Update the configuration of CygWin32 to use the new capabilities of
[openssl.git] / Configure
index 2cc6cf99c3d48d54c7cd9572c74aa80f35ae6be7..3a421ab4bb4a4feb66025a353f18e5048747bda4 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -10,7 +10,7 @@ use strict;
 
 # see INSTALL for instructions.
 
-my $usage="Usage: Configure [no-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [no-krb5] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] os/compiler[:flags]\n";
+my $usage="Usage: Configure [no-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [no-krb5] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--test-sanity] os/compiler[:flags]\n";
 
 # Options:
 #
@@ -35,6 +35,9 @@ my $usage="Usage: Configure [no-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-
 # --with-krb5-flavor  Declare what flavor of Kerberos 5 is used.  Currently
 #              supported values are "MIT" and "Heimdal".  A value is required.
 #
+# --test-sanity Make a number of sanity checks on the data in this file.
+#               This is a debugging tool for OpenSSL developers.
+#
 # no-hw-xxx     do not compile support for specific crypto hardware.
 #               Generic OpenSSL-style methods relating to this support
 #               are always compiled but return NULL if the hardware
@@ -134,6 +137,7 @@ my %table=(
 "debug",       "gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -ggdb -g2 -Wformat -Wshadow -Wmissing-prototypes -Wmissing-declarations -Werror::(unknown)::-lefence::::",
 "debug-ben",   "gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DPEDANTIC -DDEBUG_SAFESTACK -O2 -pedantic -Wall -Wshadow -Werror -pipe::(unknown)::::asm/bn86-elf.o asm/co86-elf.o",
 "debug-ben-openbsd","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DPEDANTIC -DDEBUG_SAFESTACK -DOPENSSL_OPENBSD_DEV_CRYPTO -DOPENSSL_NO_ASM -O2 -pedantic -Wall -Wshadow -Werror -pipe::(unknown)::::",
+"debug-ben-openbsd-debug","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DPEDANTIC -DDEBUG_SAFESTACK -DOPENSSL_OPENBSD_DEV_CRYPTO -DOPENSSL_NO_ASM -g3 -O2 -pedantic -Wall -Wshadow -Werror -pipe::(unknown)::::",
 "debug-ben-debug",     "gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DPEDANTIC -DDEBUG_SAFESTACK -g3 -O2 -pedantic -Wall -Wshadow -Werror -pipe::(unknown)::::::",
 "debug-ben-strict",    "gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DCONST_STRICT -O2 -Wall -Wshadow -Werror -Wpointer-arith -Wcast-qual -Wwrite-strings -pipe::(unknown)::::::",
 "debug-rse","cc:-DTERMIOS -DL_ENDIAN -pipe -O -g -ggdb3 -Wall::(unknown):::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}",
@@ -332,11 +336,11 @@ my %table=(
 #
 # For gcc, the following gave a %50 speedup on a 164 over the 'DES_INT' version
 #
-"alpha-gcc","gcc:-O3::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_UNROLL DES_RISC1:${alpha_asm}:dlfcn:alpha-osf1-shared:::.so",
-"alphaold-cc", "cc:-std1 -tune host -O4 -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK:${alpha_asm}:dlfcn:alpha-osf1-shared:::.so",
-"alpha164-cc", "cc:-std1 -tune host -fast -readonly_strings::-pthread::SIXTY_FOUR_BIT_LONG RC4_CHUNK:${alpha_asm}:dlfcn:tru64-shared:::.so",
-"alpha-cc", "cc:-std1 -tune host -fast -readonly_strings::-pthread::SIXTY_FOUR_BIT_LONG RC4_CHUNK:${alpha_asm}:dlfcn:tru64-shared:::.so",
-"alpha-cc-rpath", "cc:-std1 -tune host -fast -readonly_strings::-pthread::SIXTY_FOUR_BIT_LONG RC4_CHUNK:${alpha_asm}:dlfcn:tru64-shared-rpath:::.so",
+"alpha-gcc","gcc:-O3::(unknown):::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_UNROLL DES_RISC1:${alpha_asm}:dlfcn:alpha-osf1-shared:::.so",
+"alphaold-cc", "cc:-std1 -tune host -O4 -readonly_strings::(unknown):::SIXTY_FOUR_BIT_LONG RC4_CHUNK:${alpha_asm}:dlfcn:alpha-osf1-shared:::.so",
