How to check for "--gcc" setting in code in CCS 5?

audiodane

Hello--

After spending about an hour trying to figure out the problem after switching targets from f2012 to g2402, I re-learned that to enable the packed attribute on a structure definition, I needed to enable gcc support ("--gcc") in the project.

I've since adding an inline note in the code around that structure definition to remind myself for next time, but I was wondering if there is a #define that I can check for ("#ifdef..") in the code and throw an error if it's not enabled?

thanks,
..dane

over 12 years ago

0 Gautam Iyer over 12 years ago

Guru 192875 points

Hi Dane,

Go through this link: http://processors.wiki.ti.com/index.php/GCC_-_Create_a_project

Regards,

Gautam

0 audiodane over 12 years ago in reply to Gautam Iyer

Prodigy 40 points

Thanks Gautam, but I don't see how that link helps me. I am not asking how to setup a GCC project. I am asking how to verify whether or not the --gcc compiler option has been set in my code.

thanks,
..dane

0 Norman Wong over 12 years ago in reply to audiodane

Guru 26430 points

According to document slau132g, __TI_GNU_ATTRIBUTE_SUPPORT__ is defined if --gcc option is used.

0 audiodane over 12 years ago in reply to Norman Wong

Prodigy 40 points

Wow.. How you found that, I have no idea. Thank you so much! That's exactly what I'm looking for. Next question, is there a compiler error assertion mechanism available to us? For now I'm just wrapping the typedef with the #ifdef statement so that if not defined, the structure type just doesn't exist (causing compilation fail).. Asserting an output message would be great if I could.

thanks!
..dane

0 Igor Gorbachev over 12 years ago in reply to audiodane

Guru 20525 points

Hello!

1 An addition to first question

2 http://rtsc.eclipse.org/cdoc-tip/xdc/runtime/Assert.html

also ti\ccsv5\tools\compiler\msp430_4.1.1\include\assert.h

Regards,

Igor

0 Norman Wong over 12 years ago in reply to audiodane

Guru 26430 points

Not sure what you mean by compiler error assertion. At runtime, Igor notes the assert() calls. At compile time, I usually use #error. The TI compiler also supports #warning.

#ifdef __TI_GNU_ATTRIBUTE_SUPPORT__
//Define packed or structure
#else
#error Your error message
#endif

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How to check for "--gcc" setting in code in CCS 5?