Use 8bit-counters when using libfuzzer
[openssl.git] / Configure
index d78ab7aac7fdabd9d3b99fbe70b79d1d6c051674..9d564ba1627a274f4be402956105ef81c74081ca 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -60,11 +60,12 @@ my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [-Dxxx] [-lx
 # zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
 #              library and will be loaded in run-time by the OpenSSL library.
 # sctp          include SCTP support
-# 386           generate 80386 code
 # enable-weak-ssl-ciphers
 #               Enable weak ciphers that are disabled by default. This currently
 #               only includes RC4 based ciphers.
-# no-sse2      disables IA-32 SSE2 code, above option implies no-sse2
+# 386           generate 80386 code in assembly modules
+# no-sse2       disables IA-32 SSE2 code in assembly modules, the above
+#               mentioned '386' option implies this one
 # no-<cipher>   build without specified algorithm (rsa, idea, rc5, ...)
 # -<xxx> +<xxx> compiler options are passed through
 # -static       while -static is also a pass-through compiler option (and
@@ -114,6 +115,7 @@ my $gcc_devteam_warn = "-DDEBUG_UNUSED"
         # it grew impossible to resolve this without sizeable additional
         # code, so we just tell compiler to be pedantic about everything
         # but 'long long' type.
+        . " -Wswitch"
         . " -DPEDANTIC -pedantic -Wno-long-long"
         . " -Wall"
         . " -Wsign-compare"
@@ -127,7 +129,6 @@ my $gcc_devteam_warn = "-DDEBUG_UNUSED"
 # These are used in addition to $gcc_devteam_warn when the compiler is clang.
 # TODO(openssl-team): fix problems and investigate if (at least) the
 # following warnings can also be enabled:
-#       -Wswitch-enum
 #       -Wcast-align
 #       -Wunreachable-code
 #       -Wlanguage-extension-token -- no, we use asm()
@@ -136,6 +137,7 @@ my $gcc_devteam_warn = "-DDEBUG_UNUSED"
 my $clang_devteam_warn = ""
         . " -Qunused-arguments"
         . " -Wextra"
+        . " -Wswitch -Wswitch-default"
         . " -Wno-unused-parameter"
         . " -Wno-missing-field-initializers"
         . " -Wno-language-extension-token"
@@ -221,6 +223,8 @@ if (grep /^reconf(igure)?$/, @argvcopy) {
            if defined($configdata::config{cross_compile_prefix});
        $ENV{CC} = $configdata::config{cc}
            if defined($configdata::config{cc});
+       $ENV{CXX} = $configdata::config{cxx}
+           if defined($configdata::config{cxx});
        $ENV{BUILDFILE} = $configdata::config{build_file}
            if defined($configdata::config{build_file});
        $ENV{$local_config_envname} = $configdata::config{local_config_dir}
@@ -230,6 +234,7 @@ if (grep /^reconf(igure)?$/, @argvcopy) {
        print "    CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
            if $ENV{CROSS_COMPILE};
        print "    CC = ",$ENV{CC},"\n" if $ENV{CC};
+       print "    CXX = ",$ENV{CXX},"\n" if $ENV{CXX};
        print "    BUILDFILE = ",$ENV{BUILDFILE},"\n" if $ENV{BUILDFILE};
        print "    $local_config_envname = ",$ENV{$local_config_envname},"\n"
            if $ENV{$local_config_envname};
@@ -286,7 +291,7 @@ if (defined $ENV{$local_config_envname}) {
 }
 
 
-print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
+print "Configuring OpenSSL version $config{version} ($config{version_num})\n";
 
 $config{prefix}="";
 $config{openssldir}="";
@@ -312,9 +317,11 @@ $config{sdirs} = [
     "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
     "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
     ];
+# test/ subdirectories to build
+$config{tdirs} = [ "ossl_shim" ];
 
 # Known TLS and DTLS protocols
-my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
+my @tls = qw(ssl3 tls1 tls1_1 tls1_2 tls1_3);
 my @dtls = qw(dtls1 dtls1_2);
 
