HACKS revision 1.100.2.2
1 1.100.2.2 mjf # $NetBSD: HACKS,v 1.100.2.2 2008/06/02 13:21:19 mjf Exp $ 2 1.100.2.2 mjf # 3 1.100.2.2 mjf # This file is intended to document workarounds for currently unsolved 4 1.100.2.2 mjf # (mostly) compiler bugs. 5 1.100.2.2 mjf # 6 1.100.2.2 mjf # Format: 7 1.100.2.2 mjf # hack title 8 1.100.2.2 mjf # cdate creation date 9 1.100.2.2 mjf # mdate mod date 10 1.100.2.2 mjf # who responsible developer 11 1.100.2.2 mjf # port ... 12 1.100.2.2 mjf # affected ports, space separated, if not "all" 13 1.100.2.2 mjf # file affected file : revision : line from : line to 14 1.100.2.2 mjf # affected files and revision and line numbers describing hack 15 1.100.2.2 mjf # multiple lines if necessary. 16 1.100.2.2 mjf # pr NNNN ... 17 1.100.2.2 mjf # problem reports this hack works around, if known. Space 18 1.100.2.2 mjf # separated. 19 1.100.2.2 mjf # regress src/regress/directory/where/test/found 20 1.100.2.2 mjf # regression test directories, if available. 21 1.100.2.2 mjf # descr 22 1.100.2.2 mjf # insert short informal description (multi-line). (Longer ones 23 1.100.2.2 mjf # should be in the PR database. More formal descriptions might 24 1.100.2.2 mjf # be in the regress tree. See above). 25 1.100.2.2 mjf # kcah 26 1.100.2.2 mjf # closing bracket. 27 1.100.2.2 mjf # 28 1.100.2.2 mjf # this is a comment. 29 1.100.2.2 mjf 30 1.100.2.2 mjf hack netstat ieee1394 address printing. 31 1.100.2.2 mjf mdate 14 Nov 2000 32 1.100.2.2 mjf who matt 33 1.100.2.2 mjf file lib/libc/net/getnameinfo.c : 1.32 : 497 : 503 34 1.100.2.2 mjf descr 35 1.100.2.2 mjf Because the current implementation of IP over IEEE1394, the 36 1.100.2.2 mjf fw device address contains more than just the IEEE1394 EUI-64. 37 1.100.2.2 mjf So when printing out IEEE1394 addresses, ignore the extra stuff. 38 1.100.2.2 mjf kcah 39 1.100.2.2 mjf 40 1.100.2.2 mjf hack xterm vs. libterm 41 1.100.2.2 mjf mdate 01 Aug 2000 42 1.100.2.2 mjf who jdc 43 1.100.2.2 mjf file xsrc/xc/programs/xterm/main.c : 1.2 : 3609 : 3614 44 1.100.2.2 mjf pr 10383 45 1.100.2.2 mjf descr 46 1.100.2.2 mjf In order to extend the termcap string over 1023 bytes, a ZZ entry was 47 1.100.2.2 mjf introduced to point to a memory location containing the full entry. 48 1.100.2.2 mjf Without this hack, xterm will export a termcap containing the ZZ 49 1.100.2.2 mjf entry, which will then be ignored by libterm. As xterm modifies the 50 1.100.2.2 mjf exported termcap, this would cause those modifications to be ignored. 51 1.100.2.2 mjf kcah 52 1.100.2.2 mjf 53 1.100.2.2 mjf hack wi-at-big-endian-bus 54 1.100.2.2 mjf cdate 15 Mar 2002 55 1.100.2.2 mjf who martin 56 1.100.2.2 mjf file dev/ic/wireg.h 57 1.100.2.2 mjf descr Add an option to access the underlying bus in big endian byte order 58 1.100.2.2 mjf to work around deficiencies in bus_space_{read,write}_* macros. 59 1.100.2.2 mjf Those don't allow the implementation of a proper pcmcia bus space 60 1.100.2.2 mjf tag. 61 1.100.2.2 mjf kcah 62 1.100.2.2 mjf 63 1.100.2.2 mjf hack specific knowledge of colours in curses code 64 1.100.2.2 mjf cdate Sun Apr 6 11:05:24 BST 2003 65 1.100.2.2 mjf who jdc 66 1.100.2.2 mjf file lib/libcurses/color.c : r1.24 67 1.100.2.2 mjf descr 68 1.100.2.2 mjf Swap red/blue and yellow/cyan colours for COLOR_OTHER. 