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diff --git a/chapter05/gcc-local-exp.sgml b/chapter05/gcc-local-exp.sgml new file mode 100644 index 000000000..0de2e3737 --- /dev/null +++ b/chapter05/gcc-local-exp.sgml @@ -0,0 +1,31 @@ +<sect2> +<title>Command explanations</title> + +<para> +<userinput>--with-local-prefix:</userinput> GCC installs a number of +files in /usr/local even when --prefix is set to something else. We +don't want that to happen in this case so that's why we use the +--with-local-prefix option to change that path. +</para> + +<para> +<userinput>--with-gxx-include-dir:</userinput> GCC installs the C++ +header files in /usr/include/g++ by default. Again, in this case we +don't want that to happen, we want this GCC version to be installed +completely under /usr/local/gcc2952. +</para> + +<para> +<userinput>make bootstrap:</userinput> Compile GCC by bootstrapping it. +Here that means the compiler will be built three times in total. First +it is compiled with your system's default compiler (which will usually +be a gcc or egcs compiler). This is stage 1 compiler. Then GCC will re-compile +itself but instead of using your system's compiler it will use itself to +compile itself again. This is the stage 2 compiler. Then it will compile +itself a second time with the stage 2 compiler and compares the second +and the third build to see if they are identical. If so, the +compilation was a success. +</para> + +</sect2> + |