diff --git a/m4/libtool.m4 b/m4/libtool.m4
index a3bc337..bfdded7 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -1692,7 +1692,7 @@ AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
     lt_cv_sys_max_cmd_len=-1;
     ;;
 
-  cygwin* | mingw* | cegcc*)
+  cygwin* | mingw* | msys* | cegcc*)
     # On Win9x/ME, this test blows up -- it succeeds, but takes
     # about 5 minutes as the teststring grows exponentially.
     # Worse, since 9x/ME are not pre-emptively multitasking,
@@ -1935,7 +1935,7 @@ else
     lt_cv_dlopen_self=yes
     ;;
 
-  mingw* | pw32* | cegcc*)
+  mingw* | msys* | pw32* | cegcc*)
     lt_cv_dlopen=LoadLibrary
     lt_cv_dlopen_libs=
     ;;
@@ -2294,7 +2294,7 @@ if test yes = "$GCC"; then
     *) lt_awk_arg='/^libraries:/' ;;
   esac
   case $host_os in
-    mingw* | cegcc*) lt_sed_strip_eq='s|=\([[A-Za-z]]:\)|\1|g' ;;
+    mingw* | msys* | cegcc*) lt_sed_strip_eq='s|=\([[A-Za-z]]:\)|\1|g' ;;
     *) lt_sed_strip_eq='s|=/|/|g' ;;
   esac
   lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
@@ -2352,7 +2352,7 @@ BEGIN {RS = " "; FS = "/|\n";} {
   # AWK program above erroneously prepends '/' to C:/dos/paths
   # for these hosts.
   case $host_os in
-    mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
+    mingw* | msys* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
       $SED 's|/\([[A-Za-z]]:\)|\1|g'` ;;
   esac
   sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
@@ -2521,7 +2521,7 @@ bsdi[[45]]*)
   # libtool to hard-code these into programs
   ;;
 
-cygwin* | mingw* | pw32* | cegcc*)
+cygwin* | mingw* | msys* | pw32* | cegcc*)
   version_type=windows
   shrext_cmds=.dll
   need_version=no
@@ -2553,7 +2553,7 @@ cygwin* | mingw* | pw32* | cegcc*)
 m4_if([$1], [],[
       sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"])
       ;;
-    mingw* | cegcc*)
+    mingw* | msys* | cegcc*)
       # MinGW DLLs use traditional 'lib' prefix
       soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
       ;;
@@ -2572,7 +2572,7 @@ m4_if([$1], [],[
     library_names_spec='$libname.dll.lib'
 
     case $build_os in
-    mingw*)
+    mingw* | msys*)
       sys_lib_search_path_spec=
       lt_save_ifs=$IFS
       IFS=';'
@@ -3256,7 +3256,7 @@ if test yes = "$GCC"; then
   # Check if gcc -print-prog-name=ld gives a path.
   AC_MSG_CHECKING([for ld used by $CC])
   case $host in
-  *-*-mingw*)
+  *-*-mingw* | *-*-msys*)
     # gcc leaves a trailing carriage return, which upsets mingw
     ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
   *)
@@ -3365,7 +3365,7 @@ case $reload_flag in
 esac
 reload_cmds='$LD$reload_flag -o $output$reload_objs'
 case $host_os in
-  cygwin* | mingw* | pw32* | cegcc*)
+  cygwin* | mingw* | msys* | pw32* | cegcc*)
     if test yes != "$GCC"; then
       reload_cmds=false
     fi
@@ -3464,7 +3464,7 @@ cygwin*)
   lt_cv_file_magic_cmd='func_win32_libid'
   ;;
 