69 1.100.2.2 mjf Fix is to enhance libtermcap to understand terminfo-style % sequences. 70 1.100.2.2 mjf See also: 71 1.100.2.2 mjf http://mail-index.NetBSD.org/tech-userlevel/2003/04/06/0000.html 72 1.100.2.2 mjf kcah 73 1.100.2.2 mjf 74 1.100.2.2 mjf hack Compensation for differing types of LINUX_USRSTACK and USRSTACK 75 1.100.2.2 mjf cdate 21 Aug 2003 76 1.100.2.2 mjf who he 77 1.100.2.2 mjf file sys/miscfs/procfs/procfs_linux.c : 1.14 78 1.100.2.2 mjf descr 79 1.100.2.2 mjf Not all ports have LINUX_USRSTACK and/or USRSTACK defined as 80 1.100.2.2 mjf literals/constants, but refer to variables of a type which is 81 1.100.2.2 mjf not "unsigned long", causing compilation of procfs_linux.c to 82 1.100.2.2 mjf fail with "makes integer from pointer without a cast". This 83 1.100.2.2 mjf is observed on e.g. the sun3 port. Ideally the "types" for 84 1.100.2.2 mjf symbols should be consistent across all ports. 85 1.100.2.2 mjf kcah 86 1.100.2.2 mjf 87 1.100.2.2 mjf hack gcc-strict-aliasing 88 1.100.2.2 mjf cdate 6 August 2004 89 1.100.2.2 mjf who junyoung 90 1.100.2.2 mjf pr 26516 91 1.100.2.2 mjf file src/usr.sbin/racoon/racoon/Makefile : 1.21 92 1.100.2.2 mjf descr 93 1.100.2.2 mjf GCC issues a warning "dereferencing type-punned pointer will break 94 1.100.2.2 mjf strict-aliasing rules" when compiling 95 1.100.2.2 mjf crypto/dist/kame/racoon/crypto/openssl.c with -O[23s]. Note that this 96 1.100.2.2 mjf is due to use of type casting in a non-standard way in the code and 97 1.100.2.2 mjf not a compiler bug. Once a new release of KAME with a proper fix 98 1.100.2.2 mjf applied is imported this should be backed out. 99 1.100.2.2 mjf kcah 100 1.100.2.2 mjf 101 1.100.2.2 mjf hack gcc4 wrong uninitialized variable 102 1.100.2.2 mjf mdate 10 May 2006 103 1.100.2.2 mjf who mrg 104 1.100.2.2 mjf file bin/ksh/eval.c : 1.6 105 1.100.2.2 mjf file bin/sh/histedit.c : 1.39 106 1.100.2.2 mjf file bin/sh/parser.c : 1.60 107 1.100.2.2 mjf file crypto/dist/heimdal/kdc/524.c : 1.10 108 1.100.2.2 mjf file crypto/dist/ssh/sftp.c : 1.20 109 1.100.2.2 mjf file crypto/dist/ssh/ssh-keysign.c : 1.11 110 1.100.2.2 mjf file dist/ipf/lib/hostname.c : 1.2 111 1.100.2.2 mjf file dist/ipf/tools/ipmon.c : 1.8 112 1.100.2.2 mjf file dist/ntp/ntpd/ntp_request.c : 1.4 113 1.100.2.2 mjf file dist/ntp/ntpd/refclock_shm.c : 1.4 114 1.100.2.2 mjf file dist/ntp/sntp/timing.c : 1.3 115 1.100.2.2 mjf file dist/pppd/pppstats/pppstats.c : 1.3 116 1.100.2.2 mjf file dist/smbfs/lib/smb/rap.c : 1.6 117 1.100.2.2 mjf file dist/tcpdump/print-zephyr.c : 1.5 118 1.100.2.2 mjf file distrib/utils/sysinst/aout2elf.c : 1.12 119 1.100.2.2 mjf file gnu/libexec/uucp/uucico/uucico.c : 1.6 120 1.100.2.2 mjf file lib/libc/citrus/citrus_csmapper.c : 1.6 121 1.100.2.2 mjf file lib/libc/citrus/citrus_pivot_factory.c : 1.5 122 1.100.2.2 mjf file lib/libc/inet/inet_cidr_ntop.c : 1.3 123 1.100.2.2 mjf file lib/libc/inet/inet_ntop.c : 1.3 124 1.100.2.2 mjf file lib/libc/stdio/vfwprintf.c : 1.8 125 1.100.2.2 mjf file libexec/ld.elf_so/arch/m68k/mdreloc.c : 1.20 126 1.100.2.2 mjf file libexec/ld.elf_so/arch/powerpc/ppc_reloc.c : 1.40 