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@@ -338,7 +338,8 @@ line to your \file{.login} file in your home directory.
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(see also the next section)
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\section{Optional configuration steps}
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-You may wish to set some environment variables. The \fpc compiler
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+On any platform, after installing the compiler you may wish to set
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+some environment variables. The \fpc compiler
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recognizes the following variables :
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\begin{itemize}
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\item \verb|PPC_EXEC_PATH| contains the directory where '\file{as}' and
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@@ -924,19 +925,19 @@ differently, so they are understood by RHIDE.
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\subsection{Options concerning files and directories}
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\begin{description}
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\item [-exxx] \file{xxx} specifies the directory where the
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-compiler can find the executables \file{as} (the assembler) and \file{ld} (the
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-compiler).
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+compiler can find the executables \file{as} (the assembler) and \file{ld}
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+(the linker).
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\olabel{e}
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\item [-FD] same as \var{-e}.
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\item [-Fexxx] This option tells the compiler to write errors, etc. to
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-the file in \file{xxx}.
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+the file named \file{xxx}.
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\olabel{Fe}
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\item [-Flxxx] Adds \var{xxx} to the library searching path, and is passed
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to the linker.
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\olabel{Fl}
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\item[-FLxxx] (\linux only) Tells the compiler to use \file{xxx} as the
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dynamic linker. Default this is \file{/lib/ld-linux.so.2}, or
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-\file{lib/ld-linux.so.1}, depending on which one is found first.
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+\file{/Hlib/ld-linux.so.1}, depending on which one is found first.
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\olabel{FL}
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\item[-Foxxx] Adds \file{xxx} to the object file path. This path is used
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when looking for files that need to be linked in.
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@@ -945,8 +946,9 @@ when looking for files that need to be linked in.
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messages. Default the compiler ahs built-in messages. Specifying this option
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will override the default messages.
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\olabel{Fr}
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-\item [-Fuxxx] Add \file{xxx} to the unit path. Units are loaded from the
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-current directory if they exist, and then in the unit path. You must {\em
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+\item [-Fuxxx] Add \file{xxx} to the unit path. Units are first searched
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+in the current directory. If they are not found there then the compiler searches
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+them in the unit path. You must {\em
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always} supply the unit path to the system unit.
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\olabel{Fu}
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\item [-FUxxx] Tells the compiler to write units in directory \var{xxx}
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@@ -1578,7 +1580,14 @@ end;
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\end{verbatim}
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\item Any text after the final \var{End.} statement is ignored. Normally,
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this text is processed too.
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-\item You cannot assign procedural variables to void pointers.
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+\item You cannot assign procedural variables to untyped pointers; so the
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+following is invalid:
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+\begin{verbatim}
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+ a: Procedure;
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+ b: Pointer;
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+begin
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+ b := a; // Error will be generated.
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+\end{verbatim}
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\item The @ operator is typed when applied on procedures.
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\item You cannot nest comments.
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\end{itemize}
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michael