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Update podlators to CPAN version 4.10
[perl5.git] / hints / netbsd.sh
index a8cc7dc..445680d 100644 (file)
@@ -1,11 +1,7 @@
 # hints/netbsd.sh
 #
-# talk to packages@netbsd.org if you want to change this file.
-#
-# netbsd keeps dynamic loading dl*() functions in /usr/lib/crt0.o,
-# so Configure doesn't find them (unless you abandon the nm scan).
-# this should be *just* 0.9 below as netbsd 0.9a was the first to
-# introduce shared libraries.
+# Please check with packages@netbsd.org before making modifications
+# to this file.
 
 case "$archname" in
 '')
@@ -13,30 +9,69 @@ case "$archname" in
     ;;
 esac
 
+# NetBSD keeps dynamic loading dl*() functions in /usr/lib/crt0.o,
+# so Configure doesn't find them (unless you abandon the nm scan).
+# Also, NetBSD 0.9a was the first release to introduce shared
+# libraries.
+#
 case "$osvers" in
 0.9|0.8*)
        usedl="$undef"
        ;;
 *)
-       if [ -f /usr/libexec/ld.elf_so ]; then
+       case `uname -m` in
+       pmax)
+               # NetBSD 1.3 and 1.3.1 on pmax shipped an `old' ld.so,
+               # which will not work.
+               case "$osvers" in
+               1.3|1.3.1)
+                       d_dlopen=$undef
+                       ;;
+               esac
+               ;;
+       esac
+       if test -f /usr/libexec/ld.elf_so; then
+               # ELF
                d_dlopen=$define
                d_dlerror=$define
-               ccdlflags="-Wl,-E -Wl,-R${PREFIX}/lib $ccdlflags"
                cccdlflags="-DPIC -fPIC $cccdlflags"
-               lddlflags="--whole-archive -shared $lddlflags"
-       elif [ "`uname -m`" = "pmax" ]; then
-# NetBSD 1.3 and 1.3.1 on pmax shipped an `old' ld.so, which will not work.
-               d_dlopen=$undef
-       elif [ -f /usr/libexec/ld.so ]; then
+               lddlflags="-shared $lddlflags"
+               cat >UU/cc.cbu <<'EOCBU'
+# gcc 4.6 doesn't support --whole-archive, but it's required for the
+# system gcc to build correctly, so check for it
+echo 'int f(void) { return 0; }' >try.c
+if ${cc:-cc} $cccdlflags -c try.c -otry.o 2>&1 &&
+   ${cc:-cc} --whole-archive $lddlflags try.o -otry.so 2>&1 ; then
+    lddlflags="--whole-archive $lddlflags"
+fi
+rm try.c try.o try.so 2>/dev/null
+EOCBU
+               rpathflag="-Wl,-rpath,"
+               case "$osvers" in
+               1.[0-5]*)
+                       #
+                       # Include the whole libgcc.a into the perl executable
+                       # so that certain symbols needed by loadable modules
+                       # built as C++ objects (__eh_alloc, __pure_virtual,
+                       # etc.) will always be defined.
+                       #
+                       ccdlflags="-Wl,-whole-archive -lgcc \
+                               -Wl,-no-whole-archive -Wl,-E $ccdlflags"
+                       ;;
+               *)
+                       ccdlflags="-Wl,-E $ccdlflags"
+                       ;;
+               esac
+       elif test -f /usr/libexec/ld.so; then
+               # a.out
                d_dlopen=$define
                d_dlerror=$define
-               ccdlflags="-Wl,-R${PREFIX}/lib $ccdlflags"
-# we use -fPIC here because -fpic is *NOT* enough for some of the
-# extensions like Tk on some netbsd platforms (the sparc is one)
                cccdlflags="-DPIC -fPIC $cccdlflags"
-               lddlflags="-Bforcearchive -Bshareable $lddlflags"
+               lddlflags="-Bshareable $lddlflags"
+               rpathflag="-R"
        else
                d_dlopen=$undef
+               rpathflag=
        fi
        ;;
 esac
@@ -51,20 +86,182 @@ case "$osvers" in
 0.9*|1.[012]*|1.3|1.3.1)
        d_setregid="$undef"
        d_setreuid="$undef"
-       d_setrgid="$undef"
-       d_setruid="$undef"
        ;;
 esac
+case "$osvers" in
+0.8*)
+       ;;
+*)
+       d_getprotoent_r="$undef"
+       d_getprotobyname_r="$undef"
+       d_getprotobynumber_r="$undef"
+       d_setprotoent_r="$undef"
+       d_endprotoent_r="$undef"
+       d_getservent_r="$undef"
+       d_getservbyname_r="$undef"
+       d_getservbyport_r="$undef"
+       d_setservent_r="$undef"
+       d_endservent_r="$undef"
+       d_gethostbyname_r="$undef"
+       d_gethostbyaddr2_r="$undef"
+       d_gethostbyaddr_r="$undef"
+       d_sethostent_r="$undef"
+       d_gethostent_r="$undef"
+       d_endhostent_r="$undef"
+       d_getprotoent_r_proto="0"
+       d_getprotobyname_r_proto="0"
+       d_getprotobynumber_r_proto="0"
+       d_setprotoent_r_proto="0"
+       d_endprotoent_r_proto="0"
+       d_getservent_r_proto="0"
+       d_getservbyname_r_proto="0"
+       d_getservbyport_r_proto="0"
+       d_setservent_r_proto="0"
+       d_endservent_r_proto="0"
+       d_gethostbyname_r_proto="0"
+       d_gethostbyaddr2_r_proto="0"
+       d_gethostbyaddr_r_proto="0"
+       d_sethostent_r_proto="0"
+       d_endhostent_r_proto="0"
+       d_gethostent_r_proto="0"
+       ;;
+esac
+
+# These are obsolete in any netbsd.
+d_setrgid="$undef"
+d_setruid="$undef"
 
