diff options
Diffstat (limited to 'buildrun.cxx')
| -rw-r--r-- | buildrun.cxx | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/buildrun.cxx b/buildrun.cxx index b54a0534..9cc9d98a 100644 --- a/buildrun.cxx +++ b/buildrun.cxx @@ -187,6 +187,12 @@ compile_pass (systemtap_session& s) // if (s.keep_tmpdir) // o << "CFLAGS += -fverbose-asm -save-temps" << endl; + // Kernels can be compiled with CONFIG_CC_OPTIMIZE_FOR_SIZE to select + // -Os, otherwise -O2 is the default. + o << "EXTRA_CFLAGS += -freorder-blocks" << endl; // improve on -Os + + // Allow user to override default optimization when so requested. + // Last -OX wins. o << "EXTRA_CFLAGS += " << s.gcc_flags << endl; // Add -O[0123s] // o << "CFLAGS += -fno-unit-at-a-time" << endl; |