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| author | Dave Brolley <brolley@redhat.com> | 2009-07-14 11:27:00 -0400 |
|---|---|---|
| committer | Dave Brolley <brolley@redhat.com> | 2009-07-14 11:27:00 -0400 |
| commit | aa3ed413744f9830c272dbcedc3fffd1974b53ea (patch) | |
| tree | 50d9af2af19ad5a25aa2974d2940057578c92fa6 /buildrun.cxx | |
| parent | ee03b2aaf05b2ffed68f2023c8ea61a6ebb5d0ee (diff) | |
| parent | 011165968c00e4125dfb9ee132e79f65dbea50c4 (diff) | |
| download | systemtap-steved-aa3ed413744f9830c272dbcedc3fffd1974b53ea.tar.gz systemtap-steved-aa3ed413744f9830c272dbcedc3fffd1974b53ea.tar.xz systemtap-steved-aa3ed413744f9830c272dbcedc3fffd1974b53ea.zip | |
Merge branch 'master' of git://sources.redhat.com/git/systemtap
Conflicts:
main.cxx
Diffstat (limited to 'buildrun.cxx')
| -rw-r--r-- | buildrun.cxx | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/buildrun.cxx b/buildrun.cxx index b77eac14..9ebd4796 100644 --- a/buildrun.cxx +++ b/buildrun.cxx @@ -187,7 +187,16 @@ compile_pass (systemtap_session& s) // if (s.keep_tmpdir) // o << "CFLAGS += -fverbose-asm -save-temps" << endl; - o << "EXTRA_CFLAGS += " << s.gcc_flags << endl; // Add -O[0123s] + // 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 + + // We used to allow the user to override default optimization when so + // requested by adding a -O[0123s] so they could determine the + // time/space/speed tradeoffs themselves, but we cannot guantantee that + // the (un)optimized code actually compiles and/or generates functional + // code, so we had to remove it. + // o << "EXTRA_CFLAGS += " << s.gcc_flags << endl; // Add -O[0123s] // o << "CFLAGS += -fno-unit-at-a-time" << endl; |