# see INSTALL for instructions.
+my $orig_death_handler = $SIG{__DIE__};
+$SIG{__DIE__} = \&death_handler;
+
my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [no-egd] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--config=FILE] os/compiler[:flags]\n";
# Options:
. " -Wswitch"
. " -Wsign-compare"
. " -Wmissing-prototypes"
+ . " -Wstrict-prototypes"
. " -Wshadow"
. " -Wformat"
. " -Wtype-limits"
"async",
"autoalginit",
"autoerrinit",
+ "autoload-config",
"bf",
"blake2",
"camellia",
"tests",
"threads",
"tls",
- "tls13downgrade",
"ts",
"ubsan",
"ui-console",
# All of the following are disabled by default:
our %disabled = ( # "what" => "comment"
- "asan" => "default",
+ "asan" => "default",
"crypto-mdebug" => "default",
"crypto-mdebug-backtrace" => "default",
"devcryptoeng" => "default",
"ssl3" => "default",
"ssl3-method" => "default",
"ubsan" => "default",
- "tls13downgrade" => "default",
"unit-test" => "default",
"weak-ssl-ciphers" => "default",
"zlib" => "default",
LDLIBS => [], # -l
MT => undef,
MTFLAGS => [],
+ PERL => env('PERL') || ($^O ne "VMS" ? $^X : "perl"),
RANLIB => env('RANLIB'),
RC => env('RC') || env('WINDRES'),
RCFLAGS => [],
{
read_config $1;
}
- elsif (/^-L(.*)$/)
- {
- push @{$useradd{LDFLAGS}}, $_;
- }
- elsif (/^-l(.*)$/ or /^-Wl,/)
+ elsif (/^-l(.*)$/)
{
push @{$useradd{LDLIBS}}, $_;
}
{
push @{$useradd{LDLIBS}}, $_, shift(@argvcopy);
}
+ elsif (/^-L(.*)$/ or /^-Wl,/)
+ {
+ push @{$useradd{LDFLAGS}}, $_;
+ }
elsif (/^-rpath$/ or /^-R$/)
# -rpath is the OSF1 rpath flag
# -R is the old Solaris rpath flag
else
{ $config{options} .= " ".$_; }
}
+ }
- if (defined($config{api}) && !exists $apitable->{$config{api}}) {
- die "***** Unsupported api compatibility level: $config{api}\n",
- }
+if (defined($config{api}) && !exists $apitable->{$config{api}}) {
+ die "***** Unsupported api compatibility level: $config{api}\n",
+}
- if (keys %deprecated_options)
- {
- warn "***** Deprecated options: ",
- join(", ", keys %deprecated_options), "\n";
- }
- if (keys %unsupported_options)
- {
- die "***** Unsupported options: ",
- join(", ", keys %unsupported_options), "\n";
- }
+if (keys %deprecated_options)
+ {
+ warn "***** Deprecated options: ",
+ join(", ", keys %deprecated_options), "\n";
+ }
+if (keys %unsupported_options)
+ {
+ die "***** Unsupported options: ",
+ join(", ", keys %unsupported_options), "\n";
}
# If any %useradd entry has been set, we must check that the "make
}
}
-if (grep { $_ =~ /(^|\s)-Wl,-rpath,/ } ($user{LDLIBS} ? @{$user{LDLIBS}} : ())
+if (grep { /-rpath\b/ } ($user{LDFLAGS} ? @{$user{LDFLAGS}} : ())
&& !$disabled{shared}
&& !($disabled{asan} && $disabled{msan} && $disabled{ubsan})) {
die "***** Cannot simultaneously use -rpath, shared libraries, and\n",
print "Using os-specific seed configuration\n";
push @seed_sources, 'os';
}
-die "Cannot seed with none and anything else"
- if scalar(grep { $_ eq 'none' } @seed_sources) > 0
- && scalar(@seed_sources) > 1;
+if (scalar(grep { $_ eq 'none' } @seed_sources) > 0) {
+ die "Cannot seed with none and anything else" if scalar(@seed_sources) > 1;
+ warn <<_____ if scalar(@seed_sources) == 1;
+
+============================== WARNING ===============================
+You have selected the --with-rand-seed=none option, which effectively
+disables automatic reseeding of the OpenSSL random generator.
