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-rw-r--r--include/acpi/platform/acgcc.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index a476b9118b4..384875da371 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -64,4 +64,15 @@
*/
#define ACPI_UNUSED_VAR __attribute__ ((unused))
+/*
+ * Some versions of gcc implement strchr() with a buggy macro. So,
+ * undef it here. Prevents error messages of this form (usually from the
+ * file getopt.c):
+ *
+ * error: logical '&&' with non-zero constant will always evaluate as true
+ */
+#ifdef strchr
+#undef strchr
+#endif
+
#endif /* __ACGCC_H__ */