[Qt-creator] Cannot override default CXXFLAGS

[Charles N Burns]

Thank you for the reply. Unfortunately, adding "-= (flags)" seems to
have no effect.

I tried the following:
 * Build -> Clean All then Build -> Rebuild All
 * Closed/reopened Qt Creator and did previous step
 * Compiled both debug and release versions.
 * Threw an exception in main()

Attached is a screenshot showing the .pro and the actual compile flags used.

Best regards,

--Charles Burns

On Sat, Feb 7, 2009 at 3:38 AM, Andre Poenitz
<andre.poenitz at mathematik.tu-chemnitz.de> wrote:
> On Fri, Feb 06, 2009 at 10:34:21PM -0700, Charles N Burns wrote:
>> I cannot figure out how to override Qt Creator's CXXFLAGS setting. I
>> tried adding this to the .PRO:
>>
>>     QMAKE_CXXFLAGS += -fno-rtti -fno-exceptions
>>
>> This does not work because the defaults include "-frtti -fexceptions"
>> and these appear after QMAKE_CXXFLAGS on the command line, so they
>> override the flags even when I specify them. The actual flags used
>> according to the compiler output are:
>>     g++ -c -fno-rtti -fno-exceptions -O2 -frtti -fexceptions -mthreads
>> -Wall [...]
>
> Try
>
>    QMAKE_CXXFLAGS -= -frtti -fexceptions
>    QMAKE_CXXFLAGS += -fno-rtti -fno-exceptions
>
> Andre'
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