Thank you -Jon
-----Original Message----- From: Matt McCormick [mailto:matt.mccorm...@kitware.com] Sent: Monday, May 22, 2017 5:01 PM To: Lefman, Jonathan <jonathan.lef...@intel.com> Cc: insight-developers@itk.org Subject: Re: [ITK-dev] How to override optimization compile flag? Hi Jon, This can be disabled by setting CMAKE_BUILD_TYPE to an empty string. The default is "Release", which adds the -O3 flag. HTH, Matt On Mon, May 22, 2017 at 4:55 PM, Lefman, Jonathan <jonathan.lef...@intel.com> wrote: > Hi all, > > > > I am trying to override the -O3 flag using > ITK_CXX_DISABLE_OPTIMIZATION_FLAG in > ITKSetStandardCompilerFlags.cmake. It is not obvious how this is > supposed to work. When I set ITK_CXX_DISABLE_OPTIMIZATION_FLAG in the cmake > command or in CMAKE_CXX_FLAGS=’-O0’, the flag is overridden: > > > > icpc: command line remark #10120: overriding '-O0' with '-O3' > > > > Example: > > > > # CMAKE generated file: DO NOT EDIT! > > # Generated by "Unix Makefiles" Generator, CMake Version 3.8 > > > > # compile CXX with > /opt/intel/compilers_and_libraries_2017.1.132/linux/bin/intel64/icpc > > CXX_FLAGS = -O0 -w2 -wd1268 -wd981 -wd383 -wd1418 -wd1419 -wd2259 > -wd1572 > -wd424 -Wdisabled-optimization -Wextra -Wformat=2 -Winvalid-pch > -Wpointer-arith -Wshadow -Wunused -Wwrite-strings -Wno-deprecated > -Wno-invalid-offsetof -Woverloaded-virtual -O3 -DNDEBUG –fPIE > > > > I do see another variable “CXX_HAS_DISABLE_OPTIMIZATION_FLAG” but it > is reported as unused by cmake. Please let me know the right way to > remove the > -O3 flag. Thanks very much. > > > > -Jon > > > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Kitware offers ITK Training Courses, for more information visit: > http://kitware.com/products/protraining.php > > Please keep messages on-topic and check the ITK FAQ at: > http://www.itk.org/Wiki/ITK_FAQ > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/insight-developers > _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Kitware offers ITK Training Courses, for more information visit: http://kitware.com/products/protraining.php Please keep messages on-topic and check the ITK FAQ at: http://www.itk.org/Wiki/ITK_FAQ Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/insight-developers
