cf4dd8937a
the support in the rest of the source tree. X11 sets could use some cleaning up perhaps (just deletion, as we've never really marked the old X11R6 as obsolete for native xorg using platforms so far either.)
1033 lines
33 KiB
Plaintext
1033 lines
33 KiB
Plaintext
# $NetBSD: HACKS,v 1.161 2015/07/23 08:03:25 mrg Exp $
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#
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# This file is intended to document workarounds for currently unsolved
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# (mostly) compiler bugs.
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#
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# Format:
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# hack title
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# cdate creation date
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# mdate mod date
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# who responsible developer
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# port ...
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# affected ports, space separated, if not "all"
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# file affected file : revision : line from : line to
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# affected files and revision and line numbers describing hack
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# multiple lines if necessary.
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# pr NNNN ...
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# problem reports this hack works around, if known. Space
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# separated.
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# regress src/regress/directory/where/test/found
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# regression test directories, if available.
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# descr
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# insert short informal description (multi-line). (Longer ones
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# should be in the PR database. More formal descriptions might
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# be in the regress tree. See above).
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# kcah
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# closing bracket.
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#
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# this is a comment.
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hack netstat ieee1394 address printing.
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mdate 14 Nov 2000
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who matt
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file lib/libc/net/getnameinfo.c : 1.32 : 497 : 503
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descr
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Because the current implementation of IP over IEEE1394, the
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fw device address contains more than just the IEEE1394 EUI-64.
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So when printing out IEEE1394 addresses, ignore the extra stuff.
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kcah
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hack xterm vs. libterm
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mdate 01 Aug 2000
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who jdc
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file xsrc/xc/programs/xterm/main.c : 1.2 : 3609 : 3614
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pr 10383
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descr
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In order to extend the termcap string over 1023 bytes, a ZZ entry was
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introduced to point to a memory location containing the full entry.
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Without this hack, xterm will export a termcap containing the ZZ
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entry, which will then be ignored by libterm. As xterm modifies the
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exported termcap, this would cause those modifications to be ignored.
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kcah
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hack wi-at-big-endian-bus
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cdate 15 Mar 2002
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who martin
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file dev/ic/wireg.h
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descr Add an option to access the underlying bus in big endian byte order
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to work around deficiencies in bus_space_{read,write}_* macros.
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Those don't allow the implementation of a proper pcmcia bus space
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tag.
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kcah
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hack specific knowledge of colours in curses code
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cdate Sun Apr 6 11:05:24 BST 2003
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who jdc
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file lib/libcurses/color.c : r1.24
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descr
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Swap red/blue and yellow/cyan colours for COLOR_OTHER.
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Fix is to enhance libtermcap to understand terminfo-style % sequences.
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See also:
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http://mail-index.NetBSD.org/tech-userlevel/2003/04/06/0000.html
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kcah
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hack Compensation for differing types of LINUX_USRSTACK and USRSTACK
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cdate 21 Aug 2003
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who he
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file sys/miscfs/procfs/procfs_linux.c : 1.14
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descr
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Not all ports have LINUX_USRSTACK and/or USRSTACK defined as
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literals/constants, but refer to variables of a type which is
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not "unsigned long", causing compilation of procfs_linux.c to
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fail with "makes integer from pointer without a cast". This
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is observed on e.g. the sun3 port. Ideally the "types" for
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symbols should be consistent across all ports.
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kcah
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hack gcc-strict-aliasing
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cdate 6 August 2004
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who junyoung
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pr 26516
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file src/usr.sbin/racoon/racoon/Makefile : 1.21
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descr
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GCC issues a warning "dereferencing type-punned pointer will break
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strict-aliasing rules" when compiling
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crypto/dist/kame/racoon/crypto/openssl.c with -O[23s]. Note that this
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is due to use of type casting in a non-standard way in the code and
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not a compiler bug. Once a new release of KAME with a proper fix
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applied is imported this should be backed out.
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kcah
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hack gcc4 wrong uninitialized variable
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mdate 10 May 2006
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who mrg
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file bin/ksh/eval.c : 1.6
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file bin/sh/histedit.c : 1.39
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file bin/sh/parser.c : 1.60
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file crypto/dist/heimdal/kdc/524.c : 1.10
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file crypto/dist/ssh/sftp.c : 1.20
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file crypto/dist/ssh/ssh-keysign.c : 1.11
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file dist/ipf/lib/hostname.c : 1.2
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file dist/ipf/tools/ipmon.c : 1.8
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file dist/ntp/ntpd/ntp_request.c : 1.4
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file dist/ntp/ntpd/refclock_shm.c : 1.4
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file dist/ntp/sntp/timing.c : 1.3
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file dist/pppd/pppstats/pppstats.c : 1.3
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file dist/smbfs/lib/smb/rap.c : 1.6
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file dist/tcpdump/print-zephyr.c : 1.5
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file distrib/utils/sysinst/aout2elf.c : 1.12
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file gnu/libexec/uucp/uucico/uucico.c : 1.6
