diff options
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 6379a1e..3897bea 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -4838,7 +4838,14 @@ grokdeclarator (const struct c_declarator *declarator, } if (threadp) - DECL_TLS_MODEL (decl) = decl_default_tls_model (decl); + { + if (targetm.have_tls) + DECL_TLS_MODEL (decl) = decl_default_tls_model (decl); + else + /* A mere warning is sure to result in improper semantics + at runtime. Don't bother to allow this to compile. */ + error ("thread-local storage not supported for this target"); + } } if (storage_class == csc_extern |