-mingw* | pw32*)
+mingw* | msys* | pw32*)
   # Base MSYS/MinGW do not provide the 'file' command needed by
   # func_win32_libid shell function, so use a weaker test based on 'objdump',
   # unless we find 'file', for example because we are cross-compiling.
@@ -3628,7 +3628,7 @@ file_magic_glob=
 want_nocaseglob=no
 if test "$build" = "$host"; then
   case $host_os in
-  mingw* | pw32*)
+  mingw* | msys* | pw32*)
     if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
       want_nocaseglob=yes
     else
@@ -3680,7 +3680,7 @@ else
 	# Tru64's nm complains that /dev/null is an invalid object file
 	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
 	case $build_os in
-	mingw*) lt_bad_file=conftest.nm/nofile ;;
+	mingw* | msys*) lt_bad_file=conftest.nm/nofile ;;
 	*) lt_bad_file=/dev/null ;;
 	esac
 	case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
@@ -3771,7 +3771,7 @@ lt_cv_sharedlib_from_linklib_cmd,
 [lt_cv_sharedlib_from_linklib_cmd='unknown'
 
 case $host_os in
-cygwin* | mingw* | pw32* | cegcc*)
+cygwin* | mingw* | msys* | pw32* | cegcc*)
   # two different shell functions defined in ltmain.sh;
   # decide which one to use based on capabilities of $DLLTOOL
   case `$DLLTOOL --help 2>&1` in
@@ -3916,7 +3916,7 @@ case $host_os in
 aix*)
   symcode='[[BCDT]]'
   ;;
-cygwin* | mingw* | pw32* | cegcc*)
+cygwin* | mingw* | msys* | pw32* | cegcc*)
   symcode='[[ABCDGISTW]]'
   ;;
 hpux*)
@@ -3995,7 +3995,7 @@ $lt_c_name_lib_hook\
 # Handle CRLF in mingw tool chain
 opt_cr=
 case $build_os in
-mingw*)
+mingw* | msys*)
   opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
   ;;
 esac
@@ -4222,7 +4222,7 @@ m4_if([$1], [CXX], [
     beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
       # PIC is the default for these OSes.
       ;;
-    mingw* | cygwin* | os2* | pw32* | cegcc*)
+    mingw* | msys* | cygwin* | os2* | pw32* | cegcc*)
       # This hack is so that the source file can tell whether it is being
       # built for inclusion in a dll (and should export symbols for example).
       # Although the cygwin gcc ignores -fPIC, still need this for old-style
@@ -4298,7 +4298,7 @@ m4_if([$1], [CXX], [
 	  ;;
 	esac
 	;;
-      mingw* | cygwin* | os2* | pw32* | cegcc*)
+      mingw* | msys* | cygwin* | os2* | pw32* | cegcc*)
 	# This hack is so that the source file can tell whether it is being
 	# built for inclusion in a dll (and should export symbols for example).
 	m4_if([$1], [GCJ], [],
@@ -4546,7 +4546,7 @@ m4_if([$1], [CXX], [
       # PIC is the default for these OSes.
       ;;
 
-    mingw* | cygwin* | pw32* | os2* | cegcc*)
+    mingw* | msys* | cygwin* | pw32* | os2* | cegcc*)
       # This hack is so that the source file can tell whether it is being
       # built for inclusion in a dll (and should export symbols for example).
       # Although the cygwin gcc ignores -fPIC, still need this for old-style
@@ -4650,7 +4650,7 @@ m4_if([$1], [CXX], [
       esac
       ;;
 
-    mingw* | cygwin* | pw32* | os2* | cegcc*)
+    mingw* | msys* | cygwin* | pw32* | os2* | cegcc*)
       # This hack is so that the source file can tell whether it is being
       # built for inclusion in a dll (and should export symbols for example).
       m4_if([$1], [GCJ], [],
@@ -4925,7 +4925,7 @@ m4_if([$1], [CXX], [
   pw32*)
     _LT_TAGVAR(export_symbols_cmds, $1)=$ltdll_cmds
     ;;
-  cygwin* | mingw* | cegcc*)
+  cygwin* | mingw* | msys* | cegcc*)
     case $cc_basename in
     cl*)
       _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
@@ -4983,7 +4983,7 @@ dnl Note also adjust exclude_expsyms for C++ above.
   extract_expsyms_cmds=
 
   case $host_os in
-  cygwin* | mingw* | pw32* | cegcc*)
+  cygwin* | mingw* | msys* | pw32* | cegcc*)
     # FIXME: the MSVC++ port hasn't been tested in a loooong time
     # When not using gcc, we currently assume that we are using
     # Microsoft Visual C++.
@@ -5098,7 +5098,7 @@ _LT_EOF
       fi
       ;;
 
