Add support for Apple Silicon to RocksJava (#9254)

    Summary:
    Fixes facebook/rocksdb#7720

    Updated Makefile with flags to define target architecture when compiling/linking,
    and added goal `rocksdbjavastaticosxub` to build a OS X Universal Binary native library.

    Pull Request resolved: facebook/rocksdb#9254

    Reviewed By: mrambacher

    Differential Revision: D33551160

    Pulled By: pdillinger

    fbshipit-source-id: 9ce9962e03aacf55014545a6cdf638b5b14b8fa9

.circleci/config.yml

@@ -24,6 +24,13 @@ commands:
           command: |
             HOMEBREW_NO_AUTO_UPDATE=1 brew install cmake
 
+  install-jdk8-on-macos:
+    steps:
+      - run:
+          name: Install JDK 8 on macos
+          command: |
+            brew install --cask adoptopenjdk/openjdk/adoptopenjdk8
+
   increase-max-open-files-on-macos:
     steps:
       - run:
@@ -53,7 +60,7 @@ commands:
   pre-steps-macos:
       steps:
         - pre-steps:
-            python-version: "3.6.0"
+            python-version: "3.7.8"
 
   post-steps:
     steps:
@@ -486,7 +493,7 @@ jobs:
 
   build-macos-java-static:
     macos:
-      xcode: 11.3.0
+      xcode: 12.5.1
     resource_class: medium
     environment:
       JAVA_HOME: /Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home
@@ -495,6 +502,7 @@ jobs:
       - install-pyenv-on-macos
       - install-gflags-on-macos
       - install-cmake-on-macos
+      - install-jdk8-on-macos
       - pre-steps-macos
       - run:
           name: "Set Java Environment"
@@ -504,8 +512,33 @@ jobs:
             which java && java -version
             which javac && javac -version
       - run:
-          name: "Build RocksDBJava Static Library"
-          command: make V=1 J=8 -j8 rocksdbjavastatic | .circleci/cat_ignore_eagain
+          name: "Build RocksDBJava x86 and ARM Static Libraries"
+          command: make V=1 J=8 -j8 rocksdbjavastaticosx 2>&1 | .circleci/cat_ignore_eagain
+      - post-steps
+
+  build-macos-java-static-universal:
+    macos:
+      xcode: 12.5.1
+    resource_class: medium
+    environment:
+      JAVA_HOME: /Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home
+    steps:
+      - increase-max-open-files-on-macos
+      - install-pyenv-on-macos
+      - install-gflags-on-macos
+      - install-cmake-on-macos
+      - install-jdk8-on-macos
+      - pre-steps-macos
+      - run:
+          name: "Set Java Environment"
+          command: |
+            echo "JAVA_HOME=${JAVA_HOME}"
+            echo 'export PATH=$JAVA_HOME/bin:$PATH' >> $BASH_ENV
+            which java && java -version
+            which javac && javac -version
+      - run:
+          name: "Build RocksDBJava Universal Binary Static Library"
+          command: make V=1 J=8 -j8 rocksdbjavastaticosx_ub 2>&1 | .circleci/cat_ignore_eagain
       - post-steps
 
   build-examples:
@@ -659,6 +692,7 @@ workflows:
       - build-linux-java-static
       - build-macos-java
       - build-macos-java-static
+      - build-macos-java-static-universal
   build-examples:
     jobs:
       - build-examples

