$OpenBSD: patch-admin_libtool_m4_in,v 1.1 2006/04/01 10:49:21 espie Exp $
--- admin/libtool.m4.in.orig	Sat Sep 10 16:28:22 2005
+++ admin/libtool.m4.in	Sun Sep 18 14:09:00 2005
@@ -672,6 +672,19 @@ AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [d
     lt_cv_sys_max_cmd_len=8192;
     ;;
 
+  netbsd* | freebsd* | openbsd* | darwin* )
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536 # usable default for *BSD
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    ;;
+
  *)
     # If test is not a shell built-in, we'll probably end up computing a
     # maximum length that is only half of the actual maximum length, but
@@ -2212,13 +2225,7 @@ nto-qnx*)
   ;;
 
 openbsd*)
-  lt_cv_file_magic_cmd=/usr/bin/file
-  lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
-  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
-    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB shared object'
-  else
-    lt_cv_deplibs_check_method='file_magic OpenBSD.* shared library'
-  fi
+  lt_cv_deplibs_check_method=pass_all
   ;;
 
 osf3* | osf4* | osf5*)
@@ -3192,6 +3199,22 @@ case $host_os in
     # Workaround some broken pre-1.5 toolchains
     output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
     ;;
+  openbsd2*)
+      # C++ shared libraries are fairly broken
+      _LT_AC_TAGVAR(ld_shlibs, $1)=no
+      ;;
+  openbsd*)
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+      if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+       _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib'
+       _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+       _LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+      fi
+      output_verbose_link_cmd='echo'
+      ;;
   osf3*)
     case $cc_basename in
       KCC)
@@ -5520,6 +5543,7 @@ EOF
       _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
       if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
 	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $compiler_flags $libobjs $deplibs'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
 	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
 	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
       else