http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50909
Bug #: 50909
Summary: Process "#pragma options align=reset" correctly on Mac
OS X
Classification: Unclassified
Product: gcc
Version: 4.6.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: objc
AssignedTo: [email protected]
ReportedBy: [email protected]
Created attachment 25656
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25656
The patch.
I recently discovered that this program
#include <IOKit/usb/USB.h>
#pragma pack(1)
int main() {
return 0;
}
#pragma options align=reset
doesn't compile and gives the error
too many #pragma options align=reset
Notice that the program includes "IOKit/usb/USB.h". In that file, pragmas are
used like:
#pragma pack(1)
...
#pragma options align=reset
This gives the error because "#pragma pack(1)" is invisible to the relevant
logic in "gcc/config/darwin-c.c". As such, I've attached a patch,
"patch-pragmas.diff", that unifies said logic with the main pragma logic in
"gcc/c-family/c-pragma.c".
If the currently observed behavior for the test program is the intended
behavior, please close this bug and ignore the patch.