 # Explicitly known options that are possible to disable.  They can
@@ -356,6 +363,7 @@ my @disablables = (
     "egd",
     "engine",
     "err",
+    "external-tests",
     "filenames",
     "fuzz-libfuzzer",
     "fuzz-afl",
@@ -394,6 +402,7 @@ my @disablables = (
     "ssl-trace",
     "static-engine",
     "stdio",
+    "tests",
     "threads",
     "tls",
     "ts",
@@ -425,6 +434,7 @@ our %disabled = ( # "what"         => "comment"
                  "crypto-mdebug-backtrace" => "default",
                  "ec_nistp_64_gcc_128" => "default",
                  "egd"                 => "default",
+                 "external-tests"      => "default",
                  "fuzz-libfuzzer"      => "default",
                  "fuzz-afl"            => "default",
                  "heartbeats"          => "default",
@@ -436,6 +446,8 @@ our %disabled = ( # "what"         => "comment"
                  "ssl3"                => "default",
                  "ssl3-method"         => "default",
                   "ubsan"              => "default",
+          #TODO(TLS1.3): Temporarily disabled while this is a WIP
+                 "tls1_3"              => "default",
                  "unit-test"           => "default",
                  "weak-ssl-ciphers"    => "default",
                  "zlib"                => "default",
@@ -472,7 +484,7 @@ my @disable_cascades = (
     sub { $disabled{rsa}
          && ($disabled{dsa} || $disabled{dh})
          && ($disabled{ecdsa} || $disabled{ecdh}); }
-                       => [ "tls1", "tls1_1", "tls1_2",
+                       => [ "tls1", "tls1_1", "tls1_2", "tls1_3",
                             "dtls1", "dtls1_2" ],
 
     "tls"              => [ @tls ],
@@ -541,8 +553,9 @@ $config{build_type} = "release";
 
 my %unsupported_options = ();
 my %deprecated_options = ();
-foreach (@argvcopy)
+while (@argvcopy)
        {
+       $_ = shift @argvcopy;
        # VMS is a case insensitive environment, and depending on settings
        # out of our control, we may receive options uppercased.  Let's
        # downcase at least the part before any equal sign.
@@ -729,6 +742,14 @@ foreach (@argvcopy)
                        {
                        $libs.=$_." ";
                        }
+               elsif (/^-rpath$/ or /^-R$/)
+                       # -rpath is the OSF1 rpath flag
+                       # -R is the old Solaris rpath flag
+                       {
+                       my $rpath = shift(@argvcopy) || "";
+                       $rpath .= " " if $rpath ne "";
+                       $libs.=$_." ".$rpath;
+                       }
                elsif (/^-static$/)
                        {
                        $libs.=$_." ";
@@ -886,7 +907,8 @@ foreach (sort (keys %disabled))
                $what = "ripemd" if $what eq "rmd160";
                $what = "whrlpool" if $what eq "whirlpool";
 
-               if (grep { $_ eq $what } @{$config{sdirs}})
+               if ($what ne "async" && $what ne "err"
+                   && grep { $_ eq $what } @{$config{sdirs}})
                        {
                        push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$WHAT";
                        @{$config{sdirs}} = grep { $_ ne $what} @{$config{sdirs}};
@@ -925,6 +947,7 @@ my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}});
 $config{conf_files} = [ sort keys %conf_files ];
 %target = ( %{$table{DEFAULTS}}, %target );
 
+$target{cxxflags}=$target{cflags} unless defined $target{cxxflags};
 $target{exe_extension}="";
 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
                                   || $config{target} =~ /^(?:Cygwin|mingw)/);
@@ -947,6 +970,7 @@ $config{perl} =    ($^O ne "VMS" ? $^X : "perl");
 $config{hashbangperl} =
     $ENV{'HASHBANGPERL'}           || $ENV{'PERL'}     || "/usr/bin/env perl";
 $target{cc} =      $ENV{'CC'}      || $target{cc}      || "cc";
+$target{cxx} =     $ENV{'CXX'}     || $target{cxx}     || "c++";
 $target{ranlib} =  $ENV{'RANLIB'}  || $target{ranlib}  ||
                    (which("$config{cross_compile_prefix}ranlib") ?
                           "\$(CROSS_COMPILE)ranlib" : "true");
@@ -960,6 +984,7 @@ $target{build_file} = $ENV{BUILDFILE} || $target{build_file} || "Makefile";
 
 # Cache information necessary for reconfiguration
 $config{cc} = $target{cc};
+$config{cxx} = $target{cxx};
 $config{build_file} = $target{build_file};
 
 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
@@ -967,6 +992,7 @@ $config{build_file} = $target{build_file};
 # Do it in such a way that no spurious space is appended (hence the grep).
 $config{defines} = [];
 $config{cflags} = "";
+$config{cxxflags} = "";
 $config{ex_libs} = "";
 $config{shared_ldflag} = "";
 
