8238386: (sctp) jdk.sctp/unix/native/libsctp/SctpNet.c "multiple definition" link errors with GCC10
Fixed libsctp link errors caused by GCC10 default -fno-common
Reviewed-by: chegar
diff --git a/src/jdk.sctp/unix/native/libsctp/Sctp.h b/src/jdk.sctp/unix/native/libsctp/Sctp.h
index cc1367f..d6810d6 100644
--- a/src/jdk.sctp/unix/native/libsctp/Sctp.h
+++ b/src/jdk.sctp/unix/native/libsctp/Sctp.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -322,12 +322,12 @@
#endif /* __linux__ */
-sctp_getladdrs_func* nio_sctp_getladdrs;
-sctp_freeladdrs_func* nio_sctp_freeladdrs;
-sctp_getpaddrs_func* nio_sctp_getpaddrs;
-sctp_freepaddrs_func* nio_sctp_freepaddrs;
-sctp_bindx_func* nio_sctp_bindx;
-sctp_peeloff_func* nio_sctp_peeloff;
+extern sctp_getladdrs_func* nio_sctp_getladdrs;
+extern sctp_freeladdrs_func* nio_sctp_freeladdrs;
+extern sctp_getpaddrs_func* nio_sctp_getpaddrs;
+extern sctp_freepaddrs_func* nio_sctp_freepaddrs;
+extern sctp_bindx_func* nio_sctp_bindx;
+extern sctp_peeloff_func* nio_sctp_peeloff;
jboolean loadSocketExtensionFuncs(JNIEnv* env);
diff --git a/src/jdk.sctp/unix/native/libsctp/SctpNet.c b/src/jdk.sctp/unix/native/libsctp/SctpNet.c
index d40c15a..b8d0ad8 100644
--- a/src/jdk.sctp/unix/native/libsctp/SctpNet.c
+++ b/src/jdk.sctp/unix/native/libsctp/SctpNet.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -43,6 +43,13 @@
static const char* nativeSctpLib = "libsctp.so.1";
static jboolean funcsLoaded = JNI_FALSE;
+sctp_getladdrs_func* nio_sctp_getladdrs;
+sctp_freeladdrs_func* nio_sctp_freeladdrs;
+sctp_getpaddrs_func* nio_sctp_getpaddrs;
+sctp_freepaddrs_func* nio_sctp_freepaddrs;
+sctp_bindx_func* nio_sctp_bindx;
+sctp_peeloff_func* nio_sctp_peeloff;
+
JNIEXPORT jint JNICALL DEF_JNI_OnLoad
(JavaVM *vm, void *reserved) {
return JNI_VERSION_1_2;
