2005-11-20  Todd Vierling <address@hidden>,
            Thorsten Glaser <address@hidden>

        * libltdl/m4/libtool.m4 (LT_CMD_MAX_LEN, _LT_SYS_DYNAMIC_LINKER)
        (_LT_CHECK_MAGIC_METHOD, _LT_COMPILER_PIC, _LT_LINKER_SHLIBS)
        (_LT_LANG_CXX_CONFIG) [ interix3 ]: Support for Interix/Microsoft
	Services for Unix.
        * libltdl/m4/ltdl.m4 (LT_SYS_DLOPEN_DEPLIBS): Likewise.
        * NEWS: Updated.

Index: NEWS
===================================================================
RCS file: /cvsroot/libtool/libtool/NEWS,v
retrieving revision 1.188
diff -u -r1.188 NEWS
--- NEWS	29 Oct 2005 14:21:01 -0000	1.188
+++ NEWS	20 Nov 2005 08:31:00 -0000
@@ -28,6 +28,7 @@
 * Fixed a regression that prevented use of libltdl without autotools.
 * Fixed a branch-1-5/HEAD regression to only link uninstalled libraries
   statically with `-static'.
+* Support for Interix 3 (Windows SFU).
 * Bug fixes.
 
 New in 1.9f: 2004-10-23; CVS version 1.9e, Libtool team:
Index: libltdl/m4/libtool.m4
===================================================================
RCS file: /cvsroot/libtool/libtool/libltdl/m4/libtool.m4,v
retrieving revision 1.46
diff -u -r1.46 libtool.m4
--- libltdl/m4/libtool.m4	14 Nov 2005 22:49:57 -0000	1.46
+++ libltdl/m4/libtool.m4	20 Nov 2005 08:31:05 -0000
@@ -1394,6 +1394,12 @@
     lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
     lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
     ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
   osf*)
     # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
     # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
@@ -2207,6 +2213,18 @@
   postinstall_cmds='chmod 555 $lib'
   ;;
 
+interix3*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
 irix5* | irix6* | nonstopux*)
   case $host_os in
     nonstopux*) version_type=nonstopux ;;
@@ -2837,6 +2855,11 @@
   esac
   ;;
 
+interix3*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
+  ;;
+
 irix5* | irix6* | nonstopux*)
   case $LD in
   *-32|*"-32 ") libmagic=32-bit;;
@@ -3339,6 +3362,10 @@
       # DJGPP does not support shared libraries at all
       _LT_TAGVAR(lt_prog_compiler_pic, $1)=
       ;;
+    interix3*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
     sysv4*MP*)
       if test -d /usr/nec; then
 	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
@@ -3434,6 +3461,10 @@
 	    ;;
 	esac
 	;;
+      interix*)
+	# This is c89, which is MS Visual C++ (no shared libs)
+	# Anyone wants to do a port?
+	;;
       irix5* | irix6* | nonstopux*)
 	case $cc_basename in
 	  CC*)
@@ -3628,6 +3659,11 @@
       esac
       ;;
 
+    interix3*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
     msdosdjgpp*)
       # Just because we use GCC doesn't mean we suddenly get shared libraries
       # on systems that don't support them.
@@ -3918,6 +3954,10 @@
       with_gnu_ld=no
     fi
     ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
   openbsd*)
     with_gnu_ld=no
     ;;
@@ -4019,6 +4059,21 @@
       fi
       ;;
 
+    interix3*)
+      _LT_TAGVAR(hardcode_direct, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
     linux*|tpf*)
       tmp_diet=no
       if test "$host_os" = linux-dietlibc; then
@@ -5509,6 +5564,20 @@
         esac
         ;;
 
+      interix3*)
+	_LT_TAGVAR(hardcode_direct, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+	# Instead, shared libraries are loaded at an image base (0x10000000 by
+	# default) and relocated if they conflict, which is a slow very memory
+	# consuming and fragmenting process.  To avoid this, we pick a random,
+	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+	# time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	;;
       irix5* | irix6*)
         case $cc_basename in
           CC*)
@@ -6140,6 +6209,14 @@
 # PORTME: override above test on systems where it is broken
 m4_if([$1], [CXX],
 [case $host_os in
+interix3*)
+  # Interix 3.5 installs completely hosed .la files for C++, so rather than
+  # hack all around it, let's just trust "g++" to DTRT.
+  _LT_TAGVAR(predep_objects,$1)=
+  _LT_TAGVAR(postdep_objects,$1)=
+  _LT_TAGVAR(postdeps,$1)=
+  ;;
+
 solaris*)
   case $cc_basename in
   CC*)
Index: libltdl/m4/ltdl.m4
===================================================================
RCS file: /cvsroot/libtool/libtool/libltdl/m4/ltdl.m4,v
retrieving revision 1.24
diff -u -r1.24 ltdl.m4
--- libltdl/m4/ltdl.m4	9 Nov 2005 21:38:09 -0000	1.24
+++ libltdl/m4/ltdl.m4	20 Nov 2005 08:33:08 -0000
@@ -348,6 +348,9 @@
   hpux10*|hpux11*)
     lt_cv_sys_dlopen_deplibs=yes
     ;;
+  interix*)
+    lt_cv_sys_dlopen_deplibs=yes
+    ;;
   irix[[12345]]*|irix6.[[01]]*)
     # Catch all versions of IRIX before 6.2, and indicate that we don't
     # know how it worked for any of those versions.