diff options
| author | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-09-09 14:32:25 +0000 |
|---|---|---|
| committer | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-09-09 14:32:25 +0000 |
| commit | c0cd88329699c2e51be348670462de0070bb080e (patch) | |
| tree | bce5f25cfe28ea2d0cbb5aeaecdc66cbd8e6ddf1 /gcc/c-family/c-cppbuiltin.c | |
| parent | b5c2a091af6c298a175689922c713ff1b4e7c5ec (diff) | |
PR c++/81852 define feature-test macro for -fthreadsafe-statics
gcc/c-family:
PR c++/81852
* c-cppbuiltin.c (c_cpp_builtins): Define __cpp_threadsafe_static_init.
gcc/testsuite:
PR c++/81852
* g++.dg/cpp1y/feat-cxx11.C: Check __cpp_threadsafe_static_init.
* g++.dg/cpp1y/feat-cxx14.C: Likewise.
* g++.dg/cpp1y/feat-cxx98.C: Likewise.
* g++.dg/cpp1y/feat-neg.C: Likewise.
* g++.dg/cpp1z/feat-cxx1z.C: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@251939 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-family/c-cppbuiltin.c')
| -rw-r--r-- | gcc/c-family/c-cppbuiltin.c | 2 |
1 files changed, 2 insertions, 0 deletions
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. */ |