diff options
Diffstat (limited to 'gcc/c-opts.c')
| -rw-r--r-- | gcc/c-opts.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/c-opts.c b/gcc/c-opts.c index e026fd97dc7..6c2f5a59cd3 100644 --- a/gcc/c-opts.c +++ b/gcc/c-opts.c @@ -1033,6 +1033,29 @@ c_common_post_options (const char **pfilename) C_COMMON_OVERRIDE_OPTIONS; #endif + if (flag_lto || flag_whopr) + { +#ifdef ENABLE_LTO + flag_generate_lto = 1; + + /* When generating IL, do not operate in whole-program mode. + Otherwise, symbols will be privatized too early, causing link + errors later. */ + flag_whole_program = 0; + + /* FIXME lto. Disable var-tracking until debug information + is properly handled in free_lang_data. */ + flag_var_tracking = 0; +#else + error ("LTO support has not been enabled in this configuration"); +#endif + } + + /* Reconcile -flto and -fwhopr. Set additional flags as appropriate and + check option consistency. */ + if (flag_lto && flag_whopr) + error ("-flto and -fwhopr are mutually exclusive"); + /* Excess precision other than "fast" requires front-end support. */ if (c_dialect_cxx ()) |