Tweaks and add a Dockerfile for Android (#8036)

Cargo.lock

@@ -1747,7 +1747,7 @@ name = "multihash"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ring 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.12.1 (git+https://github.com/paritytech/ring)",
  "tiny-keccak 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2335,7 +2335,7 @@ dependencies = [
  "ordered-float 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.12.1 (git+https://github.com/paritytech/ring)",
  "rlp 0.2.1",
  "serde 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2633,6 +2633,15 @@ dependencies = [
  "rayon-core 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rayon"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "either 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon-core 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rayon"
 version = "1.0.1"
@@ -2698,12 +2707,13 @@ dependencies = [
 [[package]]
 name = "ring"
 version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
+source = "git+https://github.com/paritytech/ring#13eec16273e5e8fbbb21def81eaeb11972f4f903"
 dependencies = [
- "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempfile 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2837,7 +2847,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.12.1 (git+https://github.com/paritytech/ring)",
  "sct 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "webpki 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2863,7 +2873,7 @@ name = "sct"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ring 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.12.1 (git+https://github.com/paritytech/ring)",
  "untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3108,6 +3118,18 @@ dependencies = [
  "rand 0.3.20 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "tempfile"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "term"
 version = "0.4.6"
@@ -3604,12 +3626,12 @@ dependencies = [
  "parity-wasm 0.27.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "pwasm-utils 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "vm 0.1.0",
- "wasmi 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasmi 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasmi"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3622,7 +3644,7 @@ name = "webpki"
 version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ring 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.12.1 (git+https://github.com/paritytech/ring)",
  "untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3897,13 +3919,14 @@ dependencies = [
 "checksum rand 0.3.20 (registry+https://github.com/rust-lang/crates.io-index)" = "512870020642bb8c221bf68baa1b2573da814f6ccfe5c9699b1c303047abe9b1"
 "checksum rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eba5f8cb59cc50ed56be8880a5c7b496bfd9bd26394e176bc67884094145c2c5"
 "checksum rayon 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b614fe08b6665cb9a231d07ac1364b0ef3cb3698f1239ee0c4c3a88a524f54c8"
+"checksum rayon 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ed02d09394c94ffbdfdc755ad62a132e94c3224a8354e78a1200ced34df12edf"
 "checksum rayon 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "80e811e76f1dbf68abf87a759083d34600017fc4e10b6bd5ad84a700f9dba4b1"
 "checksum rayon-core 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d24ad214285a7729b174ed6d3bcfcb80177807f959d95fafd5bfc5c4f201ac8"
 "checksum redox_syscall 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)" = "8dde11f18c108289bef24469638a04dce49da56084f2d50618b226e47eb04509"
 "checksum regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "744554e01ccbd98fff8c457c3b092cd67af62a555a43bfe97ae8a0451f7799fa"
 "checksum regex-syntax 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ad890a5eef7953f55427c50575c680c42841653abd2b028b68cd223d157f62db"
 "checksum relay 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1576e382688d7e9deecea24417e350d3062d97e32e45d70b1cde65994ff1489a"
-"checksum ring 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6f7d28b30a72c01b458428e0ae988d4149c20d902346902be881e3edc4bb325c"
+"checksum ring 0.12.1 (git+https://github.com/paritytech/ring)" = "<none>"
 "checksum rocksdb 0.4.5 (git+https://github.com/paritytech/rust-rocksdb)" = "<none>"
 "checksum rocksdb-sys 0.3.0 (git+https://github.com/paritytech/rust-rocksdb)" = "<none>"
 "checksum rotor 0.6.3 (git+https://github.com/tailhook/rotor)" = "<none>"
@@ -3950,6 +3973,7 @@ dependencies = [
 "checksum take 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b157868d8ac1f56b64604539990685fa7611d8fa9e5476cf0c02cf34d32917c5"
 "checksum target_info 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c63f48baada5c52e65a29eef93ab4f8982681b67f9e8d29c7b05abcfec2b9ffe"
 "checksum tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "87974a6f5c1dfb344d733055601650059a3363de2a6104819293baff662132d6"
+"checksum tempfile 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "11ce2fe9db64b842314052e2421ac61a73ce41b898dc8e3750398b219c5fc1e0"
 "checksum term 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "fa63644f74ce96fbeb9b794f66aff2a52d601cbd5e80f4b97123e3899f4570f1"
 "checksum term_size 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9e5b9a66db815dcfd2da92db471106457082577c3c278d4138ab3e3b4e189327"
 "checksum textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0b59b6b4b44d867f1370ef1bd91bfb262bf07bf0ae65c202ea2fbc16153b693"
@@ -3996,7 +4020,7 @@ dependencies = [
 "checksum vergen 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c3365f36c57e5df714a34be40902b27a992eeddb9996eca52d0584611cf885d"
 "checksum version_check 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6b772017e347561807c1aa192438c5fd74242a670a6cffacc40f2defd1dc069d"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-"checksum wasmi 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0dedfb4cbfba1e1921b12ed05762d9d5ae99ce40e72b98bbf271561ef487e8c7"
+"checksum wasmi 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "26b20dbeb7caee04597a5d2c93e2b3e64872c6ea2af732d7ad49dbec44067c35"
 "checksum webpki 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9e1622384bcb5458c6a3e3fa572f53ea8fef1cc85e535a2983dea87e9154fac2"
 "checksum webpki-roots 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "155d4060e5befdf3a6076bd28c22513473d9900b763c9e4521acc6f78a75415c"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"

