Support -plugin-opt=disable-output
LLVM plugin uses --plugin-opt=disable-output to disable output.
all_symbols_read_hook() calls exit() to disable output when
--plugin-opt=disable-output is passed to LLVM plugin. This patch
registers plugin_cleanup() with atexit(), which removes output file
if --plugin-opt=disable-output is used.
PR ld/17878
* configure.ac: Check if atexit exists.
* config.in: Regenerated.
* configure: Likewise.
* plugin.c (plugin_t): Add disable_output.
(plugin_opt_plugin_arg): Set disable_output for disable-output.
(plugin_cleanup): New.
(plugin_load_plugins): Register plugin_cleanup() with atexit().
4 files changed
