This reverts commit 1c11b857fe.
On windows, libtcc.c is compiled with ONE_SOURCE and then tcc.c is
linked to it. Thus tcc.c can only use public functions which cstr_* are
not.
elements in linker_arg are used in TCCState structure and must thus not
be freed when option parsing is finished. Declare linker_arg as a global
static variable and free it after tcc_delete has been called on TCCState
structure.
This fix commit 7fb0482a46
ld support arguments to multiple-letter options being passed in two
ways:
* -opt=arg
* -opt arg
libtool generate command line of the second form. This commit add
support for the second form so that libtool works with tcc. The way it
is done is to concatenate all -Wl options into one and then pass it to
set_linker.
Remove the previous logic to link a named file with a loader script by
using tcc_add_dll instead. Hence, all files can be linked, not only
files ending in .so/.def.