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file lib/libc/citrus/citrus_csmapper.c : 1.6
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file lib/libc/citrus/citrus_pivot_factory.c : 1.5
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file lib/libc/inet/inet_cidr_ntop.c : 1.3
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file lib/libc/inet/inet_ntop.c : 1.3
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file lib/libc/stdio/vfwprintf.c : 1.8
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file libexec/ld.elf_so/arch/m68k/mdreloc.c : 1.20
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file libexec/ld.elf_so/arch/powerpc/ppc_reloc.c : 1.40
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file libexec/ld.elf_so/arch/sh3/mdreloc.c : 1.22
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file libexec/ld.elf_so/arch/sparc/mdreloc.c : 1.39
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file libexec/ld.elf_so/arch/sparc64/mdreloc.c : 1.39
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file libexec/ld.elf_so/arch/vax/mdreloc.c : 1.21
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file libexec/ld.elf_so/arch/x86_64/mdreloc.c : 1.27
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file sbin/fsck_ext2fs/dir.c : 1.19
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file sbin/routed/rtquery/rtquery.c : 1.18
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file sys/arch/amd64/amd64/pmap.c : 1.26
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file sys/arch/i386/pci/piixpcib.c : 1.4
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file sys/arch/m68k/m68k/pmap_motorola.c : 1.4
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file sys/crypto/cast128/cast128.c : 1.9
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file sys/ddb/db_command.c : 1.86
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file sys/dev/cardbus/cardbus_map.c : 1.21
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file sys/dev/fss.c : 1.25
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file sys/dev/ic/igsfb.c : 1.39
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file sys/dev/ic/mb86950.c : 1.5
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file sys/dev/ic/midway.c : 1.71
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file sys/dev/kttcp.c : 1.18
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file sys/dev/rasops/rasops_bitops.h : 1.9
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file sys/dev/pci/cmpci.c : 1.31
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file sys/dev/pci/machfb.c : 1.45
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file sys/dev/usb/ohci.c : 1.174
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file sys/dev/usb/uhci.c : 1.196
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file sys/dev/rasops/rasops_bitops.h : 1.9
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file sys/dist/ipf/netinet/ip_nat.c : 1.10
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file sys/dist/ipf/netinet/ip_rpcb_pxy.c : 1.8
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file sys/dist/pf/net/pf.c : 1.22
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file sys/fs/udf/udf_vnops.c : 1.4
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file sys/kern/kern_sig.c : 1.219
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file sys/kern/tty.c : 1.181
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file sys/net/bpf.c : 1.116
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file sys/net/zlib.c : 1.26
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file sys/netccitt/if_x25subr.c : 1.37
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file sys/netinet/in.c : 1.107
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file sys/netsmb/smb_smb.c : 1.27
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file sys/netsmb/smb_trantcp.c : 1.22
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file sys/nfs/nfs_serv.c : 1.108
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file sys/nfs/nfs_socket.c : 1.129
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file sys/nfs/nfs_syscalls.c : 1.91
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file sys/ufs/lfs/lfs_vfsops.c : 1.207 [also (char *)]
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file usr.bin/ftp/ftp.c : 1.140
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file usr.bin/find/function.c : 1.54
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file usr.bin/mail/tty.c : 1.20
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file usr.bin/msgc/msg_sys.def : 1.33-1.34
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file usr.bin/nl/nl.c : 1.7
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file usr.bin/systat/keyboard.c : 1.23
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file usr.bin/usbhidctl/usbhid.c : 1.29
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file usr.bin/vi/cl/cl_read.c : 1.5
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file usr.bin/vi/ex/ex_cscope.c : 1.12
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file usr.bin/vi/ex/ex_tag.c : 1.19
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file usr.bin/vi/vi/v_txt.c : 1.15
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file usr.sbin/altq/altqstat/qdisc_rio.c : 1.4
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file usr.sbin/cron/do_command.c : 1.19
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file usr.sbin/timed/timed/slave.c : 1.15
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descr
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GCC 4.1 gets many uninitialised variable warnings wrong. We should
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really audit all the old hacks like this when older compilers are
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removed from the tree, as many are probably no longer required.
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The problem is that it does not recognize initialization via function
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call pointer. I.e.
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int p;
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foo(&p);
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does not mark p as initialized.
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kcah
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hack gcc4 pointer sign and strict aliasing problems
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mdate 10 May 2006
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who mrg
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file bin/ed/Makefile : 1.33
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file distrib/utils/sysinst/Makefile.inc : 1.44
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file distrib/utils/x_dhclient/Makefile : 1.15
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file games/bcd/Makefile : 1.5
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file games/dab/Makefile : 1.5
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file games/larn/Makefile : 1.17
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file games/pom/Makefile : 1.5
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file lib/libasn1/Makefile : 1.26
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file lib/libcrypt/Makefile : 1.17
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file lib/libgssapi/Makefile : 1.16
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file lib/libhdb/Makefile : 1.20
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file lib/libkadm5clnt/Makefile : 1.21
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file lib/libkadm5srv/Makefile : 1.25
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file lib/libkrb5/Makefile : 1.35
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file lib/libssh/Makefile : 1.6
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file lib/libtelnet/Makefile : 1.26
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file libexec/getty/Makefile : 1.14
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file libexec/kadmind/Makefile : 1.19
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file libexec/kpasswdd/Makefile : 1.14
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file sbin/atactl/Makefile : 1.3
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file sbin/cgdconfig/Makefile : 1.7
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file sbin/clri/Makefile : 1.13
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file sbin/dkctl/Makefile : 1.4
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file sbin/dump/Makefile : 1.33
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file sbin/fdisk/Makefile : 1.35
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file sbin/fsck_ext2fs/Makefile : 1.11
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file sbin/fsck_ffs/Makefile : 1.29
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file sbin/fsdb/Makefile : 1.18
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file sbin/mount_smbfs/Makefile : 1.4
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file sbin/newfs/Makefile : 1.30
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file sbin/newfs_sysvbfs/Makefile : 1.2
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file sbin/restore/Makefile : 1.23
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file sbin/veriexecctl/Makefile : 1.11
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file sys/lib/libsa/Makefile : 1.59
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file sys/arch/evbarm/adi_brh/brh_machdep.c : 1.24
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file usr.bin/awk/Makefile : 1.9
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file usr.bin/crontab/Makefile : 1.24
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file usr.bin/ctags/Makefile : 1.8
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file usr.bin/gzip/Makefile : 1.10