Cargo.toml

@@ -133,3 +133,6 @@ members = [
 	"transaction-pool",
 	"whisper"
 ]
+
+[patch.crates-io]
+ring = { git = "https://github.com/paritytech/ring" }

docker/android/Dockerfile

@@ -0,0 +1,77 @@
+FROM ubuntu:xenial
+LABEL maintainer="Parity Technologies <devops@parity.io>"
+
+RUN apt-get update && \
+    apt-get install -yq sudo curl file build-essential wget git g++ cmake pkg-config bison flex \
+                        unzip lib32stdc++6 lib32z1 python autotools-dev automake autoconf libtool \
+                        gperf xsltproc docbook-xsl
+
+# Rust & Cargo
+RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
+ENV PATH /root/.cargo/bin:$PATH
+RUN rustup toolchain install stable
+RUN rustup target add --toolchain stable arm-linux-androideabi
+RUN rustup target add --toolchain stable armv7-linux-androideabi
+
+# Android NDK and toolchain
+RUN cd /usr/local && \
+    wget -q https://dl.google.com/android/repository/android-ndk-r16b-linux-x86_64.zip && \
+    unzip -q android-ndk-r16b-linux-x86_64.zip && \
+    rm android-ndk-r16b-linux-x86_64.zip
+ENV NDK_HOME /usr/local/android-ndk-r16b
+RUN /usr/local/android-ndk-r16b/build/tools/make-standalone-toolchain.sh \
+    --arch=arm --install-dir=/opt/ndk-standalone --stl=libc++ --platform=android-26
+ENV PATH $PATH:/opt/ndk-standalone/bin
+
+# Compiling OpenSSL for Android
+RUN cd /root && \
+    git clone git://git.openssl.org/openssl.git && \
+    cd openssl && \
+    git checkout OpenSSL_1_1_0-stable
+ENV CROSS_SYSROOT /opt/ndk-standalone/sysroot
+RUN cd /root/openssl && \
+    ./Configure android-armeabi --cross-compile-prefix=arm-linux-androideabi- \
+    -static no-stdio no-ui \
+    -I/usr/local/android-ndk-r16b/sysroot/usr/include \
+    -I/usr/local/android-ndk-r16b/sysroot/usr/include/arm-linux-androideabi \
+    -L/usr/local/android-ndk-r16b/sysroot/usr/lib \
+    --prefix=/opt/ndk-standalone/sysroot/usr
+RUN cd /root/openssl && \
+    make build_libs && \
+    make install_dev
+RUN rm -rf /root/openssl
+
+# Compiling libudev for Android
+# This is the most hacky part of the process, as we need to apply a patch and pass specific
+# options that the compiler environment doesn't define.
+RUN cd /root && \
+    git clone https://github.com/gentoo/eudev.git
+ADD libudev.patch /root
+RUN cd /root/eudev && \
+    git checkout 83d918449f22720d84a341a05e24b6d109e6d3ae && \
+    ./autogen.sh && \
+    ./configure --disable-introspection --disable-programs --disable-hwdb \
+                --host=arm-linux-androideabi --prefix=/opt/ndk-standalone/sysroot/usr/ \
+                --enable-shared=false CC=arm-linux-androideabi-clang \
+                CFLAGS="-D LINE_MAX=2048 -D RLIMIT_NLIMITS=15 -D IPTOS_LOWCOST=2 -std=gnu99" \
+                CXX=arm-linux-androideabi-clang++ && \
+    git apply - < /root/libudev.patch && \
+    make && \
+    make install
+RUN rm -rf /root/eudev
+RUN rm /root/libudev.patch
+
+# Rust-related configuration
+ADD cargo-config.toml /root/.cargo/config
+ENV ARM_LINUX_ANDROIDEABI_OPENSSL_DIR /opt/ndk-standalone/sysroot/usr
+ENV ARMV7_LINUX_ANDROIDEABI_OPENSSL_DIR /opt/ndk-standalone/sysroot/usr
+ENV CC_arm_linux_androideabi arm-linux-androideabi-clang
+ENV CC_armv7_linux_androideabi arm-linux-androideabi-clang
+ENV CXX_arm_linux_androideabi arm-linux-androideabi-clang++
+ENV CXX_armv7_linux_androideabi arm-linux-androideabi-clang++
+ENV AR_arm_linux_androideabi arm-linux-androideabi-ar
+ENV AR_armv7_linux_androideabi arm-linux-androideabi-ar
+ENV CFLAGS_arm_linux_androideabi -std=gnu11 -fPIC -D OS_ANDROID
+ENV CFLAGS_armv7_linux_androideabi -std=gnu11 -fPIC -D OS_ANDROID
+ENV CXXFLAGS_arm_linux_androideabi -std=gnu++11 -fPIC -fexceptions -frtti -static-libstdc++ -D OS_ANDROID
+ENV CXXFLAGS_armv7_linux_androideabi -std=gnu++11 -fPIC -fexceptions -frtti -static-libstdc++ -D OS_ANDROID

docker/android/cargo-config.toml

@@ -0,0 +1,9 @@
+[target.armv7-linux-androideabi]
+linker = "arm-linux-androideabi-clang"
+ar = "arm-linux-androideabi-ar"
+rustflags = ["-C", "link-arg=-lc++_static", "-C", "link-arg=-lc++abi", "-C", "link-arg=-landroid_support"]
+
+[target.arm-linux-androideabi]
+linker = "arm-linux-androideabi-clang"
+ar = "arm-linux-androideabi-ar"
+rustflags = ["-C", "link-arg=-lc++_static", "-C", "link-arg=-lc++abi", "-C", "link-arg=-landroid_support"]

