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Shayne Fletcher
Glasgow Haskell Compiler
Commits
f733edf2
Commit
f733edf2
authored
Mar 09, 2005
by
wolfgang
Browse files
[project @ 2005-03-09 04:13:13 by wolfgang]
Some minimalistic documentation for -fPIC and -dynamic. MERGE TO STABLE
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ghc/docs/users_guide/phases.xml
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f733edf2
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@@ -559,6 +559,38 @@ $ cat foo.hspp</screen>
dumps of the intermediate compilation phases.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>
-fPIC
</option>
<indexterm><primary><option>
-fPIC
</option></primary></indexterm>
</term>
<listitem>
<para>
Generate position-independent code (code that can be put into
shared libraries). This currently works on Mac OS X; it works on
PowerPC Linux when using the native code generator (-fasm).
It is not quite ready to be used yet for x86 Linux.
On Windows, position-independent code is never used,
and on PowerPC64 Linux, position-independent code is always used,
so the flag is a no-op on those platforms.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>
-dynamic
</option>
</term>
<listitem>
<para>
When generating code, assume that entities imported from a
different package will reside in a different shared library or
binary. This currently works on Mac OS X; it works on PowerPC Linux when
using the native code generator. As with
<option>
-fPIC
</option>
,
x86 Linux support is not quite ready yet. Windows is not supported,
and it is a no-op on PowerPC64 Linux.
</para>
<para>
Note that this option also causes GHC to use shared libraries
when linking.
</para>
</listitem>
</varlistentry>
</variablelist>
</sect2>
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@@ -717,9 +749,11 @@ $ cat foo.hspp</screen>
</term>
<listitem>
<para>
Tell the linker to use shared Haskell libraries, if
available (this option is only supported on
Windows
at the
available (this option is only supported on
Mac OS X
at the
moment, and also note that your distribution of GHC may
not have been supplied with shared libraries).
</para>
<para>
Note that this option also has an effect on
code generation (see above).
</para>
</listitem>
</varlistentry>
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