Makefile

@@ -136,12 +136,6 @@ CFLAGS +=  -DHAVE_POWER8
 HAVE_POWER8=1
 endif
 
-ifeq (,$(shell $(CXX) -fsyntax-only -march=armv8-a+crc+crypto -xc /dev/null 2>&1))
-CXXFLAGS += -march=armv8-a+crc+crypto
-CFLAGS += -march=armv8-a+crc+crypto
-ARMCRC_SOURCE=1
-endif
-
 # if we're compiling for shared libraries, add the shared flags
 ifeq ($(LIB_MODE),shared)
 CXXFLAGS += $(PLATFORM_SHARED_CFLAGS) -DROCKSDB_DLL
@@ -252,6 +246,16 @@ ROCKSDB_PLUGIN_SOURCES = $(foreach plugin, $(ROCKSDB_PLUGINS), $(foreach source,
 ROCKSDB_PLUGIN_HEADERS = $(foreach plugin, $(ROCKSDB_PLUGINS), $(foreach header, $($(plugin)_HEADERS), plugin/$(plugin)/$(header)))
 PLATFORM_LDFLAGS += $(foreach plugin, $(ROCKSDB_PLUGINS), $($(plugin)_LDFLAGS))
 
+CXXFLAGS += $(ARCHFLAG)
+
+ifeq (,$(shell $(CXX) -fsyntax-only -march=armv8-a+crc+crypto -xc /dev/null 2>&1))
+ifneq ($(PLATFORM),OS_MACOSX)
+CXXFLAGS += -march=armv8-a+crc+crypto
+CFLAGS += -march=armv8-a+crc+crypto
+ARMCRC_SOURCE=1
+endif
+endif
+
 export JAVAC_ARGS
 CLEAN_FILES += make_config.mk rocksdb.pc
 
@@ -301,6 +305,19 @@ ifeq ($(LIB_MODE),shared)
 EXEC_LDFLAGS += -Wl,-rpath -Wl,'$$ORIGIN'
 endif
 
+ifeq ($(PLATFORM), OS_MACOSX)
+ifeq ($(ARCHFLAG), -arch arm64)
+ifneq ($(MACHINE), arm64)
+# If we're building on a non-arm64 machine but targeting arm64 Mac, we need to disable
+# linking with jemalloc (as it won't be arm64-compatible) and remove some other options
+# set during platform detection
+DISABLE_JEMALLOC=1
+PLATFORM_CFLAGS := $(filter-out -march=native -DHAVE_SSE42, $(PLATFORM_CFLAGS))
+PLATFORM_CXXFLAGS := $(filter-out -march=native -DHAVE_SSE42, $(PLATFORM_CXXFLAGS))
+endif
+endif
+endif
+
 # ASAN doesn't work well with jemalloc. If we're compiling with ASAN, we should use regular malloc.
 ifdef COMPILE_WITH_ASAN
 	DISABLE_JEMALLOC=1
@@ -1954,11 +1971,13 @@ ifneq ($(origin JNI_LIBC), undefined)
   JNI_LIBC_POSTFIX = -$(JNI_LIBC)
 endif
 
-ifneq (,$(filter ppc% arm64 aarch64 sparc64, $(MACHINE)))
+ifeq (,$(ROCKSDBJNILIB))
+ifneq (,$(filter ppc% s390x arm64 aarch64 sparc64, $(MACHINE)))
 	ROCKSDBJNILIB = librocksdbjni-linux-$(MACHINE)$(JNI_LIBC_POSTFIX).so
 else
 	ROCKSDBJNILIB = librocksdbjni-linux$(ARCH)$(JNI_LIBC_POSTFIX).so
 endif
+endif
 ROCKSDB_JAVA_VERSION ?= $(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)
 ROCKSDB_JAR = rocksdbjni-$(ROCKSDB_JAVA_VERSION)-linux$(ARCH)$(JNI_LIBC_POSTFIX).jar
 ROCKSDB_JAR_ALL = rocksdbjni-$(ROCKSDB_JAVA_VERSION).jar
@@ -1984,7 +2003,13 @@ ZSTD_DOWNLOAD_BASE ?= https://github.com/facebook/zstd/archive
 CURL_SSL_OPTS ?= --tlsv1
 