 # there's no problem with vfork.
-case "$usevfork" in
-'') usevfork=true ;;
+usevfork=true
+
+# This is there but in machine/ieeefp_h.
+ieeefp_h="define"
+
+# This script UU/usethreads.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use threads.
+cat > UU/usethreads.cbu <<'EOCBU'
+case "$usethreads" in
+$define|true|[yY]*)
+       lpthread=
+       for xxx in pthread; do
+               for yyy in $loclibpth $plibpth $glibpth dummy; do
+                       zzz=$yyy/lib$xxx.a
+                       if test -f "$zzz"; then
+                               lpthread=$xxx
+                               break;
+                       fi
+                       zzz=$yyy/lib$xxx.so
+                       if test -f "$zzz"; then
+                               lpthread=$xxx
+                               break;
+                       fi
+                       zzz=`ls $yyy/lib$xxx.so.* 2>/dev/null`
+                       if test "X$zzz" != X; then
+                               lpthread=$xxx
+                               break;
+                       fi
+               done
+               if test "X$lpthread" != X; then
+                       break;
+               fi
+       done
+       if test "X$lpthread" != X; then
+               # Add -lpthread.
+               libswanted="$libswanted $lpthread"
+               # There is no libc_r as of NetBSD 1.5.2, so no c -> c_r.
+               # This will be revisited when NetBSD gains a native pthreads
+               # implementation.
+       else
+               echo "$0: No POSIX threads library (-lpthread) found.  " \
+                    "You may want to install GNU pth.  Aborting." >&4
+               exit 1
+       fi
+       unset lpthread
+
+       # several reentrant functions are embedded in libc, but haven't
+       # been added to the header files yet.  Let's hold off on using
+       # them until they are a valid part of the API
+       case "$osvers" in
+       [012].*|3.[0-1])
+               d_getprotobyname_r=$undef
+               d_getprotobynumber_r=$undef
+               d_getprotoent_r=$undef
+               d_getservbyname_r=$undef
+               d_getservbyport_r=$undef
+               d_getservent_r=$undef
+               d_setprotoent_r=$undef
+               d_setservent_r=$undef
+               d_endprotoent_r=$undef
+               d_endservent_r=$undef ;;
+       esac
+       ;;
+
 esac
+EOCBU
 
-# Avoid telldir prototype conflict in pp_sys.c  (NetBSD uses const DIR *)
-# Configure should test for this.  Volunteers?
-pp_sys_cflags='ccflags="$ccflags -DHAS_TELLDIR_PROTOTYPE"'
+# Set sensible defaults for NetBSD: look for local software in
+# /usr/pkg (NetBSD Packages Collection) and in /usr/local.
+#
+loclibpth="/usr/pkg/lib /usr/local/lib"
+locincpth="/usr/pkg/include /usr/local/include"
+case "$rpathflag" in
+'')
+       ldflags=
+       ;;
+*)
+       ldflags=
+       for yyy in $loclibpth; do
+               ldflags="$ldflags $rpathflag$yyy"
+       done
+       ;;
+esac
 
-# Pre-empt the /usr/bin/perl question of installperl.
-installusrbinperl='n'
+case `uname -m` in
+alpha)
+    echo 'int main() {}' > try.c
+    gcc=`${cc:-cc} -v -c try.c 2>&1|grep 'gcc version egcs-2'`
+    case "$gcc" in
+    '' | "gcc version egcs-2.95."[3-9]*) ;; # 2.95.3 or better okay
+    *) cat >&4 <<EOF
+***
+*** Your gcc ($gcc) is known to be
+*** too buggy on netbsd/alpha to compile Perl with optimization.
+*** It is suggested you install the lang/gcc package which should
+*** have at least gcc 2.95.3 which should work okay: use for example
+*** Configure -Dcc=/usr/pkg/gcc-2.95.3/bin/cc.  You could also
+*** Configure -Doptimize=-O0 to compile Perl without any optimization
+*** but that is not recommended.
+***
+EOF
+       exit 1
+       ;;
+    esac
+    rm -f try.*
+    ;;
+esac
+
+# NetBSD/sparc 1.5.3/1.6.1 dumps core in the semid_ds test of Configure.
+case `uname -m` in
+sparc) d_semctl_semid_ds=undef ;;
+esac
+
+# malloc wrap works
+case "$usemallocwrap" in
+'') usemallocwrap='define' ;;
+esac
+
+# don't use perl malloc by default
+case "$usemymalloc" in
+'') usemymalloc=n ;;
+esac
 
+# NetBSD 6 defines the *at() functions in libc, but either doesn't
+# implement them, or implements them only for AT_FDCWD
+case "$osver" in
+[1-6].*)
+        d_unlinkat="$undef"
+        d_renameat="$undef"
+        d_linkat="$undef"
+        d_fchmodat="$undef"
+        ;;
+esac