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Diffstat (limited to 'deps/openssl/openssl/Configurations/15-android.conf')
| -rw-r--r-- | deps/openssl/openssl/Configurations/15-android.conf | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/deps/openssl/openssl/Configurations/15-android.conf b/deps/openssl/openssl/Configurations/15-android.conf new file mode 100644 index 0000000000..10342ed5e3 --- /dev/null +++ b/deps/openssl/openssl/Configurations/15-android.conf @@ -0,0 +1,255 @@ +#### Android... +# +# See NOTES.ANDROID for details, and don't miss platform-specific +# comments below... + +{ + use File::Spec::Functions; + + my $android_ndk = {}; + my %triplet = ( + arm => "arm-linux-androideabi", + arm64 => "aarch64-linux-android", + mips => "mipsel-linux-android", + mips64 => "mips64el-linux-android", + x86 => "i686-linux-android", + x86_64 => "x86_64-linux-android", + ); + + sub android_ndk { + unless (%$android_ndk) { + if ($now_printing =~ m|^android|) { + return $android_ndk = { bn_ops => "BN_AUTO" }; + } + + my $ndk = $ENV{ANDROID_NDK}; + die "\$ANDROID_NDK is not defined" if (!$ndk); + if (!-d "$ndk/platforms" && !-f "$ndk/AndroidVersion.txt") { + # $ndk/platforms is traditional "all-inclusive" NDK, while + # $ndk/AndroidVersion.txt is so-called standalone toolchain + # tailored for specific target down to API level. + die "\$ANDROID_NDK=$ndk is invalid"; + } + $ndk = canonpath($ndk); + + my $ndkver = undef; + + if (open my $fh, "<$ndk/source.properties") { + local $_; + while(<$fh>) { + if (m|Pkg\.Revision\s*=\s*([0-9]+)|) { + $ndkver = $1; + last; + } + } + close $fh; + } + + my ($sysroot, $api, $arch); + + $config{target} =~ m|[^-]+-([^-]+)$|; # split on dash + $arch = $1; + + if ($sysroot = $ENV{CROSS_SYSROOT}) { + $sysroot =~ m|/android-([0-9]+)/arch-(\w+)/?$|; + ($api, $arch) = ($1, $2); + } elsif (-f "$ndk/AndroidVersion.txt") { + $sysroot = "$ndk/sysroot"; + } else { + $api = "*"; + + # see if user passed -D__ANDROID_API__=N + foreach (@{$useradd{CPPDEFINES}}, @{$user{CPPFLAGS}}) { + if (m|__ANDROID_API__=([0-9]+)|) { + $api = $1; + last; + } + } + + # list available platforms (numerically) + my @platforms = sort { $a =~ m/-([0-9]+)$/; my $aa = $1; + $b =~ m/-([0-9]+)$/; $aa <=> $1; + } glob("$ndk/platforms/android-$api"); + die "no $ndk/platforms/android-$api" if ($#platforms < 0); + + $sysroot = "@platforms[$#platforms]/arch-$arch"; + $sysroot =~ m|/android-([0-9]+)/arch-$arch|; + $api = $1; + } + die "no sysroot=$sysroot" if (!-d $sysroot); + + my $triarch = $triplet{$arch}; + my $cflags; + my $cppflags; + + # see if there is NDK clang on $PATH, "universal" or "standalone" + if (which("clang") =~ m|^$ndk/.*/prebuilt/([^/]+)/|) { + my $host=$1; + # harmonize with gcc default + my $arm = $ndkver > 16 ? "armv7a" : "armv5te"; + (my $tridefault = $triarch) =~ s/^arm-/$arm-/; + (my $tritools = $triarch) =~ s/(?:x|i6)86(_64)?-.*/x86$1/; + $cflags .= " -target $tridefault " + . "-gcc-toolchain \$(ANDROID_NDK)/toolchains" + . "/$tritools-4.9/prebuilt/$host"; + $user{CC} = "clang" if ($user{CC} !~ m|clang|); + $user{CROSS_COMPILE} = undef; + if (which("llvm-ar") =~ m|^$ndk/.*/prebuilt/([^/]+)/|) { + $user{AR} = "llvm-ar"; + $user{ARFLAGS} = [ "rs" ]; + $user{RANLIB} = ":"; + } + } elsif (-f "$ndk/AndroidVersion.txt") { #"standalone toolchain" + my $cc = $user{CC} // "clang"; + # One can probably argue that both clang and gcc should be + # probed, but support for "standalone toolchain" was added + # *after* announcement that gcc is being phased out, so + # favouring clang is considered adequate. Those who insist + # have option to enforce test for gcc with CC=gcc. + if (which("$triarch-$cc") !~ m|^$ndk|) { + die "no NDK $triarch-$cc on \$PATH"; + } + $user{CC} = $cc; + $user{CROSS_COMPILE} = "$triarch-"; + } elsif ($user{CC} eq "clang") { + die "no NDK clang on \$PATH"; + } else { + if (which("$triarch-gcc") !~ m|^$ndk/.*/prebuilt/([^/]+)/|) { + die "no NDK $triarch-gcc on \$PATH"; + } + $cflags .= " -mandroid"; + $user{CROSS_COMPILE} = "$triarch-"; + } + + if (!-d "$sysroot/usr/include") { + my $incroot = "$ndk/sysroot/usr/include"; + die "no $incroot" if (!-d $incroot); + die "no $incroot/$triarch" if (!-d "$incroot/$triarch"); + $incroot =~ s|^$ndk/||; + $cppflags = "-D__ANDROID_API__=$api"; + $cppflags .= " -isystem \$(ANDROID_NDK)/$incroot/$triarch"; + $cppflags .