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file usr.bin/ssh/sftp/Makefile : 1.10
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file usr.bin/ssh/ssh/Makefile : 1.25
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file usr.bin/vi/build/Makefile : 1.26
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file usr.bin/telnet/Makefile : 1.40
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file usr.bin/tn3270/tn3270/Makefile : 1.36
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file usr.bin/tr/Makefile : 1.4
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file usr.sbin/amd/amd/Makefile : 1.27
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file usr.sbin/amd/amq/Makefile : 1.14
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file usr.sbin/amd/libamu/Makefile : 1.20
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file usr.sbin/amd/pawd/Makefile : 1.5
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file usr.sbin/bind/Makefile.inc : 1.22
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file usr.sbin/bind/libdns/Makefile : 1.3
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file usr.sbin/bind/named/Makefile : 1.17
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file usr.sbin/bootp/bootptest/Makefile : 1.2
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file usr.sbin/chrtbl/Makefile : 1.6
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file usr.sbin/cron/Makefile : 1.12
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file usr.sbin/dhcp/Makefile.inc : 1.20
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file usr.sbin/dumplfs/Makefile : 1.11
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file usr.sbin/hprop/Makefile : 1.13
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file usr.sbin/installboot/Makefile : 1.35
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file usr.sbin/ipf/ipftest/Makefile : 1.32
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file usr.sbin/isdn/isdnd/Makefile : 1.6
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file usr.sbin/isdn/isdnmonitor/Makefile : 1.3
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file usr.sbin/isdn/isdntel/Makefile : 1.2
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file usr.sbin/isdn/isdntrace/Makefile : 126
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file usr.sbin/mopd/common/Makefile : 1.10
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file usr.sbin/mopd/mopd/Makefile : 1.9
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file usr.sbin/mopd/mopprobe/Makefile : 1.7
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file usr.sbin/makefs/Makefile : 1.17
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file usr.sbin/mscdlabel/Makefile : 1.5
|
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file usr.sbin/pkg_install/add/Makefile : 1.7
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file usr.sbin/pkg_install/create/Makefile : 1.5
|
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file usr.sbin/pkg_install/lib/Makefile : 1.28
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file usr.sbin/ntp/ntpd/Makefile : 1.10/1.11
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file usr.sbin/ntp/ntptime/Makefile : 1.4/1.5
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file usr.sbin/pppd/Makefile.inc : 1.3
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file usr.sbin/pppd/pppd/Makefile : 1.38
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file usr.sbin/rarpd/Makefile : 1.10
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file usr.sbin/rbootd/Makefile : 1.10
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file usr.sbin/rpc.pcnfsd/Makefile : 1.17
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file usr.sbin/rtadvd/Makefile : 1.9
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file usr.sbin/tcpdump/Makefile : 1.42
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file usr.sbin/wiconfig/Makefile : 1.3
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descr
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GCC 4.1 warns on pointer sign comparision/assignments and lots of
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code does not conform. For now we use -Wno-pointer-sign and
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-fno-strict-aliasing.
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kcah
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hack disable ctf for gcc-4.8 build
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mdate April 3 2014
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who christos
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file external/gpl3/gcc/usr.bin/Makefile.frontend : 1.4
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file external/gpl3/gcc/usr.bin/Makefile.backend : 1.5
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descr
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nbctfconvert -g -L VERSION -g fold-const.o
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ERROR: fold-const.c: failed to get mapping for tid 79154 \
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((null)) <13532>
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kcak
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hack emacs aborting on exit (libgcc issue)
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mdate 7 November 2011
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who christos
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file external/gpl3/gcc/dist/gcc/unwind-dw2-fde.c : 1.2
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descr
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GCC 4.5.3 now calls __unregister_frame_info_bases() on unloading/exit
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to do just that. If the symbol requested is not found, then it aborts.
|
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emacs 23.3 triggers this assertion. For now disable aborting, and
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silently ignore.
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kcah
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hack cross-building hack on Darwin
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mdate 20 July 2008
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who agc
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file src/distrib/common/Makefile.mdset : 1.33
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descr
|
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Darwin has problems with getopt() when used in mdsetimage -v,
|
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due to the difference between BSD and libiberty() getopt
|
|
implementations, more fully described in
|
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http://mail-index.netbsd.org/current-users/2008/06/27/msg003242.html
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and the subsequent thread. For just now, we just have an ugly
|
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workaround not to call mdsetimage with the -v argument on Darwin
|
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kcah
|
|
|
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hack avoid rebuilding asn1 libraries
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mdate 03 August 2008
|
|
who veego
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|
file src/crypto/dist/heimdal/lib/asn1/gen.c : 1.10
|
|
file src/lib/libasn1/Makefile : 1.32
|
|
file src/lib/libhdb/Makefile : 1.23
|
|
file src/lib/libgssapi/Makefile : 1.20
|
|
file src/lib/libhx509/Makefile : 1.3
|
|
pr 9702 39185
|
|
descr
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|
asn1_compile does not check if generated header files do not have to
|
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be rebuild.
|
|
Generate .hx files and copy it in the Makefiles if they changed.
|
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kcah
|
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|
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hack avoid gcc4 -O1 bug in loop optimize
|
|
cdate 29 November 2008
|
|
who tsutsui
|
|
file src/sbin/ifconfig/Makefile : 1.39
|
|
pr 40036 40066
|
|
descr
|
|
gcc -O1 seems to generate wrong code in loop optimize so that
|
|
ifconfig lo0 inet6 doesn't return error even if a kernel
|
|
doesn't have IPv6 support. (see the above PRs for details)
|
|
For workaround, specify -fno-loop-optimize on m68000,
|
|
which uses -O1 by default.
|
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kcah
|
|
|
|
hack MKPIE ldscript for /usr.sbin/crash
|
|
cdate 22 April 2010
|
|
who christos
|
|
file src/usr.sbin/crash/Makefile : 1.5
|
|
file src/usr.sbin/crash/ldscript.crash : 1.1
|
|
pr N/A
|
|
descr
|
|
fixed in binutils-2.20.1. Linking with MKPIE=yes causes overlapping
|
|
sections
|
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kcah
|
|
|
|
hack Disable fortification for /usr/bin/makeinfo
|
|
cdata 24 Mar 2014
|
|
who tron
|
|
file src/gnu/usr.bin/texinfo/makeinfo/Makefile : 1.8
|
|
pr N/A
|
|
descr
|
|
If "makeinfo" is compiled with "-D_FORTIFY_SOURCE=2" using GCC 4.8.3
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|
it fails to process certain texinfo files, e.g. "cl.texi"
|
|
included in the Emacs 24.3 distribution.
|
|
kcah
|
|
|
|
hack Disable Stack Smash Protection for /usr/X11R7/bin/xauth
|
|
cdata 05 Apr 2014
|
|
who tron
|
|
file src/external/mit/xorg/bin/xauth/Makefile : 1.4
|
|
pr N/A
|
|
descr
|
|
If "xauth" is compile with "USE_SSP" set to "yes" it fails
|
|
mysteriously with an error message like this:
|
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|
|
/usr/X11R7/bin/xauth: file /foo/bar/.Xauthority does not exist
|
|
/usr/X11R7/bin/xauth: unable to link authority file /foo/bar/.Xauthority, use /foo/bar/.Xauthority
|
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|
|
The compiler seems to get confused about the two filename variables
|
|
used in the link(2) system call.
