extensions/GNUmakefile.in

   1 # -*- Makefile -*-
   2
   3 top_builddir := @top_builddir@
   4 builddir     := @builddir@
   5 top_srcdir  := @top_srcdir@
   6 srcdir      := @srcdir@
   7 ksourcedir  := @ksourcedir@
   8 prefix      := @prefix@
   9 exec_prefix := @exec_prefix@
  10 libdir      := @libdir@
  11 libexecdir  := @libexecdir@
  12 xtlibdir    := @xtlibdir@
  13
  14 CC             := @CC@
  15 CCLD           := ${CC}
  16 CFLAGS         := @CFLAGS@
  17 LDFLAGS        := @LDFLAGS@
  18 regular_CFLAGS := @regular_CFLAGS@
  19 kinclude_CFLAGS := @kinclude_CFLAGS@
  20
  21 AM_CFLAGS      := ${regular_CFLAGS} -I${top_builddir}/include -I${top_srcdir}/include ${kinclude_CFLAGS}
  22 AM_DEPFLAGS     = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@
  23
  24 ifeq (${V},)
  25 AM_LIBTOOL_SILENT = --silent
  26 AM_VERBOSE_CC     = @echo "  CC      " $@;
  27 AM_VERBOSE_CCLD   = @echo "  CCLD    " $@;
  28 AM_VERBOSE_CXX    = @echo "  CXX     " $@;
  29 AM_VERBOSE_CXXLD  = @echo "  CXXLD   " $@;
  30 AM_VERBOSE_AR     = @echo "  AR      " $@;
  31 AM_VERBOSE_GEN    = @echo "  GEN     " $@;
  32 endif
  33
  34 #
  35 #       Wildcard module list
  36 #
  37 pfx_build_mod := $(patsubst ${srcdir}/libxt_%.c,%,$(wildcard ${srcdir}/libxt_*.c))
  38 pf4_build_mod := $(patsubst ${srcdir}/libipt_%.c,%,$(wildcard ${srcdir}/libipt_*.c))
  39 pf6_build_mod := $(patsubst ${srcdir}/libip6t_%.c,%,$(wildcard ${srcdir}/libip6t_*.c))
  40 pfx_build_mod := $(filter-out @blacklist_modules@,${pfx_build_mod})
  41 pf4_build_mod := $(filter-out @blacklist_modules@,${pf4_build_mod})
  42 pf6_build_mod := $(filter-out @blacklist_modules@,${pf6_build_mod})
  43 pfx_objs      := $(patsubst %,libxt_%.o,${pfx_build_mod})
  44 pf4_objs      := $(patsubst %,libipt_%.o,${pf4_build_mod})
  45 pf6_objs      := $(patsubst %,libip6t_%.o,${pf6_build_mod})
  46 pfx_solibs    := $(patsubst %,libxt_%.so,${pfx_build_mod})
  47 pf4_solibs    := $(patsubst %,libipt_%.so,${pf4_build_mod})
  48 pf6_solibs    := $(patsubst %,libip6t_%.so,${pf6_build_mod})
  49
  50
  51 #
  52 # Building blocks
  53 #
  54 targets := libext4.a libext6.a matches4.man matches6.man \
  55            targets4.man targets6.man
  56 targets_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
  66 all: ${targets}
  67
  68 install: ${targets_install}
  69         @mkdir -p "${DESTDIR}${xtlibdir}";
  70         if test -n "${targets_install}"; then install -pm0755 $^ "${DESTDIR}${xtlibdir}/"; fi;
  71
  72 clean:
  73         rm -f *.o *.oo *.so *.a {matches,targets}[46].man initext4.c initext6.c;
  74
  75 distclean: clean
  76         rm -f .*.d .*.dd;
  77
  78 init%.o: ${srcdir}/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 #
  87 lib%.so: lib%.oo
  88         ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@ $<;
  89
  90 lib%.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 #
 101 lib%.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
 104 libext4.a: initext4.o ${libext4_objs}
 105         ${AM_VERBOSE_AR} ${AR} crs $@ $^;
 106
 107 libext6.a: initext6.o ${libext6_objs}
 108         ${AM_VERBOSE_AR} ${AR} crs $@ $^;
 109
 110 initext_func  := $(addprefix xt_,${pfx_build_mod}) $(addprefix ipt_,${pf4_build_mod})
 111 initext6_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
 123 initext4.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
 139 initext6.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 #
 158 ex_matches = $(sort $(shell echo $(1) | grep -Eo '\b[a-z0-9]+\b'))
 159 ex_targets = $(sort $(shell echo $(1) | grep -Eo '\b[A-Z0-9]+\b'))
 160 man_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}/libipt_$$ext.man"; \
 170                 if [ -f "$$f" ]; then \
 171                         echo ".SS $$ext"; \
 172                         cat "$$f"; \
 173                         continue; \
 174                 fi; \
 175                 f="${srcdir}/libip6t_$$ext.man"; \
 176                 if [ -f "$$f" ]; then \
 177                         echo ".SS $$ext"; \
 178                         cat "$$f"; \
 179                         continue; \
 180                 fi; \
 181         done >$@;
 182
 183 matches4.man: .initext4.dd $(wildcard ${srcdir}/lib*.man)
 184         $(call man_run,$(call ex_matches,${pfx_build_mod} ${pf4_build_mod}))
 185
 186 matches6.man: .initext6.dd $(wildcard ${srcdir}/lib*.man)
 187         $(call man_run,$(call ex_matches,${pfx_build_mod} ${pf6_build_mod}))
 188
 189 targets4.man: .initext4.dd $(wildcard ${srcdir}/lib*.man)
 190         $(call man_run,$(call ex_targets,${pfx_build_mod} ${pf4_build_mod}))
 191
 192 targets6.man: .initext6.dd $(wildcard ${srcdir}/lib*.man)
 193         $(call man_run,$(call ex_targets,${pfx_build_mod} ${pf6_build_mod}))