Erik, Magnus, Thanks for the quick looks. Here is an updated version that adds the new variable to flags.m4 instead.
http://cr.openjdk.java.net/~sla/8037825/webrev.01/root/ http://cr.openjdk.java.net/~sla/8037825/webrev.01/jdk/ Thanks, /Staffan On 19 mar 2014, at 14:03, Erik Joelsson <erik.joels...@oracle.com> wrote: > Hello, > > Nice work! Removing warnings and enforcing them is definitely something we > like. > > For the makefile change, ideally the new variable WARNINGS_ARE_ERRORS should > be set in configure. I would suggest flags.m4, in > FLAGS_SETUP_COMPILER_FLAGS_MISC. Also, instead of making the conditional on > OS, it should be on the new variable TOOLCHAIN_TYPE. Perhaps the variable > name should contain the word CFLAGS somewhere to make it more obvious what it > applies to. > > /Erik > > On 2014-03-19 13:30, Staffan Larsen wrote: >> The serviceability libraries (as defined by >> jdk/make/lib/ServiceabilityLibraries.gmk) should be compiled with "warnings >> as errors". To enable this all current warnings need to be fixed. >> >> The background for this is that we recently had a bug that could have easily >> been avoided if we had paid attention to the warnings. >> >> webrev: http://cr.openjdk.java.net/~sla/8037825/webrev.00/ >> bug: https://bugs.openjdk.java.net/browse/JDK-8037825 >> >> Thanks, >> /Staffan >> >> >> Here is a list of warnings that I have fixed: >> >> linux-i586 >> >> jdk/src/share/back/eventHandler.c: In function >> 'eventHandler_createPermanentInternal': >> jdk/src/share/back/eventHandler.c:1685: error: cast from pointer to integer >> of different size >> jdk/src/share/back/eventHandler.c: In function >> 'eventHandler_createInternalThreadOnly': >> jdk/src/share/back/eventHandler.c:1694: error: cast from pointer to integer >> of different size >> >> jdk/src/share/back/inStream.c: In function 'inStream_readLong': >> jdk/src/share/back/inStream.c:147: error: integer constant is too large for >> 'long' type >> >> >> macosx >> >> jdk/src/share/back/SDE.c:51:1: warning: "true" redefined >> jdk/src/share/back/SDE.c:52:1: warning: "false" redefined >> >> jdk/src/share/back/log_messages.c: In function ‘get_time_stamp’: >> jdk/src/share/back/log_messages.c:69: warning: format not a string literal, >> argument types not checked >> jdk/src/share/back/log_messages.c: In function ‘log_message_end’: >> jdk/src/share/back/log_messages.c:174: warning: cast from pointer to integer >> of different size >> >> jdk/src/solaris/native/sun/management/MacosxOperatingSystem.c: In function >> 'Java_sun_management_OperatingSystemImpl_getProcessCpuLoad0': >> jdk/src/solaris/native/sun/management/MacosxOperatingSystem.c:136: warning: >> implicit declaration of function 'JVM_ActiveProcessorCount' >> >> >> windows >> >> jdk/src/share/back/error_messages.c(328) : warning C4996: '_sleep': This >> function or variable has been superceded by newer library or operating >> system functionality. Consider using Sleep instead. See online help for >> details. >> >> jdk/src/windows/back/linker_md.c(62) : warning C4013: 'free' undefined; >> assuming extern returning int >> >> jdk/src/share/instrument/PathCharsValidator.c(49) : warning C4267: >> 'initializing' : conversion from 'size_t' to 'int', possible loss of data >> jdk/src/share/instrument/PathCharsValidator.c(62) : warning C4267: >> 'initializing' : conversion from 'size_t' to 'int', possible loss of data >> jdk/src/share/instrument/PathCharsValidator.c(179) : warning C4267: '=' : >> conversion from 'size_t' to 'int', possible loss of data >> >> >> solaris-x64 >> >> jdk/src/share/back/inStream.c, line 147: constant promoted to unsigned long >> long >