[CMake] Xcode generator results in a project file without optimization

[Siyuan Ren]

Version 7.3.1 (7D1014)

On Mon, May 9, 2016 at 10:03 PM, Gregor Jasny <gjasny at googlemail.com> wrote:
> On 02/05/16 11:16, Siyuan Ren wrote:
>> I have CMake 3.5.2.
>>
>> I write a simple CMakeLists.txt like the below
>>
>> ```
>> project(mytest)
>> add_executable(mytest test.cpp)
>> ```
>>
>> Then generate the Xcode project file with `cmake -G Xcode .`. Open the
>> project file in Xcode, and I found the optimization level on all kinds
>> of build, including "Debug", "Release", "RelWithDebInfo",
>> "MinSizeRel", to be "None (-O0)".
>>
>> Do I do something wrong? Or CMake Xcode generator cannot even handle
>> the simplest project right?
>
> Works for me:
> xcodebuild -showBuildSettings -target mytest -configuration Release|grep
> OPTIMI
>     GCC_OPTIMIZATION_LEVEL = 3
>
>
> Which version of Xcode do you use?