Red Hat Bugzilla – Bug 742780
libreoffice-sdk: settings.mk adds an extra -O when building extensions
Last modified: 2013-02-20 12:03:47 EST
Description of problem:
settings.mk adds the -O switch to CC_FLAGS, but Fedora's $RPM_OPT_FLAGS, which should be passed to the extension build, already define -O2. This makes the -O unnecessary.
Version-Release number of selected component (if applicable):
libreoffice-sdk-18.104.22.168-6.fc15 and the 3.4 versions if F-16
Come on, does it really bother you so much?
Well, we do generally have a policy to try and use the same flags everywhere. -O/-O2 probably isn't that big a deal, but we should be seeing -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 appear in there too, or at least be possible to insert into them when we build an c++ extension from a .spec
@vpvainio: btw, looking into this, I note that at least <http://pkgs.fedoraproject.org/gitweb/?p=libreoffice-voikko.git;a=blob;f=libreoffice-voikko.spec;h=2e38aef27f9bd7735d64ed9baa1a10ac0ec4f3c9;hb=1143e45369c65ecec8e6db0ea9eed613c1bcb8f7#l45> sets OPT_FLAGS that appears to be completely unused in libreoffice?
(In reply to comment #3)
> @vpvainio: btw, looking into this, I note that at least
> sets OPT_FLAGS that appears to be completely unused in libreoffice?
I'm not sure I understand what you mean. The Makefile in libreoffice-voikko does use OPT_FLAGS like this:
VOIKKO_CC_FLAGS=$(OPT_FLAGS) $(WARNING_FLAGS) -Ibuild/hpp -I$(PRJ)/include/stl -I$(PRJ)/include
and when building the cpp files:
$(CC) $(CC_FLAGS) $(VOIKKO_CC_FLAGS) $(CC_DEFINES) $(VOIKKO_CC_DEFINES) $(CC_OUTPUT_SWITCH)$@ $<
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The process we are following is described here:
libreoffice-sdk-22.214.171.124-8.fc19 will allow "make OPT_FLAGS=..." to override any optimization/debugging flags set in the SDK's settings.mk, see upstream <http://cgit.freedesktop.org/libreoffice/core/commit/?id=a14eedf997daf30379ceabc1933273360d4d3188> "rhbz#742780: Let make OPT_FLAGS=... override SDK optimization/debugging flags."