|
|
kcah
|
|
|
|
hack g++ 5.1 barfs on volatile in initializers
|
|
cdata 26 Jun 2015
|
|
who pooka
|
|
file src/lib/libpthread/pthread_types.h : 1.14
|
|
file src/lib/libpthread/pthread_types.h : 1.15
|
|
pr lib/49989
|
|
descr
|
|
Trying to use e.g. pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER
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|
in C++ results in:
|
|
error: temporary of non-literal type '__pthread_mutex_st'
|
|
in a constant expression
|
|
constexpr mutex() _NOEXCEPT : __m_(PTHREAD_MUTEX_INITIALIZER) {}
|
|
[...]
|
|
include/pthread_types.h:101:8: note: '__pthread_mutex_st' is
|
|
not literal because:
|
|
struct __pthread_mutex_st {
|
|
^
|
|
include/pthread_types.h:103:17: note: non-static data
|
|
member '__pthread_mutex_st::ptm_errorcheck' has volatile type
|
|
pthread_spin_t ptm_errorcheck;
|
|
kcah
|
|
|
|
port vax
|
|
|
|
hack gcc4/vax ICE
|
|
cdate
|
|
who tsutsui
|
|
file sys/arch/vax/conf/Makefile.vax
|
|
descr
|
|
GCC4 on vax gets ICE on compiling sys/ddb/db_command.c.
|
|
-fno-tree-ter prevents it so add it to COPTS.
|
|
kcah
|
|
|
|
hack gcc4/vax compiler crash
|
|
cdate Fri Jun 30 22:39:12 PDT 2006
|
|
who mrg
|
|
file bin/csh/Makefile : 1.27
|
|
file lib/i18n_module/UTF7/Makefile : 1.2
|
|
descr
|
|
GCC4 on vax crashes. -O0 stops it happening so far...
|
|
kcah
|
|
|
|
hack gcc 2.95/vax doesn't like abort being used as function pointer
|
|
cdate Tue Dec 13 05:54:50 GMT 2005
|
|
who jmc
|
|
file lib/libc/rpc/svc_vc.c 1.15
|
|
descr
|
|
Provide a local definition for abort which doesn't include
|
|
the noreturn attribute which trips up gcc 2.95 on vax.
|
|
kcah
|
|
|
|
hack gcc 2.95/vax doesn't have stdbool.h and gettext needs it
|
|
cdate Mon May 9 12:16:22 CDT 2005
|
|
who jmc
|
|
file gnu/usr.bin/gettext/Makefile.inc.prog 1.5
|
|
gnu/usr.bin/gettext/libgrep/Makefile 1.3
|
|
gnu/usr.bin/gettext/libnlspr/Makefile 1.5
|
|
gnu/usr.bin/gettext/libnlsut/Makefile 1.3
|
|
descr
|
|
The latest gettext assumes a C99 environment or at least
|
|
configure checks to work around this. As we don't use configure
|
|
provide a stdbool.h for vax builds locally in directories from
|
|
the template provided by the gettext code.
|
|
kcah
|
|
|
|
hack gcc 2.95/vax cannot handle __builtin_ffs()
|
|
cdate Fri Aug 23 21:31:15 CEST 2002
|
|
who ragge
|
|
file sys/lib/libkern/libkern.h : 1.42
|
|
descr
|
|
__builtin_ffs() is ifdef'd away if __vax__. Matt Thomas has
|
|
added this feature to GCC 3 so it can be removed when switching.
|
|
kcah
|
|
|
|
hack gcc 2.95/vax libbz2
|
|
mdate 27 Jun 2002
|
|
who thorpej
|
|
file lib/libbz2/Makefile
|
|
descr
|
|
libbz2 is mis-compiled with optimization with GCC 2.95.3
|
|
on VAX. -O0 works around this problem.
|
|
kcah
|
|
|
|
hack vax Toolchain bug
|
|
cdate 28 Mar 2003
|
|
who he
|
|
file sys/arch/vax/vax/intvec.S : 1.5
|
|
descr
|
|
Workaround for PR toolchain/20924. The assembler apparently
|
|
tries to range-check byte offsets when it doesn't have
|
|
sufficient information to make that decision.
|
|
Workaround uses `brw' instead of `brb' instruction.
|
|
kcah
|
|
|
|
hack vax gcc 2.95.3 -Wuninitialized workarounds
|
|
cdate 6 Nov 2003
|
|
who he
|
|
file sys/dev/bi/if_ni.c : 1.22
|
|
file sys/arch/vax/vax/ctu.c : 1.20
|
|
descr
|
|
Workaround for gcc 2.95.3 failing to detect that certain
|
|
variables will be initialized; so that this code compiles
|
|
with -Wuninitialized. Should be reviewed and possibly
|
|
reverted when gcc 3.3.2 is ready for vax.
|
|
kcah
|
|
|
|
hack vax gcc 2.95.3 structure initialization
|
|
cdat 13 May 2004
|
|
who cl
|
|
file sys/miscfs/kernfs/kernfs_vnops.c : 1.104
|
|
descr
|
|
Workaround for gcc 2.95.3 failing to initialize structures
|
|
and/or unions inside structures using nested designators.
|
|
Should be reverted when gcc >=3.3.3 is ready for vax.
|
|
kcah
|
|
|
|
hack vax gcc 2.95.3 needs -I. to build nslexer.c
|
|
cdat 6 Jun 2004
|
|
who mhitch
|
|
file lib/libc/arch/vax/Makefile.inc : 1.6
|
|
descr
|
|
It appears necessary to add -I. to CPPFLAGS when building
|
|
nslesxer.c. This may be caused by gcc 2.95.3 being used.
|
|
Should be reverted when a newer gcc is ready for vax.
