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author | Jo-Philipp Wich <jo@mein.io> | 2018-12-19 09:50:05 +0100 |
---|---|---|
committer | Jo-Philipp Wich <jo@mein.io> | 2018-12-19 10:50:02 +0100 |
commit | 386803a006edafd54cef20b4b99b033b1b52cf5c (patch) | |
tree | 386a347b0c00041430c64184b712d24ea62a559e /package/network/utils | |
parent | 4b4e6a04ac918d5cce2d168d9e656f3d2a29ec4b (diff) | |
download | upstream-386803a006edafd54cef20b4b99b033b1b52cf5c.tar.gz upstream-386803a006edafd54cef20b4b99b033b1b52cf5c.tar.bz2 upstream-386803a006edafd54cef20b4b99b033b1b52cf5c.zip |
iproute2: only link libelf where needed
The iproute2 build system links libelf support to every utility while only
the tc program actually requires libelf specific functionality.
Unfortunately the BPF ELF functionality is not confined into an own
compilation unit but added to the existing bpf.c sources of the shared
static libutil.a, causing every iproute2 applet to pick up an implicit
libelf.so dependency.
In order to avoid this requirement, patch the iproute2 build system to
create both a libutil.a and a libutil-elf.a, with the former being built
without libelf functionality and to only link the tc applet with the libelf
enabled libutil.
Finally, make the tc package depend on libelf to solve compilation errors.
Ref: https://github.com/openwrt/packages/issues/7728
Fixes: FS#2011
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Diffstat (limited to 'package/network/utils')
-rw-r--r-- | package/network/utils/iproute2/Makefile | 4 | ||||
-rw-r--r-- | package/network/utils/iproute2/patches/190-link-libelf-to-tc-only.patch | 60 |
2 files changed, 62 insertions, 2 deletions
diff --git a/package/network/utils/iproute2/Makefile b/package/network/utils/iproute2/Makefile index 6d3305b5ad..5e0f19a644 100644 --- a/package/network/utils/iproute2/Makefile +++ b/package/network/utils/iproute2/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=iproute2 PKG_VERSION:=4.19.0 -PKG_RELEASE:=6 +PKG_RELEASE:=7 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz PKG_SOURCE_URL:=@KERNEL/linux/utils/net/iproute2 @@ -53,7 +53,7 @@ endef define Package/tc $(call Package/iproute2/Default) TITLE:=Traffic control utility - DEPENDS:=+kmod-sched-core +(PACKAGE_devlink||PACKAGE_rdma):libmnl + DEPENDS:=+kmod-sched-core +(PACKAGE_devlink||PACKAGE_rdma):libmnl +libelf1 endef define Package/genl diff --git a/package/network/utils/iproute2/patches/190-link-libelf-to-tc-only.patch b/package/network/utils/iproute2/patches/190-link-libelf-to-tc-only.patch new file mode 100644 index 0000000000..1c44616253 --- /dev/null +++ b/package/network/utils/iproute2/patches/190-link-libelf-to-tc-only.patch @@ -0,0 +1,60 @@ +--- a/configure ++++ b/configure +@@ -257,8 +257,9 @@ check_elf() + echo "HAVE_ELF:=y" >>$CONFIG + echo "yes" + +- echo 'CFLAGS += -DHAVE_ELF' `${PKG_CONFIG} libelf --cflags` >> $CONFIG +- echo 'LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG ++ echo 'CFLAGS += -DHAVE_ELF' >> $CONFIG ++ echo 'ELF_CFLAGS += ' `${PKG_CONFIG} libelf --cflags` >> $CONFIG ++ echo 'ELF_LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG + else + echo "no" + fi +--- a/lib/Makefile ++++ b/lib/Makefile +@@ -11,9 +11,17 @@ UTILOBJ = utils.o rt_names.o ll_map.o ll + inet_proto.o namespace.o json_writer.o json_print.o \ + names.o color.o bpf.o exec.o fs.o + ++ELFOBJ=$(patsubst %.o,%.elf.o,$(UTILOBJ)) ++ + NLOBJ=libgenl.o libnetlink.o + +-all: libnetlink.a libutil.a ++all: libnetlink.a libutil.a libutil-elf.a ++ ++%.o: %.c ++ $(QUIET_CC)$(CC) $(CFLAGS) -UHAVE_ELF $(EXTRA_CFLAGS) -c -o $@ $< ++ ++%.elf.o: %.c ++ $(QUIET_CC)$(CC) $(CFLAGS) $(ELF_CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $< + + libnetlink.a: $(NLOBJ) + $(QUIET_AR)$(AR) rcs $@ $^ +@@ -21,7 +29,10 @@ libnetlink.a: $(NLOBJ) + libutil.a: $(UTILOBJ) $(ADDLIB) + $(QUIET_AR)$(AR) rcs $@ $^ + ++libutil-elf.a: $(ELFOBJ) $(ADDLIB) ++ $(QUIET_AR)$(AR) rcs $@ $^ ++ + install: + + clean: +- rm -f $(NLOBJ) $(UTILOBJ) $(ADDLIB) libnetlink.a libutil.a ++ rm -f $(NLOBJ) $(UTILOBJ) $(ELFOBJ) $(ADDLIB) libnetlink.a libutil.a libutil-elf.a +--- a/tc/Makefile ++++ b/tc/Makefile +@@ -132,8 +132,8 @@ MODDESTDIR := $(DESTDIR)$(LIBDIR)/tc + + all: tc $(TCSO) + +-tc: $(TCOBJ) $(LIBNETLINK) libtc.a +- $(QUIET_LINK)$(CC) $^ $(LDFLAGS) $(LDLIBS) -o $@ ++tc: $(TCOBJ) $(subst libutil.a,libutil-elf.a,$(LIBNETLINK)) libtc.a ++ $(QUIET_LINK)$(CC) $^ $(LDFLAGS) $(LDLIBS) $(ELF_LDLIBS) -o $@ + + libtc.a: $(TCLIB) + $(QUIET_AR)$(AR) rcs $@ $^ |