hints/netbsd.sh

   1 # hints/netbsd.sh
   2 #
   3 # Please check with packages@netbsd.org before making modifications
   4 # to this file.
   5
   6 case "$archname" in
   7 '')
   8     archname=`uname -m`-${osname}
   9     ;;
  10 esac
  11
  12 # NetBSD keeps dynamic loading dl*() functions in /usr/lib/crt0.o,
  13 # so Configure doesn't find them (unless you abandon the nm scan).
  14 # Also, NetBSD 0.9a was the first release to introduce shared
  15 # libraries.
  16 #
  17 case "$osvers" in
  18 0.9|0.8*)
  19         usedl="$undef"
  20         ;;
  21 *)
  22         case `uname -m` in
  23         pmax)
  24                 # NetBSD 1.3 and 1.3.1 on pmax shipped an `old' ld.so,
  25                 # which will not work.
  26                 case "$osvers" in
  27                 1.3|1.3.1)
  28                         d_dlopen=$undef
  29                         ;;
  30                 esac
  31                 ;;
  32         esac
  33         if test -f /usr/libexec/ld.elf_so; then
  34                 # ELF
  35                 d_dlopen=$define
  36                 d_dlerror=$define
  37                 cccdlflags="-DPIC -fPIC $cccdlflags"
  38                 lddlflags="-shared $lddlflags"
  39                 # gcc 4.6 doesn't support --whole-archive, but check for it
  40                 # if the user chooses a new compiler later, this is pointless
  41                 echo 'int f(void) { return 0; }' >try.c
  42                 if ${cc:-cc} $cccdlflags -c try.c -otry.o 2>&1 &&
  43                    ${cc:-cc} --whole-archive $lddlflags try.o -otry.so 2>&1 ; then
  44                     lddlflags="--whole-archive $lddlflags"
  45                 fi
  46                 rm try.c try.o try.so 2>/dev/null
  47                 rpathflag="-Wl,-rpath,"
  48                 case "$osvers" in
  49                 1.[0-5]*)
  50                         #
  51                         # Include the whole libgcc.a into the perl executable
  52                         # so that certain symbols needed by loadable modules
  53                         # built as C++ objects (__eh_alloc, __pure_virtual,
  54                         # etc.) will always be defined.
  55                         #
  56                         ccdlflags="-Wl,-whole-archive -lgcc \
  57                                 -Wl,-no-whole-archive -Wl,-E $ccdlflags"
  58                         ;;
  59                 *)
  60                         ccdlflags="-Wl,-E $ccdlflags"
  61                         ;;
  62                 esac
  63         elif test -f /usr/libexec/ld.so; then
  64                 # a.out
  65                 d_dlopen=$define
  66                 d_dlerror=$define
  67                 cccdlflags="-DPIC -fPIC $cccdlflags"
  68                 lddlflags="-Bshareable $lddlflags"
  69                 rpathflag="-R"
  70         else
  71                 d_dlopen=$undef
  72                 rpathflag=
  73         fi
  74         ;;
  75 esac
  76
  77 # netbsd had these but they don't really work as advertised, in the
  78 # versions listed below.  if they are defined, then there isn't a
  79 # way to make perl call setuid() or setgid().  if they aren't, then
  80 # ($<, $>) = ($u, $u); will work (same for $(/$)).  this is because
  81 # you can not change the real userid of a process under 4.4BSD.
  82 # netbsd fixed this in 1.3.2.
  83 case "$osvers" in
  84 0.9*|1.[012]*|1.3|1.3.1)
  85         d_setregid="$undef"
  86         d_setreuid="$undef"
  87         ;;
  88 esac
  89 case "$osvers" in
  90 0.9*|1.*|2.*|3.*|4.*|5.*)
  91         d_getprotoent_r="$undef"
  92         d_getprotobyname_r="$undef"
  93         d_getprotobynumber_r="$undef"
  94         d_setprotoent_r="$undef"
  95         d_endprotoent_r="$undef"
  96         d_getservent_r="$undef"
  97         d_getservbyname_r="$undef"
  98         d_getservbyport_r="$undef"
  99         d_setservent_r="$undef"
 100         d_endservent_r="$undef"
 101         d_getprotoent_r_proto="0"
 102         d_getprotobyname_r_proto="0"
 103         d_getprotobynumber_r_proto="0"
 104         d_setprotoent_r_proto="0"
 105         d_endprotoent_r_proto="0"
 106         d_getservent_r_proto="0"
 107         d_getservbyname_r_proto="0"
 108         d_getservbyport_r_proto="0"
 109         d_setservent_r_proto="0"
 110         d_endservent_r_proto="0"
 111         ;;
 112 esac
 113
 114 # These are obsolete in any netbsd.
