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| author | Tor Lillqvist <tml@collabora.com> | 2013-09-09 21:12:31 +0300 |
|---|---|---|
| committer | Tor Lillqvist <tml@collabora.com> | 2013-09-09 21:14:17 +0300 |
| commit | 732e8c62ace83522ef0c48c99a26f0bd54cd9d22 (patch) | |
| tree | 7f7191542ecb0a2c7e87289acbc0a03e31f08c04 /solenv | |
| parent | 788dec27c2e04618483cb7b5a53afc6f299296ce (diff) | |
Add comment about our choice of gb_COMPILEROPTFLAGS
Change-Id: Iaeb9e1637ab4b85735a44f7cd5428e0e0c47c91d
Diffstat (limited to 'solenv')
| -rw-r--r-- | solenv/gbuild/platform/com_MSC_defs.mk | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/solenv/gbuild/platform/com_MSC_defs.mk b/solenv/gbuild/platform/com_MSC_defs.mk index e6a1155bb32c..374ded054718 100644 --- a/solenv/gbuild/platform/com_MSC_defs.mk +++ b/solenv/gbuild/platform/com_MSC_defs.mk @@ -275,6 +275,15 @@ gb_CFLAGS+=$(gb_DEBUG_CFLAGS) gb_CXXFLAGS+=$(gb_DEBUG_CFLAGS) endif +# The optimisation options here might seem like micro-management (see +# http://www.ffuts.org/blog/dont-spend-time-micromanaging-optimization-options-in-visual-c/ +# ), and the exact rationale for this selection of options for +# gb_COMPILEROPTFLAGS is probably lost in history. We used -Ob1 -Oxs +# -Oy- already in OOo 3.2 at least. + +# Anyway, changing it to just -O2 broke unit tests. So there must be +# some reason for this particular choice. And if you want to change it +# to something simpler, please run a full make check;) gb_COMPILEROPTFLAGS := -Ob1 -Oxs -Oy- gb_COMPILERNOOPTFLAGS := -Od |