diff options
Diffstat (limited to 'gcc/c-family')
| -rw-r--r-- | gcc/c-family/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/c-family/c-cppbuiltin.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index 9886dcd86b2..3d959492d11 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,8 @@ +2017-09-09 Jonathan Wakely <jwakely@redhat.com> + + PR c++/81852 + * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_threadsafe_static_init. + 2017-09-04 Marek Polacek <polacek@redhat.com> PR c/81783 diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c index 8f377f698a6..4330c9102d9 100644 --- a/gcc/c-family/c-cppbuiltin.c +++ b/gcc/c-family/c-cppbuiltin.c @@ -987,6 +987,8 @@ c_cpp_builtins (cpp_reader *pfile) } if (flag_new_ttp) cpp_define (pfile, "__cpp_template_template_args=201611"); + if (flag_threadsafe_statics) + cpp_define (pfile, "__cpp_threadsafe_static_init=200806"); } /* Note that we define this for C as well, so that we know if __attribute__((cleanup)) will interface with EH. */ |