docker/android/libudev.patch

@@ -0,0 +1,216 @@
+diff --git a/src/collect/collect.c b/src/collect/collect.c
+index 2cf1f00..b24f26b 100644
+--- a/src/collect/collect.c
++++ b/src/collect/collect.c
+@@ -84,7 +84,7 @@ static void usage(void)
+                "  invoked for each ID in <idlist>) collect returns 0, the\n"
+                "  number of missing IDs otherwise.\n"
+                "  On error a negative number is returned.\n\n"
+-               , program_invocation_short_name);
++               , "parity");
+ }
+ 
+ /*
+diff --git a/src/scsi_id/scsi_id.c b/src/scsi_id/scsi_id.c
+index 8b76d87..7bf3948 100644
+--- a/src/scsi_id/scsi_id.c
++++ b/src/scsi_id/scsi_id.c
+@@ -321,7 +321,7 @@ static void help(void) {
+                "  -u --replace-whitespace          Replace all whitespace by underscores\n"
+                "  -v --verbose                     Verbose logging\n"
+                "  -x --export                      Print values as environment keys\n"
+-               , program_invocation_short_name);
++               , "parity");
+ 
+ }
+ 
+diff --git a/src/shared/hashmap.h b/src/shared/hashmap.h
+index a03ee58..a7c2005 100644
+--- a/src/shared/hashmap.h
++++ b/src/shared/hashmap.h
+@@ -98,10 +98,7 @@ extern const struct hash_ops uint64_hash_ops;
+ #if SIZEOF_DEV_T != 8
+ unsigned long devt_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]) _pure_;
+ int devt_compare_func(const void *a, const void *b) _pure_;
+-extern const struct hash_ops devt_hash_ops = {
+-        .hash = devt_hash_func,
+-        .compare = devt_compare_func
+-};
++extern const struct hash_ops devt_hash_ops;
+ #else
+ #define devt_hash_func uint64_hash_func
+ #define devt_compare_func uint64_compare_func
+diff --git a/src/shared/log.c b/src/shared/log.c
+index 4a40996..1496984 100644
+--- a/src/shared/log.c
++++ b/src/shared/log.c
+@@ -335,7 +335,7 @@ static int write_to_syslog(
+ 
+         IOVEC_SET_STRING(iovec[0], header_priority);
+         IOVEC_SET_STRING(iovec[1], header_time);
+-        IOVEC_SET_STRING(iovec[2], program_invocation_short_name);
++        IOVEC_SET_STRING(iovec[2], "parity");
+         IOVEC_SET_STRING(iovec[3], header_pid);
+         IOVEC_SET_STRING(iovec[4], buffer);
+ 
+@@ -383,7 +383,7 @@ static int write_to_kmsg(
+         char_array_0(header_pid);
+ 
+         IOVEC_SET_STRING(iovec[0], header_priority);
+-        IOVEC_SET_STRING(iovec[1], program_invocation_short_name);
++        IOVEC_SET_STRING(iovec[1], "parity");
+         IOVEC_SET_STRING(iovec[2], header_pid);
+         IOVEC_SET_STRING(iovec[3], buffer);
+         IOVEC_SET_STRING(iovec[4], "\n");
+diff --git a/src/udev/udevadm-control.c b/src/udev/udevadm-control.c
+index 6af7163..3271e56 100644
+--- a/src/udev/udevadm-control.c
++++ b/src/udev/udevadm-control.c
+@@ -41,7 +41,7 @@ static void print_help(void) {
+                "  -p --property=KEY=VALUE  Set a global property for all events\n"
+                "  -m --children-max=N      Maximum number of children\n"
+                "     --timeout=SECONDS     Maximum time to block for a reply\n"
+-               , program_invocation_short_name);
