On 2017-01-26 15:28, Chris Hegarty wrote:
I’m not sure of the latest status of warnings in the build, but
just to say, libstcp was always built with 0 warnings being
emitted ( the JNI code has unused this/class parameters
that cannot be removed ). If you remove this suppression
won’t the compilation of code from libsctp now produce a
warning for these cannot-be-removed unused parameters?
Misleading development engineers trying to clean up
warnings.

We have a global -Wno-unused-parameter for gcc. This is a common scenario, of functions following a formal pattern even if they don't need all parameters, so it does not really make sense to ever have it enabled.

/Magnus


-Chris.

On 26 Jan 2017, at 13:54, Magnus Ihse Bursie <magnus.ihse.bur...@oracle.com> 
wrote:

When fixing JDK-8081616 <https://bugs.openjdk.java.net/browse/JDK-8081616>, it 
turned out that
DISABLED_WARNINGS_gcc := unused-parameter
seemed to be needed for libsctp in make/lib/Lib-jdk.sctp.gmk.

This is not be needed anymore (and possibly never was).

Bug: https://bugs.openjdk.java.net/browse/JDK-8081694
Patch inline:
diff --git a/make/lib/Lib-jdk.sctp.gmk b/make/lib/Lib-jdk.sctp.gmk
--- a/make/lib/Lib-jdk.sctp.gmk
+++ b/make/lib/Lib-jdk.sctp.gmk
@@ -45,7 +45,6 @@
             $(LIBJAVA_HEADER_FLAGS) \
             -I$(SUPPORT_OUTPUTDIR)/headers/jdk.sctp \
             -I$(SUPPORT_OUTPUTDIR)/headers/java.base, \
-        DISABLED_WARNINGS_gcc := unused-parameter, \
         MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libsctp/mapfile-vers, \
         LDFLAGS := $(LDFLAGS_JDKLIB) \
             $(call SET_SHARED_LIBRARY_ORIGIN), \


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