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https://github.com/eclipse-cdt/cdt
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Bug 521515: [releng] Build o.e.cdt.native.serial natives using docker
Steps: 1. Edit and commit change 2. docker run --rm -it -v $(git rev-parse --show-toplevel):/work -w /work/$(git rev-parse --show-prefix) quay.io/eclipse-cdt/cdt-infra-eclipse-full:latest make -C jni rebuild 3. GIT_COMMITTER_DATE=$(git log -1 --pretty=format:%cI -- .) git commit --amend -a --reuse-message=HEAD Change-Id: I9d9a576fd2eb1c5edd874098d08564ecdfa6ba09
This commit is contained in:
Jonah Graham
parent
412d926a24
commit
29369a555c
9 changed files with 116 additions and 8 deletions
4
.gitattributes
vendored
4
.gitattributes
vendored
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@ -45,12 +45,12 @@ Makefile text
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# (These should not normally be checked in, exceptions for pre-compiled libraries and tests)
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*.o binary
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*.d text
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*.dll binary
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*.dll binary diff=dll
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*.a binary
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*.exe binary
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*.out binary
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*.app binary
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*.jnilib binary
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*.jnilib binary diff=hex
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*.so binary
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# Web/Javascript/Node
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@ -2,7 +2,7 @@ Manifest-Version: 1.0
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Bundle-ManifestVersion: 2
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Bundle-Name: Serial Port
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Bundle-SymbolicName: org.eclipse.cdt.native.serial
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Bundle-Version: 1.1.200.qualifier
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Bundle-Version: 1.1.300.qualifier
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Bundle-Vendor: Eclipse CDT
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Bundle-RequiredExecutionEnvironment: JavaSE-1.8
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Export-Package: org.eclipse.cdt.serial
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@ -1,5 +1,5 @@
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#*******************************************************************************
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# Copyright (c) 2002, 2009 QNX Software Systems and others.
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# Copyright (c) 2002, 2019 QNX Software Systems and others.
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#
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# This program and the accompanying materials
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# are made available under the terms of the Eclipse Public License 2.0
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@ -25,7 +25,8 @@ UNAME = $(shell uname)
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ifeq ($(UNAME),Linux)
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LIBS = \
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$(OS_DIR)/win32/x86_64/serial.dll \
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$(OS_DIR)/linux/x86_64/libserial.so
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$(OS_DIR)/linux/x86_64/libserial.so \
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$(OS_DIR)/macosx/x86_64/libserial.jnilib
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else
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ifeq ($(UNAME),Darwin)
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LIBS = \
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@ -43,9 +44,14 @@ clean :
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rebuild: clean all
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# Windows DLLs have a build timestamp in them. This makes it impossible to have reproducible builds.
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# However, x86_64-w64-mingw32-ld on Debian/Ubuntu has a patch that overrides the current date
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# using the SOURCE_DATE_EPOCH environment variable. Therefore we set SOURCE_DATE_EPOCH to a
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# consistent timestamp that can be reproduced. We base it off of the commit timestamp of the
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# most recent git commit in this directory.
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$(OS_DIR)/win32/x86_64/serial.dll: serial.c
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mkdir -p $(dir $@)
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x86_64-w64-mingw32-gcc -I"$(JAVA_HOME)/include" -I"$(JAVA_HOME)/include/win32" -shared -o $@ serial.c
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SOURCE_DATE_EPOCH=$(shell git log -1 --pretty=format:%ct -- .) x86_64-w64-mingw32-gcc -I"$(JAVA_HOME)/include" -I"$(JAVA_HOME)/include/win32" -shared -o $@ serial.c
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$(OS_DIR)/linux/x86_64/libserial.so: serial.c
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mkdir -p $(dir $@)
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@ -57,4 +63,4 @@ $(OS_DIR)/linux/ppc64le/libserial.so: serial.c
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$(OS_DIR)/macosx/x86_64/libserial.jnilib: serial.c
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mkdir -p $(dir $@)
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clang $(CFLAGS) -I$(JAVA_HOME)/include -I$(JAVA_HOME)/include/darwin $(LDFLAGS) -dynamiclib -o $@ serial.c
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x86_64-apple-darwin17-clang $(CFLAGS) -I$(JAVA_HOME)/include -I$(JAVA_HOME)/include/darwin $(LDFLAGS) -dynamiclib -o $@ serial.c
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21
native/org.eclipse.cdt.native.serial/jni/Readme.md
Normal file
21
native/org.eclipse.cdt.native.serial/jni/Readme.md
Normal file
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@ -0,0 +1,21 @@
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### How to rebuild natives.
