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e854e26ef1
A number of recent changes haven't caught all of the locations where warning inhibition can be removed. This patch updates all of the inhibitions to reflect the current state of the tree when built with gcc4.2 Change-Id: I7bad4fee1258f4e37fd729cda84711fed66acbc9 Reviewed-on: http://gerrit.openafs.org/813 Reviewed-by: Derrick Brashear <shadow@dementia.org> Tested-by: Derrick Brashear <shadow@dementia.org>
81 lines
3.9 KiB
Plaintext
81 lines
3.9 KiB
Plaintext
OpenAFS Warning detection
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-------------------------
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There's been a concerted effort over the last few years, by many developers,
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to reduce the number of warnings in the OpenAFS tree. In an attempt to
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prevent warnings from creeping back in, we now have the ability to break the
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build when new warnings appear.
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This is only available for systems with gcc 4.2 or later, and is disabled
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unless the --enable-checking option is supplied to configure. Because we
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can't remove all of the warnings, we permit file by file (and warning by
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warning) disabling of specific warnings. The --enable-checking=all prevents
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this, and errors for any file containing a warning.
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Disabling warnings
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------------------
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If warnings are unavoidable in a particular part of the build, they may be
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disabled in an number of ways.
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You can disable a single warning type in a particular file by using GCC
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pragmas. If a warning can be disabled with a pragma, then the switch to use
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will be listed in the error message you receive from the compiler. Pragmas
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should be wrapped in IGNORE_SOME_GCC_WARNINGS, so that they aren't used
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with non-gcc compilers, and can be disabled if desired. For example:
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#ifdef IGNORE_SOME_GCC_WARNINGS
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# pragma GCC diagnostic warning "-Wold-style-definition"
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#endif
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If a pragma isn't available for your particular warning, you will need to
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disable all warnings for the file in question. You can do this by supplying
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the autoconf macro @CFLAGS_NOERROR@ in the build options for the file. For
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example:
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lex.yy.o : lex.yy.c y.tab.c
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${CC} -c ${CFLAGS} @CFLAGS_NOERROR@ lex.yy.c
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If you add a new warning inhibition, please also add it to the list below.
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Inhibited warnings
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------------------
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afs/afs_syscall.c : old-style
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: strict-proto
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: all (ukernel) : syscall pointer issues
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afsd/afsd.c : deprecated : daemon() marked as deprecated on Darwin
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: all : call_syscall missing prototype
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auth/ktc.c : all (ukernel) : call_syscall doesn't have a prototype
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bozo/bosserver.c : deprecated : daemon() marked as deprecated on Darwin
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bozo/bos.c : all : DES key types & string consts
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bozo/bos_util.c : all : DES key types
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bucoord/ubik_db_if.c : strict-proto : Ubik_Call
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bucoord/commands.c : all : Ubik_Call
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: signed vs unsigned for dates
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butc/tcmain.c : all : prototypes
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butc/tcudbprocs.c : all : ubik_Call
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comerr/error_table.c : all : Autogenerated file with unused labels
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kauth/admin_tools.c : all : ubik_Call nonsense
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kauth/authclient.c : strict-proto : ubik_Call nonsense
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libadmin/bos/afs_bosAdmin.c: all : DES keys, time types, and const
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libadmin/kas/afs_kasAdmin.c: all : Ubik_Call nonsense, DES keys
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libadmin/samples/rxstat_query_peer.c : all : util_RPCStatsStateGet types
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libadmin/samples/rxstat_query_process.c : all : util_RPCStatsStateGet types
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libadmin/test/client.c : all : util_RPCStatsStateGet types
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rxkad/rxkad_server.c : all : Des key nonsense - maybe fixed (no errors in pthread)
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rxkad/ticket5.c : all : CRC functions - maybe fixed (no errors in normal & pthread)
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rx/rx.c : all (pthread) : rxkad_global_stats_init not proto'd
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rx/xdr_rx.c : all (ukernel) : Prototypes don't match due to AFS_XDR_T
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not being used in the xdr header
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ubik/utst_int_ss.c : all : Client / Server symbol collisions
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ubik/beacon.c : all : Ubik uses signed/unsigned
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interchangably for IP addresses, a
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fix will require API changes.
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ubik/ubikclient.c : strict-protos : ubik_Call
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uss/uss_vol.c : all Format issues
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uss/uss_kauth.c : all : Des keys, ubik_Call
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uss/lex.yy.c : all : Unused symbols
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viced/fsprobe.c : all : ubik_Call
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vol/salvager.c : all : consts & undefined variable from header - maybe fixed!
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volser/vol-dump.c : format : afs_sfsize_t
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