++               , "parity");
+ }
+ 
+ static int adm_control(struct udev *udev, int argc, char *argv[]) {
+diff --git a/src/udev/udevadm-info.c b/src/udev/udevadm-info.c
+index 0aec976..a31ac02 100644
+--- a/src/udev/udevadm-info.c
++++ b/src/udev/udevadm-info.c
+@@ -279,7 +279,7 @@ static void help(void) {
+                "  -P --export-prefix          Export the key name with a prefix\n"
+                "  -e --export-db              Export the content of the udev database\n"
+                "  -c --cleanup-db             Clean up the udev database\n"
+-               , program_invocation_short_name);
++               , "parity");
+ }
+ 
+ static int uinfo(struct udev *udev, int argc, char *argv[]) {
+diff --git a/src/udev/udevadm-monitor.c b/src/udev/udevadm-monitor.c
+index 15ded09..b58dd08 100644
+--- a/src/udev/udevadm-monitor.c
++++ b/src/udev/udevadm-monitor.c
+@@ -73,7 +73,7 @@ static void help(void) {
+                "  -u --udev                                Print udev events\n"
+                "  -s --subsystem-match=SUBSYSTEM[/DEVTYPE] Filter events by subsystem\n"
+                "  -t --tag-match=TAG                       Filter events by tag\n"
+-               , program_invocation_short_name);
++               , "parity");
+ }
+ 
+ static int adm_monitor(struct udev *udev, int argc, char *argv[]) {
+diff --git a/src/udev/udevadm-settle.c b/src/udev/udevadm-settle.c
+index 33597bc..b36a504 100644
+--- a/src/udev/udevadm-settle.c
++++ b/src/udev/udevadm-settle.c
+@@ -43,7 +43,7 @@ static void help(void) {
+                "     --version              Show package version\n"
+                "  -t --timeout=SECONDS      Maximum time to wait for events\n"
+                "  -E --exit-if-exists=FILE  Stop waiting if file exists\n"
+-               , program_invocation_short_name);
++               , "parity");
+ }
+ 
+ static int adm_settle(struct udev *udev, int argc, char *argv[]) {
+diff --git a/src/udev/udevadm-test-builtin.c b/src/udev/udevadm-test-builtin.c
+index baaeca9..50ed812 100644
+--- a/src/udev/udevadm-test-builtin.c
++++ b/src/udev/udevadm-test-builtin.c
+@@ -39,7 +39,7 @@ static void help(struct udev *udev) {
+                "  -h --help     Print this message\n"
+                "     --version  Print version of the program\n\n"
+                "Commands:\n"
+-               , program_invocation_short_name);
++               , "parity");
+ 
+         udev_builtin_list(udev);
+ }
+diff --git a/src/udev/udevadm-test.c b/src/udev/udevadm-test.c
+index 47fd924..a855412 100644
+--- a/src/udev/udevadm-test.c
++++ b/src/udev/udevadm-test.c
+@@ -39,7 +39,7 @@ static void help(void) {
+                "     --version                         Show package version\n"
+                "  -a --action=ACTION                   Set action string\n"
+                "  -N --resolve-names=early|late|never  When to resolve names\n"
+-               , program_invocation_short_name);
++               , "parity");
+ }
+ 
+ static int adm_test(struct udev *udev, int argc, char *argv[]) {
+diff --git a/src/udev/udevadm-trigger.c b/src/udev/udevadm-trigger.c
