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On 12/16/19 20:52, Rich Freeman wrote: |
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> On Mon, Dec 16, 2019 at 2:25 PM n952162 <n952162@×××.de> wrote: |
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>> It's strange ... on coming home, I see that my machine here can display |
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>> all the usual filetypes and has *no* use flags: |
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>> |
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>> media-gfx/imagemagick-7.0.8.11 |
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>> |
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>> I'm still curious what that "USE flags" section in the package document |
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>> represents. |
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>> |
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> Without fetching an out-of-date repo I have no idea what 7.0.8.11 |
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> supported as it is no longer in the repo. However, 7.0.9.8 supports: |
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> |
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> equery uses '=media-gfx/imagemagick-7.0.9.8' |
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> [ Legend : U - final flag setting for installation] |
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> [ : I - package is installed with flag ] |
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> [ Colors : set, unset ] |
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> * Found these USE flags for media-gfx/imagemagick-7.0.9.8: |
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> U I |
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> + + X : Add support for X11 |
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> + + bzip2 : Use the bzlib compression library |
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> + + corefonts : Use media-fonts/corefonts which is required by some commands |
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> + + cxx : Build support for C++ (bindings, extra libraries, |
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> code generation, ...) |
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> - - djvu : Support DjVu, a PDF-like document format esp. |
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> suited for scanned documents |
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> - - fftw : Use FFTW library for computing Fourier transforms |
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> - - fontconfig : Support for configuring and customizing font access |
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> via media-libs/fontconfig |
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> - - fpx : Enable media-libs/libfpx support |
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> - - graphviz : Add support for the Graphviz library |
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> - - hdri : Enable High Dynamic Range Images formats |
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> - - heif : Enable support for ISO/IEC 23008-12:2017 HEIF/HEIC |
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> image format using media-libs/libheif |
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> - - jbig : Enable jbig-kit support for tiff, Hylafax, ImageMagick, etc |
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> + + jpeg : Add JPEG image support |
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> + + jpeg2k : Support for JPEG 2000, a wavelet-based image |
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> compression format |
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> + + lcms : Add lcms support (color management engine) |
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> - - lqr : Enable experimental liquid rescale support using |
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> media-libs/liblqr |
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> + + lzma : Support for LZMA (de)compression algorithm |
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> - - openexr : Support for the OpenEXR graphics file format |
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> + + openmp : Build support for the OpenMP (support parallel |
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> computing), requires >=sys-devel/gcc-4.2 built with USE="openmp" |
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> + + pango : Enable Pango support using x11-libs/pango |
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> - - perl : Add optional support/bindings for the Perl language |
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> + + png : Add support for libpng (PNG images) |
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> - - postscript : Enable support for the PostScript language (often |
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> with ghostscript-gpl or libspectre) |
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> - - q32 : Set quantum depth value to 32 |
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> - - q8 : Set quantum depth value to 8 |
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> - - raw : Add support for raw image formats |
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> - - static-libs : Build static versions of dynamic libraries as well |
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> + + svg : Add support for SVG (Scalable Vector Graphics) |
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> - - test : Enable dependencies and/or preparations necessary |
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> to run tests (usually controlled by FEATURES=test but can be toggled |
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> independently) |
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> + + tiff : Add support for the TIFF image format |
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> + + truetype : Add support for FreeType and/or FreeType2 fonts |
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> - - webp : Add support for the WebP image format |
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> - - wmf : Add support for the Windows Metafile vector image format |
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> + + xml : Add support for XML files |
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> + + zlib : Add support for zlib (de)compression |
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> |
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> |
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> I'm pretty skeptical that the older version supported no USE flags. |
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> How are you coming to this conclusion? |
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> |
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|
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$ cat /etc/portage/package.use/* |
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>=dev-lang/python-3.6.5 sqlite |
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>=sys-apps/util-linux-2.32-r4 static-libs |
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app-misc/jq oniguruma |
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>=net-analyzer/rrdtool-1.6.0-r1 graph perl |
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mail-client/mutt imap |
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=dev-libs/openssl-1.1.1 ~x86 |
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>=dev-lang/python-2.7.15:2.7 sqlite |
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>=sys-libs/zlib-1.2.11-r2 minizip |
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|
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$ ls /etc/portage/package.use/* |
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/etc/portage/package.use/firefox /etc/portage/package.use/mutt |
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/etc/portage/package.use/genkernel /etc/portage/package.use/nfs |
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/etc/portage/package.use/hwinfo /etc/portage/package.use/thunderbird |
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/etc/portage/package.use/jq /etc/portage/package.use/vlc |
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/etc/portage/package.use/munin |
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|
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That's good, the equery example. |
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