From bd4ca7a67ae51c0997dc372c1f664ff4c6846631 Mon Sep 17 00:00:00 2001
From: Marius Bakke <mbakke@fastmail.com>
Date: Mon, 5 Aug 2019 19:37:26 +0200
Subject: [PATCH] gnu: strace: Fix test failure on some systems.

* gnu/packages/patches/strace-ipc-tests.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/linux.scm (strace)[source](patches): New field.
---
 gnu/local.mk                                |  1 +
 gnu/packages/linux.scm                      |  1 +
 gnu/packages/patches/strace-ipc-tests.patch | 30 +++++++++++++++++++++
 3 files changed, 32 insertions(+)
 create mode 100644 gnu/packages/patches/strace-ipc-tests.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index ca15f3096d..16ef2cdfc1 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1305,6 +1305,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/soundconverter-remove-gconf-dependency.patch	\
   %D%/packages/patches/sssd-curl-compat.patch			\
   %D%/packages/patches/steghide-fixes.patch			\
+  %D%/packages/patches/strace-ipc-tests.patch			\
   %D%/packages/patches/streamlink-update-test.patch		\
   %D%/packages/patches/stumpwm-fix-broken-read-one-line.patch	\
   %D%/packages/patches/superlu-dist-awpm-grid.patch		\
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 44526e3786..fe703a748a 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -1408,6 +1408,7 @@ Zerofree requires the file system to be unmounted or mounted read-only.")
              (method url-fetch)
              (uri (string-append home-page "/files/" version
                                  "/strace-" version ".tar.xz"))
+             (patches (search-patches "strace-ipc-tests.patch"))
              (sha256
               (base32
                "1li49i75wrdw91hchyyd8spnzfcmxcfyfb5g9zbaza89aq4bq4ym"))))
diff --git a/gnu/packages/patches/strace-ipc-tests.patch b/gnu/packages/patches/strace-ipc-tests.patch
new file mode 100644
index 0000000000..49341765ca
--- /dev/null
+++ b/gnu/packages/patches/strace-ipc-tests.patch
@@ -0,0 +1,30 @@
+Fix a test failure on some systems.
+
+Taken from upstream:
+https://github.com/strace/strace/commit/4377e3a1535a0ec3a42da8a1366ad6943f4efa0e
+
+diff --git a/tests/gen_tests.in b/tests/gen_tests.in
+index 4a506b94c..4fdf4722c 100644
+--- a/tests/gen_tests.in
++++ b/tests/gen_tests.in
+@@ -168,16 +168,16 @@ ipc_msg-Xabbrev	+ipc.sh -Xabbrev -a26
+ ipc_msg-Xraw	+ipc.sh -Xraw -a16
+ ipc_msg-Xverbose	+ipc.sh -Xverbose -a34
+ ipc_msgbuf-Xabbrev	+ipc_msgbuf.test -Xabbrev
+-ipc_msgbuf-Xraw	+ipc_msgbuf.test -Xraw -a22
++ipc_msgbuf-Xraw	+ipc_msgbuf.test -Xraw -a20
+ ipc_msgbuf-Xverbose	+ipc_msgbuf.test -Xverbose
+ ipc_sem	+ipc.sh -a29
+ ipc_sem-Xabbrev	+ipc.sh -Xabbrev -a29
+ ipc_sem-Xraw	+ipc.sh -Xraw -a19
+ ipc_sem-Xverbose	+ipc.sh -Xverbose -a36
+-ipc_shm	+ipc.sh -a29
+-ipc_shm-Xabbrev	+ipc.sh -Xabbrev -a29
++ipc_shm	+ipc.sh -a26
++ipc_shm-Xabbrev	+ipc.sh -Xabbrev -a26
+ ipc_shm-Xraw	+ipc.sh -Xraw -a19
+-ipc_shm-Xverbose	+ipc.sh -Xverbose -a36
++ipc_shm-Xverbose	+ipc.sh -Xverbose -a34
+ kcmp	-a22
+ kcmp-y	-a22 -y -e trace=kcmp
+ kern_features -a16
-- 
2.22.0