gdb: remove some GCC version checks

Since we now require C++17, and therefore gcc >= 9, it's no longer
useful to have gcc version checks for older gcc version.

Change-Id: I3a87baa03c475f2b847b422b16b69c5ff7215b54
Reviewed-by: Kevin Buettner <kevinb@redhat.com>
Approved-By: Pedro Alves <pedro@palves.net>

diff --git a/gdb/unittests/enum-flags-selftests.c b/gdb/unittests/enum-flags-selftests.c
index 853ebca378239a0452fb7816013de11d5749137d..607b8ac66a6463f60c298fd133aea5943337e4e6 100644 (file)
--- a/gdb/unittests/enum-flags-selftests.c
+++ b/gdb/unittests/enum-flags-selftests.c
@@ -253,10 +253,8 @@ CHECK_VALID (true,  EF,   true ? RE () : EF ())
 
 CHECK_VALID (true,  int,  true ? EF () : EF2 ())
 CHECK_VALID (true,  int,  true ? EF2 () : EF ())
-#if GCC_VERSION >= 5003 || defined __clang__
 CHECK_VALID (true,  int,  true ? EF () : RE2 ())
 CHECK_VALID (true,  int,  true ? RE2 () : EF ())
-#endif
 
 /* Same, but with an unsigned enum.  */
 
@@ -264,10 +262,8 @@ typedef unsigned int uns;
 
 CHECK_VALID (true,  uns,  true ? EF () : UEF ())
 CHECK_VALID (true,  uns,  true ? UEF () : EF ())
-#if GCC_VERSION >= 5003 || defined __clang__
 CHECK_VALID (true,  uns,  true ? EF () : URE ())
 CHECK_VALID (true,  uns,  true ? URE () : EF ())
-#endif
 
 /* Unfortunately this can't work due to the way C++ computes the
    return type of the ternary conditional operator.  int isn't
@@ -279,10 +275,8 @@ CHECK_VALID (true,  uns,  true ? URE () : EF ())
      error: operands to ?: have different types ‘enum_flags<RE>’ and ‘int’
    Confirmed to work with gcc 4.9, 5.3 and clang 3.7.
 */
-#if GCC_VERSION >= 4009 || defined __clang__
 CHECK_VALID (false, void, true ? EF () : 0)
 CHECK_VALID (false, void, true ? 0 : EF ())
-#endif
 
 /* Check that the ++/--/<</>>/<<=/>>= operators are deleted.  */
 

diff --git a/gdbserver/tracepoint.h b/gdbserver/tracepoint.h
index 8b232324d2ec343a3f7a44e93fda009706269bd7..1660c9445ee5194e5801215d78b7d02f58078445 100644 (file)
--- a/gdbserver/tracepoint.h
+++ b/gdbserver/tracepoint.h
@@ -38,11 +38,7 @@ void initialize_tracepoint (void);
 #if defined _WIN32 || defined __CYGWIN__
 # define EXPORTED_SYMBOL __declspec (dllexport)
 #else
-# if __GNUC__ >= 4
-#  define EXPORTED_SYMBOL __attribute__ ((visibility ("default")))
-# else
-#  define EXPORTED_SYMBOL
-# endif
+# define EXPORTED_SYMBOL __attribute__ ((visibility ("default")))
 #endif
 
 /* Use these to make sure the functions and variables the IPA needs to

diff --git a/gdbsupport/common-defs.h b/gdbsupport/common-defs.h
index 8ec559e9b680ccb3e58b266c06a2c5df9facf7ee..6120719480b827ee65ecf341a080cdcc83c36a16 100644 (file)
--- a/gdbsupport/common-defs.h
+++ b/gdbsupport/common-defs.h
@@ -187,17 +187,8 @@
 #undef ATTRIBUTE_NONNULL
 #define ATTRIBUTE_NONNULL(m)
 
-#if GCC_VERSION >= 3004
 #define ATTRIBUTE_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
-#else
-#define ATTRIBUTE_UNUSED_RESULT
-#endif
-
-#if (GCC_VERSION > 4000)
 #define ATTRIBUTE_USED __attribute__ ((__used__))
-#else
-#define ATTRIBUTE_USED
-#endif
 
 #include "libiberty.h"
 #include "pathmax.h"