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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/fortran/options.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/fortran/options.c')
| -rw-r--r-- | gcc/fortran/options.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/fortran/options.c b/gcc/fortran/options.c index 3e20f8e..d2c6d9b 100644 --- a/gcc/fortran/options.c +++ b/gcc/fortran/options.c @@ -242,6 +242,28 @@ gfc_post_options (const char **pfilename) if (flag_whole_program) gfc_option.flag_whole_file = 1; + 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; + + /* But do enable whole-file mode. */ + gfc_option.flag_whole_file = 1; +#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"); + /* -fbounds-check is equivalent to -fcheck=bounds */ if (flag_bounds_check) gfc_option.rtcheck |= GFC_RTCHECK_BOUNDS; |