Hi Fergus,
Fergus Henderson wrote:
> Could you post a copy of or link to the docs for "-isysroot"?
>
I could not find much documentation on the sysroot/isysroot flags for OS X.
In short, they choose the SDK that is used by gcc (headers/libs), in a cross-
compile way. The flags are supported starting from gcc-4. When compiling
universal binaries on Mac (what probably most people will want to), Apple
claims "-isysroot /Developer/SDKs/MacOSX10.4u.sdk" mandatory.
What I found are these two pages. However they state only when to use
isysroot, not what it does or how it works:
http://developer.apple.com/documentation/DeveloperTools/Conceptual/cross_development/Using/chapter_3_section_2.html#//apple_ref/doc/uid/20002000-1114311-BABGCAAB
http://developer.apple.com/documentation/Porting/Conceptual/PortingUnix/compiling/chapter_4_section_3.html
I was actually hoping that someone of the distcc developers could help,
as the error message 'distcc does not support -isysroot' implied some
knowledge :-)
One possible work-around would be to create a shell script
"gcc-isysroot" whose contents are
#!/bin/sh
gcc -isysroot "$@"
Seems like a reasonable idea, I will try it! With pump mode I would
then set CC="gcc-isysroot"? Something like:
pump make -j8 CC="gcc-isysroot"
Cheers,
Mario
On Sat, Sep 13, 2008 at 1:28 PM, Mario Emmenlauer <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
Hi distcc-team,
Thanks for this great new 3.0 release!
One problem I have: distcc in pump mode tells me there is no support
for the Mac OS gcc -isysroot option. This option is needed by many
Mac OS developers, to compile backward compatible code on a more recent
OS.
Supporting -isysroot in distcc seems (from my naive point of view)
rather
simple? Its more or less just a prepend to several paths?
Can you please advise me where to start? Or is this something that is
already being worked on?
Thanks,
Mario
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