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-rw-r--r--gnu/packages/compression.scm3
1 files changed, 3 insertions, 0 deletions
diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index c4298c1e95..b63ca4da32 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -1901,6 +1901,9 @@ The specification of the Brotli Compressed Data Format is defined in RFC 7932.")
(base32
"0j036lkwsxvm15gr29n8wn07cqq79dswjs9k54939ms5zngjjrdq"))))
(build-system gnu-build-system)
+ (arguments
+ `(;; UCL 1.03 fails to build with newer C standards.
+ #:configure-flags '("CFLAGS=-std=gnu90")))
(home-page "http://www.oberhumer.com/opensource/ucl/")
(synopsis "Portable lossless data compression library")
(description "UCL implements a number of compression algorithms that