 ifeq ($(PLATFORM), OS_MACOSX)
+ifeq (,$(findstring librocksdbjni-osx,$(ROCKSDBJNILIB)))
+ifeq ($(MACHINE),arm64)
+	ROCKSDBJNILIB = librocksdbjni-osx-aarch64.jnilib
+else
 	ROCKSDBJNILIB = librocksdbjni-osx.jnilib
+endif
+endif
 	ROCKSDB_JAR = rocksdbjni-$(ROCKSDB_JAVA_VERSION)-osx.jar
 	SHA256_CMD = openssl sha256 -r
 ifneq ("$(wildcard $(JAVA_HOME)/include/darwin)","")
@@ -1993,6 +2018,7 @@ else
 	JAVA_INCLUDE = -I/System/Library/Frameworks/JavaVM.framework/Headers/
 endif
 endif
+
 ifeq ($(PLATFORM), OS_FREEBSD)
 	JAVA_INCLUDE = -I$(JAVA_HOME)/include -I$(JAVA_HOME)/include/freebsd
 	ROCKSDBJNILIB = librocksdbjni-freebsd$(ARCH).so
@@ -2027,7 +2053,11 @@ zlib-$(ZLIB_VER).tar.gz:
 libz.a: zlib-$(ZLIB_VER).tar.gz
 	-rm -rf zlib-$(ZLIB_VER)
 	tar xvzf zlib-$(ZLIB_VER).tar.gz
-	cd zlib-$(ZLIB_VER) && CFLAGS='-fPIC ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' ./configure --static && $(MAKE)
+	if [ -n"$(ARCHFLAG)" ]; then \
+		cd zlib-$(ZLIB_VER) && CFLAGS='-fPIC ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' ./configure --static --archs="$(ARCHFLAG)" && $(MAKE);  \
+	else \
+		cd zlib-$(ZLIB_VER) && CFLAGS='-fPIC ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' ./configure --static && $(MAKE);  \
+	fi
 	cp zlib-$(ZLIB_VER)/libz.a .
 
 bzip2-$(BZIP2_VER).tar.gz:
@@ -2041,7 +2071,7 @@ bzip2-$(BZIP2_VER).tar.gz:
 libbz2.a: bzip2-$(BZIP2_VER).tar.gz
 	-rm -rf bzip2-$(BZIP2_VER)
 	tar xvzf bzip2-$(BZIP2_VER).tar.gz
-	cd bzip2-$(BZIP2_VER) && $(MAKE) CFLAGS='-fPIC -O2 -g -D_FILE_OFFSET_BITS=64 ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' AR='ar ${EXTRA_ARFLAGS}'
+	cd bzip2-$(BZIP2_VER) && $(MAKE) CFLAGS='-fPIC -O2 -g -D_FILE_OFFSET_BITS=64 $(ARCHFLAG) ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' AR='ar ${EXTRA_ARFLAGS}' libbz2.a
 	cp bzip2-$(BZIP2_VER)/libbz2.a .
 
 snappy-$(SNAPPY_VER).tar.gz:
@@ -2056,7 +2086,7 @@ libsnappy.a: snappy-$(SNAPPY_VER).tar.gz
 	-rm -rf snappy-$(SNAPPY_VER)
 	tar xvzf snappy-$(SNAPPY_VER).tar.gz
 	mkdir snappy-$(SNAPPY_VER)/build
-	cd snappy-$(SNAPPY_VER)/build && CFLAGS='${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' CXXFLAGS='${JAVA_STATIC_DEPS_CXXFLAGS} ${EXTRA_CXXFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' cmake -DCMAKE_POSITION_INDEPENDENT_CODE=ON ${PLATFORM_CMAKE_FLAGS} .. && $(MAKE) ${SNAPPY_MAKE_TARGET}
+	cd snappy-$(SNAPPY_VER)/build && CFLAGS='$(ARCHFLAG) ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' CXXFLAGS='$(ARCHFLAG) ${JAVA_STATIC_DEPS_CXXFLAGS} ${EXTRA_CXXFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' cmake -DCMAKE_POSITION_INDEPENDENT_CODE=ON ${PLATFORM_CMAKE_FLAGS} .. && $(MAKE) ${SNAPPY_MAKE_TARGET}
 	cp snappy-$(SNAPPY_VER)/build/libsnappy.a .
 