+"alpha164-cc", "cc:-std1 -tune host -fast -readonly_strings::-pthread:::SIXTY_FOUR_BIT_LONG RC4_CHUNK:${alpha_asm}:dlfcn:tru64-shared:::.so",
+"alpha-cc", "cc:-std1 -tune host -fast -readonly_strings::-pthread:::SIXTY_FOUR_BIT_LONG RC4_CHUNK:${alpha_asm}:dlfcn:tru64-shared:::.so",
+"alpha-cc-rpath", "cc:-std1 -tune host -fast -readonly_strings::-pthread:::SIXTY_FOUR_BIT_LONG RC4_CHUNK:${alpha_asm}:dlfcn:tru64-shared-rpath:::.so",
 #
 # This probably belongs in a different section.
 #
@@ -369,7 +373,8 @@ my %table=(
 "linux-pentium",       "gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -mcpu=pentium -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-ppro",  "gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -mcpu=pentiumpro -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-k6",    "gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -mcpu=k6 -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"debug-linux-elf","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DL_ENDIAN -DTERMIO -g -m486 -Wall::-D_REENTRANT::-lefence -ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn",
+"debug-linux-ppro","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DL_ENDIAN -DTERMIO -g -mcpu=pentiumpro -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn",
+"debug-linux-elf","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DL_ENDIAN -DTERMIO -g -m486 -Wall::-D_REENTRANT::-lefence -ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "debug-linux-elf-noefence","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DL_ENDIAN -DTERMIO -g -m486 -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn",
 "linux-aout",  "gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -m486 -Wall::(unknown):::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_out_asm}",
 "linux-mipsel",   "gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::(unknown):::BN_LLONG:::",
@@ -377,6 +382,7 @@ my %table=(
 "linux-ppc",    "gcc:-DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_RISC1 DES_UNROLL::::::::::dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-m68k",   "gcc:-DB_ENDIAN -DTERMIO -O2 -fomit-frame-pointer -Wall::-D_REENTRANT:::BN_LLONG::",
 "linux-s390",  "gcc:-DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT:::BN_LLONG::",
+"linux-s390x", "gcc:-DB_ENDIAN -DTERMIO -DNO_ASM -O3 -fomit-frame-pointer -Wall::-D_REENTRANT:::SIXTY_FOUR_BIT_LONG:::::::::::linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-ia64",   "gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK RC4_CHAR:asm/ia64.o:::::::::dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "NetBSD-sparc",        "gcc:-DTERMIOS -O3 -fomit-frame-pointer -mv8 -Wall -DB_ENDIAN::(unknown):::BN_LLONG MD2_CHAR RC4_INDEX DES_UNROLL::::::::::dlfcn:bsd-gcc-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "NetBSD-m68",  "gcc:-DTERMIOS -O3 -fomit-frame-pointer -Wall -DB_ENDIAN::(unknown):::BN_LLONG MD2_CHAR RC4_INDEX DES_UNROLL::::::::::dlfcn:bsd-gcc-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
@@ -424,8 +430,8 @@ my %table=(
 # IBM's AIX.
 "aix-cc",   "cc:-O -DB_ENDIAN -qmaxmem=16384::(unknown):AIX::BN_LLONG RC4_CHAR:::",
 "aix-gcc",  "gcc:-O3 -DB_ENDIAN::(unknown):AIX::BN_LLONG RC4_CHAR:::",
-"aix43-cc",   "cc:-O -DAIX -DB_ENDIAN -qmaxmem=16384::(unknown)::BN_LLONG RC4_CHAR::::::::::dlfcn:",
-"aix43-gcc",  "gcc:-O3 -DAIX -DB_ENDIAN::(unknown)::BN_LLONG RC4_CHAR::::::::::dlfcn:",
+"aix43-cc",   "cc:-O -DAIX -DB_ENDIAN -qmaxmem=16384::(unknown):::BN_LLONG RC4_CHAR::::::::::dlfcn:",
+"aix43-gcc",  "gcc:-O3 -DAIX -DB_ENDIAN::(unknown):::BN_LLONG RC4_CHAR::::::::::dlfcn:",
 
