Currently gdal requires libungif. The patch below allows giflib to fulfill the gif requirement. Giflib and libungif are API and ABI compatible. --- /home/gentoo/portage/sci-libs/gdal/gdal-1.3.1.ebuild 2005-10-25 03:22:14.000000000 -0400 +++ /home/gentoo/local/portage/sci-libs/gdal/gdal-1.3.1.ebuild 2005-10-25 11:42:01.000000000 -0400 @@ -21,7 +21,7 @@ >=media-libs/tiff-3.7.0 sci-libs/libgeotiff jpeg? ( media-libs/jpeg ) - gif? ( media-libs/libungif ) + gif? ( || ( media-libs/libungif media-libs/giflib ) ) png? ( media-libs/libpng ) python? ( dev-lang/python ) fits? ( sci-libs/cfitsio )
Steve: Depending on libungif is not appropriate anymore, see bug 85720.
giflib should be fine by itself...