|
|
kcah
|
|
|
|
hack vax gcc 2.95.3 doesn't understand "-std=c99"
|
|
cdat 5 April 2005
|
|
who tron
|
|
file src/share/mk/bsd.sys.mk
|
|
descr
|
|
We cannot use "-std=c99" for compiler warning level 4 and above
|
|
because gcc 2.95.3 doesn't support that option.
|
|
kcah
|
|
|
|
hack declare boolean_t in two IPF user-mode programs
|
|
cdate Tue Mar 7 19:19:20 CET 2006
|
|
who he
|
|
file dist/ipf/ipsend/iptests.c : 1.8
|
|
dist/ipf/ipsend/sock.c : 1.7
|
|
descr
|
|
The IPF user-mode programs ipsend and iptest first
|
|
include <sys/types.h> without _KERNEL defined, and
|
|
later include <sys/file.h> with _KERNEL defined.
|
|
This causes a build failure when building for vax,
|
|
since <sys/device.h> ends up being included without
|
|
bollean_t being defined by <sys/types.h>.
|
|
Build failure and further details documented in
|
|
PR#32907.
|
|
kcah
|
|
|
|
hack pcc 0.9.9 large string literals
|
|
cdat 8 July 2008
|
|
who gmcgarry
|
|
file sys/conf/param.c : 1.58
|
|
descr
|
|
Workaround for pcc 0.9.9 not handling large string literals
|
|
which causes kernels with 'options INCLUDE_CONFIG_FILE' to
|
|
fail compilation.
|
|
There is a proposal on the pcc mailing list to stuff config
|
|
file in ELF section.
|
|
kcah
|
|
|
|
hack xorg warnings
|
|
cdat 30 July 2008, 3 June, 2013
|
|
who mrg
|
|
file external/mit/xorg/lib/libSM/Makefile : 1.2
|
|
external/mit/xorg/lib/libX11/Makefile.libx11 : 1.10
|
|
external/mit/xorg/lib/libXext/Makefile : 1.2
|
|
external/mit/xorg/lib/libXfont/Makefile : 1.2
|
|
descr
|
|
Disable several warnings or use -Wno-error across Xorg sources
|
|
while we get them working
|
|
kcah
|
|
|
|
hack 32 bit time leftovers
|
|
cdat 11 January 2009
|
|
who christos
|
|
file lib/libc/time/localtime.c : 1.41
|
|
lib/libc/time/zic.c : 1.23
|
|
descr
|
|
The timezone compiled files still contain 32 bit time_t
|
|
quantities. I did not want to version the files because
|
|
the ``parser'' is too ugly for words. What needs to be
|
|
done, is to rewrite the parser from scratch also to avoid
|
|
potential core-dumps from parsing invalid files.
|
|
kcah
|
|
|
|
hack 32 bit time leftovers
|
|
cdat 11 January 2009
|
|
who christos
|
|
file various
|
|
descr
|
|
Many filesystem on-disk formats have 32 bit times.
|
|
kcah
|
|
|
|
hack gcc 4.5 fsdb miscompile
|
|
date Sat Nov 9 11:03:02 EST 2013
|
|
who christos
|
|
file src/sbin/fsdb/Makefile : 1.36 (and earlier)
|
|
descr
|
|
src/sbin/fsdb/fsdb.c: In function 'findblk':
|
|
src/sbin/fsdb/fsdb.c:610:1: error: unrecognizable insn:
|
|
(insn 941 940 942 134 src/sbin/fsdb/fsdb.c:589 (set (reg:SI 604)
|
|
(subreg:SI (mem/s/j:DI (plus:SI (mult:SI (reg:SI 602)
|
|
(const_int 8 [0x8]))
|
|
(reg/f:SI 601)) [0 curinode.99_378->dp2.di_ib S8 A32]) 4)) \
|
|
-1 (nil))
|
|
src/sbin/fsdb/fsdb.c:610:1: internal compiler error: in \
|
|
extract_insn, at recog.c:2103
|
|
kcah
|
|
|
|
hack gcc 4.8 gcc miscompiles
|
|
date Sat Nov 9 16:35:18 EST 2013
|
|
who christos
|
|
file distrib/utils/x_ping/Makefile
|
|
file distrib/vax/miniroot/Makefile.inc
|
|
file distrib/vax/ramdisk/Makefile
|
|
file external/gpl3/gdb/lib/libdecnumber/Makefile
|
|
file sbin/fsdb/Makefile
|
|
file sbin/newfs_ext2fs/Makefile
|
|
file sbin/ping/Makefile
|
|
file usr.sbin/lmcconfig/Makefile
|
|
file usr.sbin/mtrace/Makefile
|
|
descr
|
|
external/gpl3/gcc/dist/gcc/expmed.c:2781:1:
|
|
internal compiler error: in change_address_1, at emit-rtl.c:2019
|
|
external/gpl3/gcc/dist/gcc/recog.c:770:1:
|
|
internal compiler error: in change_address_1, at emit-rtl.c:2019
|
|
external/gpl3/gcc/dist/libdecnumber/decNumber.c:7214:3:
|
|
internal compiler error: in change_address_1, at emit-rtl.c:2019
|
|
sbin/ping/ping.c:679:1:
|
|
internal compiler error: in change_address_1, at emit-rtl.c:2019
|
|
sbin/newfs_ext2fs/mke2fs.c:681:1:
|
|
internal compiler error: in reload_combine_note_use,
|
|
at postreload.c:1561
|
|
external/gpl3/gdb/dist/libdecnumber/decNumber.c:7214:3:
|
|
internal compiler error: in change_address_1, at emit-rtl.c:2019
|
|
usr.sbin/lmcconfig/lmcconfig.c:939:3:
|
|
internal compiler error: in reload_combine_note_use,
|
|
at postreload.c:1561
|
|
usr.sbin/mtrace/mtrace.c:1655:1:
|
|
internal compiler error: in change_address_1, at emit-rtl.c:2019
|
|
kcah
|
|
|
|
port arm
|
|
|
|
hack gcc-unsigned-compare
|
|
cdate 09 Mar 2002
|
|
mdate 18 Mar 2002
|
|
who bjh21
|
|
file dist/bind/lib/nameser/ns_parse.c : 1.3
|
|
file dist/dhcp/minires/ns_parse.c : 1.3
|
|
file dist/dhcp/omapip/result.c : 1.2
|
|
file dist/dhcp/server/failover.c : 1.3
|
|
file gnu/dist/toolchain/bfd/bfd.c : 1.2
|
|
file gnu/dist/toolchain/bfd/format.c : 1.2
|
|
file gnu/dist/toolchain/gdb/target.c : 1.2
|
|
file sys/kern/vfs_subr.c : 1.172
|
|
descr When checking that a potentially-unsigned enum is >= 0, assign
|
|
it to an int first. This is necessary to avoid "comparison is
|
|
always true" warnings with -fshort-enums. Casting to an int
|
|
really should be enough, but turns out not to be.
