Use dev-libs/boost to provide TR1-compatible functional interface. This USE flag is only needed with GCC earlier than version 4.1, or with other compilares not providing said interface.

Packages describing “boost” as local USE flag

Package “boost” Flag Description
net-libs/wvstreams Use dev-libs/boost to provide TR1-compatible functional interface. This USE flag is only needed with GCC earlier than version 4.1, or with other compilares not providing said interface.
sci-libs/vtk Add support for boost
app-i18n/ibus-libpinyin Compile against dev-libs/boost libraries
app-i18n/pyzy Enable support for dev-libs/boost
app-office/scribus Enable support for Boost based enhancement
app-text/podofo Add support for boost
media-sound/vimpc Use boost instead of C++11 libraries
sci-visualization/paraview Enable the usage of dev-libs/boost
dev-libs/botan Use dev-libs/boost
dev-libs/msgpack Enable boost support
app-i18n/ibus-pinyin Enable support for dev-libs/boost
sci-mathematics/petsc Use boost (dev-libs/boost)
app-pda/barry Enable boost support
sci-libs/trilinos Add support for boost (dev-libs/boost)
app-text/poppler Use boost::small_vector for a serious performance gain
dev-games/ogre Enable boost support
sci-libs/symengine Add support for boost integers(dev-libs/boost)
sci-mathematics/eclib Add parallel capabilities using dev-libs/boost.
sci-libs/adolc Use the boost allocator from dev-libs/boost
virtual/podofo-build Add support for boost

All packages providing a “boost” USE flag (13)