summaryrefslogtreecommitdiffstats
path: root/extensions/GNUmakefile.in
diff options
context:
space:
mode:
Diffstat (limited to 'extensions/GNUmakefile.in')
-rw-r--r--extensions/GNUmakefile.in204
1 files changed, 204 insertions, 0 deletions
diff --git a/extensions/GNUmakefile.in b/extensions/GNUmakefile.in
new file mode 100644
index 00000000..29a8ca62
--- /dev/null
+++ b/extensions/GNUmakefile.in
@@ -0,0 +1,204 @@
+# -*- Makefile -*-
+
+top_srcdir := @top_srcdir@
+srcdir := @srcdir@
+ksourcedir := @ksourcedir@
+prefix := @prefix@
+exec_prefix := @exec_prefix@
+libdir := @libdir@
+libexecdir := @libexecdir@
+iptdir := @iptdir@
+
+CC := @CC@
+CCLD := ${CC}
+CFLAGS := @CFLAGS@
+LDFLAGS := @LDFLAGS@
+regular_CFLAGS := @regular_CFLAGS@
+
+AM_CFLAGS := ${regular_CFLAGS} -I${top_srcdir}/include
+AM_DEPFLAGS = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@
+
+ifeq (${V},)
+AM_LIBTOOL_SILENT = --silent
+AM_VERBOSE_CC = @echo " CC " $@;
+AM_VERBOSE_CCLD = @echo " CCLD " $@;
+AM_VERBOSE_CXX = @echo " CXX " $@;
+AM_VERBOSE_CXXLD = @echo " CXXLD " $@;
+AM_VERBOSE_AR = @echo " AR " $@;
+AM_VERBOSE_GEN = @echo " GEN " $@;
+endif
+
+#
+# Wildcard module list
+#
+pfx_all_mod := $(patsubst ${srcdir}/libxt_%.c,%,$(wildcard ${srcdir}/libxt_*.c))
+pf4_all_mod := $(patsubst ${srcdir}/libipt_%.c,%,$(wildcard ${srcdir}/libipt_*.c))
+pf6_all_mod := $(patsubst ${srcdir}/libip6t_%.c,%,$(wildcard ${srcdir}/libip6t_*.c))
+
+#
+# Conditional module list
+#
+pfx_cond_mod := $(foreach i,$(wildcard ${srcdir}/.*-testx),$(shell KERNEL_DIR=${ksourcedir} ${i} provides))
+pf4_cond_mod := $(foreach i,$(wildcard ${srcdir}/.*-test),$(shell KERNEL_DIR=${ksourcedir} ${i} provides))
+pf6_cond_mod := $(foreach i,$(wildcard ${srcdir}/.*-test6),$(shell KERNEL_DIR=${ksourcedir} ${i} provides))
+
+#
+# Conditional modules to build
+#
+pfx_bc_mod := $(foreach i,$(wildcard ${srcdir}/.*-testx),$(shell KERNEL_DIR=${ksourcedir} ${i}))
+pf4_bc_mod := $(foreach i,$(wildcard ${srcdir}/.*-test),$(shell KERNEL_DIR=${ksourcedir} ${i}))
+pf6_bc_mod := $(foreach i,$(wildcard ${srcdir}/.*-test6),$(shell KERNEL_DIR=${ksourcedir} ${i}))
+
+#
+# Total list of modules to build
+#
+pfx_build_mod := $(filter-out ${pfx_cond_mod},${pfx_all_mod}) ${pfx_bc_mod}
+pf4_build_mod := $(filter-out ${pf4_cond_mod},${pf4_all_mod}) ${pf4_bc_mod}
+pf6_build_mod := $(filter-out ${pf6_cond_mod},${pf6_all_mod}) ${pf6_bc_mod}
+pfx_objs := $(patsubst %,libxt_%.o,${pfx_build_mod})
+pf4_objs := $(patsubst %,libipt_%.o,${pf4_build_mod})
+pf6_objs := $(patsubst %,libip6t_%.o,${pf6_build_mod})
+pfx_solibs := $(patsubst %,libxt_%.so,${pfx_build_mod})
+pf4_solibs := $(patsubst %,libipt_%.so,${pf4_build_mod})
+pf6_solibs := $(patsubst %,libip6t_%.so,${pf6_build_mod})
+
+
+#
+# Building blocks
+#
+targets := libext4.a libext6.a matches4.man matches6.man \
+ targets4.man targets6.man
+targets_install :=
+@ENABLE_STATIC_TRUE@ libext4_objs := ${pfx_objs} ${pf4_objs}
+@ENABLE_STATIC_TRUE@ libext6_objs := ${pfx_objs} ${pf6_objs}
+@ENABLE_SHARED_TRUE@ targets += ${pfx_solibs} ${pf4_solibs} ${pf6_solibs}
+@ENABLE_SHARED_TRUE@ targets_install += ${pfx_solibs} ${pf4_solibs} ${pf6_solibs}
+
+.SECONDARY:
+
+.PHONY: all install clean distclean FORCE
+
+all: ${targets}
+
+install: ${targets_install}
+ @mkdir -p "${DESTDIR}${iptdir}";
+ install -pm0755 $^ "${DESTDIR}${iptdir}/";
+
+clean:
+ rm -f *.o *.oo *.so *.a {matches,targets}[46].man initext4.c initext6.c;
+
+distclean: clean
+ rm -f .*.d *.dd;
+
+%.o: %.c
+ ${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -D_INIT=$*_init ${CFLAGS} -o $@ -c $<;
+
+-include .*.d
+
+
+#
+# Shared libraries
+#
+lib%.so: lib%.oo
+ ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@ $<;
+
+lib%.oo: ${srcdir}/lib%.c
+ ${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -D_INIT=$*_init -DPIC -fPIC ${CFLAGS} -o $@ -c $<;
+
+
+#
+# Static bits
+#
+# If static building is disabled, libext*.a will still be generated,
+# but will be empty. This is good since we can do with less case
+# handling code in the Makefiles.
