Le 19 juin 09 à 07:04, Boey Maun Suang a écrit :
Hi Daniel,
On 19/06/2009, at 8:29 AM, Daniel J. Luke wrote:
If the reason why it needs to be the same path everywhere is
because of the install name for the shared libraries that come
with the bootstrap compiler, then the DYLD_* variables can be used
to make it a non-issue.
Ah, I'd forgotten that DYLD_LIBRARY_PATH is checked before the
install path name, but unfortunately that's not the only reason why
the prefix matters, and I'm not confident that the other reason
that I have found is the only one. (The other place in which I've
found it is libexec/gcc/i386-apple-darwin9.6.0/4.3.3/install-tools/
mkheaders, which is a shell script, and it looks like patching it
or setting an environment variable should take care of the prefix
there.)
If someone can confirm that those are the only ways in which the
prefix matters in GCC, then I'd be confident that using
DYLD_LIBRARY_PATH and patching/setting a variable for mkheaders
would be fine, and thus that we could put the bootstrap in $
{destroot}. Until then, though, I'm inclined to stick with putting
it in /var/tmp.
i don't know entrails of gcc, but
i can use http://homepage.mac.com/awreynolds/.Public/Ada/PowerPC/fsf-
ppc-ada-4.3-20071215-10.4-most-langs.tgz
where i want without any problem :-)
http://homepage.mac.com/awreynolds/.Public/Ada/PowerPC/fsf-ppc-
ada-4.3-20080203-10.4-most-langs.tgz
asks for /usr/local/lib/libmpfr.1.dylib,
which is not provided by itself,
but with DYLD_FALLBACK_LIBRARY_PATH=my-path-to-macports/lib ,
i can use it where i want without any problem :-)
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