The --enable-strict flag adds -O2. Try --enable-strict=noopt. -d On Nov 15, 2012, at 7:06 PM, Yauheni Zelenko wrote:
Hi!
I tried to build optimize and debug version of MPICH 3.0 rc1 and noticed some problems with compiler optimization flags. Looks like -O2 is set implicitly.
For optimize configuration command like contains -O2 and -O3:
./configure --prefix=${InstallDir} \ --with-pm=hydra --with-device=ch3:nemesis \ --disable-chekpointing \ --enable-strict --enable-fast=O3 \ --disable-f77 --disable-fc \ CC=${GCCDir}/bin/gcc CFLAGS="-m32 -fPIC" \ CPP=${GCCDir}/bin/cpp \ CXX=${GCCDir}/bin/g++ CXXFLAGS="-m32 -fPIC" \ CXXCPP=${GCCDir}/bin/cpp
For debug one -O2, but optimization is disabled:
./configure --prefix=${InstallDir} \ --with-pm=hydra --with-device=ch3:nemesis \ --disable-chekpointing \ --enable-strict --disable-fast -enable-g=debug \ --disable-f77 --disable-fc \ CC=${GCCDir}/bin/gcc CFLAGS="-m32 -fPIC" \ CPP=${GCCDir}/bin/cpp \ CXX=${GCCDir}/bin/g++ CXXFLAGS="-m32 -fPIC" \ CXXCPP=${GCCDir}/bin/cpp
Eugene. _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss