" >>$@; \
151	done; \
152	echo "}" >>$@; \
153	);
154
155#
156#	Manual pages
157#
158ex_matches = $(sort $(shell echo $(1) | grep -Eo '\b[a-z0-9]+\b'))
159ex_targets = $(sort $(shell echo $(1) | grep -Eo '\b[A-Z0-9]+\b'))
160man_run    = \
161	${AM_VERBOSE_GEN} \
162	for ext in $(1); do \
163		f="${srcdir}/libxt_$$ext.man"; \
164		if [ -f "$$f" ]; then \
165			echo ".SS $$ext"; \
166			cat "$$f"; \
167			continue; \
168		fi; \
169		f="${srcdir}/lib$(2)t_$$ext.man"; \
170		if [ -f "$$f" ]; then \
171			echo ".SS $$ext"; \
172			cat "$$f"; \
173			continue; \
174		fi; \
175	done >$@;
176
177matches4.man: .initext4.dd $(wildcard ${srcdir}/lib*.man)
178	$(call man_run,$(call ex_matches,${pfx_build_mod} ${pf4_build_mod}),ip)
179
180matches6.man: .initext6.dd $(wildcard ${srcdir}/lib*.man)
181	$(call man_run,$(call ex_matches,${pfx_build_mod} ${pf6_build_mod}),ip6)
182
183targets4.man: .initext4.dd $(wildcard ${srcdir}/lib*.man)
184	$(call man_run,$(call ex_targets,${pfx_build_mod} ${pf4_build_mod}),ip)
185
186targets6.man: .initext6.dd $(wildcard ${srcdir}/lib*.man)
187	$(call man_run,$(call ex_targets,${pfx_build_mod} ${pf6_build_mod}),ip6)
188