 lz4-$(LZ4_VER).tar.gz:
@@ -2070,7 +2100,7 @@ lz4-$(LZ4_VER).tar.gz:
 liblz4.a: lz4-$(LZ4_VER).tar.gz
 	-rm -rf lz4-$(LZ4_VER)
 	tar xvzf lz4-$(LZ4_VER).tar.gz
-	cd lz4-$(LZ4_VER)/lib && $(MAKE) CFLAGS='-fPIC -O2 ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' all
+	cd lz4-$(LZ4_VER)/lib && $(MAKE) CFLAGS='-fPIC -O2 $(ARCHFLAG) ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' all
 	cp lz4-$(LZ4_VER)/lib/liblz4.a .
 
 zstd-$(ZSTD_VER).tar.gz:
@@ -2084,7 +2114,7 @@ zstd-$(ZSTD_VER).tar.gz:
 libzstd.a: zstd-$(ZSTD_VER).tar.gz
 	-rm -rf zstd-$(ZSTD_VER)
 	tar xvzf zstd-$(ZSTD_VER).tar.gz
-	cd zstd-$(ZSTD_VER)/lib && DESTDIR=. PREFIX= $(MAKE) CFLAGS='-fPIC -O2 ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' libzstd.a
+	cd zstd-$(ZSTD_VER)/lib && DESTDIR=. PREFIX= $(MAKE) CFLAGS='-fPIC -O2 $(ARCHFLAG) ${JAVA_STATIC_DEPS_CCFLAGS} ${EXTRA_CFLAGS}' LDFLAGS='${JAVA_STATIC_DEPS_LDFLAGS} ${EXTRA_LDFLAGS}' libzstd.a
 	cp zstd-$(ZSTD_VER)/lib/libzstd.a .
 
 # A version of each $(LIB_OBJECTS) compiled with -fPIC and a fixed set of static compression libraries
@@ -2106,7 +2136,37 @@ endif
 	$(MAKE) rocksdbjavastatic_deps
 	$(MAKE) rocksdbjavastatic_libobjects
 	$(MAKE) rocksdbjavastatic_javalib
+	$(MAKE) rocksdbjavastatic_jar
+
+rocksdbjavastaticosx: rocksdbjavastaticosx_archs
+	mv java/target/librocksdbjni-osx-x86_64.jnilib java/target/librocksdbjni-osx.jnilib
+	mv java/target/librocksdbjni-osx-arm64.jnilib java/target/librocksdbjni-osx-aarch64.jnilib
+
+rocksdbjavastaticosx_ub: rocksdbjavastaticosx_archs
+	lipo -create -output ./java/target/$(ROCKSDBJNILIB) java/target/librocksdbjni-osx-x86_64.jnilib java/target/librocksdbjni-osx-arm64.jnilib
+	$(MAKE) rocksdbjavastatic_jar
 