127 1.100.2.2 mjf file libexec/ld.elf_so/arch/sh3/mdreloc.c : 1.22 128 1.100.2.2 mjf file libexec/ld.elf_so/arch/sparc/mdreloc.c : 1.39 129 1.100.2.2 mjf file libexec/ld.elf_so/arch/sparc64/mdreloc.c : 1.39 130 1.100.2.2 mjf file libexec/ld.elf_so/arch/vax/mdreloc.c : 1.21 131 1.100.2.2 mjf file libexec/ld.elf_so/arch/x86_64/mdreloc.c : 1.27 132 1.100.2.2 mjf file sbin/fsck_ext2fs/dir.c : 1.19 133 1.100.2.2 mjf file sbin/routed/rtquery/rtquery.c : 1.18 134 1.100.2.2 mjf file sys/arch/amd64/amd64/pmap.c : 1.26 135 1.100.2.2 mjf file sys/arch/i386/pci/piixpcib.c : 1.4 136 1.100.2.2 mjf file sys/arch/m68k/m68k/pmap_motorola.c : 1.4 137 1.100.2.2 mjf file sys/crypto/cast128/cast128.c : 1.9 138 1.100.2.2 mjf file sys/ddb/db_command.c : 1.86 139 1.100.2.2 mjf file sys/dev/cardbus/cardbus_map.c : 1.21 140 1.100.2.2 mjf file sys/dev/fss.c : 1.25 141 1.100.2.2 mjf file sys/dev/ic/igsfb.c : 1.39 142 1.100.2.2 mjf file sys/dev/ic/mb86950.c : 1.5 143 1.100.2.2 mjf file sys/dev/ic/midway.c : 1.71 144 1.100.2.2 mjf file sys/dev/kttcp.c : 1.18 145 1.100.2.2 mjf file sys/dev/rasops/rasops_bitops.h : 1.9 146 1.100.2.2 mjf file sys/dev/pci/cmpci.c : 1.31 147 1.100.2.2 mjf file sys/dev/pci/machfb.c : 1.45 148 1.100.2.2 mjf file sys/dev/usb/ohci.c : 1.174 149 1.100.2.2 mjf file sys/dev/usb/uhci.c : 1.196 150 1.100.2.2 mjf file sys/dev/rasops/rasops_bitops.h : 1.9 151 1.100.2.2 mjf file sys/dist/ipf/netinet/ip_nat.c : 1.10 152 1.100.2.2 mjf file sys/dist/ipf/netinet/ip_rpcb_pxy.c : 1.8 153 1.100.2.2 mjf file sys/dist/pf/net/pf.c : 1.22 154 1.100.2.2 mjf file sys/fs/udf/udf_vnops.c : 1.4 155 1.100.2.2 mjf file sys/kern/kern_sig.c : 1.219 156 1.100.2.2 mjf file sys/kern/tty.c : 1.181 157 1.100.2.2 mjf file sys/net/bpf.c : 1.116 158 1.100.2.2 mjf file sys/net/zlib.c : 1.26 159 1.100.2.2 mjf file sys/netccitt/if_x25subr.c : 1.37 160 1.100.2.2 mjf file sys/netinet/in.c : 1.107 161 1.100.2.2 mjf file sys/netsmb/smb_smb.c : 1.27 162 1.100.2.2 mjf file sys/netsmb/smb_trantcp.c : 1.22 163 1.100.2.2 mjf file sys/nfs/nfs_serv.c : 1.108 164 1.100.2.2 mjf file sys/nfs/nfs_socket.c : 1.129 165 1.100.2.2 mjf file sys/nfs/nfs_syscalls.c : 1.91 166 1.100.2.2 mjf file sys/ufs/lfs/lfs_vfsops.c : 1.207 [also (char *)] 167 1.100.2.2 mjf file usr.bin/ftp/ftp.c : 1.140 168 1.100.2.2 mjf file usr.bin/find/function.c : 1.54 169 1.100.2.2 mjf file usr.bin/mail/tty.c : 1.20 170 1.100.2.2 mjf file usr.bin/msgc/msg_sys.def : 1.33-1.34 171 1.100.2.2 mjf file usr.bin/nl/nl.c : 1.7 172 1.100.2.2 mjf file usr.bin/systat/keyboard.c : 1.23 173 1.100.2.2 mjf file usr.bin/usbhidctl/usbhid.c : 1.29 174 1.100.2.2 mjf file usr.bin/vi/cl/cl_read.c : 1.5 175 1.100.2.2 mjf file usr.bin/vi/ex/ex_cscope.c : 1.12 176 1.100.2.2 mjf file usr.bin/vi/ex/ex_tag.c : 1.19 177 1.100.2.2 mjf file usr.bin/vi/vi/v_txt.c : 1.15 178 1.100.2.2 mjf file usr.sbin/altq/altqstat/qdisc_rio.c : 1.4 179 1.100.2.2 mjf file usr.sbin/cron/do_command.c : 1.19 180 1.100.2.2 mjf file usr.sbin/timed/timed/slave.c : 1.15 181 1.100.2.2 mjf descr 182 1.100.2.2 mjf GCC 4.1 gets many uninitialised variable warnings wrong. We should 183 1.100.2.2 mjf really audit all the old hacks like this when older compilers are 184 1.100.2.2 mjf removed from the tree, as many are probably no longer required. 