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