[LLVMdev] Clang predefined macros with -fPIC and -fPIE

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Siraj, Tareq A

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Oct 3, 2012, 11:57:55 AM10/3/12

to llv...@cs.uiuc.edu

Hello everyone,
Clang seems to only define __PIE__ when both –fPIC and –fPIE is used in the command line whereas gcc defines both __PIC__ and __PIE__. Is this intended or a bug in clang? Thanks.

Command line:
clang -fPIC -fPIE -dM -E - < /dev/null | grep __PI

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Tareq

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Eric Christopher

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Oct 3, 2012, 1:30:00 PM10/3/12

to Siraj, Tareq A, llv...@cs.uiuc.edu

On Wed, Oct 3, 2012 at 8:57 AM, Siraj, Tareq A <tareq....@intel.com> wrote:
> Hello everyone,
> Clang seems to only define __PIE__ when both –fPIC and –fPIE is used in the command line whereas gcc defines both __PIC__ and __PIE__. Is this intended or a bug in clang? Thanks.
>
> Command line:
> clang -fPIC -fPIE -dM -E - < /dev/null | grep __PI
>