tjh.dev
rtl-sdr: add "Require: libusb-1.0" to pkg-config file
So that building 3rd party code works out of the box. (E.g. building
dump1090[1] works now).
[1]: https://github.com/antirez/dump1090
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pkgs/applications/misc/rtl-sdr/default.nix
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pkgs/applications/misc/rtl-sdr/default.nix
···
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buildInputs = [ cmake pkgconfig libusb1 ];
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# Building with -DINSTALL_UDEV_RULES=ON tries to install udev rules to
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# /etc/udev/rules.d/, and there is no option to install elsewhere. So install
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# rules manually.
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postInstall = ''
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mkdir -p "$out/etc/udev/rules.d/"
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cp ../rtl-sdr.rules "$out/etc/udev/rules.d/99-rtl-sdr.rules"
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'';
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meta = with stdenv.lib; {
···
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buildInputs = [ cmake pkgconfig libusb1 ];
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# TODO: get these fixes upstream:
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# * Building with -DINSTALL_UDEV_RULES=ON tries to install udev rules to
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# /etc/udev/rules.d/, and there is no option to install elsewhere. So install
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# rules manually.
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# * Propagate libusb-1.0 dependency in pkg-config file.
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postInstall = ''
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mkdir -p "$out/etc/udev/rules.d/"
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cp ../rtl-sdr.rules "$out/etc/udev/rules.d/99-rtl-sdr.rules"
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pcfile="$out"/lib/pkgconfig/librtlsdr.pc
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grep -q "Requires:" "$pcfile" && { echo "Upstream has added 'Requires:' in $(basename "$pcfile"); update nix expression."; exit 1; }
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echo "Requires: libusb-1.0" >> "$pcfile"
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'';
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meta = with stdenv.lib; {