+All operations depending on the random generator such as creating keys
+will not work unless the random generator is seeded manually by the
+application.
+
+Please read the 'Note on random number generation' section in the
+INSTALL instructions and the RAND_DRBG(7) manual page for more details.
+============================== WARNING ===============================
+
+_____
+}
push @{$config{openssl_other_defines}},
map { (my $x = $_) =~ tr|[\-a-z]|[_A-Z]|; "OPENSSL_RAND_SEED_$x" }
@seed_sources;
$target = $t;
}
}
+
+&usage if !$table{$target} || $table{$target}->{template};
+
$config{target} = $target;
my %target = resolve_config($target);
-&usage if (!%target || $target{template});
-
foreach (keys %target_attr_translate) {
$target{$target_attr_translate{$_}} = $target{$_}
if $target{$_};
$target{exe_extension}=".pm" if ($config{target} =~ /vos/);
($target{shared_extension_simple}=$target{shared_extension})
- =~ s|\.\$\(SHLIB_VERSION_NUMBER\)||;
-$target{dso_extension}=$target{shared_extension_simple};
+ =~ s|\.\$\(SHLIB_VERSION_NUMBER\)||
+ unless defined($target{shared_extension_simple});
+$target{dso_extension}//=$target{shared_extension_simple};
($target{shared_import_extension}=$target{shared_extension_simple}.".a")
if ($config{target} =~ /^(?:Cygwin|mingw)/);
-# Allow overriding the names of some tools. USE WITH CARE
-# Note: only Unix cares about HASHBANGPERL... that explains
-# the default string.
-$config{perl} = ($^O ne "VMS" ? $^X : "perl");
+# Fill %config with values from %user, and in case those are undefined or
+# empty, use values from %target (acting as a default).
foreach (keys %user) {
my $ref_type = ref $user{$_};
push @{$config{lib_defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
push @{$config{lib_defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
}
+ if ($target{keccak1600_asm_src} ne $table{DEFAULTS}->{keccak1600_asm_src}) {
+ push @{$config{lib_defines}}, "KECCAK1600_ASM";
+ }
if ($target{rc4_asm_src} ne $table{DEFAULTS}->{rc4_asm_src}) {
push @{$config{lib_defines}}, "RC4_ASM";
}
}
}
-my %predefined = compiler_predefined($config{CC});
+my %predefined = compiler_predefined($config{CROSS_COMPILE}.$config{CC});
# Check for makedepend capabilities.
if (!$disabled{makedepend}) {
# For VC- and vms- targets, there's nothing more to do here. The
# functionality is hard coded in the corresponding build files for
# cl (Windows) and CC/DECC (VMS).
- } elsif ($predefined{__GNUC__} >= 3) {
+ } elsif (($predefined{__GNUC__} // -1) >= 3
+ && !($predefined{__APPLE_CC__} && !$predefined{__clang__})) {
# We know that GNU C version 3 and up as well as all clang
- # versions support dependency generation
+ # versions support dependency generation, but Xcode did not
+ # handle $cc -M before clang support (but claims __GNUC__ = 3)
$config{makedepprog} = "\$(CROSS_COMPILE)$config{CC}";
} else {
# In all other cases, we look for 'makedepend', and disable the
}
}
+if (!$disabled{asm} && !$predefined{__MACH__} && $^O ne 'VMS') {
+ # probe for -Wa,--noexecstack option...
+ if ($predefined{__clang__}) {
+ # clang has builtin assembler, which doesn't recognize --help,
+ # but it apparently recognizes the option in question on all
+ # supported platforms even when it's meaningless. In other words
+ # probe would fail, but probed option always accepted...