|
|
kcah
|
|
|
|
hack gcc-4.5 arm CNAME hostname lookup failure on
|
|
certain DNS environment (probably -ftree-ter problem)
|
|
cdate Sat Dec 24 04:59:00 UTC 2011
|
|
mdate
|
|
who tsutsui
|
|
file lib/libc/net/Makefile.inc 1.79
|
|
descr Hostname lookup against CNAMEs by some commands fails
|
|
on certain DNS environments if lib/libc/net/gethnamaddr.c
|
|
(ping(8) etc) and lib/libc/net/getaddrinfo.c (ftp(1) etc)
|
|
are compiled with -O2, even though nslookup(1) against
|
|
the same CNAME returns proper hostname.
|
|
They works properly if compiled with -O2 -fno-tree-ter.
|
|
Also -O2 fails but -O2 -fno-tree-ter works on the following
|
|
test case in gcc bugzilla:
|
|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48863#c4
|
|
kcah
|
|
|
|
hack gcc-4.5 arm without -fno-tree-vrp generate broken code
|
|
cdate Wed Nov 14 13:02:02 JST 2012
|
|
who msaitoh
|
|
file lib/libc/softfloat/Makefile.inc
|
|
pr 46953
|
|
regress src/tests/lib/libm/t_cbrt
|
|
regress src/tests/lib/libm/t_ceil
|
|
regress src/tests/lib/libm/t_exp
|
|
regress src/tests/lib/libm/t_log
|
|
regress src/tests/lib/libm/t_scalbn
|
|
regress src/tests/lib/libm/t_sinh
|
|
regress src/tests/lib/libm/t_sqrt
|
|
descr Gcc has a bug in tree optimization. For adddf3,
|
|
-INF + -INF returns 0 without -fno-tree-vrp.
|
|
Debugging with -fdump-tree-all shows that
|
|
softfloat.c.021t.cleanup_cfg is ok but softfloat.c.023t.ssa
|
|
is broken.
|
|
kcah
|
|
|
|
port sh3
|
|
|
|
hack gcc4-sh3-bz2
|
|
cdate Sun May 21 03:34:57 UTC 2006
|
|
mdate Fri May 16 13:13:00 UTC 2008
|
|
who mrg, tsutsui
|
|
file lib/libbz2/Makefile : 1.10
|
|
descr
|
|
The in-tree GCC 4.1-based compiler generated too-far
|
|
pc-relative addresses. Hack is to build with
|
|
-fno-loop-optimize.
|
|
kcah
|
|
|
|
port sh3eb
|
|
hack gcc4.8.1
|
|
cdate Thu Nov 7 16:31:23 EST 2013
|
|
who christos
|
|
file src/sys/rump/net/lib/libnetbt/Makefile : 1.2
|
|
desrc
|
|
for profiling
|
|
compile l2cap_signal.c with -O0 to avoid:
|
|
./netbt/l2cap_signal.c:36:
|
|
/p/netbsd/cvsroot/src/sys/rump/net/lib/libnetbt/../../../../\
|
|
netbt/l2cap_signal.c: In function 'l2cap_recv_signal':
|
|
./sh3/byte_swap.h:20:2: error: 'asm' operand requires \
|
|
impossible reload
|
|
__asm volatile ("swap.b %1,%0" : "=r"(rval) : "r"(x));
|
|
kcah
|
|
|
|
port sh3el
|
|
hack gcc4.8.1
|
|
cdate Fri Nov 8 19:27:01 EST 2013
|
|
who christos
|
|
file src/external/bsd/libevent/lib/libevent/Makefile : 1.2
|
|
desrc
|
|
for profiling
|
|
compile evdns.c with -O0 to avoid:
|
|
./sh3/byte_swap.h:20:2: error: 'asm' operand requires \
|
|
impossible reload
|
|
__asm volatile ("swap.b %1,%0" : "=r"(rval) : "r"(x));
|
|
kcah
|
|
|
|
hack gcc4.8.1
|
|
cdate Fri Nov 8 19:34:48 EST 2013
|
|
who christos
|
|
file src/usr.sbin/racoon/Makefile : 1.27
|
|
desrc
|
|
for profiling
|
|
compile ipsec_doi.c with -O0 to avoid:
|
|
./sh3/byte_swap.h:20:2: error: 'asm' operand requires \
|
|
impossible reload
|
|
__asm volatile ("swap.b %1,%0" : "=r"(rval) : "r"(x));
|
|
kcah
|
|
|
|
port m68000
|
|
|
|
hack gcc4-m68000
|
|
cdate Fri Feb 8 10:29:37 PST 2008
|
|
mdate Sun May 4 15:37:19 UTC 2008
|
|
who mrg, tsutsui
|
|
file rescue/Makefile : 1.21
|
|
file sbin/dump_lfs/Makefile : 1.9
|
|
file sbin/fsck_ffs/Makefile : 1.35
|
|
file sbin/fsdb/Makefile : 1.22
|
|
file share/mk/sys.mk : 1.96
|
|
file usr.sbin/ndbootd/Makefile : 1.5
|
|
descr
|
|
Several internal compiler errors with gcc -O1
|
|
around 64bit integer arithmetic.
|
|
This hack uses -O1 and adds some -fno-tree-foo options
|
|
to avoid the problem.
|
|
This might be related with GCC Bugzilla Bug 32424.
