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tools: squashfskit4: fix build with GCC10

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In order to build squashfskit with GCC10, this backport from upstream is needed.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
[increase PKG_RELEASE]
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
(cherry picked from commit be4ed1db18)
This commit is contained in:
Robert Marko 2020-03-19 12:22:07 +01:00 committed by Hauke Mehrtens
parent 79b60d878d
commit 45b586c4a6
2 changed files with 44 additions and 1 deletions
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2
tools/squashfskit4/Makefile
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@ -8,7 +8,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=squashfskit4
PKG_VERSION:=4.14
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE:=squashfskit-v$(PKG_VERSION).tar.xz
PKG_SOURCE_URL:=https://github.com/squashfskit/squashfskit/releases/download/v$(PKG_VERSION)/
PKG_HASH:=5761aaa3aedc4f7112b708367d891c9abdc1ffea972e3fe47923ddba23984d95

43
tools/squashfskit4/patches/0002-fix-build-failure-against-gcc-10.patch Normal file
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@ -0,0 +1,43 @@
From fe2f5da4b0f8994169c53e84b7cb8a0feefc97b5 Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyfox@gentoo.org>
Date: Sun, 26 Jan 2020 18:35:13 +0000
Subject: [PATCH] squashfs-tools: fix build failure against gcc-10
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
On gcc-10 (and gcc-9 -fno-common) build fails as:
```
cc ... -o mksquashfs
ld: read_fs.o:(.bss+0x0):
multiple definition of `fwriter_buffer'; mksquashfs.o:(.bss+0x400c90): first defined here
ld: read_fs.o:(.bss+0x8):
multiple definition of `bwriter_buffer'; mksquashfs.o:(.bss+0x400c98): first defined here
```
gcc-10 will change the default from -fcommon to fno-common:
https://gcc.gnu.org/PR85678.
The error also happens if CFLAGS=-fno-common passed explicitly.
Reported-by: Toralf Förster
Bug: https://bugs.gentoo.org/706456
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
---
squashfs-tools/mksquashfs.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/squashfs-tools/mksquashfs.h b/squashfs-tools/mksquashfs.h
index 1beefef7..b6503063 100644
--- a/squashfs-tools/mksquashfs.h
+++ b/squashfs-tools/mksquashfs.h
@@ -143,7 +143,7 @@ struct append_file {
#endif
extern struct cache *reader_buffer, *fragment_buffer, *reserve_cache;
-struct cache *bwriter_buffer, *fwriter_buffer;
+extern struct cache *bwriter_buffer, *fwriter_buffer;
extern struct queue *to_reader, *to_deflate, *to_writer, *from_writer,
*to_frag, *locked_fragment, *to_process_frag;
extern struct append_file **file_mapping;