Optimization level per-compiler?
Optimization level per-compiler?
- Subject: Optimization level per-compiler?
- From: Dirk Stegemann <email@hidden>
- Date: Mon, 30 Jan 2006 16:48:20 +0200
Hello all,
I'm building a Universal binary successfully by setting
GCC_VERSION_i386 4.0
GCC_VERSION_ppc 3.3
MACOSX_DEPLOYMENT_TARGET 10.2
MACOSX_DEPLOYMENT_TARGET_i386 10.4
MACOSX_DEPLOYMENT_TARGET_ppc 10.2
SDKROOT_i386 /Developer/SDKs/MacOSX10.4u.sdk
SDKROOT_ppc /Developer/SDKs/MacOSX10.2.8.sdk
Unfortunately I'm encountering crashes in the ppc version when
optimization level is set to "Fastest, Smallest [-Os]" (using GCC
3.3). The crashes vanish when I lower the optimization level to
"Fast" (-O2).
Until the sources are fixed (which will take a while), I'm
comfortable to stick to the lower optimization level.
On the other hand, the i386 binaries are working fine (compiled using
GCC 4.0). Testing has made good progress so far and I'd like to avoid
having the i386 binary re-compiled (and thus re-tested) just to make
the ppc binary work.
So, I'd like to adjust the optimization level per-compiler.
Something like
"GCC_OPTIMIZATION_LEVEL_i386" / "GCC_OPTIMIZATION_LEVEL_ppc"
or
"GCC_OPTIMIZATION_LEVEL_40 / "GCC_OPTIMIZATION_LEVEL_33"
would be great.
Does anybody know of such settings?
Otherwise, I'd have to clone my Universal target, set those targets
to build ppc and i386 binaries, respectively, and then create a third
target which somehow creates the Universal binary out of the build
results of the ppc/i386 targets, right?
Any advice would be appreciated!
Regards,
Dirk Stegemann
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