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| author | Diego Novillo <dnovillo@gcc.gnu.org> | 2009-10-03 17:10:11 -0400 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 2009-10-03 17:10:11 -0400 |
| commit | d7f09764d7bc66b9997c811c22e11efc87b44792 (patch) | |
| tree | 3a9882bd235e5026410e5397a5e46a97ece50b48 /gcc/c-opts.c | |
| parent | b06e51a0c9852e7fb7c6f589b46f6906ce48febd (diff) | |
| download | gcc-d7f09764d7bc66b9997c811c22e11efc87b44792.zip gcc-d7f09764d7bc66b9997c811c22e11efc87b44792.tar.gz gcc-d7f09764d7bc66b9997c811c22e11efc87b44792.tar.bz2 | |
Merge lto branch into trunk.
From-SVN: r152434
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 e026fd9..6c2f5a5 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 ()) |