|
|
kcah
|
|
|
|
port m68k,sh3,vax
|
|
|
|
hack gcc-4.8.1
|
|
cdate Wed Nov 6 20:41:35 EST 2013
|
|
who christos
|
|
file src/external/gpl3/gcc/libstdc++-v3/Makefile : 1.6
|
|
descr
|
|
compile hashtable_c++0x.cc with -O2 instead of -Os to
|
|
produce missing instantiation of std::lower_bound expansion
|
|
for unsigned long.
|
|
kcah
|
|
|
|
port sparc
|
|
|
|
hack avoid NULL pointer derefs in savefpstate IPIs and GCC 4.5.3
|
|
cdate Sun Aug 14 19:26:48 PDT 2011
|
|
who mrg
|
|
file sys/arch/sparc64/sparc/cpu.c : 1.234
|
|
file sys/arch/sparc64/sparc/cpuvar.h : 1.90
|
|
file sys/arch/sparc64/sparc/genassym.cf : 1.67
|
|
file sys/arch/sparc64/sparc/locore.s : 1.265
|
|
descr
|
|
Something is wrong with GCC 4.5.3 and the savefpstate IPI.
|
|
Post newlock2 there was a bug where a lock was reduced from
|
|
IPL_SCHED to IPL_VM (?) and occasionally savefpstate IPI
|
|
would crash due to NULL IPI. This was fixed by re-using the
|
|
right IPL value. However, GCC 4.5.3 build kernels have the
|
|
same problems. For now, the hack is re-instated.
|
|
kcah
|
|
|
|
|
|
port mips
|
|
|
|
hack mips-shared-linker-load-address
|
|
cdate Fri Oct 7 08:33:10 UTC 2005
|
|
who simonb
|
|
file src/sys/kern/exec_elf32.c : 1.107
|
|
descr
|
|
With COMPAT_16 or previous enabled (which enables
|
|
ELF_INTERP_NON_RELOCATABLE) a recent ld.elf_so will
|
|
load and run at address 0. The check to fix this in
|
|
rev 1.107 only checks the first psection of the ELF
|
|
executable, which may not be loadable. A more correct
|
|
fix is to check the first loadable psection instead of
|
|
just the first psection.
|
|
kcah
|
|
|
|
hack mips-duplicate-ras-end-label
|
|
cdate Sat Sep 2 23:29:42 2006
|
|
who martin
|
|
file src/regress/sys/kern/ras/ras3/Makefile : 1.3
|
|
descr
|
|
Add -fno-reorder-blocks to CFLAGS to avoid duplicate
|
|
labels by duplicated __asm output from RAS_END()
|
|
macro.
|
|
kcah
|
|
|
|
hack mips-mcount-assembler-warning
|
|
cdate Tue Jul 29 14:16:52 UTC 2008
|
|
who lukem
|
|
file src/lib/libc/gmon/Makefile.inc : 1.8
|
|
descr
|
|
Workaround for PR port-mips/39192.
|
|
common/lib/libc/gmon/mcount.c generates a (fatal)
|
|
assembler warning on MIPS:
|
|
Warning: No .cprestore pseudo-op used in PIC code
|
|
Add COPTS.count.c+=-Wa,--no-warn to avoid -Wa,--fatal-warnings
|
|
kcah
|
|
|
|
port i386
|
|
|
|
hack use volatile intermediate variable to enforce rounding
|
|
cdate Tue Aug 1 22:15:55 MEST 2006
|
|
who drochner
|
|
file src/lib/libm/src/lrintf.c : 1.4
|
|
file src/lib/libm/src/s_rintf.c : 1.8
|
|
descr
|
|
gcc-4 does subsequent operations on "float" values within
|
|
the i387 FPU without rounding the intermediate results
|
|
kcah
|
|
|
|
port x86
|
|
hack turn off optimization for biosdisk_ll.c because otherwise
|
|
we are pass the wrong arguments to biosdisk_read().
|
|
$ cd /usr/src/sys/arch/i386/floppies/bootflopp-com
|
|
$ qemu-system-i386 -nographic -fda boot-com1.fs -boot a
|
|
who christos
|
|
file src/sys/arch/i386/stand/lib/Makefile : 1.38
|
|
descr
|
|
Turning on DISK_DEBUG shows the problem. We should find
|
|
out which option is causing this.
|
|
hcah
|
|
|
|
port powerpc
|
|
|
|
hack avoid using __builtin_return_address(0) because it fails in
|
|
Xorg's module loader
|
|
cdate Sat Sep 27 03:52:05 UTC 2008
|
|
who macallan
|
|
file src/libexec/ld.elf_so/rtld.c : 1.121
|
|
descr
|
|
workaround for PR port-macppc/37812
|
|
kcah
|
|
|
|
hack define TARGET_SECURE_PLT and HAVE_AS_TLS because when
|
|
building the native compiler via build.sh those don't defined
|
|
properly.
|
|
cdate Sat Mar 12 08:00:00 UTC 2011
|
|
who matt
|
|
file src/gnu/dist/gcc4/gcc/config/rs6000/netbsd.h
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|
descr
|
|
see above
|
|
kcah
|
|
|
|
port powerpc64
|
|
|
|
hack include _errno.c in libposix so that __errno resolves. It
|
|
should resolve from libc's errno, but somehow it does not.
|
|
Linker bug?
|
|
cdate Thu Oct 27 13:19:47 EDT 2011
|
|
who christos
|
|
file src/lib/libposix/Makefile: 1.15
|
|
file src/lib/librt/Makefile: 1.14
|
|
descr
|
|
workaround for:
|
|
libposix_pic.a(cerror.pico)(.text+0x14): unresolvable \
|
|
R_PPC64_REL24 relocation against symbol `.__errno'
|
|
kcah
|
|
|
|
hack rename data() function in mdocml to avoid redefined error.
|
|
Compiler/Assembler bug?
|
|
cdate Sat Oct 29 11:16:01 EDT 2011
|
|
who christos
|
|
file src/external/bsd/mdocml/tbl_data.c: 1.2
|
|
descr
|
|
workaround for:
|
|
{standard input}: Assembler messages:
|
|
{standard input}:105: Error: symbol `.data' is already \
|
|
defined
|
|
kcah
|
|
|
|
port emips
|
|
|
|
hack Add nop between ctc1 and mtc0 to avoid assembler internal
|
|
error
|
|
cdate Sat Oct 29 16:57:34 EDT 2011
|
|
who christos
|
|
file src/sys/arch/mips/mips/mips_fpu.c: 1.7
|
|
descr
|
|
workaround for:
|
|
{standard input}: Assembler messages:
|
|
{standard input}:730: Internal error!
