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-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/common/diagnostics.h9
2 files changed, 12 insertions, 3 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7689e0e..edb3cd4 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
2017-12-30 Simon Marchi <simon.marchi@ericsson.com>
+ * common/diagnostics.h
+ (DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES): Only
+ define if the compiler knows about -Wenum-compare-switch.
+
+2017-12-30 Simon Marchi <simon.marchi@ericsson.com>
+
* dwarf2read.c (dwarf_decode_macro_bytes): Ignore
-Wenum-compare-switch warning.
(dwarf_decode_macros): Likewise.
diff --git a/gdb/common/diagnostics.h b/gdb/common/diagnostics.h
index 30c0fd6..c9ef6b6 100644
--- a/gdb/common/diagnostics.h
+++ b/gdb/common/diagnostics.h
@@ -38,9 +38,12 @@
DIAGNOSTIC_IGNORE ("-Wdeprecated-register")
# define DIAGNOSTIC_IGNORE_UNUSED_FUNCTION \
DIAGNOSTIC_IGNORE ("-Wunused-function")
-# define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES \
- DIAGNOSTIC_IGNORE ("-Wenum-compare-switch")
-
+# if __has_warning ("-Wenum-compare-switch")
+# define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES \
+ DIAGNOSTIC_IGNORE ("-Wenum-compare-switch")
+# else
+# define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
+# endif
#elif defined (__GNUC__) /* GCC */
# define DIAGNOSTIC_IGNORE_SELF_MOVE