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-rw-r--r--lib/crypto/c_src/crypto_callback.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/crypto/c_src/crypto_callback.c b/lib/crypto/c_src/crypto_callback.c
index e0de16074c..af9545bd63 100644
--- a/lib/crypto/c_src/crypto_callback.c
+++ b/lib/crypto/c_src/crypto_callback.c
@@ -43,6 +43,10 @@
#ifdef __WIN32__
# define DLLEXPORT __declspec(dllexport)
+#elif defined(__GNUC__) && __GNUC__ >= 4
+# define DLLEXPORT __attribute__ ((visibility("default")))
+#elif defined (__SUNPRO_C) && (__SUNPRO_C >= 0x550)
+# define DLLEXPORT __global
#else
# define DLLEXPORT
#endif
@@ -51,8 +55,6 @@
DLLEXPORT struct crypto_callbacks* get_crypto_callbacks(int nlocks);
-static ErlNifRWLock** lock_vec = NULL; /* Static locks used by openssl */
-
static void nomem(size_t size, const char* op)
{
fprintf(stderr, "Out of memory abort. Crypto failed to %s %zu bytes.\r\n",
@@ -84,6 +86,8 @@ static void crypto_free(void* ptr)
#ifdef OPENSSL_THREADS /* vvvvvvvvvvvvvvv OPENSSL_THREADS vvvvvvvvvvvvvvvv */
+static ErlNifRWLock** lock_vec = NULL; /* Static locks used by openssl */
+
#include <openssl/crypto.h>
static INLINE void locking(int mode, ErlNifRWLock* lock)