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-rw-r--r--tests/zerosize-ptr.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/tests/zerosize-ptr.h b/tests/zerosize-ptr.h
index 9adecfaf..d5592c58 100644
--- a/tests/zerosize-ptr.h
+++ b/tests/zerosize-ptr.h
@@ -1,5 +1,5 @@
/* Return a pointer to a zero-size object in memory.
- Copyright (C) 2009-2017 Free Software Foundation, Inc.
+ Copyright (C) 2009-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -18,6 +18,19 @@
argument. Therefore this file produces a non-NULL pointer which cannot
be dereferenced, if possible. */
+/* On Android, when targeting Android 4.4 or older with a GCC toolchain,
+ prevent a compilation error
+ "error: call to 'mmap' declared with attribute error: mmap is not
+ available with _FILE_OFFSET_BITS=64 when using GCC until android-21.
+ Either raise your minSdkVersion, disable _FILE_OFFSET_BITS=64, or
+ switch to Clang."
+ The files that we access in this compilation unit are less than 2 GB
+ large. */
+#if defined __ANDROID__
+# undef _FILE_OFFSET_BITS
+# undef __USE_FILE_OFFSET64
+#endif
+
#include <stdlib.h>
/* Test whether mmap() and mprotect() are available.