|
|
Assertion failure in append_insn at /usr/src/external/gpl3/\
|
|
binutils/dist/gas/config/tc-mips.c line 2910.
|
|
kcah
|
|
|
|
port ia64
|
|
|
|
hack libc hesiod.c file does not compile with -O2 (internal
|
|
compiler error in gcc 4.5.3)
|
|
cdate Thu Dec 27 08:05:43 CET 2012
|
|
who martin
|
|
file src/lib/libc/net/Makefile.inc: 1.82
|
|
descr
|
|
workaround for:
|
|
{standard input}: Assembler messages:
|
|
{standard input}:1507: Warning: Use of 'mov' may violate WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 15
|
|
{standard input}:1506: Warning: This is the location of the conflicting usage
|
|
{standard input}: Error: 2 warnings, treating warnings as errors
|
|
kcah
|
|
|
|
hack libelf libelf_extended.c compiler error in gcc 4.5.3
|
|
cdate Thu Dec 27 09:05:51 CET 2012
|
|
who martin
|
|
file src/external/bsd/libelf/lib/Makefile: 1.3
|
|
descr
|
|
workaround for:
|
|
{standard input}: Assembler messages:
|
|
{standard input}:87: Warning: Use of 'adds' may violate RAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 33
|
|
{standard input}:87: Warning: Only the first path encountering the conflict is reported
|
|
{standard input}:85: Warning: This is the location of the conflicting usage
|
|
kcah
|
|
|
|
hack compiler error with gcc 4.5.x
|
|
cdate Thu Dec 27 15:15:25 CET 2012
|
|
who martin
|
|
file src/crypto/external/bsd/netpgp/lib/verify/Makefile: 1.5
|
|
descr
|
|
workaround for:
|
|
{standard input}: Assembler messages:
|
|
{standard input}:22979: Warning: Use of 'mov' may violate WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 8
|
|
{standard input}:22978: Warning: This is the location of the conflicting usage
|
|
kcah
|
|
|
|
hack libgcc unwind dummy function
|
|
cdate Fri Apr 17 14:31:03 CEST 2015
|
|
who martin
|
|
file src/external/gpl3/gcc/dist/libgcc/config/ia64/unwind-ia64.c: 1.4
|
|
descr
|
|
Add an empty _Unwind_FindTableEntry() implementation.
|
|
In the end we will use our libc stuff, and this should
|
|
go away again.
|
|
kcah
|
|
|
|
port x68k
|
|
|
|
hack compiler error with gcc 4.5.x
|
|
cdate Fri May 24 13:23:01 EDT 2013
|
|
who christos
|
|
file src/external/gpl3/gcc/usr.bin/bakend/Makefile: 1.17
|
|
xsrc/external/mit/xorg/lib/libGLU/Makefile: 1.11
|
|
descr
|
|
workaround for:
|
|
internal compiler error: in cselib_record_set, at cselib.c:1999
|
|
kcah
|
|
|
|
hack fallback to /usr/bin/clang-cpp in rpcgen
|
|
cdate Wed Jun 5 15:49:27 CEST 2013
|
|
who joerg
|
|
file src/usr.bin/rpcgen/rpc_main.c
|
|
descr
|
|
It is undecided which compiler owns /usr/bin/cpp and whether it should
|
|
exist in a MKGCC=no world. To allow rpcgen to work out-of-the-box,
|
|
if either gcc or clang is installed, use /usr/bin/clang-cpp as fallback.
|
|
This applies only if RPCGEN_CPP is not set and /usr/bin/cpp is not executable.
|
|
kcah
|
|
|
|
port hppa
|
|
|
|
hack compiler error with gcc 4.5.x
|
|
cdate Tue Jul 23 07:42:28 BST 2013
|
|
who skrll
|
|
file src/sys/lib/libkern/Makefile.libkern: 1.26
|
|
descr
|
|
workaround for unanalysed codegen bug affecting md5c.c.
|
|
kcah
|
|
|
|
hack gdb vs _rtld_debug_state problem
|
|
cdate Thu Mar 5 09:49:53 UTC 2015
|
|
who skrll
|
|
file src/libexec/ld.elf_so/rtld.c: 1.175
|
|
descr
|
|
workaround for problem where gdb misses the breakpoint on
|
|
_rtld_debug_state when the function is only the
|
|
bv,n %r0(%rp) instruction - the nullify seems to
|
|
confuse something
|
|
kcah
|
|
|
|
port mips64*
|
|
hack compiler crashes on mips64* with optimization enabled
|
|
cdate Tue May 13 18:46:48 UTC 2014
|
|
who macallan
|
|
file src/external/lgpl3/gmp/lib/libgmp/arch/mips64eb/Makefile.inc: 1.6
|
|
src/external/lgpl3/gmp/lib/libgmp/arch/mips64eb/config.h: 1.5
|
|
src/external/lgpl3/gmp/lib/libgmp/arch/mips64el/Makefile.inc: 1.6
|
|
src/external/lgpl3/gmp/lib/libgmp/arch/mips64el/config.h: 1.5
|
|
descr workaround for n32 gcc doing unaligned 64bit accesses when optimizing
|
|
pr 48696
|
|
kcah
|
|
|
|
port vax
|
|
hack compile boot with -O1
|
|
cdate Sat May 24 09:40:58 CEST 2014
|
|
who martin
|
|
file src/sys/arch/vax/boot/boot/Makefile: 1.41
|
|
descr /boot does not work when compiled with -O2 and gcc 4.8
|
|
kcah
|
|
|
|
port arm
|
|
hack avoid using labels in a 12-bit constant.
|
|
who matt
|
|
file crypto/external/bsd/openssl/lib/libcrypto/arch/arm/aes-armv4.S: 1.2
|
|
descr workaround for clang misassembling an instruction
|
|
kcah
|