Armin K. wrote:
On 12/11/2014 06:34 AM, Bruce Dubbs wrote:
Tim Tassonis wrote:
Hi List
...
3. no static libgcc and libstdc++ from gcc compile
The build instruction for stage 2 in "6.17. GCC-4.9.2" works perfectly,
but does not build static versions of libgcc and libstdc++. From a
run-time dependency view on systems with very few c++ programs (an
LFS-based system. for instance...) and, as I have read, also from a
general binary software distribution point-of-view for c++ programs, it
is nice to have the possibility of linking those two libraries
statically to a binary. It maybe could be mentioned in the book that
this can be achieved by adding --enable-static='libgcc,libstdc++' to the
configuration of gcc. Then, both static and dynamic versions of the
libraries are built and any c++ program might then link them statically
by specifying LDFLAGS='-static-libgcc -static-libstdc++' at the link
stage.
Perhaps we ought to consider this. What do other devs think?
Since when do we disable them?
I do have these and they are also listed in the contents (although my
build script is based on a bit older instructions). libstdc++.a is in
/usr/lib and libgcc.a is in /usr/lib/gcc/x86_64-unknown-linux-gnu/4.9.2.
I dont' see any --disable-static switch.
You're right Armin. I checked the book and didn't see any --disable
instructions, but I didn't check the file system! We do indeed have
both those static files.
-- Bruce
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