glfs/general/prog/gcc/gcc-exp.xml

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

<para><userinput>PATH_HOLD=$PATH</userinput> : This command
stores your current path before it's modified so that it can be restored after
installation.</para>

<para><userinput>export PATH=$PATH:/opt/gnat/bin</userinput> : This
command allows the build to find gnat's Ada compiler to build
Ada.</para>

<para><userinput>touch treeprs.ads [es]info.h nmake.ad[bs]</userinput> :
This command creates necessary files for the Ada build. This step
may be skipped if you don't want to compile the ada frontend.</para>

<para><userinput>--enable-languages=c,c++,objc,f77,ada,java</userinput>
: This command builds all available languages in the gcc package.
You may modify this command to remove unwanted languages.</para>

<para><userinput>--enable-shared --enable-threads=posix
--enable-__cxa_atexit</userinput> : These commands are required to build
the C++ libraries to published standards.</para>

<para><userinput>--enable-clocale=gnu</userinput> : This command is a
failsafe for incomplete locale data.</para>

<para><userinput>make gnatlib_and tools</userinput> : This command
completes the Ada build process. Skip this step if you have not enabled
ADA as one of the languages.</para>

</sect2>