diff --git a/src/libsodium/include/sodium/export.h b/src/libsodium/include/sodium/export.h
index bee18a78..6d202bc7 100644
--- a/src/libsodium/include/sodium/export.h
+++ b/src/libsodium/include/sodium/export.h
@@ -11,6 +11,7 @@
 
 #ifdef SODIUM_STATIC
 # define SODIUM_EXPORT
+# define SODIUM_EXPORT_WEAK
 #else
 # if defined(_MSC_VER)
 #  ifdef SODIUM_DLL_EXPORT
@@ -31,6 +32,11 @@
 #   define SODIUM_EXPORT __attribute__ ((visibility ("default")))
 #  endif
 # endif
+# ifdef __ELF__
+#  define SODIUM_EXPORT_WEAK SODIUM_EXPORT __attribute__((weak))
+# else
+#  define SODIUM_EXPORT_WEAK SODIUM_EXPORT
+# endif
 #endif
 
 #ifndef CRYPTO_ALIGN
diff --git a/src/libsodium/include/sodium/runtime.h b/src/libsodium/include/sodium/runtime.h
index aefa5c04..d35083d9 100644
--- a/src/libsodium/include/sodium/runtime.h
+++ b/src/libsodium/include/sodium/runtime.h
@@ -8,34 +8,34 @@
 extern "C" {
 #endif
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_neon(void);
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_sse2(void);
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_sse3(void);
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_ssse3(void);
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_sse41(void);
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_avx(void);
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_avx2(void);
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_avx512f(void);
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_pclmul(void);
 
-SODIUM_EXPORT __attribute__((weak))
+SODIUM_EXPORT_WEAK
 int sodium_runtime_has_aesni(void);
 
 /* ------------------------------------------------------------------------- */