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| author | Austin Seipp <aseipp@pobox.com> | 2018-02-21 01:24:36 -0600 |
|---|---|---|
| committer | Austin Seipp <aseipp@pobox.com> | 2018-03-02 21:20:54 -0600 |
| commit | 0339dc5fae62253c3554619daf9ed01fe2fa4779 (patch) | |
| tree | ebcffdf5c5a17448e03a1a0933b82c8db6f48ef6 /pkgs/development/libraries/libftdi | |
| parent | ae7efee4fa9b219ed1c7a10a0dd66739798450df (diff) | |
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libftdi: enable async mode
Apparently, async mode for libftdi 0.20 is allegedly disabled when using libusb-compat wrappers, as libftdi does not really support libftdi 1.x. Because we only ship libusb-compat, this would normally make async mode completely unavailable. Except distributions like Ubuntu just disable this check completely! See this patch from Launchpad: https://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/libftdi/trusty/view/head:/debian/patches/04_async_mode.diff In the spirit of good competition (and feature parity for software that *doesn't* support the synchronous mode, thanks to Ubuntu silently ensuring their async-only paths work) we enable this just the same. Signed-off-by: Austin Seipp <aseipp@pobox.com>
Diffstat (limited to 'pkgs/development/libraries/libftdi')
| -rw-r--r-- | pkgs/development/libraries/libftdi/default.nix | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pkgs/development/libraries/libftdi/default.nix b/pkgs/development/libraries/libftdi/default.nix index 2f499d3af87..fff760c5519 100644 --- a/pkgs/development/libraries/libftdi/default.nix +++ b/pkgs/development/libraries/libftdi/default.nix @@ -14,6 +14,14 @@ stdenv.mkDerivation rec { # Hack to avoid TMPDIR in RPATHs. preFixup = ''rm -rf "$(pwd)" ''; + configureFlags = [ "--with-async-mode" ]; + + # allow async mode. from ubuntu. see: + # https://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/libftdi/trusty/view/head:/debian/patches/04_async_mode.diff + patchPhase = '' + substituteInPlace ./src/ftdi.c \ + --replace "ifdef USB_CLASS_PTP" "if 0" + ''; meta = { description = "A library to talk to FTDI chips using libusb"; |