g++/GNU ld/position independent libraries

Bill Hoffman bill.hoffman@kitware.com
Fri Jan 18 07:34:00 GMT 2002


At 12:39 PM 1/18/2002 +0000, Jason Merrill wrote:
>>>>>> "William" == William A Hoffman <bill.hoffman@kitware.com> writes:
>
>> At 10:47 AM 1/18/2002 +0000, Jason Merrill wrote:
>>> GCC shared libraries should always be built with gcc -shared.  -nostdlib is
>>> wrong.
>
>> OK, I'll bite, how should they be built?  I guess you would have to figure
>> out if the libstdc++ was built shared or
>> not then add or remove the -nostdlib?   If libstdc++ is built static then
>> you have to have the -nostdlib.
>
>Why?  The gcc driver doesn't link against libstdc++.

But for linking c++, I thought you should use the c++ driver.
c++ -shared -o libfoo.so foo.o

In previous versions of gcc, if you did this:
gcc -shared -o libfoo.so foo.o

Globals would not be initialized properly, (no constructor calls)

At what version of gcc did that stop happening?




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