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The goal of these instructions is to have a cross-platform build of the natives in CDT. Using tools in CDT's
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[docker](https://github.com/eclipse-cdt/cdt-infra/blob/master/docker/cdt-infra-eclipse-full/ubuntu-18.04/Dockerfile) build image
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(quay.io/eclipse-cdt/cdt-infra-eclipse-full:latest).
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It is fairly straightforward to biuild the natives, run this command:
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```
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docker run --rm -it -v $(git rev-parse --show-toplevel):/work -w /work/$(git rev-parse --show-prefix) quay.io/eclipse-cdt/cdt-infra-eclipse-full:latest make -C jni rebuild
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```
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However, the challenge is that dll files on Windows have a timestamp in them. To have reproducible builds, we need to have a reproducible
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timestamp. Therefore we use the commit time of the commit to derive a timestamp (See the Makefile for more info). Because we want
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to keep the DLL checked in so that contributors don't need to rebuild it all the time we need a way to have to check in the dll with
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the same commit time. To do this we use GIT_COMMITTER_DATE. So, after editing and committing your change, you need to rebuild one last
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time with the commit date and the commit it without changing the commit date again using:
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```
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GIT_COMMITTER_DATE=$(git log -1 --pretty=format:%cI -- .) git commit --amend -a --reuse-message=HEAD
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```
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@ -23,11 +23,87 @@
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<relativePath>../../pom.xml</relativePath>
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</parent>
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<version>1.1.200-SNAPSHOT</version>
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<version>1.1.300-SNAPSHOT</version>
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<artifactId>org.eclipse.cdt.native.serial</artifactId>
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<packaging>eclipse-plugin</packaging>
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<profiles>
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<profile>
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<id>build-native.all</id>
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<activation>
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<property>
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<name>native</name>
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<value>all</value>
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</property>
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</activation>
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<build>
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<plugins>
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<plugin>
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<artifactId>maven-antrun-plugin</artifactId>
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<executions>
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<execution>
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<id>natives</id>
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<phase>process-resources</phase>
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<configuration>
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<target>
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<exec executable="make" newenvironment="false" failOnError="true" dir="./jni">
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<arg value="rebuild" />
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</exec>
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</target>
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</configuration>
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<goals>
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<goal>run</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</profile>
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<profile>
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<id>build-native.docker</id>
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<activation>
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<property>
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<name>native</name>
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<value>docker</value>
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</property>
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</activation>
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<build>
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<plugins>
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<plugin>
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<artifactId>maven-antrun-plugin</artifactId>
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<executions>
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<execution>
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<id>natives</id>
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<phase>process-resources</phase>
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<configuration>
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<target>
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<exec executable="docker" newenvironment="false" failOnError="true">
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<!-- docker run -\-rm -t -v $(git rev-parse -\-show-toplevel):/work -w /work/$(git rev-parse -\-show-prefix) quay.io/eclipse-cdt/cdt-infra-eclipse-full:latest make -C jni rebuild -->
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<arg value="run" />
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<arg value="--rm" />
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<arg value="-t" />
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<arg value="-v" />
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<arg value="${project.basedir}/../..:/work" />
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<arg value="-w" />
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<arg value="/work/native/org.eclipse.cdt.native.serial" />
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<arg value="quay.io/eclipse-cdt/cdt-infra-eclipse-full:latest" />
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<arg value="make" />
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<arg value="-C" />
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<arg value="jni" />
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<arg value="rebuild" />
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</exec>
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</target>
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</configuration>
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<goals>
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<goal>run</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</profile>
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<profile>
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<id>build-native.linux.x86_64</id>
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<activation>
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@ -83,6 +83,11 @@ git ls-files -- \*\*/.project ':!core/org.eclipse.cdt.core/.project' | while re
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fi
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done
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##
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# Make sure that natives are up to date
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##
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make -C native/org.eclipse.cdt.native.serial/jni rebuild
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##
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# Check that none of the above caused any changes
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##
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