gnu: libunistring: Modify tests/test-lock for riscv64

* gnu/packages/libunistring.scm (libunistring)[arguments]: Add
‘modify-test-lock’ phase for riscv64-linux.

Change-Id: I57f37383744fd1ee2c4839dd7d54d04167905b0c
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/gnu/packages/libunistring.scm b/gnu/packages/libunistring.scm
index 7049fb1debb..439dd6f956e 100644
--- a/gnu/packages/libunistring.scm
+++ b/gnu/packages/libunistring.scm
@@ -69,6 +69,14 @@
                           (("# define WIN32_LEAN_AND_MEAN" all)
                            (string-append "#define nanosleep nanosleep_native\n"
                                           all))))))
+                 #~())
+          #$@(if (string=? "riscv64-linux" (%current-system))
+                 ;; Unmodified test-lock will fail or crash riscv64
+                 #~((add-before 'check 'modify-test-lock
+                      (lambda _
+                        (substitute* "tests/test-lock.c"
+                          (("#define DO_TEST_RWLOCK 1")
+                           "#define DO_TEST_RWLOCK 0")))))
                  #~()))))
    (synopsis "C library for manipulating Unicode strings")
    (description