185 1.100.2.2 mjf The problem is that it does not recognize initialization via function 186 1.100.2.2 mjf call pointer. I.e. 187 1.100.2.2 mjf int p; 188 1.100.2.2 mjf foo(&p); 189 1.100.2.2 mjf does not mark p as initialized. 190 1.100.2.2 mjf kcah 191 1.100.2.2 mjf 192 1.100.2.2 mjf hack gcc4 pointer sign and strict aliasing problems 193 1.100.2.2 mjf mdate 10 May 2006 194 1.100.2.2 mjf who mrg 195 1.100.2.2 mjf file bin/ed/Makefile : 1.33 196 1.100.2.2 mjf file distrib/utils/sysinst/Makefile.inc : 1.44 197 1.100.2.2 mjf file distrib/utils/x_dhclient/Makefile : 1.15 198 1.100.2.2 mjf file games/bcd/Makefile : 1.5 199 1.100.2.2 mjf file games/dab/Makefile : 1.5 200 1.100.2.2 mjf file games/larn/Makefile : 1.17 201 1.100.2.2 mjf file games/pom/Makefile : 1.5 202 1.100.2.2 mjf file lib/libasn1/Makefile : 1.26 203 1.100.2.2 mjf file lib/libcrypt/Makefile : 1.17 204 1.100.2.2 mjf file lib/libgssapi/Makefile : 1.16 205 1.100.2.2 mjf file lib/libhdb/Makefile : 1.20 206 1.100.2.2 mjf file lib/libkadm5clnt/Makefile : 1.21 207 1.100.2.2 mjf file lib/libkadm5srv/Makefile : 1.25 208 1.100.2.2 mjf file lib/libkrb5/Makefile : 1.35 209 1.100.2.2 mjf file lib/libssh/Makefile : 1.6 210 1.100.2.2 mjf file lib/libtelnet/Makefile : 1.26 211 1.100.2.2 mjf file libexec/getty/Makefile : 1.14 212 1.100.2.2 mjf file libexec/kadmind/Makefile : 1.19 213 1.100.2.2 mjf file libexec/kpasswdd/Makefile : 1.14 214 1.100.2.2 mjf file sbin/atactl/Makefile : 1.3 215 1.100.2.2 mjf file sbin/cgdconfig/Makefile : 1.7 216 1.100.2.2 mjf file sbin/clri/Makefile : 1.13 217 1.100.2.2 mjf file sbin/dkctl/Makefile : 1.4 218 1.100.2.2 mjf file sbin/dump/Makefile : 1.33 219 1.100.2.2 mjf file sbin/fdisk/Makefile : 1.35 220 1.100.2.2 mjf file sbin/fsck_ext2fs/Makefile : 1.11 221 1.100.2.2 mjf file sbin/fsck_ffs/Makefile : 1.29 222 1.100.2.2 mjf file sbin/fsdb/Makefile : 1.18 223 1.100.2.2 mjf file sbin/mount_smbfs/Makefile : 1.4 224 1.100.2.2 mjf file sbin/newfs/Makefile : 1.30 225 1.100.2.2 mjf file sbin/newfs_sysvbfs/Makefile : 1.2 226 1.100.2.2 mjf file sbin/restore/Makefile : 1.23 227 1.100.2.2 mjf file sbin/veriexecctl/Makefile : 1.11 228 1.100.2.2 mjf file sys/lib/libsa/Makefile : 1.59 229 1.100.2.2 mjf file sys/arch/evbarm/adi_brh/brh_machdep.c : 1.24 230 1.100.2.2 mjf file usr.bin/awk/Makefile : 1.9 231 1.100.2.2 mjf file usr.bin/crontab/Makefile : 1.24 232 1.100.2.2 mjf file usr.bin/ctags/Makefile : 1.8 233 1.100.2.2 mjf file usr.bin/gzip/Makefile : 1.10 234 1.100.2.2 mjf file usr.bin/ssh/sftp/Makefile : 1.10 235 1.100.2.2 mjf file usr.bin/ssh/ssh/Makefile : 1.25 236 1.100.2.2 mjf file usr.bin/vi/build/Makefile : 1.26 237 1.100.2.2 mjf file usr.bin/telnet/Makefile : 1.40 238 1.100.2.2 mjf file usr.bin/tn3270/tn3270/Makefile : 1.36 239 1.100.2.2 mjf file usr.bin/tr/Makefile : 1.4 240 1.100.2.2 mjf file usr.sbin/amd/amd/Makefile : 1.27 241 1.100.2.2 mjf file usr.sbin/amd/amq/Makefile : 1.14 242 1.100.2.2 mjf file usr.sbin/amd/libamu/Makefile : 1.20 243 1.100.2.2 mjf file usr.sbin/amd/pawd/Makefile : 1.5 244 1.100.2.2 mjf file usr.sbin/bind/Makefile.inc : 1.22 245 1.100.2.2 mjf file usr.sbin/bind/libdns/Makefile : 1.3 246 1.100.2.2 