GNUmakefile.in revision ac21a5cb811dad7928c34534cae24427068dd440 
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))
39pf6_build_mod := $(patsubst ${srcdir}/libip6t_%.c,%,$(wildcard ${srcdir}/libip6t_*.c))
40pfx_objs      := $(patsubst %,libxt_%.o,${pfx_build_mod})
41pf4_objs      := $(patsubst %,libipt_%.o,${pf4_build_mod})
42pf6_objs      := $(patsubst %,libip6t_%.o,${pf6_build_mod})
43pfx_solibs    := $(patsubst %,libxt_%.so,${pfx_build_mod})
44pf4_solibs    := $(patsubst %,libipt_%.so,${pf4_build_mod})
45pf6_solibs    := $(patsubst %,libip6t_%.so,${pf6_build_mod})
46
47
48#
49# Building blocks
50#
51targets := libext4.a libext6.a matches4.man matches6.man \
52           targets4.man targets6.man
53targets_install :=
54@ENABLE_STATIC_TRUE@ libext4_objs := ${pfx_objs} ${pf4_objs}
55@ENABLE_STATIC_TRUE@ libext6_objs := ${pfx_objs} ${pf6_objs}
56@ENABLE_SHARED_TRUE@ targets += ${pfx_solibs} ${pf4_solibs} ${pf6_solibs}
57@ENABLE_SHARED_TRUE@ targets_install += ${pfx_solibs} ${pf4_solibs} ${pf6_solibs}
58
59.SECONDARY:
60
61.PHONY: all install clean distclean FORCE
62
63all: ${targets}
64
65install: ${targets_install}
66	@mkdir -p "${DESTDIR}${xtlibdir}";
67	install -pm0755 $^ "${DESTDIR}${xtlibdir}/";
68
69clean:
70	rm -f *.o *.oo *.so *.a {matches,targets}[46].man initext4.c initext6.c;
71
72distclean: clean
73	rm -f .*.d .*.dd;
74
75init%.o: ${srcdir}/init%.c
76	${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -D_INIT=$*_init ${CFLAGS} -o $@ -c $<;
77
78-include .*.d
79
80
81#
82#	Shared libraries
83#
84lib%.so: lib%.oo
85	${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@ $<;
86
87lib%.oo: ${srcdir}/lib%.c
88	${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -D_INIT=lib$*_init -DPIC -fPIC ${CFLAGS} -o $@ -c $<;
89
90
91#
92#	Static bits
93#
94#	If static building is disabled, libext*.a will still be generated,
95#	but will be empty. This is good since we can do with less case
96#	handling code in the Makefiles.
97#
98lib%.o: ${srcdir}/lib%.c
99	${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -DNO_SHARED_LIBS=1 -D_INIT=lib$*_init ${CFLAGS} -o $@ -c $<;
100
101libext4.a: initext4.o ${libext4_objs}
102	${AM_VERBOSE_AR} ${AR} crs $@ $^;
103
104libext6.a: initext6.o ${libext6_objs}
105	${AM_VERBOSE_AR} ${AR} crs $@ $^;
106
107initext_func  := $(addprefix xt_,${pfx_build_mod}) $(addprefix ipt_,${pf4_build_mod})
108initext6_func := $(addprefix xt_,${pfx_build_mod}) $(addprefix ip6t_,${pf6_build_mod})
109
110.initext4.dd: FORCE
111	@echo "${initext_func}" >$@.tmp; \
112	cmp -s $@ $@.tmp || mv $@.tmp $@; \
113	rm -f $@.tmp;
114
115.initext6.dd: FORCE
116	@echo "${initext6_func}" >$@.tmp; \
117	cmp -s $@ $@.tmp || mv $@.tmp $@; \
118	rm -f $@.tmp;
119
120initext4.c: .initext4.dd
121	${AM_VERBOSE_GEN}
122	@( \
123	echo "" >$@; \
124	for i in ${initext_func}; do \
125		echo "extern void lib$${i}_init(void);" >>$@; \
126	done; \
127	echo -en "void init_extensions(void);\n" >>$@; \
128	echo -en "void init_extensions(void)\n""{\n" >>$@; \
129	for i in ${initext_func}; do \
130		echo -e "\t""lib$${i}_init();" >>$@; \
131	done; \
132	echo "}" >>$@; \
133	);
134
135initext6.c: .initext6.dd
136	${AM_VERBOSE_GEN}
137	@( \
138	echo "" >$@; \
139	for i in ${initext6_func}; do \
140		echo "extern void lib$${i}_init(void);" >>$@; \
141	done; \
142	echo -en "void init_extensions(void);\n" >>$@; \
143	echo -en "void init_extensions(void)\n""{\n" >>$@; \
144	for i in ${initext6_func}; do \
145		echo -e "\t""lib$${i}_init();" >>$@; \
146	done; \
147	echo "}" >>$@; \
148	);
149
150#
151#	Manual pages
152#
153ex_matches = $(sort $(shell echo $(1) | grep -Eo '\b[a-z0-9]+\b'))
154ex_targets = $(sort $(shell echo $(1) | grep -Eo '\b[A-Z0-9]+\b'))
155man_run    = \
156	${AM_VERBOSE_GEN} \
157	for ext in $(1); do \
158		f="${srcdir}/libxt_$$ext.man"; \
159		if [ -f "$$f" ]; then \
160			echo ".SS $$ext"; \
161			cat "$$f"; \
162			continue; \
163		fi; \
164		f="${srcdir}/libipt_$$ext.man"; \
165		if [ -f "$$f" ]; then \
166			echo ".SS $$ext"; \
167			cat "$$f"; \
168			continue; \
169		fi; \
170		f="${srcdir}/libip6t_$$ext.man"; \
171		if [ -f "$$f" ]; then \
172			echo ".SS $$ext"; \
173			cat "$$f"; \
174			continue; \
175		fi; \
176	done >$@;
177
178matches4.man: .initext4.dd $(wildcard ${srcdir}/lib*.man)
179	$(call man_run,$(call ex_matches,${pfx_build_mod} ${pf4_build_mod}))
180
181matches6.man: .initext6.dd $(wildcard ${srcdir}/lib*.man)
182	$(call man_run,$(call ex_matches,${pfx_build_mod} ${pf6_build_mod}))
183
184targets4.man: .initext4.dd $(wildcard ${srcdir}/lib*.man)
185	$(call man_run,$(call ex_targets,${pfx_build_mod} ${pf4_build_mod}))
186
187targets6.man: .initext6.dd $(wildcard ${srcdir}/lib*.man)
188	$(call man_run,$(call ex_targets,${pfx_build_mod} ${pf6_build_mod}))
189