package/mesa3d/0002-Fix-runtime-error-with-uClibc.patch

   1 Fix runtime error with uClibc
   2
   3 Patch sent upstream:
   4 http://lists.freedesktop.org/archives/mesa-dev/2015-March/079431.html
   5
   6
   7 From b1dae3cae9df36d9c4f64c342cfe7c106e34ec72 Mon Sep 17 00:00:00 2001
   8 From: Bernd Kuhls <bernd.kuhls@t-online.de>
   9 Date: Sun, 15 Mar 2015 12:23:26 +0100
  10 Subject: [PATCH 1/1] Fix runtime error with uClibc
  11
  12 Patch inspired by
  13 https://www.winehq.org/pipermail/wine-bugs/2011-September/288987.html
  14 http://git.alpinelinux.org/cgit/aports/tree/main/wine/uclibc-fmaxf-fminf.patch?id=c9b491b6099eec02a835ffd05539b5c783c6c43a
  15
  16 Starting an app using mesa3d 10.5.x, Kodi for example, fails:
  17
  18 /usr/lib/kodi/kodi.bin: symbol 'fminf': can't resolve symbol in lib '/usr/lib/dri/i965_dri.so'.
  19 libGL error: unable to load driver: i965_dri.so
  20 libGL error: driver pointer missing
  21 libGL error: failed to load driver: i965
  22 libGL error: unable to load driver: swrast_dri.so
  23 libGL error: failed to load driver: swrast
  24
  25 Here is some background information about the fminf/fmaxf situation in uClibc:
  26 http://thread.gmane.org/gmane.comp.lib.uclibc.general/24189
  27
  28 Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
  29 ---
  30  src/glsl/nir/nir_constant_expressions.py |   12 ++++++++++++
  31  1 file changed, 12 insertions(+)
  32
  33 diff --git a/src/glsl/nir/nir_constant_expressions.py b/src/glsl/nir/nir_constant_expressions.py
  34 index 22bc4f0..139c25a 100644
  35 --- a/src/glsl/nir/nir_constant_expressions.py
  36 +++ b/src/glsl/nir/nir_constant_expressions.py
  37 @@ -50,6 +50,18 @@ static double copysign(double x, double y)
  38  }
  39  #endif
  40
  41 +#ifdef __UCLIBC__
  42 +float fmaxf(float a, float b)
  43 +{
  44 +       return (a > b) ? a : b;
  45 +}
  46 +
  47 +float fminf(float a, float b)
  48 +{
  49 +       return (a < b) ? a : b;
  50 +}
  51 +#endif
  52 +
  53  /**
  54   * Evaluate one component of packSnorm4x8.
  55   */
  56 --
  57 1.7.10.4
  58