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authorSverker Eriksson <[email protected]>2016-01-08 15:22:52 +0100
committerSverker Eriksson <[email protected]>2016-01-08 16:45:37 +0100
commit1117dd3651be3cf763abf6fedcd4e06a6444fa04 (patch)
tree924e176e700b200e7623842aa06fad7569fc2ef0 /lib
parent52fc89120c2f2237ec5191e72d844a6dca150040 (diff)
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erts: Allow -fvisibility=hidden for NIFs and drivers
as is strongly recommended by gcc man page. We use __attribute__ ((visibility("default"))) to make sure the init functions are properly exported.
Diffstat (limited to 'lib')
-rw-r--r--lib/crypto/c_src/crypto_callback.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/crypto/c_src/crypto_callback.c b/lib/crypto/c_src/crypto_callback.c
index aab43232c9..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