diff options
author | 2020-12-23 03:41:08 +0100 | |
---|---|---|
committer | 2020-12-23 03:41:08 +0100 | |
commit | 52a327c1cbb86c7f2f5c460645889b23615261bf (patch) | |
tree | df67ef901c5300349c073e8031c4d410ba016ca7 /configure | |
parent | Fix typos in sysmodule (GH-23883) (diff) | |
download | cpython-52a327c1cbb86c7f2f5c460645889b23615261bf.tar.gz cpython-52a327c1cbb86c7f2f5c460645889b23615261bf.tar.bz2 cpython-52a327c1cbb86c7f2f5c460645889b23615261bf.zip |
bpo-39465: Add pycore_atomic_funcs.h header (GH-20766)
Add pycore_atomic_funcs.h internal header file: similar to
pycore_atomic.h but don't require to declare variables as atomic.
Add _Py_atomic_size_get() and _Py_atomic_size_set() functions.
Diffstat (limited to 'configure')
-rwxr-xr-x | configure | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/configure b/configure index f07edfff266..530c04a0ede 100755 --- a/configure +++ b/configure @@ -15429,6 +15429,7 @@ _ACEOF fi + EXT_SUFFIX=.${SOABI}${SHLIB_SUFFIX} { $as_echo "$as_me:${as_lineno-$LINENO}: checking LDVERSION" >&5 @@ -17095,16 +17096,17 @@ $as_echo "#define HAVE_STD_ATOMIC 1" >>confdefs.h fi -# Check for GCC >= 4.7 __atomic builtins -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GCC >= 4.7 __atomic builtins" >&5 -$as_echo_n "checking for GCC >= 4.7 __atomic builtins... " >&6; } +# Check for GCC >= 4.7 and clang __atomic builtin functions +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for builtin __atomic_load_n and __atomic_store_n functions" >&5 +$as_echo_n "checking for builtin __atomic_load_n and __atomic_store_n functions... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ - volatile int val = 1; + int val; int main() { - __atomic_load_n(&val, __ATOMIC_SEQ_CST); + __atomic_store_n(&val, 1, __ATOMIC_SEQ_CST); + (void)__atomic_load_n(&val, __ATOMIC_SEQ_CST); return 0; } |