mjf file usr.sbin/bind/named/Makefile : 1.17 247 1.100.2.2 mjf file usr.sbin/bootp/bootptest/Makefile : 1.2 248 1.100.2.2 mjf file usr.sbin/chrtbl/Makefile : 1.6 249 1.100.2.2 mjf file usr.sbin/cron/Makefile : 1.12 250 1.100.2.2 mjf file usr.sbin/dhcp/Makefile.inc : 1.20 251 1.100.2.2 mjf file usr.sbin/dumplfs/Makefile : 1.11 252 1.100.2.2 mjf file usr.sbin/hprop/Makefile : 1.13 253 1.100.2.2 mjf file usr.sbin/installboot/Makefile : 1.35 254 1.100.2.2 mjf file usr.sbin/ipf/ipftest/Makefile : 1.32 255 1.100.2.2 mjf file usr.sbin/isdn/isdnd/Makefile : 1.6 256 1.100.2.2 mjf file usr.sbin/isdn/isdnmonitor/Makefile : 1.3 257 1.100.2.2 mjf file usr.sbin/isdn/isdntel/Makefile : 1.2 258 1.100.2.2 mjf file usr.sbin/isdn/isdntrace/Makefile : 126 259 1.100.2.2 mjf file usr.sbin/mopd/common/Makefile : 1.10 260 1.100.2.2 mjf file usr.sbin/mopd/mopd/Makefile : 1.9 261 1.100.2.2 mjf file usr.sbin/mopd/mopprobe/Makefile : 1.7 262 1.100.2.2 mjf file usr.sbin/makefs/Makefile : 1.17 263 1.100.2.2 mjf file usr.sbin/mscdlabel/Makefile : 1.5 264 1.100.2.2 mjf file usr.sbin/pkg_install/add/Makefile : 1.7 265 1.100.2.2 mjf file usr.sbin/pkg_install/create/Makefile : 1.5 266 1.100.2.2 mjf file usr.sbin/pkg_install/lib/Makefile : 1.28 267 1.100.2.2 mjf file usr.sbin/ntp/ntpd/Makefile : 1.10/1.11 268 1.100.2.2 mjf file usr.sbin/ntp/ntptime/Makefile : 1.4/1.5 269 1.100.2.2 mjf file usr.sbin/pppd/Makefile.inc : 1.3 270 1.100.2.2 mjf file usr.sbin/pppd/pppd/Makefile : 1.38 271 1.100.2.2 mjf file usr.sbin/rarpd/Makefile : 1.10 272 1.100.2.2 mjf file usr.sbin/rbootd/Makefile : 1.10 273 1.100.2.2 mjf file usr.sbin/rpc.pcnfsd/Makefile : 1.17 274 1.100.2.2 mjf file usr.sbin/rtadvd/Makefile : 1.9 275 1.100.2.2 mjf file usr.sbin/tcpdump/Makefile : 1.42 276 1.100.2.2 mjf file usr.sbin/wiconfig/Makefile : 1.3 277 1.100.2.2 mjf descr 278 1.100.2.2 mjf GCC 4.1 warns on pointer sign comparision/assignments and lots of 279 1.100.2.2 mjf code does not conform. For now we use -Wno-pointer-sign and 280 1.100.2.2 mjf -fno-strict-aliasing. 281 1.100.2.2 mjf kcah 282 1.100.2.2 mjf 283 1.100.2.2 mjf port vax 284 1.100.2.2 mjf 285 1.100.2.2 mjf hack gcc4/vax ICE 286 1.100.2.2 mjf cdate 287 1.100.2.2 mjf who tsutsui 288 1.100.2.2 mjf file sys/arch/vax/conf/Makefile.vax 289 1.100.2.2 mjf descr 290 1.100.2.2 mjf GCC4 on vax gets ICE on compiling sys/ddb/db_command.c. 291 1.100.2.2 mjf -fno-tree-ter prevents it so add it to COPTS. 292 1.100.2.2 mjf kcah 293 1.100.2.2 mjf 294 1.100.2.2 mjf hack gcc4/vax compiler crash 295 1.100.2.2 mjf cdate Fri Jun 30 22:39:12 PDT 2006 296 1.100.2.2 mjf who mrg 297 1.100.2.2 mjf file bin/csh/Makefile : 1.27 298 1.100.2.2 mjf file lib/i18n_module/UTF7/Makefile : 1.2 299 1.100.2.2 mjf descr 300 1.100.2.2 mjf GCC4 on vax crashes. -O0 stops it happening so far... 301 1.100.2.2 mjf kcah 302 1.100.2.2 mjf 303 1.100.2.2 mjf hack gcc 2.95/vax doesn't like abort being used as function pointer 304 1.100.2.2 mjf cdate Tue Dec 13 05:54:50 GMT 2005 305 1.100.2.2 mjf who jmc 306 1.100.2.2 mjf file lib/libc/rpc/svc_vc.c 1.15 307 1.100.2.2 mjf descr 308 1.100.2.2 mjf Provide a local definition for abort which doesn't include 309 1.100.2.2 mjf the noreturn attribute which trips up