+index 4dc756a..67787d3 100644
+--- a/src/udev/udevadm-trigger.c
++++ b/src/udev/udevadm-trigger.c
+@@ -92,7 +92,7 @@ static void help(void) {
+                "  -y --sysname-match=NAME           Trigger devices with this /sys path\n"
+                "     --name-match=NAME              Trigger devices with this /dev name\n"
+                "  -b --parent-match=NAME            Trigger devices with that parent device\n"
+-               , program_invocation_short_name);
++               , "parity");
+ }
+ 
+ static int adm_trigger(struct udev *udev, int argc, char *argv[]) {
+diff --git a/src/udev/udevadm.c b/src/udev/udevadm.c
+index 3e57cf6..b03dfaa 100644
+--- a/src/udev/udevadm.c
++++ b/src/udev/udevadm.c
+@@ -62,7 +62,7 @@ static int adm_help(struct udev *udev, int argc, char *argv[]) {
+         printf("%s [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n\n"
+                "Send control commands or test the device manager.\n\n"
+                "Commands:\n"
+-               , program_invocation_short_name);
++               , "parity");
+ 
+         for (i = 0; i < ELEMENTSOF(udevadm_cmds); i++)
+                 if (udevadm_cmds[i]->help != NULL)
+@@ -128,7 +128,7 @@ int main(int argc, char *argv[]) {
+                                 goto out;
+                         }
+ 
+-        fprintf(stderr, "%s: missing or unknown command\n", program_invocation_short_name);
++        fprintf(stderr, "%s: missing or unknown command\n", "parity");
+         rc = 2;
+ out:
+         mac_selinux_finish();
+diff --git a/src/udev/udevd.c b/src/udev/udevd.c
+index cf826c6..4eec0af 100644
+--- a/src/udev/udevd.c
++++ b/src/udev/udevd.c
+@@ -1041,7 +1041,7 @@ static void help(void) {
+                "  -t --event-timeout=SECONDS  Seconds to wait before terminating an event\n"
+                "  -N --resolve-names=early|late|never\n"
+                "                              When to resolve users and groups\n"
+-               , program_invocation_short_name);
++               , "parity");
+ }
+ 
+ static int parse_argv(int argc, char *argv[]) {
+diff --git a/src/v4l_id/v4l_id.c b/src/v4l_id/v4l_id.c
+index 1dce0d5..f65badf 100644
+--- a/src/v4l_id/v4l_id.c
++++ b/src/v4l_id/v4l_id.c
+@@ -49,7 +49,7 @@ int main(int argc, char *argv[]) {
+                         printf("%s [-h,--help] <device file>\n\n"
+                                "Video4Linux device identification.\n\n"
+                                "  -h  Print this message\n"
+-                               , program_invocation_short_name);
++                               , "parity");
+                         return 0;
+                 case '?':
+                         return -EINVAL;
+diff --git a/src/shared/path-util.c b/src/shared/path-util.c
+index 0744563..7151356 100644
+--- a/src/shared/path-util.c
++++ b/src/shared/path-util.c
+@@ -109,7 +109,7 @@ char *path_make_absolute_cwd(const char *p) {
+         if (path_is_absolute(p))
+                 return strdup(p);
+ 
+-        cwd = get_current_dir_name();
++        cwd = getcwd(malloc(128), 128);
+         if (!cwd)
+                 return NULL;
+ 

