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Re: g++/GNU ld/position independent libraries
From: |
Jason Merrill |
Subject: |
Re: g++/GNU ld/position independent libraries |
Date: |
Fri, 18 Jan 2002 12:56:41 +0000 |
User-agent: |
Gnus/5.090004 (Oort Gnus v0.04) Emacs/21.1 (i686-pc-linux-gnu) |
>>>>> "Bill" == Bill Hoffman <address@hidden> writes:
> At 12:39 PM 1/18/2002 +0000, Jason Merrill wrote:
>>>>>>> "William" == William A Hoffman <address@hidden> 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?
The gcc and c++ drivers have never been different in that respect; the only
differences are that the c++ driver treats .c files as C++ and links against
libstdc++.
Jason