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* doc/install.texi: Document powerpc-*-darwin* details.

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Stan Shebs 2001-08-06 15:58:46 +00:00 committed by Stan Shebs
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2001-08-06 Stan Shebs <shebs@apple.com>
* doc/install.texi: Document powerpc-*-darwin* details.
2001-08-06 Daniel Berlin <dan@cgsoftware.com>
* config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h

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gcc/doc/install.texi
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@ -1354,6 +1354,8 @@ GNU Compiler Collection on your machine.
@item
@uref{#powerpc*-*-*,,powerpc*-*-*, powerpc-*-sysv4}
@item
@uref{#powerpc-*-darwin*,,powerpc-*-darwin*}
@item
@uref{#powerpc-*-elf,,powerpc-*-elf, powerpc-*-sysv4}
@item
@uref{#powerpc-*-linux-gnu*,,powerpc-*-linux-gnu*}
@ -2859,6 +2861,40 @@ binaries of GCC for bootstrapping.
You can specify a default version for the @option{-mcpu=@var{cpu_type}}
switch by using the configure option @option{--with-cpu-@var{cpu_type}}.
@html
</p>
<hr>
@end html
@heading @anchor{powerpc-*-darwin*}powerpc-*-darwin*
PowerPC running Darwin (Mac OS X kernel).
GCC 3.0 does not support Darwin, but 3.1 and later releases will work.
Pre-installed versions of Mac OS X may not include any developer tools,
meaning that you will not be able to build GCC from source. Tool
binaries are available at
@uref{http://www.opensource.apple.com/projects/darwin} (free
registration required).
Versions of the assembler prior to ``cctools-364'' cannot handle the
4-argument form of rlwinm and related mask-using instructions. Darwin
1.3 (Mac OS X 10.0) uses cctools-353 for instance. To get cctools-364,
check out @file{cctools} with tag @samp{Apple-364}, build it, and
install the assembler as @file{usr/bin/as}. See
@uref{http://www.opensource.apple.com/tools/cvs/docs.html} for details.
Also, the default stack limit of 512K is too small, and a bootstrap will
typically fail when self-compiling @file{expr.c}. Set the stack to 800K
or more, for instance by doing @samp{limit stack 800}. It's also
convenient to use the GNU preprocessor instead of Apple's during the
first stage of bootstrapping; this is automatic when doing @samp{make
bootstrap}, but to do it from the toplevel objdir you will need to say
@samp{make CC='cc -no-cpp-precomp' bootstrap}.
Note that the version of GCC shipped by Apple typically includes a
number of extensions not available in a standard GCC release. These
extensions are generally specific to Mac programming.
@html
</p>
<hr>