+ push @{$config{cflags}}, "-Wa,--noexecstack", "-Qunused-arguments";
+ } else {
+ my $cc = $config{CROSS_COMPILE}.$config{CC};
+ open(PIPE, "$cc -Wa,--help -c -o null.$$.o -x assembler /dev/null 2>&1 |");
+ while(<PIPE>) {
+ if (m/--noexecstack/) {
+ push @{$config{cflags}}, "-Wa,--noexecstack";
+ last;
+ }
+ }
+ close(PIPE);
+ unlink("null.$$.o");
+ }
+}
# Deal with bn_ops ###################################################
push @{$config{defines}}, $apiflag;
}
-if (defined($predefined{__clang__}) && !$disabled{asm}) {
- push @{$config{cflags}}, "-Qunused-arguments";
- push @{$config{cxxflags}}, "-Qunused-arguments" if $config{CXX};
-}
-
if ($strict_warnings)
{
my $wopt;
if ($dump || $cmdline) {
print "\nCommand line (with current working directory = $here):\n\n";
print ' ',join(' ',
- $config{perl},
+ $config{PERL},
catfile($config{sourcedir}, 'Configure'),
@{$config{perlargv}}), "\n";
print "\nPerl information:\n\n";
$builders{$builder}->($builder_platform, @builder_opts);
+$SIG{__DIE__} = $orig_death_handler;
+
print <<"EOF" if ($disabled{threads} eq "unavailable");
The library could not be configured for supporting multi-threaded
**********************************************************************
*** ***
-*** If you want to report a building issue, please include the ***
-*** output from this command: ***
+*** OpenSSL has been successfully configured ***
+*** ***
+*** If you encounter a problem while building, please open an ***
+*** issue on GitHub <https://github.com/openssl/openssl/issues> ***
+*** and include the output from the following command: ***
*** ***
-*** perl configdata.pm --dump ***
+*** perl configdata.pm --dump ***
+*** ***
+*** (If you are new to OpenSSL, you might want to consult the ***
+*** 'Troubleshooting' section in the INSTALL file first) ***
*** ***
**********************************************************************
EOF
# Helpers and utility functions
#
+# Death handler, to print a helpful message in case of failure #######
+#
+sub death_handler {
+ die @_ if $^S; # To prevent the added message in eval blocks
+ my $build_file = $target{build_file} // "build file";
+ my @message = ( <<"_____", @_ );
+
+Failure! $build_file wasn't produced.
+Please read INSTALL and associated NOTES files. You may also have to look over
+your available compiler tool chain or change your configuration.
+
+_____
+
+ # Dying is terminal, so it's ok to reset the signal handler here.
+ $SIG{__DIE__} = $orig_death_handler;
+ die @message;
+}
+
# Configuration file reading #########################################
# Note: All of the helper functions are for lazy evaluation. They all
return sub { add($disabled{threads} ? () : @flags)->(); }
}
-
+sub shared {
+ my @flags = @_;
+ return sub { add($disabled{shared} ? () : @flags)->(); }
+}
our $add_called = 0;
# Helper function to implement adding values to already existing configuration
foreach (@templates) {
die "Can't open $_, $!" unless -f $_;
}
- my $perlcmd = (quotify("maybeshell", $config{perl}))[0];
+ my $perlcmd = (quotify("maybeshell", $config{PERL}))[0];
my $cmd = "$perlcmd \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
#print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
system($cmd);
sub compiler_predefined {
state %predefined;
- my $default_compiler = shift;
+ my $cc = shift;
return () if $^O eq 'VMS';
- die 'compiler_predefined called without a default compiler'
- unless $default_compiler;
+ die 'compiler_predefined called without a compiler command'
+ unless $cc;
- if (! $predefined{$default_compiler}) {
- my $cc = "$config{CROSS_COMPILE}$default_compiler";
+ if (! $predefined{$cc}) {
- $predefined{$default_compiler} = {};
+ $predefined{$cc} = {};
# collect compiler pre-defines from gcc or gcc-alike...
open(PIPE, "$cc -dM -E -x c /dev/null 2>&1 |");
while (my $l = <PIPE>) {
$l =~ m/^#define\s+(\w+(?:\(\w+\))?)(?:\s+(.+))?/ or last;
- $predefined{$default_compiler}->{$1} = $2 // '';
+ $predefined{$cc}->{$1} = $2 // '';
}
close(PIPE);
}
- return %{$predefined{$default_compiler}};
+ return %{$predefined{$cc}};
}
sub which