+#
+lib%.o: ${srcdir}/lib%.c
+ ${AM_VERBOSE_CC} ${CC} ${AM_DEPFLAGS} ${AM_CFLAGS} -DNO_SHARED_LIBS=1 -D_INIT=$*_init ${CFLAGS} -o $@ -c $<;
+
+libext4.a: initext4.o ${libext4_objs}
+ ${AM_VERBOSE_AR} ${AR} crs $@ $^;
+
+libext6.a: initext6.o ${libext6_objs}
+ ${AM_VERBOSE_AR} ${AR} crs $@ $^;
+
+initext_func := $(addprefix xt_,${pfx_build_mod}) $(addprefix ipt_,${pf4_build_mod})
+initext6_func := $(addprefix xt_,${pfx_build_mod}) $(addprefix ip6t_,${pf6_build_mod})
+
+.initext4.dd: FORCE
+ @echo "${initext_func}" >$@.tmp; \
+ cmp -s $@ $@.tmp || mv $@.tmp $@; \
+ rm -f $@.tmp;
+
+.initext6.dd: FORCE
+ @echo "${initext6_func}" >$@.tmp; \
+ cmp -s $@ $@.tmp || mv $@.tmp $@; \
+ rm -f $@.tmp;
+
+initext4.c: .initext4.dd
+ ${AM_VERBOSE_GEN}
+ @( \
+ echo "" >$@; \
+ for i in ${initext_func}; do \
+ echo "extern void lib$${i}_init(void);" >>$@; \
+ done; \
+ echo -en "void init_extensions(void)\n""{\n" >>$@; \
+ for i in ${initext_func}; do \
+ echo -e "\t""lib$${i}_init();" >>$@; \
+ done; \
+ echo "}" >>$@; \
+ );
+
+initext6.c: .initext6.dd
+ ${AM_VERBOSE_GEN}
+ @( \
+ echo "" >$@; \
+ for i in ${initext6_func}; do \
+ echo "extern void lib$${i}_init(void);" >>$@; \
+ done; \
+ echo -en "void init_extensions(void)\n""{\n" >>$@; \
+ for i in ${initext6_func}; do \
+ echo -e "\t""lib$${i}_init();" >>$@; \
+ done; \
+ echo "}" >>$@; \
+ );
+
+#
+# Manual pages
+#
+ex_matches = $(sort $(shell echo $(1) | grep -Eo '\b[a-z0-9]+\b'))
+ex_targets = $(sort $(shell echo $(1) | grep -Eo '\b[A-Z0-9]+\b'))
+man_run = \
+ ${AM_VERBOSE_GEN} \
+ for ext in $(1); do \
+ f="${srcdir}/libxt_$$ext.man"; \
+ if [ -f "$$f" ]; then \
+ echo ".SS $$ext"; \
+ cat "$$f"; \
+ continue; \
+ fi; \
+ f="${srcdir}/libipt_$$ext.man"; \
+ if [ -f "$$f" ]; then \
+ echo ".SS $$ext"; \
+ cat "$$f"; \
+ continue; \
+ fi; \
+ f="${srcdir}/libip6t_$$ext.man"; \
+ if [ -f "$$f" ]; then \
+ echo ".SS $$ext"; \
+ cat "$$f"; \
+ continue; \
+ fi; \
+ done >$@;
+
+matches4.man: .initext4.dd $(wildcard lib*.man)
+ $(call man_run,$(call ex_matches,${pfx_build_mod} ${pf4_build_mod}))
+
+matches6.man: .initext6.dd $(wildcard lib*.man)
+ $(call man_run,$(call ex_matches,${pfx_build_mod} ${pf6_build_mod}))
+
+targets4.man: .initext4.dd $(wildcard lib*.man)
+ $(call man_run,$(call ex_targets,${pfx_build_mod} ${pf4_build_mod}))
+
+targets6.man: .initext6.dd $(wildcard lib*.man)
+ $(call man_run,$(call ex_targets,${pfx_build_mod} ${pf6_build_mod}))