busybox: fix a linking issue
A following linking error was observed: | ========== | archival/lib.a(tar.o): In function `tar_main': | archival/tar.c:1168: undefined reference to `unpack_Z_stream' | archival/tar.c:1168: undefined reference to `unpack_Z_stream' | ld: busybox_unstripped: hidden symbol `unpack_Z_stream' isn't defined | ld: final link failed: Bad value this happened with clang compiler, with the following configs: | CONFIG_TAR=y | # CONFIG_FEATURE_SEAMLESS_Z is not set which can be fixed by adding IF_FEATURE_* checks in. (From OE-Core rev: 5e9e8b336931335c660733a269c59ae0547019bd) Signed-off-by: Ming Liu <peter.x.liu@external.atlascopco.com> Signed-off-by: Ross Burton <ross.burton@intel.com> (cherry picked from commit 789254b5ae983a94346f53de18286713b80eb5f2) Signed-off-by: André Draszik <adraszik@tycoint.com> Signed-off-by: Armin Kuster <akuster808@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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From f94412f6bb49136694c5478d0aecb19118d1b08d Mon Sep 17 00:00:00 2001
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From: Ming Liu <peter.x.liu@external.atlascopco.com>
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Date: Wed, 31 May 2017 11:48:09 +0200
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Subject: [PATCH] tar: add IF_FEATURE_* checks
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A following linking error was observed:
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| ==========
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| archival/lib.a(tar.o): In function `tar_main':
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| archival/tar.c:1168: undefined reference to `unpack_Z_stream'
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| archival/tar.c:1168: undefined reference to `unpack_Z_stream'
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| ld: busybox_unstripped: hidden symbol `unpack_Z_stream' isn't defined
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| ld: final link failed: Bad value
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this happened with clang compiler, with the following configs:
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| CONFIG_TAR=y
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| # CONFIG_FEATURE_SEAMLESS_Z is not set
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which can be fixed by adding IF_FEATURE_* checks in.
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Upstream-Status: Pending [ Sent to busybox upstream on 2017-06-02 ]
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Signed-off-by: Ming Liu <peter.x.liu@external.atlascopco.com>
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---
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archival/tar.c | 25 +++++++++++++++----------
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1 file changed, 15 insertions(+), 10 deletions(-)
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diff --git a/archival/tar.c b/archival/tar.c
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index b70e00a..7598b71 100644
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--- a/archival/tar.c
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+++ b/archival/tar.c
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@@ -1216,21 +1216,26 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
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USE_FOR_MMU(IF_DESKTOP(long long) int FAST_FUNC (*xformer)(transformer_state_t *xstate);)
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USE_FOR_NOMMU(const char *xformer_prog;)
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- if (opt & OPT_COMPRESS)
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- USE_FOR_MMU(xformer = unpack_Z_stream;)
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+ if (opt & OPT_COMPRESS) {
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+ USE_FOR_MMU(IF_FEATURE_SEAMLESS_Z(xformer = unpack_Z_stream;))
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USE_FOR_NOMMU(xformer_prog = "uncompress";)
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- if (opt & OPT_GZIP)
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- USE_FOR_MMU(xformer = unpack_gz_stream;)
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+ }
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+ if (opt & OPT_GZIP) {
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+ USE_FOR_MMU(IF_FEATURE_SEAMLESS_GZ(xformer = unpack_gz_stream;))
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USE_FOR_NOMMU(xformer_prog = "gunzip";)
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- if (opt & OPT_BZIP2)
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- USE_FOR_MMU(xformer = unpack_bz2_stream;)
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+ }
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+ if (opt & OPT_BZIP2) {
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+ USE_FOR_MMU(IF_FEATURE_SEAMLESS_BZ2(xformer = unpack_bz2_stream;))
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USE_FOR_NOMMU(xformer_prog = "bunzip2";)
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- if (opt & OPT_LZMA)
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- USE_FOR_MMU(xformer = unpack_lzma_stream;)
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+ }
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+ if (opt & OPT_LZMA) {
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+ USE_FOR_MMU(IF_FEATURE_SEAMLESS_LZMA(xformer = unpack_lzma_stream;))
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USE_FOR_NOMMU(xformer_prog = "unlzma";)
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- if (opt & OPT_XZ)
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- USE_FOR_MMU(xformer = unpack_xz_stream;)
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+ }
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+ if (opt & OPT_XZ) {
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+ USE_FOR_MMU(IF_FEATURE_SEAMLESS_XZ(xformer = unpack_xz_stream;))
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USE_FOR_NOMMU(xformer_prog = "unxz";)
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+ }
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fork_transformer_with_sig(tar_handle->src_fd, xformer, xformer_prog);
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/* Can't lseek over pipes */
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--
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2.7.4
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@ -57,6 +57,7 @@ SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
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file://0001-libiproute-handle-table-ids-larger-than-255.patch \
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file://ifupdown-pass-interface-device-name-for-ipv6-route-c.patch \
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file://BUG9071_buffer_overflow_arp.patch \
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file://busybox-tar-add-IF_FEATURE_-checks.patch \
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"
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SRC_URI_append_libc-musl = " file://musl.cfg "
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