 #
 # Cray T90 (SDSC)
@@ -460,13 +466,13 @@ my %table=(
 
 # SCO 5 - Ben Laurie <ben@algroup.co.uk> says the -O breaks the
 # SCO cc.
-"sco5-cc",  "cc:::(unknown)::-lsocket:${x86_gcc_des} ${x86_gcc_opts}:::", # des options?
+"sco5-cc",  "cc:-belf::(unknown)::-lsocket -lresolv -lnsl:${x86_gcc_des} ${x86_gcc_opts}::::::::::dlfcn:svr3-shared:-Kpic", # des options?
 "sco5-cc-pentium",  "cc:-Kpentium::(unknown)::-lsocket:${x86_gcc_des} ${x86_gcc_opts}:::", # des options?
-"sco5-gcc",  "gcc:-O3 -fomit-frame-pointer::(unknown)::-lsocket:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:::", # the SCO assembler doesn't seem to like our assembler files ...
+"sco5-gcc",  "gcc:-O3 -fomit-frame-pointer::(unknown)::-lsocket -lresolv -lnsl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:svr3-shared:-fPIC", # the SCO assembler doesn't seem to like our assembler files ...
 
 # Sinix/ReliantUNIX RM400
 # NOTE: The CDS++ Compiler up to V2.0Bsomething has the IRIX_CC_BUG optimizer problem. Better use -g  */
-"ReliantUNIX","cc:-KPIC -g -DTERMIOS -DB_ENDIAN::-Kthread:SNI:-lsocket -lnsl -lc -L/usr/ucblib -lucb:BN_LLONG DES_PTR DES_RISC2 DES_UNROLL BF_PTR:::",
+"ReliantUNIX","cc:-KPIC -g -DTERMIOS -DB_ENDIAN::-Kthread:SNI:-lsocket -lnsl -lc -L/usr/ucblib -lucb:BN_LLONG DES_PTR DES_RISC2 DES_UNROLL BF_PTR::::::::::dlfcn:reliantunix-shared::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "SINIX","cc:-O::(unknown):SNI:-lsocket -lnsl -lc -L/usr/ucblib -lucb:RC4_INDEX RC4_CHAR:::",
 "SINIX-N","/usr/ucb/cc:-O2 -misaligned::(unknown)::-lucb:RC4_INDEX RC4_CHAR:::",
 
@@ -498,7 +504,8 @@ my %table=(
 "Mingw32", "gcc:-DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall:::::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}::::::::::win32",
 
 # CygWin32
-"CygWin32", "gcc:-DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall:::CYGWIN32::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}::::::::::win32",
+"CygWin32-pre1.3", "gcc:-DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall::(unknown):CYGWIN32::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}::::::::::win32",
+"CygWin32", "gcc:-DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall:::CYGWIN32::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}::::::::::win32:cygwin-shared::.dll",
 
 # Ultrix from Bernhard Simon <simon@zid.tuwien.ac.at>
 "ultrix-cc","cc:-std1 -O -Olimit 1000 -DL_ENDIAN::(unknown):::::::",
@@ -514,7 +521,7 @@ my %table=(
 
 ##### MacOS X (a.k.a. Rhapsody or Darwin) setup
 "rhapsody-ppc-cc","cc:-O3 -DB_ENDIAN::(unknown):MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:::",
-"darwin-ppc-cc","cc:-O3 -nostdinc -I/System/Library/Frameworks/System.framework/Headers -I/System/Library/Frameworks/System.frameworks/Headers/bsd -I/usr/include -fomit-frame-pointer -Wall -DB_ENDIAN::(unknown):MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR::::::::::::-fPIC",
+"darwin-ppc-cc","cc:-O3 -nostdinc -I/System/Library/Frameworks/System.framework/Headers -I/System/Library/Frameworks/System.frameworks/Headers/bsd -I/usr/include -fomit-frame-pointer -Wall -DB_ENDIAN::(unknown):MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:::::::::::darwin-shared:-fPIC:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 "darwin-i386-cc","cc:-O3 -nostdinc -I/System/Library/Frameworks/System.framework/Headers -I/System/Library/Frameworks/System.frameworks/Headers/bsd -I/usr/include -fomit-frame-pointer -Wall -DB_ENDIAN::(unknown):MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR::::::::::::-fPIC",
 
 ##### Sony NEWS-OS 4.x
@@ -531,6 +538,30 @@ my %table=(
 my @WinTargets=qw(VC-NT VC-WIN32 VC-WIN16 VC-W31-16 VC-W31-32 VC-MSDOS BC-32
        BC-16 Mingw32 OS2-EMX);
 
+my $idx = 0;
+my $idx_cc = $idx++;
+my $idx_cflags = $idx++;
+my $idx_unistd = $idx++;
+my $idx_thread_cflag = $idx++;
+my $idx_sys_id = $idx++;
+my $idx_lflags = $idx++;
+my $idx_bn_ops = $idx++;
+my $idx_bn_obj = $idx++;
+my $idx_des_obj = $idx++;
+my $idx_bf_obj = $idx++;
+my $idx_md5_obj = $idx++;
+my $idx_sha1_obj = $idx++;
+my $idx_cast_obj = $idx++;
+my $idx_rc4_obj = $idx++;
+my $idx_rmd160_obj = $idx++;
+my $idx_rc5_obj = $idx++;
+my $idx_dso_scheme = $idx++;
+my $idx_shared_target = $idx++;
+my $idx_shared_cflag = $idx++;
+my $idx_shared_ldflag = $idx++;
+my $idx_shared_extension = $idx++;
+my $idx_ranlib = $idx++;
+
 my $prefix="";
 my $openssldir="";
 my $exe_ext="";
@@ -616,7 +647,11 @@ PROCESS_ARGS:
        foreach (@argvcopy)
                {
                s /^-no-/no-/; # some people just can't read the instructions
-               if (/^no-asm$/)
+               if (/^--test-sanity$/)
+                       {
+                       exit(&test_sanity());
+                       }
+               elsif (/^no-asm$/)
                        {
                        $no_asm=1;
                        $flags .= "-DOPENSSL_NO_ASM ";
@@ -851,12 +886,30 @@ $openssldir=$prefix . "/" . $openssldir if $openssldir !~ /^\//;
 
 print "IsWindows=$IsWindows\n";
 
