configury: add -Zargs-resp to LDFLAGS on OS/2.

-Zargs-resp enables a response file support on OS/2.
* configure.ac (OS2_LDFLAGS): Add -Zargs-resp on *-*-os2*.
* Makefile.am (AM_LDFLAGS): Add OS2_LDFLAGS.

Signed-off-by: Gary V. Vaughan <gary@gnu.org>
2 files changed