-    cygwin* | mingw* | pw32* | cegcc*)
+    cygwin* | mingw* | msys* | pw32* | cegcc*)
       # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
       # as there is no search path for DLLs.
       _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
@@ -5554,7 +5554,7 @@ _LT_EOF
       _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
       ;;
 
-    cygwin* | mingw* | pw32* | cegcc*)
+    cygwin* | mingw* | msys* | pw32* | cegcc*)
       # When not using gcc, we currently assume that we are using
       # Microsoft Visual C++.
       # hardcode_libdir_flag_spec is actually meaningless, as there is
@@ -6629,7 +6629,7 @@ if test yes != "$_lt_caught_CXX_error"; then
         esac
         ;;
 
-      cygwin* | mingw* | pw32* | cegcc*)
+      cygwin* | mingw* | msys* | pw32* | cegcc*)
 	case $GXX,$cc_basename in
 	,cl* | no,cl*)
 	  # Native MSVC
@@ -8312,9 +8312,9 @@ AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 AC_MSG_CHECKING([how to convert $build file names to $host format])
 AC_CACHE_VAL(lt_cv_to_host_file_cmd,
 [case $host in
-  *-*-mingw* )
+  *-*-mingw* | *-*-msys* )
     case $build in
-      *-*-mingw* ) # actually msys
+      *-*-mingw* | *-*-msys* ) # actually msys
         lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
         ;;
       *-*-cygwin* )
@@ -8327,7 +8327,7 @@ AC_CACHE_VAL(lt_cv_to_host_file_cmd,
     ;;
   *-*-cygwin* )
     case $build in
-      *-*-mingw* ) # actually msys
+      *-*-mingw* | *-*-msys* ) # actually msys
         lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
         ;;
       *-*-cygwin* )
@@ -8353,9 +8353,9 @@ AC_CACHE_VAL(lt_cv_to_tool_file_cmd,
 [#assume ordinary cross tools, or native build.
 lt_cv_to_tool_file_cmd=func_convert_file_noop
 case $host in
-  *-*-mingw* )
+  *-*-mingw* | *-*-msys* )
     case $build in
-      *-*-mingw* ) # actually msys
+      *-*-mingw* | *-*-msys* ) # actually msys
         lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
         ;;
     esac
diff --git a/m4/ltdl.m4 b/m4/ltdl.m4
index bde587a..c326cb4 100644
--- a/m4/ltdl.m4
+++ b/m4/ltdl.m4
@@ -712,7 +712,7 @@ darwin[[1567]].*)
 beos*)
   LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}load_add_on.la"
   ;;
-cygwin* | mingw* | pw32*)
+cygwin* | mingw* | msys* | pw32*)
   AC_CHECK_DECLS([cygwin_conv_path], [], [], [[#include <sys/cygwin.h>]])
   LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}loadlibrary.la"
   ;;
diff --git a/m4/ltoptions.m4 b/m4/ltoptions.m4
index 94b0829..b625411 100644
--- a/m4/ltoptions.m4
+++ b/m4/ltoptions.m4
@@ -128,7 +128,7 @@ LT_OPTION_DEFINE([LT_INIT], [win32-dll],
 [enable_win32_dll=yes
 
 case $host in
-*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
+*-*-cygwin* | *-*-mingw* | *-*-msys* | *-*-pw32* | *-*-cegcc*)
   AC_CHECK_TOOL(AS, as, false)
   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
   AC_CHECK_TOOL(OBJDUMP, objdump, false)