gcc 2.95 on vax. 310 1.100.2.2 mjf kcah 311 1.100.2.2 mjf 312 1.100.2.2 mjf hack gcc 2.95/vax doesn't have stdbool.h and gettext needs it 313 1.100.2.2 mjf cdate Mon May 9 12:16:22 CDT 2005 314 1.100.2.2 mjf who jmc 315 1.100.2.2 mjf file gnu/usr.bin/gettext/Makefile.inc.prog 1.5 316 1.100.2.2 mjf gnu/usr.bin/gettext/libgrep/Makefile 1.3 317 1.100.2.2 mjf gnu/usr.bin/gettext/libnlspr/Makefile 1.5 318 1.100.2.2 mjf gnu/usr.bin/gettext/libnlsut/Makefile 1.3 319 1.100.2.2 mjf descr 320 1.100.2.2 mjf The latest gettext assumes a C99 environment or at least 321 1.100.2.2 mjf configure checks to work around this. As we don't use configure 322 1.100.2.2 mjf provide a stdbool.h for vax builds locally in directories from 323 1.100.2.2 mjf the template provided by the gettext code. 324 1.100.2.2 mjf kcah 325 1.100.2.2 mjf 326 1.100.2.2 mjf hack gcc 2.95/vax cannot handle __builtin_ffs() 327 1.100.2.2 mjf cdate Fri Aug 23 21:31:15 CEST 2002 328 1.100.2.2 mjf who ragge 329 1.100.2.2 mjf file sys/lib/libkern/libkern.h : 1.42 330 1.100.2.2 mjf descr 331 1.100.2.2 mjf __builtin_ffs() is ifdef'd away if __vax__. Matt Thomas has 332 1.100.2.2 mjf added this feature to GCC 3 so it can be removed when switching. 333 1.100.2.2 mjf kcah 334 1.100.2.2 mjf 335 1.100.2.2 mjf hack gcc 2.95/vax libbz2 336 1.100.2.2 mjf mdate 27 Jun 2002 337 1.100.2.2 mjf who thorpej 338 1.100.2.2 mjf file lib/libbz2/Makefile 339 1.100.2.2 mjf descr 340 1.100.2.2 mjf libbz2 is mis-compiled with optimization with GCC 2.95.3 341 1.100.2.2 mjf on VAX. -O0 works around this problem. 342 1.100.2.2 mjf kcah 343 1.100.2.2 mjf 344 1.100.2.2 mjf hack vax Toolchain bug 345 1.100.2.2 mjf cdate 28 Mar 2003 346 1.100.2.2 mjf who he 347 1.100.2.2 mjf file sys/arch/vax/vax/intvec.S : 1.5 348 1.100.2.2 mjf descr 349 1.100.2.2 mjf Workaround for PR toolchain/20924. The assembler apparently 350 1.100.2.2 mjf tries to range-check byte offsets when it doesn't have 351 1.100.2.2 mjf sufficient information to make that decision. 352 1.100.2.2 mjf Workaround uses `brw' instead of `brb' instruction. 353 1.100.2.2 mjf kcah 354 1.100.2.2 mjf 355 1.100.2.2 mjf hack vax gcc 2.95.3 -Wuninitialized workarounds 356 1.100.2.2 mjf cdate 6 Nov 2003 357 1.100.2.2 mjf who he 358 1.100.2.2 mjf file sys/dev/bi/if_ni.c : 1.22 359 1.100.2.2 mjf file sys/arch/vax/vax/ctu.c : 1.20 360 1.100.2.2 mjf descr 361 1.100.2.2 mjf Workaround for gcc 2.95.3 failing to detect that certain 362 1.100.2.2 mjf variables will be initialized; so that this code compiles 363 1.100.2.2 mjf with -Wuninitialized. Should be reviewed and possibly 364 1.100.2.2 mjf reverted when gcc 3.3.2 is ready for vax. 365 1.100.2.2 mjf kcah 366 1.100.2.2 mjf 367 1.100.2.2 mjf hack vax gcc 2.95.3 structure initialization 368 1.100.2.2 mjf cdat 13 May 2004 369 1.100.2.2 mjf who cl 370 1.100.2.2 mjf file sys/miscfs/kernfs/kernfs_vnops.c : 1.104 371 1.100.2.2 mjf descr 372 1.100.2.2 mjf Workaround for gcc 2.95.3 failing to initialize structures 373 1.100.2.2 mjf and/or unions inside structures using nested designators. 