Fuck those makefiles

It tries to run SWIG for modpython several times simultaneously.
Just force modules to be built in 1 thread for now if modpython is going
to be built.

Makefiles should be thrown away.

Also don't show warning about unused perl, fix #219

Makefile.in

@@ -58,6 +58,12 @@ E=@\#
 C=
 endif
 
+ifeq "@PYTHON@" ""
+JOBHACK=
+else
+JOBHACK=-j1
+endif
+
 .PHONY: all man modules clean distclean install version_extra_recompile
 .SECONDARY:
 
@@ -86,7 +92,7 @@ man:
 	@$(MAKE) -C man $(C)
 
 modules: $(LIBZNC)
-	@$(MAKE) -C modules $(C)
+	@$(MAKE) -C modules $(C) $(JOBHACK)
 
 clean:
 	rm -rf $(CLEAN)
@@ -125,7 +131,7 @@ install: znc $(LIBZNC)
 	$(INSTALL_DATA) $(srcdir)/include/znc/*.h $(DESTDIR)$(includedir)/znc
 	$(INSTALL_DATA) include/znc/zncconfig.h $(DESTDIR)$(includedir)/znc
 	$(INSTALL_DATA) znc.pc $(DESTDIR)$(PKGCONFIGDIR)
-	@$(MAKE) -C modules install DESTDIR=$(DESTDIR);
+	@$(MAKE) -C modules $(JOBHACK) install DESTDIR=$(DESTDIR);
 	if test -n "$(LIBZNC)"; then \
 		test -d $(DESTDIR)$(LIBZNCDIR) || $(INSTALL) -d $(DESTDIR)$(LIBZNCDIR) || exit 1 ; \
 		$(INSTALL_PROGRAM) $(LIBZNC) $(DESTDIR)$(LIBZNCDIR) || exit 1 ; \

modules/modperl/Makefile.inc

@@ -9,7 +9,7 @@ PERL_CXX   += -Wno-write-strings -Wno-redundant-decls -Wno-missing-declarations
 PERL_CXX   += -Wno-type-limits -Wno-sign-compare -Wno-strict-overflow
 # This is for SWIG
 PERL_CXX   += -DSWIG_TYPE_TABLE=znc
-modperlCXXFLAGS := $(PERL_CXX)
+modperlCXXFLAGS := $(PERL_CXX) -Wno-unused-function
 modperlLDFLAGS  := $(PERL_LD)
 # Find additional headers for out-of-tree build
 modperlCXXFLAGS += -I.
@@ -32,7 +32,7 @@ else
 FILES    := $(shell echo $(FILES) | sed -e "s/modperl//")
 endif
 
-.PHONY: modperl_install
+.PHONY: modperl_install modperl_all
 
 install: $(PERLHOOK)