X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Fnetbsd.sh;h=741413ed4fc48221f726636e7b3f75b4e3dc8879;hb=588cafc81b146d309df37bae231b533d51bccb74;hp=c508815a46c99c8a94843b6db942858a19096afa;hpb=229e211d257ba41610a1ec7a44c71df962201eb5;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/hints/netbsd.sh b/hints/netbsd.sh
index c508815..741413e 100644
--- a/hints/netbsd.sh
+++ b/hints/netbsd.sh
@@ -1,12 +1,7 @@
 # hints/netbsd.sh
 #
-# talk to mrg@eterna.com.au 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.  however, they don't work/build on
-# pmax, powerpc and alpha ports correctly, yet.
+# Please check with packages@netbsd.org before making modifications
+# to this file.
 
 case "$archname" in
 '')
@@ -14,31 +9,55 @@ case "$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"
 	;;
 *)
 	case `uname -m` in
-	alpha|powerpc|pmax)
-		d_dlopen=$undef
+	pmax)
+		# NetBSD 1.3 and 1.3.1 on pmax shipped an `old' ld.so,
+		# which will not work.
+		case "$osvers" in
+		1.3|1.3.1)
+			d_dlopen=$undef
+			;;
+		esac
 		;;
-# this doesn't work (yet).
-#	alpha)
-#		d_dlopen=$define
-#		d_dlerror=$define
-#		cccdlflags="-DPIC -fPIC $cccdlflags"
-#		lddlflags="-shared $lddlflags"
-#		;;
-	*)
+	esac
+	if test -f /usr/libexec/ld.elf_so; then
+		# ELF
 		d_dlopen=$define
 		d_dlerror=$define
-# 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"
-		;;
-	esac
+		lddlflags="--whole-archive -shared $lddlflags"
+		rpathflag="-Wl,-rpath,"
+		#
+		# 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.
+		#
+		# XXX This should be obsoleted by gcc-3.0.
+		#
+		ccdlflags="-Wl,-whole-archive -lgcc -Wl,-no-whole-archive \
+			-Wl,-E $ccdlflags"
+	elif test -f /usr/libexec/ld.so; then
+		# a.out
+		d_dlopen=$define
+		d_dlerror=$define
+		cccdlflags="-DPIC -fPIC $cccdlflags"
+		lddlflags="-Bshareable $lddlflags"
+		rpathflag="-R"
+	else
+		d_dlopen=$undef
+		rpathflag=
+	fi
 	;;
 esac
 
@@ -47,16 +66,81 @@ esac
 # way to make perl call setuid() or setgid().  if they aren't, then
 # ($<, $>) = ($u, $u); will work (same for $(/$)).  this is because
 # you can not change the real userid of a process under 4.4BSD.
-# netbsd fixed this in 1.2A.
+# netbsd fixed this in 1.3.2.
 case "$osvers" in
-0.9*|1.0*|1.1*|1.2_*|1.2|1.2.*)
+0.9*|1.[012]*|1.3|1.3.1)
 	d_setregid="$undef"
 	d_setreuid="$undef"
-	d_setrgid="$undef"
-	d_setruid="$undef"
 	;;
 esac
 
-# Avoid telldir prototype conflict in pp_sys.c  (NetBSD uses const DIR *)
-# Configure should test for this.  Volunteers?
-pp_sys_cflags='ccflags="$ccflags -DHAS_TELLDIR_PROTOTYPE"'
+# These are obsolete in any netbsd.
+d_setrgid="$undef"
+d_setruid="$undef"
+
+# there's no problem with vfork.
+usevfork=true
+
+# This is there but in machine/ieeefp_h.
+ieeefp_h="define"
+
+# This script UU/usethreads.cbu will get 'called-back' by Configure 
+# after it has prompted the user for whether to use threads. 
+cat > UU/usethreads.cbu <<'EOCBU' 
+case "$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 "$0: No POSIX threads library (-lpthread) found.  " \
+		     "You may want to install GNU pth.  Aborting." >&4 
+		exit 1 
+        fi
+	unset lpthread
+        ;; 
+esac 
+EOCBU
+
+# Set sensible defaults for NetBSD: look for local software in
+# /usr/pkg (NetBSD Packages Collection) and in /usr/local.
+#
+loclibpth="/usr/pkg/lib /usr/local/lib"
+locincpth="/usr/pkg/include /usr/local/include"
+case "$rpathflag" in
+'')
+	ldflags=
+	;;
+*)
+	ldflags=
+	for yyy in $loclibpth; do
+		ldflags="$ldflags $rpathflag$yyy"
+	done
+	;;
+esac