compiler: use weak aliases to provide default definitions

This is simpler and more portable.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/qmp.c b/qmp.c
index 31bc3bfdd1..df952b60bc 100644
--- a/qmp.c
+++ b/qmp.c
@@ -466,11 +466,12 @@ DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
     return prop_list;
 }
 
-CpuDefinitionInfoList GCC_WEAK *arch_query_cpu_definitions(Error **errp)
+static CpuDefinitionInfoList *default_arch_query_cpu_definitions(Error **errp)
 {
     error_set(errp, QERR_NOT_SUPPORTED);
     return NULL;
 }
+QEMU_WEAK_ALIAS(arch_query_cpu_definitions, default_arch_query_cpu_definitions);
 
 CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
 {