+rocksdbjavastaticosx_archs: 
+	$(MAKE) rocksdbjavastaticosx_arch_x86_64
+	$(MAKE) rocksdbjavastaticosx_arch_arm64
+
+rocksdbjavastaticosx_arch_%:
+ifeq ($(JAVA_HOME),)
+	$(error JAVA_HOME is not set)
+endif
+	$(MAKE) clean-ext-libraries-bin
+	$(MAKE) clean-rocks
+	ARCHFLAG="-arch $*" $(MAKE) rocksdbjavastatic_deps
+	ARCHFLAG="-arch $*" $(MAKE) rocksdbjavastatic_libobjects
+	ARCHFLAG="-arch $*" ROCKSDBJNILIB="librocksdbjni-osx-$*.jnilib" $(MAKE) rocksdbjavastatic_javalib
+
+ifeq ($(JAR_CMD),)
+ifneq ($(JAVA_HOME),)
+JAR_CMD := $(JAVA_HOME)/bin/jar
+else
+JAR_CMD := jar
+endif
+endif
 rocksdbjavastatic_javalib:
 	cd java; SHA256_CMD='$(SHA256_CMD)' $(MAKE) javalib
 	rm -f java/target/$(ROCKSDBJNILIB)
@@ -2117,11 +2177,13 @@ rocksdbjavastatic_javalib:
 	cd java/target;if [ "$(DEBUG_LEVEL)" == "0" ]; then \
 		strip $(STRIPFLAGS) $(ROCKSDBJNILIB); \
 	fi
-	cd java;jar -cf target/$(ROCKSDB_JAR) HISTORY*.md
-	cd java/target;jar -uf $(ROCKSDB_JAR) $(ROCKSDBJNILIB)
-	cd java/target/classes;jar -uf ../$(ROCKSDB_JAR) org/rocksdb/*.class org/rocksdb/util/*.class
-	cd java/target/apidocs;jar -cf ../$(ROCKSDB_JAVADOCS_JAR) *
-	cd java/src/main/java;jar -cf ../../../target/$(ROCKSDB_SOURCES_JAR) org
+
+rocksdbjavastatic_jar:
+	cd java; $(JAR_CMD)  -cf target/$(ROCKSDB_JAR) HISTORY*.md
+	cd java/target; $(JAR_CMD) -uf $(ROCKSDB_JAR) $(ROCKSDBJNILIB)
+	cd java/target/classes; $(JAR_CMD) -uf ../$(ROCKSDB_JAR) org/rocksdb/*.class org/rocksdb/util/*.class
+	cd java/target/apidocs; $(JAR_CMD) -cf ../$(ROCKSDB_JAVADOCS_JAR) *
+	cd java/src/main/java; $(JAR_CMD) -cf ../../../target/$(ROCKSDB_SOURCES_JAR) org
 	openssl sha1 java/target/$(ROCKSDB_JAR) | sed 's/.*= \([0-9a-f]*\)/\1/' > java/target/$(ROCKSDB_JAR).sha1
 	openssl sha1 java/target/$(ROCKSDB_JAVADOCS_JAR) | sed 's/.*= \([0-9a-f]*\)/\1/' > java/target/$(ROCKSDB_JAVADOCS_JAR).sha1
 	openssl sha1 java/target/$(ROCKSDB_SOURCES_JAR) | sed 's/.*= \([0-9a-f]*\)/\1/' > java/target/$(ROCKSDB_SOURCES_JAR).sha1
@@ -2130,18 +2192,17 @@ rocksdbjavastatic_deps: $(JAVA_COMPRESSIONS)
 
 rocksdbjavastatic_libobjects: $(LIB_OBJECTS)
 
-rocksdbjavastaticrelease: rocksdbjavastatic
+rocksdbjavastaticrelease: rocksdbjavastaticosx
 	cd java/crossbuild && (vagrant destroy -f || true) && vagrant up linux32 && vagrant halt linux32 && vagrant up linux64 && vagrant halt linux64 && vagrant up linux64-musl && vagrant halt linux64-musl
 	cd java;jar -cf target/$(ROCKSDB_JAR_ALL) HISTORY*.md
 	cd java/target;jar -uf $(ROCKSDB_JAR_ALL) librocksdbjni-*.so librocksdbjni-*.jnilib
 	cd java/target/classes;jar -uf ../$(ROCKSDB_JAR_ALL) org/rocksdb/*.class org/rocksdb/util/*.class
 	openssl sha1 java/target/$(ROCKSDB_JAR_ALL) | sed 's/.*= \([0-9a-f]*\)/\1/' > java/target/$(ROCKSDB_JAR_ALL).sha1
 