374 1.100.2.2 mjf Should be reverted when gcc >=3.3.3 is ready for vax. 375 1.100.2.2 mjf kcah 376 1.100.2.2 mjf 377 1.100.2.2 mjf hack vax gcc 2.95.3 needs -I. to build nslexer.c 378 1.100.2.2 mjf cdat 6 Jun 2004 379 1.100.2.2 mjf who mhitch 380 1.100.2.2 mjf file lib/libc/arch/vax/Makefile.inc : 1.6 381 1.100.2.2 mjf descr 382 1.100.2.2 mjf It appears necessary to add -I. to CPPFLAGS when building 383 1.100.2.2 mjf nslesxer.c. This may be caused by gcc 2.95.3 being used. 384 1.100.2.2 mjf Should be reverted when a newer gcc is ready for vax. 385 1.100.2.2 mjf kcah 386 1.100.2.2 mjf 387 1.100.2.2 mjf hack vax gcc 2.95.3 doesn't understand "-std=c99" 388 1.100.2.2 mjf cdat 5 April 2005 389 1.100.2.2 mjf who tron 390 1.100.2.2 mjf file src/share/mk/bsd.sys.mk 391 1.100.2.2 mjf descr 392 1.100.2.2 mjf We cannot use "-std=c99" for compiler warning level 4 and above 393 1.100.2.2 mjf because gcc 2.95.3 doesn't support that option. 394 1.100.2.2 mjf kcah 395 1.100.2.2 mjf 396 1.100.2.2 mjf hack declare boolean_t in two IPF user-mode programs 397 1.100.2.2 mjf cdate Tue Mar 7 19:19:20 CET 2006 398 1.100.2.2 mjf who he 399 1.100.2.2 mjf file dist/ipf/ipsend/iptests.c : 1.8 400 1.100.2.2 mjf dist/ipf/ipsend/sock.c : 1.7 401 1.100.2.2 mjf descr 402 1.100.2.2 mjf The IPF user-mode programs ipsend and iptest first 403 1.100.2.2 mjf include <sys/types.h> without _KERNEL defined, and 404 1.100.2.2 mjf later include <sys/file.h> with _KERNEL defined. 405 1.100.2.2 mjf This causes a build failure when building for vax, 406 1.100.2.2 mjf since <sys/device.h> ends up being included without 407 1.100.2.2 mjf bollean_t being defined by <sys/types.h>. 408 1.100.2.2 mjf Build failure and further details documented in 409 1.100.2.2 mjf PR#32907. 410 1.100.2.2 mjf kcah 411 1.100.2.2 mjf 412 1.100.2.2 mjf port arm 413 1.100.2.2 mjf 414 1.100.2.2 mjf hack gcc-unsigned-compare 415 1.100.2.2 mjf cdate 09 Mar 2002 416 1.100.2.2 mjf mdate 18 Mar 2002 417 1.100.2.2 mjf who bjh21 418 1.100.2.2 mjf file dist/bind/lib/nameser/ns_parse.c : 1.3 419 1.100.2.2 mjf file dist/dhcp/minires/ns_parse.c : 1.3 420 1.100.2.2 mjf file dist/dhcp/omapip/result.c : 1.2 421 1.100.2.2 mjf file dist/dhcp/server/failover.c : 1.3 422 1.100.2.2 mjf file gnu/dist/toolchain/bfd/bfd.c : 1.2 423 1.100.2.2 mjf file gnu/dist/toolchain/bfd/format.c : 1.2 424 1.100.2.2 mjf file gnu/dist/toolchain/gdb/target.c : 1.2 425 1.100.2.2 mjf file sys/kern/vfs_subr.c : 1.172 426 1.100.2.2 mjf descr When checking that a potentially-unsigned enum is >= 0, assign 427 1.100.2.2 mjf it to an int first. This is necessary to avoid "comparison is 428 1.100.2.2 mjf always true" warnings with -fshort-enums. Casting to an int 429 1.100.2.2 mjf really should be enough, but turns out not to be. 430 1.100.2.2 mjf kcah 431 1.100.2.2 mjf 432 1.100.2.2 mjf 433 1.100.2.2 mjf port sh3 434 1.100.2.2 mjf 435 1.100.2.2 mjf hack gcc4-sh3-bz2 436 1.100.2.2 mjf cdate Sun May 21 03:34:57 UTC 2006 437 1.100.2.2 mjf mdate Fri May 16 13:13:00 UTC 2008 438 1.100.2.2 mjf who mrg, tsutsui 439 1.100.2.2 mjf file lib/libbz2/Makefile : 1.10 440 1.100.2.2 mjf descr 441 1.100.2.2 mjf The in-tree GCC 4.1-based compiler generated too-far 442 1.100.2.2 mjf pc-relative addresses. Hack is to build with 443 1.100.2.2 mjf -fno-loop-optimize. 