On 27/04/18 16:05, Alin Năstac wrote:
According to "Automatic variables" chapter of make manual, $* expands
to the pattern matched by % in an implicit rule.
However, the make rules in which this patch use the $* variable is an
explicit rule, hence $* expansion will be empty.


On Fri, Apr 27, 2018 at 8:41 AM, John Crispin <j...@phrozen.org> wrote:

On 24/04/18 10:05, Alin Nastac wrote:
This fixes an iptables link error when kernel config include
    CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
related to the missing -lm argument on the linker command line. Error is
caused by
the odd looking linker argument ${$*_LIBADD} which get expanded to an
empty string.

Hi,
the $* usage is correct

src/%.c:
     echo $*

->src/example (bei src/example.c)

please provide your diffconfig so i can reproduce your issue locally.

     John


Hi,
please try not to top post. and see if this fixes your issue please. -->

https://pastebin.com/qbMfwGer

    John

Signed-off-by: Alin Nastac <alin.nas...@gmail.com>
---
   package/network/utils/iptables/patches/600-shared-libext.patch | 10
+++++-----
   1 file changed, 5 insertions(+), 5 deletions(-)

diff --git
a/package/network/utils/iptables/patches/600-shared-libext.patch
b/package/network/utils/iptables/patches/600-shared-libext.patch
index a906d40..17e7fbe 100644
--- a/package/network/utils/iptables/patches/600-shared-libext.patch
+++ b/package/network/utils/iptables/patches/600-shared-libext.patch
@@ -28,27 +28,27 @@
   -libext.a: initext.o ${libext_objs}
   -     ${AM_VERBOSE_AR} ${AR} crs $@ $^;
   +libiptext.so: initext.o ${libext_objs}
-+      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${$*_LIBADD};
++      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${xt_statistic_LIBADD}
${xt_connlabel_LIBADD};
      -libext_ebt.a: initextb.o ${libext_ebt_objs}
   -     ${AM_VERBOSE_AR} ${AR} crs $@ $^;
   +libiptext_ebt.so: initextb.o ${libext_ebt_objs}
-+      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${$*_LIBADD};
++      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${xt_statistic_LIBADD}
${xt_connlabel_LIBADD};
      -libext_arpt.a: initexta.o ${libext_arpt_objs}
   -     ${AM_VERBOSE_AR} ${AR} crs $@ $^;
   +libiptext_arpt.so: initexta.o ${libext_arpt_objs}
-+      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${$*_LIBADD};
++      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${xt_statistic_LIBADD}
${xt_connlabel_LIBADD};
      -libext4.a: initext4.o ${libext4_objs}
   -     ${AM_VERBOSE_AR} ${AR} crs $@ $^;
   +libiptext4.so: initext4.o ${libext4_objs}
-+      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${$*_LIBADD};
++      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${xt_statistic_LIBADD}
${xt_connlabel_LIBADD};
      -libext6.a: initext6.o ${libext6_objs}
   -     ${AM_VERBOSE_AR} ${AR} crs $@ $^;
   +libiptext6.so: initext6.o ${libext6_objs}
-+      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${$*_LIBADD};
++      ${AM_VERBOSE_CCLD} ${CCLD} ${AM_LDFLAGS} -shared ${LDFLAGS} -o $@
$^ -L../libxtables/.libs -lxtables ${xt_statistic_LIBADD}
${xt_connlabel_LIBADD};
       initext_func  := $(addprefix xt_,${pfx_build_static})
    initextb_func := $(addprefix ebt_,${pfb_build_static})



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