-rocksdbjavastaticreleasedocker: rocksdbjavastatic rocksdbjavastaticdockerx86 rocksdbjavastaticdockerx86_64 rocksdbjavastaticdockerx86musl rocksdbjavastaticdockerx86_64musl
-	cd java;jar -cf target/$(ROCKSDB_JAR_ALL) HISTORY*.md
-	jar -uf java/target/$(ROCKSDB_JAR_ALL) HISTORY*.md
-	cd java/target;jar -uf $(ROCKSDB_JAR_ALL) librocksdbjni-*.so librocksdbjni-*.jnilib librocksdbjni-win64.dll
-	cd java/target/classes;jar -uf ../$(ROCKSDB_JAR_ALL) org/rocksdb/*.class org/rocksdb/util/*.class
+rocksdbjavastaticreleasedocker: rocksdbjavastaticosx rocksdbjavastaticdockerx86 rocksdbjavastaticdockerx86_64 rocksdbjavastaticdockerx86musl rocksdbjavastaticdockerx86_64musl
+	cd java; $(JAR_CMD) -cf target/$(ROCKSDB_JAR_ALL) HISTORY*.md
+	cd java/target; $(JAR_CMD) -uf $(ROCKSDB_JAR_ALL) librocksdbjni-*.so librocksdbjni-*.jnilib
+	cd java/target/classes; $(JAR_CMD) -uf ../$(ROCKSDB_JAR_ALL) org/rocksdb/*.class org/rocksdb/util/*.class
 	openssl sha1 java/target/$(ROCKSDB_JAR_ALL) | sed 's/.*= \([0-9a-f]*\)/\1/' > java/target/$(ROCKSDB_JAR_ALL).sha1
 
 frocksdbjavastaticreleasedocker: rocksdbjavastaticreleasedocker

java/src/main/java/org/rocksdb/util/Environment.java

@@ -111,7 +111,11 @@ public static String getJniLibraryName(final String name) {
         return String.format("%sjni-linux%s%s", name, arch, getLibcPostfix());
       }
     } else if (isMac()) {
-      return String.format("%sjni-osx", name);
+      if (isAarch64()) {
+        return String.format("%sjni-osx-%s", name, ARCH);
+      } else {
+        return String.format("%sjni-osx", name);
+      }
     } else if (isFreeBSD()) {
       return String.format("%sjni-freebsd%s", name, is64Bit() ? "64" : "32");
     } else if (isAix() && is64Bit()) {

java/src/test/java/org/rocksdb/util/EnvironmentTest.java

@@ -43,7 +43,7 @@ public void mac32() {
 
   @Test
   public void mac64() {
-    setEnvironmentClassFields("mac", "64");
+    setEnvironmentClassFields("mac", "x86-64");
     assertThat(Environment.isWindows()).isFalse();
     assertThat(Environment.getJniLibraryExtension()).
         isEqualTo(".jnilib");
@@ -53,6 +53,16 @@ public void mac64() {
         isEqualTo("librocksdbjni.dylib");
   }
 
+  @Test
+  public void macAarch64() {
+    setEnvironmentClassFields("mac", "aarch64");
+    assertThat(Environment.isWindows()).isFalse();
+    assertThat(Environment.getJniLibraryExtension()).isEqualTo(".jnilib");
+    assertThat(Environment.getJniLibraryFileName("rocksdb"))
+        .isEqualTo("librocksdbjni-osx-aarch64.jnilib");
+    assertThat(Environment.getSharedLibraryFileName("rocksdb")).isEqualTo("librocksdbjni.dylib");
+  }
+
   @Test
   public void nix32() {
     // Linux
@@ -184,7 +194,7 @@ public void ppc64le() {
   }
 
   @Test
-  public void aarch64() {
+  public void linuxArch64() {
     setEnvironmentClassField(MUSL_LIBC_FIELD_NAME, false);
     setEnvironmentClassFields("Linux", "aarch64");
     assertThat(Environment.isUnix()).isTrue();