444 1.100.2.2 mjf kcah 445 1.100.2.2 mjf 446 1.100.2.2 mjf 447 1.100.2.2 mjf port m68000 448 1.100.2.2 mjf 449 1.100.2.2 mjf hack gcc4-m68000 450 1.100.2.2 mjf cdate Fri Feb 8 10:29:37 PST 2008 451 1.100.2.2 mjf mdate Sun May 4 15:37:19 UTC 2008 452 1.100.2.2 mjf who mrg, tsutsui 453 1.100.2.2 mjf file rescue/Makefile : 1.21 454 1.100.2.2 mjf file sbin/dump_lfs/Makefile : 1.9 455 1.100.2.2 mjf file sbin/fsck_ffs/Makefile : 1.35 456 1.100.2.2 mjf file sbin/fsdb/Makefile : 1.22 457 1.100.2.2 mjf file share/mk/sys.mk : 1.96 458 1.100.2.2 mjf file usr.sbin/ndbootd/Makefile : 1.5 459 1.100.2.2 mjf descr 460 1.100.2.2 mjf Several internal compiler errors with gcc -O1 461 1.100.2.2 mjf around 64bit integer arithmetic. 462 1.100.2.2 mjf This hack uses -O1 and adds some -fno-tree-foo options 463 1.100.2.2 mjf to avoid the problem. 464 1.100.2.2 mjf This might be related with GCC Bugzilla Bug 32424. 465 1.100.2.2 mjf kcah 466 1.100.2.2 mjf 467 1.100.2.2 mjf 468 1.100.2.2 mjf port sparc64 469 1.100.2.2 mjf 470 1.100.2.2 mjf hack disable optimzations for uvm_bio.c on 32 bit kernels 471 1.100.2.2 mjf cdate Sun Mar 21 14:14:04 MET 2004 472 1.100.2.2 mjf who martin 473 1.100.2.2 mjf file sys/arch/sparc64/conf/Makefile.sparc64 : 1.53-1.54 474 1.100.2.2 mjf file sys/arch/sparc64/conf/files.sparc64 : 1.93 475 1.100.2.2 mjf descr 476 1.100.2.2 mjf The sparc compiler miscompiles uvm_bio.c when using 477 1.100.2.2 mjf any optimization. This results in ubc_release panics. 478 1.100.2.2 mjf kcah 479 1.100.2.2 mjf 480 1.100.2.2 mjf port mips 481 1.100.2.2 mjf 482 1.100.2.2 mjf hack mips-shared-linker-load-address 483 1.100.2.2 mjf cdate Fri Oct 7 08:33:10 UTC 2005 484 1.100.2.2 mjf who simonb 485 1.100.2.2 mjf file src/sys/kern/exec_elf32.c : 1.107 486 1.100.2.2 mjf descr 487 1.100.2.2 mjf With COMPAT_16 or previous enabled (which enables 488 1.100.2.2 mjf ELF_INTERP_NON_RELOCATABLE) a recent ld.elf_so will 489 1.100.2.2 mjf load and run at address 0. The check to fix this in 490 1.100.2.2 mjf rev 1.107 only checks the first psection of the ELF 491 1.100.2.2 mjf executable, which may not be loadable. A more correct 492 1.100.2.2 mjf fix is to check the first loadable psection instead of 493 1.100.2.2 mjf just the first psection. 494 1.100.2.2 mjf kcah 495 1.100.2.2 mjf 496 1.100.2.2 mjf hack mips-duplicate-ras-end-label 497 1.100.2.2 mjf cdate Sat Sep 2 23:29:42 2006 498 1.100.2.2 mjf who martin 499 1.100.2.2 mjf file src/regress/sys/kern/ras/ras3/Makefile : 1.3 500 1.100.2.2 mjf descr 501 1.100.2.2 mjf Add -fno-reorder-blocks to CFLAGS to avoid duplicate 502 1.100.2.2 mjf labels by duplicated __asm output from RAS_END() 503 1.100.2.2 mjf macro. 504 1.100.2.2 mjf kcah 505 1.100.2.2 mjf 506 1.100.2.2 mjf port i386 507 1.100.2.2 mjf 508 1.100.2.2 mjf hack use volatile intermediate variable to enforce rounding 509 1.100.2.2 mjf cdate Tue Aug 1 22:15:55 MEST 2006 510 1.100.2.2 mjf who drochner 511 1.100.2.2 mjf file src/lib/libm/src/lrintf.c : 1.4 512 1.100.2.2 mjf file src/lib/libm/src/s_rintf.c : 1.8 513 1.100.2.2 mjf descr 514 1.100.2.2 mjf gcc-4 does subsequent operations on "float" values within 515 1.100.2.2 mjf the i387 FPU without rounding the intermediate results 516 1.100.2.2 mjf kcah 517
Indexes created Thu Nov 06 05:09:59 GMT 2025