> I have found two cases in libc headers where it uses #if <foo> instead of > #ifdef <foo> which will give a warning with the proper -W options to gcc. > > The instances are: > > usr/include/math.h: > #if __USE_ISOC99 > <several instances> > > usr/include/bits/string2.h: > #if _STRING_ARCH_unaligned > > Both should probably be changed to #ifdef, at least __USE_ISOC99 is used > as an ifdef in other places in the same file.
Your observations seems fine. However which gcc option did you get warnings with these headers? I welcome you with a sample test program. Regards, -- gotom -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
