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-rw-r--r--gnu/packages/patches/m4-readlink-EINVAL.patch18
1 files changed, 18 insertions, 0 deletions
diff --git a/gnu/packages/patches/m4-readlink-EINVAL.patch b/gnu/packages/patches/m4-readlink-EINVAL.patch
new file mode 100644
index 0000000000..dd371584a7
--- /dev/null
+++ b/gnu/packages/patches/m4-readlink-EINVAL.patch
@@ -0,0 +1,18 @@
+Newer Linux kernels would return EINVAL instead of ENOENT.
+The patch below, taken from Gnulib, allows the test to pass when
+these Linux versions are in use:
+https://lists.gnu.org/archive/html/bug-gnulib/2011-03/msg00308.html .
+
+diff --git a/tests/test-readlink.h b/tests/test-readlink.h
+index 08d5662..7247fc4 100644
+--- a/tests/test-readlink.h
++++ b/tests/test-readlink.h
+@@ -38,7 +38,7 @@ test_readlink (ssize_t (*func) (char const *, char *, size_t), bool print)
+ ASSERT (errno == ENOENT);
+ errno = 0;
+ ASSERT (func ("", buf, sizeof buf) == -1);
+- ASSERT (errno == ENOENT);
++ ASSERT (errno == ENOENT || errno == EINVAL);
+ errno = 0;
+ ASSERT (func (".", buf, sizeof buf) == -1);
+ ASSERT (errno == EINVAL);