Re: Libtool API suggestion: LTDL_SHLIB_PRE and/or char* ltdl_map_shared_name(const char* name)

[Alexandre Oliva]

On Aug 23, 2005, Albert Chin <address@hidden> wrote:

>> [2] ltdl.c from HEAD:
>> 812               if (strncmp(p, "-l", 2) == 0)
>> 813                 {
>> 814                   size_t name_len = 3+ /* "lib" */ LT_STRLEN (p
>> + 2);
>> 815                   name = MALLOC (char, 1+ name_len);
>> 816                   if (name)
>> 817                     sprintf (name, "lib%s", p+2);
>> 818                 }

>> From inspection, this appears wrong. It doesn't honor
> $need_lib_prefix.

I don't think it should.  need_lib_prefix refers to whether dlopen et
al support loading libraries that don't start with lib.  It's
unrelated with what the linker (ld, not ld.so) does with `-lname' to
find the library to link with, which is what ltdl.c is trying to do
here.  Prepending lib unconditionally here is the right thing to do,
unless the linker actually does something different.  I don't know of
any linker that searches for say foo.a when given -lfoo.

-- 
Alexandre Oliva         http://www.lsd.ic.unicamp.br/~oliva/
Red Hat Compiler Engineer   address@hidden, gcc.gnu.org}
Free Software Evangelist  address@hidden, gnu.org}