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-rw-r--r--absl/random/internal/randen_detect.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/absl/random/internal/randen_detect.cc b/absl/random/internal/randen_detect.cc
index 0ad23cb2..bdeab877 100644
--- a/absl/random/internal/randen_detect.cc
+++ b/absl/random/internal/randen_detect.cc
@@ -48,7 +48,7 @@
#elif ABSL_HAVE_BUILTIN(__cpuid)
// MSVC-equivalent __cpuid intrinsic declaration for clang-like compilers
// for non-Windows build environments.
-void __cpuid(int[4], int);
+extern void __cpuid(int[4], int);
#else
// MSVC-equivalent __cpuid intrinsic function.
static void __cpuid(int cpu_info[4], int info_type) {