ethcore/wasm/Cargo.toml

@@ -12,4 +12,4 @@ libc = "0.2"
 pwasm-utils = "0.1"
 vm = { path = "../vm" }
 ethcore-logger = { path = "../../logger" }
-wasmi = { version = "0.1", features = ["opt-in-32bit"] }
+wasmi = { version = "0.1.2", features = ["opt-in-32bit"] }

parity/url.rs

@@ -57,3 +57,10 @@ pub fn open(url: &str) {
 	use std;
 	let _ = std::process::Command::new("xdg-open").arg(url).spawn();
 }
+
+#[cfg(target_os="android")]
+pub fn open(_url: &str) {
+	// TODO: While it is generally always bad to leave a function implemented, there is not much
+	//		 more we can do here. This function will eventually be removed when we compile Parity
+	//		 as a library and not as a full binary.
+}

util/network-devp2p/src/ip_utils.rs

@@ -210,7 +210,7 @@ impl SocketAddrExt for IpAddr {
 	}
 }
 
-#[cfg(not(windows))]
+#[cfg(not(any(windows, target_os = "android")))]
 mod getinterfaces {
 	use std::{mem, io, ptr};
 	use libc::{AF_INET, AF_INET6};
@@ -280,12 +280,12 @@ mod getinterfaces {
 	}
 }
 
-#[cfg(not(windows))]
+#[cfg(not(any(windows, target_os = "android")))]
 fn get_if_addrs() -> io::Result<Vec<IpAddr>> {
 	getinterfaces::get_all()
 }
 
-#[cfg(windows)]
+#[cfg(any(windows, target_os = "android"))]
 fn get_if_addrs() -> io::Result<Vec<IpAddr>> {
 	Ok(Vec::new())
 }