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meson.build: fix intel atomics detection 

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>
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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