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meson.build: fix intel atomics detection

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Use the stronger compiler.link() test (instead of the weaker
compiler.compile()) to fix the intel atomics detection.

Fixes false positive in case of sparc compile (buildroot toolchain).

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
This commit is contained in:
Peter Seiderer 2018-07-16 23:01:40 +02:00 • committed by Eric Engestrom
parent 02e1d0ff8b
commit 8de2696213
1 changed files with 2 additions and 1 deletions
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meson.build
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@ -52,9 +52,10 @@ intel_atomics = false
lib_atomics = false
dep_atomic_ops = dependency('atomic_ops', required : false)
if cc.compiles('''
if cc.links('''
int atomic_add(int *i) { return __sync_add_and_fetch (i, 1); }
int atomic_cmpxchg(int *i, int j, int k) { return __sync_val_compare_and_swap (i, j, k); }
int main() { }
''',
name : 'Intel Atomics')
intel_atomics = true