Add support for extra modules

This commits adds the necessary build system fun for extra modules in
modules/extra which can be enabled with --enable-extra.

This is a preparation for the import of znc-extra.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1605 726aef4b-f618-498e-8847-2d620e286838

configure

@@ -556,6 +556,7 @@ LIBOBJS
 DATADIR
 MODDIR
 SASL
+EXTRA
 NOSSL
 MODTARGET
 MODLINK
@@ -623,6 +624,7 @@ ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 enable_largefile
+enable_extra
 with_openssl
 enable_debug
 enable_ipv6
@@ -1262,6 +1264,7 @@ Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --disable-largefile     omit support for large files
+  --enable-extra          enable some extra modules
   --enable-debug          enable debuging
   --disable-ipv6          disable ipv6 support
   --disable-modules       disable modules
@@ -2715,6 +2718,13 @@ case "${host_os}" in
 	;;
 esac
 
+# Check whether --enable-extra was given.
+if test "${enable_extra+set}" = set; then :
+  enableval=$enable_extra; EXTRA="$enableval"
+else
+  EXTRA="no"
+fi
+
 
 # Check whether --with-openssl was given.
 if test "${with_openssl+set}" = set; then :
@@ -3416,6 +3426,7 @@ fi
 
 
 
+
 ac_config_files="$ac_config_files Makefile"
 
 ac_config_files="$ac_config_files znc-config"
@@ -4594,3 +4605,4 @@ if test x"$SASL" = "x" ; then
 else
 	echo "sasl:    yes"
 fi
+echo "extra:   $EXTRA"

configure.in

@@ -62,6 +62,10 @@ case "${host_os}" in
 	;;
 esac
 
+AC_ARG_ENABLE( [extra],
+	AS_HELP_STRING([--enable-extra], [enable some extra modules]),
+	[EXTRA="$enableval"],
+	[EXTRA="no"])
 AC_ARG_WITH( [openssl],
 	AS_HELP_STRING([--with-openssl=DIR], [openssl installation prefix]),
 	[OPENSSL=$withval],)
@@ -244,6 +248,7 @@ AC_SUBST([LIBZNCDIR])
 AC_SUBST([MODLINK])
 AC_SUBST([MODTARGET])
 AC_SUBST([NOSSL])
+AC_SUBST([EXTRA])
 AC_SUBST([PERL])
 AC_SUBST([SASL])
 AC_SUBST([MODDIR])
@@ -281,3 +286,4 @@ if test x"$SASL" = "x" ; then
 else
 	echo "sasl:    yes"
 fi
+echo "extra:   $EXTRA"

modules/Makefile.in

@@ -29,9 +29,15 @@ ifneq "$(LIBZNC)" ""
 LDFLAGS += -L.. -lznc -Wl,-rpath,$(LIBZNCDIR)
 endif
 
-FILES    := $(basename $(wildcard $(srcdir)/*.cpp))
+FILES    := $(wildcard $(srcdir)/*.cpp)
+# If extra is enabled
+ifeq "@EXTRA@" "yes"
+FILES    += $(wildcard $(srcdir)/extra/*.cpp)
+endif
+
+FILES    := $(basename $(FILES))
 # Strip away the srcdir, we want them to be created in the current dir
-FILES    := $(shell echo $(FILES) | sed -e "s:$(srcdir)/::g")
+FILES    := $(shell echo $(FILES) | sed -e "s: $(srcdir)/: :g")
 
 ifeq "@NOSSL@" "1"
 FILES    := $(foreach file, $(FILES), \
@@ -58,7 +64,7 @@ saslauthFLAGS := -lsasl2
 
 TARGETS  := $(addsuffix .so, $(FILES))
 
-CLEAN    := *.so
+CLEAN    := *.so extra/*.so
 
 .PHONY: all clean install modperl_install
 
@@ -85,6 +91,8 @@ clean:
 
 %.so: %.cpp Makefile
 	@mkdir -p .depend
+	@mkdir -p .depend/extra
+	@mkdir -p extra
 	$(CXX) $(MODFLAGS) $(LDFLAGS) $(MODLINK) -o $@ $< $($(basename $@)FLAGS) -MMD -MF .depend/$@.dep
 
 modperl_install: create_install_dir