= " -isystem \$(ANDROID_NDK)/$incroot"; + } + + $sysroot =~ s|^$ndk/||; + $android_ndk = { + cflags => "$cflags --sysroot=\$(ANDROID_NDK)/$sysroot", + cppflags => $cppflags, + bn_ops => $arch =~ m/64$/ ? "SIXTY_FOUR_BIT_LONG" + : "BN_LLONG", + }; + } + + return $android_ndk; + } +} + +my %targets = ( + "android" => { + inherit_from => [ "linux-generic32" ], + template => 1, + ################################################################ + # Special note about -pie. The underlying reason is that + # Lollipop refuses to run non-PIE. But what about older systems + # and NDKs? -fPIC was never problem, so the only concern is -pie. + # Older toolchains, e.g. r4, appear to handle it and binaries + # turn out mostly functional. "Mostly" means that oldest + # Androids, such as Froyo, fail to handle executable, but newer + # systems are perfectly capable of executing binaries targeting + # Froyo. Keep in mind that in the nutshell Android builds are + # about JNI, i.e. shared libraries, not applications. + cflags => add(sub { android_ndk()->{cflags} }), + cppflags => add(sub { android_ndk()->{cppflags} }), + cxxflags => add(sub { android_ndk()->{cflags} }), + bn_ops => sub { android_ndk()->{bn_ops} }, + bin_cflags => "-pie", + enable => [ ], + }, + "android-arm" => { + ################################################################ + # Contemporary Android applications can provide multiple JNI + # providers in .apk, targeting multiple architectures. Among + # them there is "place" for two ARM flavours: generic eabi and + # armv7-a/hard-float. However, it should be noted that OpenSSL's + # ability to engage NEON is not constrained by ABI choice, nor + # is your ability to call OpenSSL from your application code + # compiled with floating-point ABI other than default 'soft'. + # (Latter thanks to __attribute__((pcs("aapcs"))) declaration.) + # This means that choice of ARM libraries you provide in .apk + # is driven by application needs. For example if application + # itself benefits from NEON or is floating-point intensive, then + # it might be appropriate to provide both libraries. Otherwise + # just generic eabi would do. But in latter case it would be + # appropriate to + # + # ./Configure android-arm -D__ARM_MAX_ARCH__=8 + # + # in order to build "universal" binary and allow OpenSSL take + # advantage of NEON when it's available. + # + # Keep in mind that (just like with linux-armv4) we rely on + # compiler defaults, which is not necessarily what you had + # in mind, in which case you would have to pass additional + # -march and/or -mfloat-abi flags. NDK defaults to armv5te. + # Newer NDK versions reportedly require additional -latomic. + # + inherit_from => [ "android", asm("armv4_asm") ], + bn_ops => add("RC4_CHAR"), + }, + "android-arm64" => { + inherit_from => [ "android", asm("aarch64_asm") ], + bn_ops => add("RC4_CHAR"), + perlasm_scheme => "linux64", + }, + + "android-mips" => { + inherit_from => [ "android", asm("mips32_asm") ], + bn_ops => add("RC4_CHAR"), + perlasm_scheme => "o32", + }, + "android-mips64" => { + ################################################################ + # You are more than likely have to specify target processor + # on ./Configure command line. Trouble is that toolchain's + # default is MIPS64r6 (at least in r10d), but there are no + # such processors around (or they are too rare to spot one). + # Actual problem is that MIPS64r6 is binary incompatible + # with previous MIPS ISA versions, in sense that unlike + # prior versions original MIPS binary code will fail. + # + inherit_from => [ "android", asm("mips64_asm") ], + bn_ops => add("RC4_CHAR"), + perlasm_scheme => "64", + }, + + "android-x86" => { + inherit_from => [ "android", asm("x86_asm") ], + CFLAGS => add(picker(release => "-fomit-frame-pointer")), + bn_ops => add("RC4_INT"), + perlasm_scheme => "android", + }, + "android-x86_64" => { + inherit_from => [ "android", asm("x86_64_asm") ], + bn_ops => add("RC4_INT"), + perlasm_scheme => "elf", + }, + + #################################################################### + # Backward compatible targets, (might) requre $CROSS_SYSROOT + # + "android-armeabi" => { + inherit_from => [ "android-arm" ], + }, + "android64" => { + inherit_from => [ "android" ], + }, + "android64-aarch64" => { + inherit_from => [ "android-arm64" ], + }, + "android64-x86_64" => { + inherit_from => [ "android-x86_64" ], + }, + "android64-mips64" => { + inherit_from => [ "android-mips64" ], + }, +); |