#### Android...
#
-# See NOTES.ANDROID for details. But don't miss platform-specific
+# See NOTES.ANDROID for details, and don't miss platform-specific
# comments below...
{
+ use File::Spec::Functions;
+
my $android_ndk = {};
my %triplet = (
arm => "arm-linux-androideabi",
sub android_ndk {
unless (%$android_ndk) {
- my $ndk = $ENV{ANDROID_NDK};
- die "\$ANDROID_NDK is not defined" if (!$ndk);
- die "\$ANDROID_NDK=$ndk is invalid" if (!-d "$ndk/platforms");
+ if ($now_printing =~ m|^android|) {
+ return $android_ndk = { bn_ops => "BN_AUTO" };
+ }
+
+ my $ndk_var;
+ my $ndk;
+ foreach (qw(ANDROID_NDK_HOME ANDROID_NDK)) {
+ $ndk_var = $_;
+ $ndk = $ENV{$ndk_var};
+ last if defined $ndk;
+ }
+ die "\$ANDROID_NDK_HOME is not defined" if (!$ndk);
+ if (!-d "$ndk/platforms" && !-f "$ndk/AndroidVersion.txt") {
+ # $ndk/platforms is traditional "all-inclusive" NDK, while
+ # $ndk/AndroidVersion.txt is so-called standalone toolchain
+ # tailored for specific target down to API level.
+ die "\$ANDROID_NDK_HOME=$ndk is invalid";
+ }
+ $ndk = canonpath($ndk);
- my $sysroot;
+ 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 $fh;
+ }
- if (!($sysroot = $ENV{CROSS_SYSROOT})) {
- my $api = "*";
+ my ($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}}) {
+ foreach (@{$useradd{CPPDEFINES}}, @{$user{CPPFLAGS}}) {
if (m|__ANDROID_API__=([0-9]+)|) {
$api = $1;
last;
} glob("$ndk/platforms/android-$api");
die "no $ndk/platforms/android-$api" if ($#platforms < 0);
- $config{target} =~ m|[^-]+-([^-]+)$|; # split on dash
- $sysroot = "@platforms[$#platforms]/arch-$1";
+ $sysroot = "@platforms[$#platforms]/arch-$arch";
+ $sysroot =~ m|/android-([0-9]+)/arch-$arch|;
+ $api = $1;
}
die "no sysroot=$sysroot" if (!-d $sysroot);
- $sysroot =~ m|/android-([0-9]+)/arch-(\w+)/?$|;
- my ($api, $arch) = ($1, $2);
-
my $triarch = $triplet{$arch};
- my $cflags = "-Wa,--noexecstack";
+ my $cflags;
my $cppflags;
- # see if user passed CC=clang
- if ($user{CC} eq "clang") {
- if (which("clang") !~ m|^$ndk/.*/prebuilt/([^/]+)/|) {
- die "no NDK clang on \$PATH";
- }
+ # 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 $tridefault = $triarch) =~ s/^arm-/armv5te-/;
+ my $arm = $ndkver > 16 ? "armv7a" : "armv5te";
+ (my $tridefault = $triarch) =~ s/^arm-/$arm-/;
(my $tritools = $triarch) =~ s/(?:x|i6)86(_64)?-.*/x86$1/;
$cflags .= " -target $tridefault "
- . "-gcc-toolchain \$(ANDROID_NDK)/toolchains"
+ . "-gcc-toolchain \$($ndk_var)/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-";
}
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";
+ $cppflags .= " -isystem \$($ndk_var)/$incroot/$triarch";
+ $cppflags .= " -isystem \$($ndk_var)/$incroot";
}
$sysroot =~ s|^$ndk/||;
$android_ndk = {
- cflags => "$cflags --sysroot=\$(ANDROID_NDK)/$sysroot",
+ cflags => "$cflags --sysroot=\$($ndk_var)/$sysroot",
cppflags => $cppflags,
bn_ops => $arch =~ m/64$/ ? "SIXTY_FOUR_BIT_LONG"
: "BN_LLONG",
cxxflags => add(sub { android_ndk()->{cflags} }),
bn_ops => sub { android_ndk()->{bn_ops} },
bin_cflags => "-pie",
+ enable => [ ],
},
"android-arm" => {
################################################################
# 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.
- # Some NDK versions reportedly require additional -latomic.
+ # Newer NDK versions reportedly require additional -latomic.
#
inherit_from => [ "android", asm("armv4_asm") ],
bn_ops => add("RC4_CHAR"),
projects / openssl.git / blobdiff