-(my $cc,my $cflags,my $unistd,my $thread_cflag,my $sys_id,my $lflags,
-my $bn_ops,my $bn_obj,my $des_obj,my $bf_obj,
-my $md5_obj,my $sha1_obj,my $cast_obj,my $rc4_obj,my $rmd160_obj,
-my $rc5_obj,my $dso_scheme,my $shared_target,my $shared_cflag,
-my $shared_ldflag,my $shared_extension,my $ranlib)=
-       split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
+my @fields = split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
+my $cc = $fields[$idx_cc];
+my $cflags = $fields[$idx_cflags];
+my $unistd = $fields[$idx_unistd];
+my $thread_cflag = $fields[$idx_thread_cflag];
+my $sys_id = $fields[$idx_sys_id];
+my $lflags = $fields[$idx_lflags];
+my $bn_ops = $fields[$idx_bn_ops];
+my $bn_obj = $fields[$idx_bn_obj];
+my $des_obj = $fields[$idx_des_obj];
+my $bf_obj = $fields[$idx_bf_obj];
+my $md5_obj = $fields[$idx_md5_obj];
+my $sha1_obj = $fields[$idx_sha1_obj];
+my $cast_obj = $fields[$idx_cast_obj];
+my $rc4_obj = $fields[$idx_rc4_obj];
+my $rmd160_obj = $fields[$idx_rmd160_obj];
+my $rc5_obj = $fields[$idx_rc5_obj];
+my $dso_scheme = $fields[$idx_dso_scheme];
+my $shared_target = $fields[$idx_shared_target];
+my $shared_cflag = $fields[$idx_shared_cflag];
+my $shared_ldflag = $fields[$idx_shared_ldflag];
+my $shared_extension = $fields[$idx_shared_extension];
+my $ranlib = $fields[$idx_ranlib];
+
 $cflags="$flags$cflags" if ($flags ne "");
 
 # Kerberos settings.  The flavor must be provided from outside, either through
@@ -1448,7 +1501,7 @@ sub print_table_entry
        my $bn_ops,my $bn_obj,my $des_obj,my $bf_obj,
        my $md5_obj,my $sha1_obj,my $cast_obj,my $rc4_obj,my $rmd160_obj,
        my $rc5_obj,my $dso_scheme,my $shared_target,my $shared_cflag,
-       my $shared_extension,my $ranlib)=
+       my $shared_ldflag,my $shared_extension,my $ranlib)=
        split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
                        
        print <<EOF
@@ -1473,7 +1526,44 @@ sub print_table_entry
 \$dso_scheme   = $dso_scheme
 \$shared_target= $shared_target
 \$shared_cflag = $shared_cflag
+\$shared_ldflag = $shared_ldflag
 \$shared_extension = $shared_extension
 \$ranlib       = $ranlib
 EOF
        }
+
+sub test_sanity
+       {
+       my $errorcnt = 0;
+
+       print STDERR "=" x 70, "\n";
+       print STDERR "=== SANITY TESTING!\n";
+       print STDERR "=== No configuration will be done, all other arguments will be ignored!\n";
+       print STDERR "=" x 70, "\n";
+
+       foreach $target (sort keys %table)
+               {
+               @fields = split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
+
+               if ($fields[$idx_dso_scheme-1] =~ /^(dl|dlfcn|win32|vms)$/)
+                       {
+                       $errorcnt++;
+                       print STDERR "SANITY ERROR: '$target' has the dso_scheme [$idx_dso_scheme] values\n";
+                       print STDERR "              in the previous field\n";
+                       }
+               elsif ($fields[$idx_dso_scheme+1] =~ /^(dl|dlfcn|win32|vms)$/)
+                       {
+                       $errorcnt++;
+                       print STDERR "SANITY ERROR: '$target' has the dso_scheme [$idx_dso_scheme] values\n";
+                       print STDERR "              in the following field\n";
+                       }
+               elsif ($fields[$idx_dso_scheme] !~ /^(dl|dlfcn|win32|vms|)$/)
+                       {
+                       $errorcnt++;
+                       print STDERR "SANITY ERROR: '$target' has the dso_scheme [$idx_dso_scheme] field = ",$fields[$idx_dso_scheme],"\n";
+                       print STDERR "              valid values are 'dl', 'dlfcn', 'win32' and 'vms'\n";
+                       }
+               }
+       print STDERR "No sanity errors detected!\n" if $errorcnt == 0;
+       return $errorcnt;
+       }