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Error:kernel launches from templates is not allowed in System files 1 error detected in the compilation of "/tmp/tmp Xft_00005657_00000000-10_math_functions.cpp4.ii ". Workaround : g++ version is too high in Ubuntu14.04, Ubuntu15.04 is normal sudo apt-get install gcc-4.6 g++-4.6 gcc-4.6-multilib g++-4.6-multilib sudo update-alternatives--remove-all gcc sudo update-alternatives--remove-all g++ sudo upda

tar.gz package for the corresponding JDK, and put it in:/var/cache/oracle-jdk7-installer (JDK7)/var/cache/oracle-jdk8-installer (JDK8)Below, and then install the installer once. Installer will use the TAR.GZ package you downloaded by default3. Set the system default JDKJDk7sudo update-java-alternatives-s java-7-oracleJDK8sudo update-java-alternatives-s java-8-oracleIf the JDK7 is installed and the JDK8 is

. After the installation is complete, verify that[Email protected] ~]# java-"1.6.0_37"1.13. 9) (rhel-1.13. 9.4. el5_11-23.25-b01, Mixed mode)4. The path to the default installation via Yum is/usr/lib/jvm[Email protected] ~]# cd/usr/lib/Jvm[[email protected] jvm]# lltotal -drwxr-xr-x3Root root4096Jan A -: onjava-1.6.0-openjdk-1.6.0.37. x86_64lrwxrwxrwx1Root root +Jan A -: onJRE-/etc/alternatives/jrelrwxrwxrwx1Root root -Jan A -: onjre-1.6.0/etc/

It has been installed several times before, but each time you need to install again and have to re-search the tutorial, to record their own to avoid forgetting.Install JDK DownloadDownload: Click to open the link, I downloaded the filename is jdk-8u66-linux-x64.tar.gzUnzip the installationI'm going to install it under/opt/jvm/.First extract, TAR-ZXVF jdk-8u66-linux-x64.tar.gz, get jdk1.8.0_66Rename and move to/OPT/JVM,mv jdk1.8.0_66/jdk1.8/ mv jdk1.8.0_66//opt/jvm/Setting Environment Variablese

~]$ sudo rm-rf/usr/lib/jdk/jdk1.8.0_11/#删除[Randy@localhost ~]$ LS/USR/LIB/JDKBin Javafx-src.zip Mans Thirdpartylicensereadme-javafx.txtCOPYRIGHT JRE readme.html THIRDPARTYLICENSEREADME.txtDB Lib ReleaseInclude LICENSE Src.zip[Randy@localhost ~]$ 2. Configure Environment variables [Randy@localhost ~]$ sudo vim/etc/profileInsert on last line: #JAVA EnvironmentExport JAVA_HOME=/USR/LIB/JDKExport JRE_HOME=/USR/LIB/JDK/JREExport path= $JAVA _home/bin: $JRE _home/bin: $PATHExport classpath= $C

The process of compiling Android source code refer to the Android website:1, download the Android source code step: https://source.android.com/source/downloading.html2, compile the Android source code step: https://source.android.com/source/building-running.htmlHere are some of the problems I have encountered:1. JDK-related error when Compile Android Source:Error 1:target release 1.5 conflicts with default source release 1.7 Workaround: Best use JDK for 1.6.0.45 version error 2:[ Out/target/com

environment variables, not to list them one by one)Ubuntu may have a default JDK, such as openjdk. If openjdk is available, we need to perform the following work to make JDK installed by default. 3. Configure JDK software: Code:Sudo Update-alternatives -- install/usr/bin/javac/usr/local/jdk1.6.0 _ 31/bin/javac 1071Sudo Update-alternatives -- install/usr/bin/Java/usr/local/jdk1.6.0 _ 31/bin/Java 1071Update-

of sun? Google found that the original RedHat is far less troublesome than the win system. There is an alternative system (Alternatives System) mechanism in RedHat to abstract the locations and trademarks of different software or different versions of the same software, so as to eliminate the need to replace the environment. Update-alternatives is the implementation of this mechanism. Therefore, you can us

Finally, the complete implementation of C ++ 11 GCC 4.8.1. Upgrade your system. The following steps install gcc4.8.1 with content from: http://askubuntu.com/questions/312620/how-do-i-install-gcc-4-8-1-on-ubuntu-13-04 First install a software apt-get install python-software-properties Then sudo add-apt-repository ppa:ubuntu-toolchain-r/testsudo apt-get updatesudo update-alternatives --remove-all gcc sudo update-al