 115 d_setrgid="$undef"
 116 d_setruid="$undef"
 117
 118 # there's no problem with vfork.
 119 usevfork=true
 120
 121 # This is there but in machine/ieeefp_h.
 122 ieeefp_h="define"
 123
 124 # This script UU/usethreads.cbu will get 'called-back' by Configure
 125 # after it has prompted the user for whether to use threads.
 126 cat > UU/usethreads.cbu <<'EOCBU'
 127 case "$usethreads" in
 128 $define|true|[yY]*)
 129         lpthread=
 130         for xxx in pthread; do
 131                 for yyy in $loclibpth $plibpth $glibpth dummy; do
 132                         zzz=$yyy/lib$xxx.a
 133                         if test -f "$zzz"; then
 134                                 lpthread=$xxx
 135                                 break;
 136                         fi
 137                         zzz=$yyy/lib$xxx.so
 138                         if test -f "$zzz"; then
 139                                 lpthread=$xxx
 140                                 break;
 141                         fi
 142                         zzz=`ls $yyy/lib$xxx.so.* 2>/dev/null`
 143                         if test "X$zzz" != X; then
 144                                 lpthread=$xxx
 145                                 break;
 146                         fi
 147                 done
 148                 if test "X$lpthread" != X; then
 149                         break;
 150                 fi
 151         done
 152         if test "X$lpthread" != X; then
 153                 # Add -lpthread.
 154                 libswanted="$libswanted $lpthread"
 155                 # There is no libc_r as of NetBSD 1.5.2, so no c -> c_r.
 156                 # This will be revisited when NetBSD gains a native pthreads
 157                 # implementation.
 158         else
 159                 echo "$0: No POSIX threads library (-lpthread) found.  " \
 160                      "You may want to install GNU pth.  Aborting." >&4
 161                 exit 1
 162         fi
 163         unset lpthread
 164
 165         # several reentrant functions are embedded in libc, but haven't
 166         # been added to the header files yet.  Let's hold off on using
 167         # them until they are a valid part of the API
 168         case "$osvers" in
 169         [012].*|3.[0-1])
 170                 d_getprotobyname_r=$undef
 171                 d_getprotobynumber_r=$undef
 172                 d_getprotoent_r=$undef
 173                 d_getservbyname_r=$undef
 174                 d_getservbyport_r=$undef
 175                 d_getservent_r=$undef
 176                 d_setprotoent_r=$undef
 177                 d_setservent_r=$undef
 178                 d_endprotoent_r=$undef
 179                 d_endservent_r=$undef ;;
 180         esac
 181         ;;
 182
 183 esac
 184 EOCBU
 185
 186 # Set sensible defaults for NetBSD: look for local software in
 187 # /usr/pkg (NetBSD Packages Collection) and in /usr/local.
 188 #
 189 loclibpth="/usr/pkg/lib /usr/local/lib"
 190 locincpth="/usr/pkg/include /usr/local/include"
 191 case "$rpathflag" in
 192 '')
 193         ldflags=
 194         ;;
 195 *)
 196         ldflags=
 197         for yyy in $loclibpth; do
 198                 ldflags="$ldflags $rpathflag$yyy"
 199         done
 200         ;;
 201 esac
 202
 203 case `uname -m` in
 204 alpha)
 205     echo 'int main() {}' > try.c
 206     gcc=`${cc:-cc} -v -c try.c 2>&1|grep 'gcc version egcs-2'`
 207     case "$gcc" in
 208     '' | "gcc version egcs-2.95."[3-9]*) ;; # 2.95.3 or better okay
 209     *)  cat >&4 <<EOF
 210 ***
 211 *** Your gcc ($gcc) is known to be
 212 *** too buggy on netbsd/alpha to compile Perl with optimization.
 213 *** It is suggested you install the lang/gcc package which should
 214 *** have at least gcc 2.95.3 which should work okay: use for example
 215 *** Configure -Dcc=/usr/pkg/gcc-2.95.3/bin/cc.  You could also
 216 *** Configure -Doptimize=-O0 to compile Perl without any optimization
 217 *** but that is not recommended.
 218 ***
 219 EOF
 220         exit 1
 221         ;;
 222     esac
 223     rm -f try.*
 224     ;;
 225 esac
 226
 227 # NetBSD/sparc 1.5.3/1.6.1 dumps core in the semid_ds test of Configure.
 228 case `uname -m` in
 229 sparc) d_semctl_semid_ds=undef ;;
 230 esac
 231
 232 # malloc wrap works
 233 case "$usemallocwrap" in
 234 '') usemallocwrap='define' ;;
 235 esac
 236
 237 # don't use perl malloc by default
 238 case "$usemymalloc" in
 239 '') usemymalloc=n ;;
 240 esac