Re: [Buildroot] [PATCH 1/1] package/rsync: fix static build

[Arnout Vandecappelle <arnout@mind.be>]

On 11/04/2022 23:19, Fabrice Fontaine wrote:
> Fix the following static build failure when using an external zlib:
> 
> /home/autobuild/autobuild/instance-11/output-1/host/bin/i686-buildroot-linux-uclibc-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Og -g0  -static -DHAVE_CONFIG_H -Wall -W -Wno-unused-parameter -static -o rsync flist.o rsync.o generator.o receiver.o cleanup.o sender.o exclude.o util.o util2.o main.o checksum.o match.o syscall.o log.o backup.o delete.o options.o io.o compat.o hlink.o token.o uidlist.o socket.o hashtable.o usage.o fileio.o batch.o clientname.o chmod.o acls.o xattrs.o progress.o pipe.o   params.o loadparm.o clientserver.o access.o connection.o authenticate.o lib/wildmatch.o lib/compat.o lib/snprintf.o lib/mdfour.o lib/md5.o lib/permstring.o lib/pool_alloc.o lib/sysacls.o lib/sysxattrs.o    -lz -lpopt -liconv
> /home/autobuild/autobuild/instance-11/output-1/host/lib/gcc/i686-buildroot-linux-uclibc/9.4.0/../../../../i686-buildroot-linux-uclibc/bin/ld: /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/lib/libz.a(deflate.c.o): in function `read_buf':
> deflate.c:(.text+0xb93): multiple definition of `read_buf'; io.o:io.c:(.text+0x2bf4): first defined here
> 
> Fixes:
>   - http://autobuild.buildroot.org/results/488453197da880dda8f47b71ff302192bcbb6679
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>

  Applied to master, thanks.

  Regards,
  Arnout

> ---
>   ...g-with-a-zlib-with-external-read_buf.patch | 27 +++++++++++++++++++
>   1 file changed, 27 insertions(+)
>   create mode 100644 package/rsync/0002-Handle-linking-with-a-zlib-with-external-read_buf.patch
> 
> diff --git a/package/rsync/0002-Handle-linking-with-a-zlib-with-external-read_buf.patch b/package/rsync/0002-Handle-linking-with-a-zlib-with-external-read_buf.patch
> new file mode 100644
> index 0000000000..0af090732c
> --- /dev/null
> +++ b/package/rsync/0002-Handle-linking-with-a-zlib-with-external-read_buf.patch
> @@ -0,0 +1,27 @@
> +From 60dd42be603a79cd57cec076fe1680e9037be774 Mon Sep 17 00:00:00 2001
> +From: Wayne Davison <wayne@opencoder.net>
> +Date: Mon, 11 Apr 2022 08:29:54 -0700
> +Subject: [PATCH] Handle linking with a zlib with external read_buf.
> +
> +[Retrieved from:
> +https://github.com/WayneD/rsync/commit/60dd42be603a79cd57cec076fe1680e9037be774]
> +Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> +---
> + rsync.h | 4 ++++
> + 1 file changed, 4 insertions(+)
> +
> +diff --git a/rsync.h b/rsync.h
> +index 4b30570b..e5aacd25 100644
> +--- a/rsync.h
> ++++ b/rsync.h
> +@@ -1172,6 +1172,10 @@ struct name_num_obj {
> + 	struct name_num_item list[10]; /* we'll get a compile error/warning if this is ever too small */
> + };
> +
> ++#ifdef EXTERNAL_ZLIB
> ++#define read_buf read_buf_
> ++#endif
> ++
> + #ifndef __cplusplus
> + #include "proto.h"
> + #endif
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