GCC 4.3.2 ignores -I. if used with other -I directives?!

[Angel Tsankov]

Angel Tsankov wrote:
> Angel Tsankov wrote:
>> [..] the -I. option seems to be ignored.
>
> A further investigation reveals that GCC ignore not only "-I." but
> also "-I<full path to current directory>".
>
Still further investigation shows that versions 2.95.4, 3.0.4, and 3.1.1 
take into account "-I<any path to current directory>", while versions 
3.2.3 and 4.3.2 ignore such options.  Any ideas why?

Angel