The Mingw32 configuration entry was missing one colon (found by

"Zot O'Connor" <zot@ZotConsulting.com>).
Also, Windows probably does not need the warning about multi-threading.

Configure

@@ -254,20 +254,20 @@ my %table=(
 
 # Windows NT, Microsoft Visual C++ 4.0
 
-"VC-NT","cl:::(unknown)::BN_LLONG RC4_INDEX ${x86_gcc_opts}:::",
-"VC-WIN32","cl:::(unknown)::BN_LLONG RC4_INDEX ${x86_gcc_opts}:::",
+"VC-NT","cl:::::BN_LLONG RC4_INDEX ${x86_gcc_opts}:::",
+"VC-WIN32","cl:::::BN_LLONG RC4_INDEX ${x86_gcc_opts}:::",
 "VC-WIN16","cl:::(unknown)::MD2_CHAR DES_UNROLL DES_PTR RC4_INDEX THIRTY_TWO_BIT:::",
 "VC-W31-16","cl:::(unknown)::BN_LLONG MD2_CHAR DES_UNROLL DES_PTR RC4_INDEX SIXTEEN_BIT:::",
-"VC-W31-32","cl:::(unknown)::BN_LLONG MD2_CHAR DES_UNROLL DES_PTR RC4_INDEX THIRTY_TWO_BIT:::",
+"VC-W31-32","cl:::::BN_LLONG MD2_CHAR DES_UNROLL DES_PTR RC4_INDEX THIRTY_TWO_BIT:::",
 "VC-MSDOS","cl:::(unknown)::BN_LLONG MD2_CHAR DES_UNROLL DES_PTR RC4_INDEX SIXTEEN_BIT:::",
 
 # Borland C++ 4.5
-"BC-32","bcc32:::(unknown)::BN_LLONG DES_PTR RC4_INDEX:::",
+"BC-32","bcc32:::::BN_LLONG DES_PTR RC4_INDEX:::",
 "BC-16","bcc:::(unknown)::BN_LLONG DES_PTR RC4_INDEX SIXTEEN_BIT:::",
 
 # CygWin32
-"CygWin32", "gcc:-DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall::(unknown)::BN_LLONG $x86_gcc_des $x86_gcc_opts:",
-"Mingw32", "gcc:-DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall::(unknown):BN_LLONG $x86_gcc_des $x86_gcc_opts:",
+"CygWin32", "gcc:-DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall::::BN_LLONG $x86_gcc_des $x86_gcc_opts:",
+"Mingw32", "gcc:-DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall::::BN_LLONG $x86_gcc_des $x86_gcc_opts:",
 
 # Ultrix from Bernhard Simon <simon@zid.tuwien.ac.at>
 "ultrix-cc","cc:-std1 -O -Olimit 1000 -DL_ENDIAN::(unknown)::::::",
@@ -735,7 +735,7 @@ print <<\EOF if (!$no_threads && !$threads);
 
 The library could not be configured for supporting multi-threaded
 applications as the compiler options required on this system are not known.
-See file INSTALL for details.
+See file INSTALL for details if you need multi-threading.
 
 EOF
 

TABLE

@@ -21,7 +21,7 @@ $rc5_obj      =
 $cc           = bcc32
 $cflags       = 
 $unistd       = 
-$thread_cflag = (unknown)
+$thread_cflag = 
 $lflags       = 
 $bn_ops       = BN_LLONG DES_PTR RC4_INDEX
 $bn_obj       = 
@@ -55,7 +55,7 @@ $rc5_obj      =
 $cc           = gcc
 $cflags       = -DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall
 $unistd       = 
-$thread_cflag = (unknown)
+$thread_cflag = 
 $lflags       = 
 $bn_ops       = BN_LLONG DES_PTR DES_RISC1 DES_UNROLL RC4_INDEX MD2_INT
 $bn_obj       = 
@@ -106,9 +106,9 @@ $rc5_obj      =
 $cc           = gcc
 $cflags       = -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall
 $unistd       = 
-$thread_cflag = (unknown)
-$lflags       = BN_LLONG DES_PTR DES_RISC1 DES_UNROLL RC4_INDEX MD2_INT
-$bn_ops       = 
+$thread_cflag = 
+$lflags       = 
+$bn_ops       = BN_LLONG DES_PTR DES_RISC1 DES_UNROLL RC4_INDEX MD2_INT
 $bn_obj       = 
 $des_obj      = 
 $bf_obj       = 
@@ -310,7 +310,7 @@ $rc5_obj      =
 $cc           = cl
 $cflags       = 
 $unistd       = 
-$thread_cflag = (unknown)
+$thread_cflag = 
 $lflags       = 
 $bn_ops       = BN_LLONG RC4_INDEX RC4_INDEX MD2_INT
 $bn_obj       = 
@@ -344,7 +344,7 @@ $rc5_obj      =
 $cc           = cl
 $cflags       = 
 $unistd       = 
-$thread_cflag = (unknown)
+$thread_cflag = 
 $lflags       = 
 $bn_ops       = BN_LLONG MD2_CHAR DES_UNROLL DES_PTR RC4_INDEX THIRTY_TWO_BIT
 $bn_obj       = 
@@ -378,7 +378,7 @@ $rc5_obj      =
 $cc           = cl
 $cflags       = 
 $unistd       = 
-$thread_cflag = (unknown)
+$thread_cflag = 
 $lflags       = 
 $bn_ops       = BN_LLONG RC4_INDEX RC4_INDEX MD2_INT
 $bn_obj       =