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@@ -24,7 +24,12 @@
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my $ndk = $ENV{ANDROID_NDK};
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die "\$ANDROID_NDK is not defined" if (!$ndk);
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die "\$ANDROID_NDK=$ndk is invalid" if (!-d "$ndk/platforms");
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if (!-d "$ndk/platforms" && !-f "$ndk/AndroidVersion.txt") {
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# $ndk/platforms is traditional "all-inclusive" NDK, while
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# $ndk/AndroidVersion.txt is so-called standalone toolchain
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# tailored for specific target down to API level.
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die "\$ANDROID_NDK=$ndk is invalid";
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}
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$ndk = canonpath($ndk);
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my $ndkver = undef;
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@@ -40,10 +45,18 @@
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close $fh;
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}
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my $sysroot;
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my ($sysroot, $api, $arch);
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if (!($sysroot = $ENV{CROSS_SYSROOT})) {
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my $api = "*";
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$config{target} =~ m|[^-]+-([^-]+)$|; # split on dash
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$arch = $1;
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if ($sysroot = $ENV{CROSS_SYSROOT}) {
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$sysroot =~ m|/android-([0-9]+)/arch-(\w+)/?$|;
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($api, $arch) = ($1, $2);
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} elsif (-f "$ndk/AndroidVersion.txt") {
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$sysroot = "$ndk/sysroot";
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} else {
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$api = "*";
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# see if user passed -D__ANDROID_API__=N
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foreach (@{$useradd{CPPDEFINES}}, @{$user{CPPFLAGS}}) {
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@@ -59,19 +72,17 @@
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} glob("$ndk/platforms/android-$api");
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die "no $ndk/platforms/android-$api" if ($#platforms < 0);
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$config{target} =~ m|[^-]+-([^-]+)$|; # split on dash
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$sysroot = "@platforms[$#platforms]/arch-$1";
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$sysroot = "@platforms[$#platforms]/arch-$arch";
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$sysroot =~ m|/android-([0-9]+)/arch-$arch|;
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$api = $1;
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}
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die "no sysroot=$sysroot" if (!-d $sysroot);
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$sysroot =~ m|/android-([0-9]+)/arch-(\w+)/?$|;
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my ($api, $arch) = ($1, $2);
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my $triarch = $triplet{$arch};
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my $cflags;
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my $cppflags;
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# see if there is NDK clang on $PATH
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# see if there is NDK clang on $PATH, "universal" or "standalone"
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if (which("clang") =~ m|^$ndk/.*/prebuilt/([^/]+)/|) {
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my $host=$1;
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# harmonize with gcc default
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@@ -83,6 +94,23 @@
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. "/$tritools-4.9/prebuilt/$host";
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$user{CC} = "clang" if ($user{CC} !~ m|clang|);
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$user{CROSS_COMPILE} = undef;
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if (which("llvm-ar") =~ m|^$ndk/.*/prebuilt/([^/]+)/|) {
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$user{AR} = "llvm-ar";
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$user{ARFLAGS} = [ "rs" ];
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$user{RANLIB} = ":";
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}
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} elsif (-f "$ndk/AndroidVersion.txt") { #"standalone toolchain"
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my $cc = $user{CC} // "clang";
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# One can probably argue that both clang and gcc should be
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# probed, but support for "standalone toolchain" was added
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# *after* announcement that gcc is being phased out, so
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# favouring clang is considered adequate. Those who insist
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# have option to enforce test for gcc with CC=gcc.
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if (which("$triarch-$cc") !~ m|^$ndk|) {
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die "no NDK $triarch-$cc on \$PATH";
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}
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$user{CC} = $cc;
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$user{CROSS_COMPILE} = "$triarch-";
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} elsif ($user{CC} eq "clang") {
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die "no NDK clang on \$PATH";
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} else {
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