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-rw-r--r--gnu/packages/compression.scm10
1 files changed, 9 insertions, 1 deletions
diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index 746a496c90..c1996edbec 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -863,7 +863,15 @@ time for compression ratio.")
"squashfs" version ".tar.gz"))
(sha256
(base32
- "0zmhvczscqz0mzh4b9m8m42asq14db0a6lc8clp5ljq5ybrv70d9"))))
+ "0zmhvczscqz0mzh4b9m8m42asq14db0a6lc8clp5ljq5ybrv70d9"))
+ (modules '((guix build utils)))
+ (snippet
+ '(begin
+ ;; Fix build with -fno-common (default in GCC 10).
+ ;; Remove for squashfs-tools > 4.4.
+ (substitute* "squashfs-tools/mksquashfs.h"
+ (("struct cache \\*bwriter_buffer" all)
+ (string-append "extern " all)))))))
(build-system gnu-build-system)
(arguments
`(#:tests? #f ; no check target