[flac-dev] replace -Wextra with -W

[Erik de Castro Lopo]

Ozkan Sezer wrote:

> The attached small configury patch replaces -Wextra with -W in the
> main CFLAGS and CXXFLAGS assignments. A few lines after them, -Wextra
> is conditionally added already with XIPH_ADD_CFLAGS([-Wextra]), so
> this allows build using older compilers.

Which older compilers do not support -Wextra?

Erik
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Erik de Castro Lopo
http://www.mega-nerd.com/