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Re: gcc: .rdata problem


Dave Korn wrote:

----Original Message----

From: Charles Wilson
Sent: 12 July 2005 01:27


I dunno about the .rdata issue, but you can't use /usr/bin/libtool with
g++-3.4.4 because /usr/bin/libtool encodes explicit predep and postdep
objects and paths specific to g++-3.3.3.


Long term fix: I need to release libtool packages in sync with gcc
releases.  Look for a g++-3.4.4 compatible (but g++-3.3.3 INcompatible)
libtool1.5 update soon.



dk@mace /artimi/firmware> grep 3.3.3 /bin/libtool
predep_objects="/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/crtbegin.o"
postdep_objects="/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/crtend.o"
compiler_lib_search_path="-L/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3
-L/usr/lib/gcc
-lib/i686-pc-cygwin/3.3.3/../../.."
dk@mace /artimi/firmware>

  Hey, why not extract that stuff from gcc somehow?  The -print-search-dirs
output could be manipulated to give you that stuff, couldn't it?

Why wasn't this included in the specs?


Anyway, since crt* .o object files are no longer present in 3.4,
simply checking which version is used should do it:

$ gcc --version | grep 3.3 && echo true

$ gcc --version | grep 3.4 && echo true
gcc (GCC) 3.4.4 (cygming special) (gdc 0.12, using dmd 0.125)
true

Depending on the result, define *dep_objects or leave it undefined.


Gerrit


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