source: general/prog/jdk/j2sdk-exp.xml@ e68cc1c

<sect2>
<title>Command explanations</title>

<para><userinput>T=`grep...</userinput> : Determines the part where the tarfile begins in the self extracting archive.</para>

<para><userinput>patch -Np1 -i j2sdk-${VERSION}-fix-intl-files.patch</userinput> : Patch to fix duplicate messages in the intl files.</para>
<para><userinput>patch -Np1 -i j2sdk-${VERSION}-link-missing-libs.patch</userinput> : Patch to add missing libs to fix unresolved symbols.</para>
<para><userinput>patch -Np1 -i j2sdk-${VERSION}-remove-fixed-paths.patch</userinput> : The build wants
the binaries in specific locations, this patch modifies this to use the
current <envar>PATH</envar> environment to find binaries.</para>
<para><userinput>patch -Np1 -i j2sdk-${VERSION}-syntax-fixes.patch</userinput> : Patch to fix syntax for gcc3.</para>
<para><userinput>patch -Np1 -i j2sdk-${VERSION}-use-included-motif.patch</userinput> : Patch to rename the internal motif library to avoid conflicts with an incompatible system installed version.</para>

<para><userinput>export ALT_BOOTDIR="$JAVA_HOME"</userinput> : This
var sets location of the bootstrap JDK.
</para>

<para><userinput>export ALT_MOZILLA_PATH=$PWD</userinput> : This sets the
variable that points to where you unzipped the mozilla headers.</para>

<para><userinput>export ALT_DEVTOOLS_PATH="/usr/bin"</userinput> : This
changes the location where the build finds the needed executables.
</para>

<para><userinput>export BUILD_NUMBER="blfs-`date +%s`"</userinput> : This will
help you identify this compiled version of the runtime environment and
virtual machine by appending this information to the version in the
output to "java -version".</para>

<para><userinput>export DEV_ONLY=true</userinput> : This command
eliminates compiling the documentation and eliminates a dependency for
rpm. </para>

<para><userinput>unset JAVA_HOME</userinput> : This clears the JAVA_HOME
variable and prevents misdirection during compile.</para>

<para><userinput>unset CLASSPATH</userinput> : This clears the CLASSPATH
variable and prevents misdirection during compile.</para>

<para><userinput>unset CFLAGS...</userinput> : These flags cause miscompilation
of the build. Never set these.
</para>

<para><userinput>export INSANE=true</userinput> : Unless you specify that you
are insane the build will not proceed. The certified platform for the build is
Redhat 6.1. The above variable ensures that all the errors related to
compiling on a non-certified platform will be converted to warnings.</para>

<para><userinput>export MAKE_VERBOSE=true</userinput> : Allows the current
compilation command to be displayed on the console.</para>

<para><userinput>export ALT_CACERTS_FILE...</userinput> : Specifies the certificate
file to use.</para>

</sect2>