extensions: don't bother to build libebt/libarp extensions if nft backend was disabled

Reported-by: Thomas Deutschmann <whissi@gentoo.org>
Tested-by: Thomas Deutschmann <whissi@gentoo.org>
Signed-off-by: Florian Westphal <fw@strlen.de>

diff --git a/extensions/GNUmakefile.in b/extensions/GNUmakefile.in
index bee666e80e45c08aeb2c37bde90c6764369df51b..c0d73cd28c038d05cb0c0bd90234ec99214980a5 100644 (file)
--- a/extensions/GNUmakefile.in
+++ b/extensions/GNUmakefile.in
@@ -40,8 +40,8 @@ endif
 #      Wildcard module list
 #
 pfx_build_mod := $(patsubst ${srcdir}/libxt_%.c,%,$(sort $(wildcard ${srcdir}/libxt_*.c)))
-pfb_build_mod := $(patsubst ${srcdir}/libebt_%.c,%,$(sort $(wildcard ${srcdir}/libebt_*.c)))
-pfa_build_mod := $(patsubst ${srcdir}/libarpt_%.c,%,$(sort $(wildcard ${srcdir}/libarpt_*.c)))
+@ENABLE_NFTABLES_TRUE@ pfb_build_mod := $(patsubst ${srcdir}/libebt_%.c,%,$(sort $(wildcard ${srcdir}/libebt_*.c)))
+@ENABLE_NFTABLES_TRUE@ pfa_build_mod := $(patsubst ${srcdir}/libarpt_%.c,%,$(sort $(wildcard ${srcdir}/libarpt_*.c)))
 pfx_symlinks  := NOTRACK state
 @ENABLE_IPV4_TRUE@ pf4_build_mod := $(patsubst ${srcdir}/libipt_%.c,%,$(sort $(wildcard ${srcdir}/libipt_*.c)))
 @ENABLE_IPV6_TRUE@ pf6_build_mod := $(patsubst ${srcdir}/libip6t_%.c,%,$(sort $(wildcard ${srcdir}/libip6t_*.c)))