+# do a rule for each file that says 'copy' to new direcory on change
+sub do_copy_rule
+ {
+ local($to,$files,$p)=@_;
+ local($ret,$_,$n,$pp);
+
+ $files =~ s/\//$o/g if $o ne '/';
+ foreach (split(/\s+/,$files))
+ {
+ $n=&bname($_);
+ if ($n =~ /bss_file/)
+ { $pp=".c"; }
+ else { $pp=$p; }
+ $ret.="$to${o}$n$pp: \$(SRC_D)$o$_$pp\n\t\$(CP) \"\$(SRC_D)$o$_$pp\" \"$to${o}$n$pp\"\n\n";
+ }
+ return($ret);
+ }
+
+sub read_options
+ {
+ # Many options are handled in a similar way. In particular
+ # no-xxx sets zero or more scalars to 1.
+ # Process these using a hash containing the option name and
+ # reference to the scalars to set.
+
+ my %valid_options = (
+ "no-rc2" => \$no_rc2,
+ "no-rc4" => \$no_rc4,
+ "no-rc5" => \$no_rc5,
+ "no-idea" => \$no_idea,
+ "no-aes" => \$no_aes,
+ "no-camellia" => \$no_camellia,
+ "no-seed" => \$no_seed,
+ "no-des" => \$no_des,
+ "no-bf" => \$no_bf,
+ "no-cast" => \$no_cast,
+ "no-md2" => \$no_md2,
+ "no-md4" => \$no_md4,
+ "no-md5" => \$no_md5,
+ "no-sha" => \$no_sha,
+ "no-sha1" => \$no_sha1,
+ "no-ripemd" => \$no_ripemd,
+ "no-mdc2" => \$no_mdc2,
+ "no-whirlpool" => \$no_whirlpool,
+ "no-patents" =>
+ [\$no_rc2, \$no_rc4, \$no_rc5, \$no_idea, \$no_rsa],
+ "no-rsa" => \$no_rsa,
+ "no-dsa" => \$no_dsa,
+ "no-dh" => \$no_dh,
+ "no-hmac" => \$no_hmac,
+ "no-asm" => \$no_asm,
+ "nasm" => \$nasm,
+ "nw-nasm" => \$nw_nasm,
+ "nw-mwasm" => \$nw_mwasm,
+ "gaswin" => \$gaswin,
+ "no-ssl2" => \$no_ssl2,
+ "no-ssl3" => \$no_ssl3,
+ "no-tlsext" => \$no_tlsext,
+ "no-cms" => \$no_cms,
+ "no-err" => \$no_err,
+ "no-sock" => \$no_sock,
+ "no-krb5" => \$no_krb5,
+ "no-ec" => \$no_ec,
+ "no-ecdsa" => \$no_ecdsa,
+ "no-ecdh" => \$no_ecdh,
+ "no-engine" => \$no_engine,
+ "no-hw" => \$no_hw,
+ "just-ssl" =>
+ [\$no_rc2, \$no_idea, \$no_des, \$no_bf, \$no_cast,
+ \$no_md2, \$no_sha, \$no_mdc2, \$no_dsa, \$no_dh,
+ \$no_ssl2, \$no_err, \$no_ripemd, \$no_rc5,
+ \$no_aes, \$no_camellia, \$no_seed],
+ "rsaref" => 0,
+ "gcc" => \$gcc,
+ "debug" => \$debug,
+ "profile" => \$profile,
+ "shlib" => \$shlib,
+ "dll" => \$shlib,
+ "shared" => 0,
+ "no-gmp" => 0,
+ "no-rfc3779" => 0,
+ "no-montasm" => 0,
+ "no-shared" => 0,
+ "no-zlib" => 0,
+ "no-zlib-dynamic" => 0,
+ );
+
+ if (exists $valid_options{$_})
+ {
+ my $r = $valid_options{$_};
+ if ( ref $r eq "SCALAR")
+ { $$r = 1;}
+ elsif ( ref $r eq "ARRAY")
+ {
+ my $r2;
+ foreach $r2 (@$r)
+ {
+ $$r2 = 1;
+ }
+ }
+ }
+ elsif (/^no-comp$/) { $xcflags = "-DOPENSSL_NO_COMP $xcflags"; }
+ elsif (/^enable-zlib$/) { $zlib_opt = 1 if $zlib_opt == 0 }
+ elsif (/^enable-zlib-dynamic$/)
+ {
+ $zlib_opt = 2;
+ }
+ elsif (/^no-static-engine/)
+ {
+ $no_static_engine = 1;
+ }
+ elsif (/^enable-static-engine/)
+ {
+ $no_static_engine = 0;
+ }
+ # There are also enable-xxx options which correspond to
+ # the no-xxx. Since the scalars are enabled by default
+ # these can be ignored.
+ elsif (/^enable-/)
+ {
+ my $t = $_;
+ $t =~ s/^enable/no/;
+ if (exists $valid_options{$t})
+ {return 1;}
+ return 0;
+ }
+ elsif (/^--with-krb5-flavor=(.*)$/)
+ {
+ my $krb5_flavor = $1;
+ if ($krb5_flavor =~ /^force-[Hh]eimdal$/)
+ {
+ $xcflags="-DKRB5_HEIMDAL $xcflags";
+ }
+ elsif ($krb5_flavor =~ /^MIT/i)
+ {
+ $xcflags="-DKRB5_MIT $xcflags";
+ if ($krb5_flavor =~ /^MIT[._-]*1[._-]*[01]/i)
+ {
+ $xcflags="-DKRB5_MIT_OLD11 $xcflags"
+ }
+ }
+ }
+ elsif (/^([^=]*)=(.*)$/){ $VARS{$1}=$2; }
+ elsif (/^-[lL].*$/) { $l_flags.="$_ "; }
+ elsif ((!/^-help/) && (!/^-h/) && (!/^-\?/) && /^-.*$/)
+ { $c_flags.="$_ "; }
+ else { return(0); }
+ return(1);
+ }