@@ -1085,7 +1111,7 @@ if ($disabled{"dynamic-engine"}) {
 }
 
 unless ($disabled{"fuzz-libfuzzer"}) {
-    $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls ";
+    $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls,8bit-counters ";
 }
 
 unless ($disabled{asan}) {
@@ -1181,6 +1207,9 @@ unless ($disabled{asm}) {
     if ($target{ec_asm_src} =~ /ecp_nistz256/) {
        push @{$config{defines}}, "ECP_NISTZ256_ASM";
     }
+    if ($target{padlock_asm_src} ne $table{DEFAULTS}->{padlock_asm_src}) {
+       push @{$config{defines}}, "PADLOCK_ASM";
+    }
     if ($target{poly1305_asm_src} ne "") {
        push @{$config{defines}}, "POLY1305_ASM";
     }
@@ -1406,6 +1435,10 @@ if ($builder eq "unified") {
         push @build_infos, [ catdir("engines", $_), "build.info" ]
             if (-f catfile($srcdir, "engines", $_, "build.info"));
     }
+    foreach (@{$config{tdirs}}) {
+        push @build_infos, [ catdir("test", $_), "build.info" ]
+            if (-f catfile($srcdir, "test", $_, "build.info"));
+    }
 
     $config{build_infos} = [ ];
 
@@ -1572,7 +1605,7 @@ if ($builder eq "unified") {
                             || $target_kind eq $target{build_file}."(".$builder_platform.")");
                 }
             },
-            qr/^(?:#.*|\s*)$/ => sub { },
+            qr/^\s*(?:#.*)?$/ => sub { },
             "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
             "BEFORE" => sub {
                 if ($buildinfo_debug) {
@@ -1745,9 +1778,11 @@ EOF
                 if (! -f $s) {
                     $s = cleanfile($buildd, $_, $blddir);
                 }
-                # We recognise C and asm files
-                if ($s =~ /\.[csS]\b$/) {
-                    (my $o = $_) =~ s/\.[csS]\b$/.o/;
+                # We recognise C++, C and asm files
+                if ($s =~ /\.(cc|cpp|c|s|S)$/) {
+                    my $o = $_;
+                    $o =~ s/\.[csS]$/.o/; # C and assembler
+                    $o =~ s/\.(cc|cpp)$/_cc.o/; # C++
                     $o = cleanfile($buildd, $o, $blddir);
                     $unified_info{sources}->{$ddest}->{$o} = 1;
                     $unified_info{sources}->{$o}->{$s} = 1;
@@ -1771,9 +1806,11 @@ EOF
                 if (! -f $s) {
                     $s = cleanfile($buildd, $_, $blddir);
                 }
-                # We recognise C and asm files
-                if ($s =~ /\.[csS]\b$/) {
-                    (my $o = $_) =~ s/\.[csS]\b$/.o/;
+                # We recognise C++, C and asm files
+                if ($s =~ /\.(cc|cpp|c|s|S)$/) {
+                    my $o = $_;
+                    $o =~ s/\.[csS]$/.o/; # C and assembler
+                    $o =~ s/\.(cc|cpp)$/_cc.o/; # C++
                     $o = cleanfile($buildd, $o, $blddir);
                     $unified_info{shared_sources}->{$ddest}->{$o} = 1;
                     $unified_info{sources}->{$o}->{$s} = 1;
@@ -1824,9 +1861,16 @@ EOF
                     $d = cleanfile($buildd, $_, $blddir);
                 }
                 # Take note if the file to depend on is being renamed
+                # Take extra care with files ending with .a, they should
+                # be treated without that extension, and the extension
+                # should be added back after treatment.
+                $d =~ /(\.a)?$/;
+                my $e = $1 // "";
+                $d = $`;
                 if ($unified_info{rename}->{$d}) {
                     $d = $unified_info{rename}->{$d};
                 }
+                $d .= $e;
                 $unified_info{depends}->{$ddest}->{$d} = 1;
                 # If we depend on a header file or a perl module, let's make
                 # sure it can get included
@@ -1896,7 +1940,9 @@ EOF
 foreach (grep /_(asm|aux)_src$/, keys %target) {
     my $src = $_;
     (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
-    ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
+    $target{$obj} = $target{$src};
+    $target{$obj} =~ s/\.[csS]\b/.o/g; # C and assembler
+    $target{$obj} =~ s/\.(cc|cpp)\b/_cc.o/g; # C++
 }
 
 # Write down our configuration where it fits #########################
@@ -2031,6 +2077,10 @@ print "PERLVERSION   =$Config{version} for $Config{archname}\n";
 print "HASHBANGPERL  =$config{hashbangperl}\n";
 print "CC            =$config{cross_compile_prefix}$target{cc}\n";
 print "CFLAG         =$target{cflags} $config{cflags}\n";
+print "CXX           =$config{cross_compile_prefix}$target{cxx}\n"
+    if defined $target{cxx};
+print "CXXFLAG       =$target{cxxflags} $config{cxxflags}\n"
+    if defined $target{cxx};
 print "DEFINES       =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
 #print "RANLIB        =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
 #                             "$config{cross_compile_prefix}ranlib" :