Arch Linux OpenCV 3.1.0 with Qt and CUDA

5852.patch

From 24dbb43c096691d0333cacf231e22f1369f8c826 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@itseez.com>
Date: Tue, 22 Dec 2015 17:10:33 +0300
Subject: [PATCH] pkg-config: modules list contains only OpenCV modules (fixes
 #5852)

---
 cmake/OpenCVUtils.cmake | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/cmake/OpenCVUtils.cmake b/cmake/OpenCVUtils.cmake
index 3a23cd7..75412eb 100644
--- a/cmake/OpenCVUtils.cmake
+++ b/cmake/OpenCVUtils.cmake
@@ -806,7 +806,13 @@ macro(ocv_get_all_libs _modules _extra _3rdparty)
     else()
       set(deps "")
     endif()
-    list(INSERT ${_modules} 0 ${deps} ${m})
+    set(_rev_deps "${deps};${m}")
+    ocv_list_reverse(_rev_deps)
+    foreach (dep ${_rev_deps})
+      if(DEFINED OPENCV_MODULE_${dep}_LOCATION)
+        list(INSERT ${_modules} 0 ${dep})
+      endif()
+    endforeach()
     foreach (dep ${deps} ${OPENCV_LINKER_LIBS})
       if (NOT DEFINED OPENCV_MODULE_${dep}_LOCATION)
         if (TARGET ${dep})
@@ -832,9 +838,6 @@ macro(ocv_get_all_libs _modules _extra _3rdparty)
     endif()
   endif()
 
-  # split 3rdparty libs and modules
-  list(REMOVE_ITEM ${_modules} ${${_3rdparty}} ${${_extra}} non_empty_list)
-
   ocv_list_filterout(${_modules} "^[\$]<")
   ocv_list_filterout(${_3rdparty} "^[\$]<")
   ocv_list_filterout(${_extra} "^[\$]<")

graphcuts.patch

--- a/modules/cudalegacy/src/graphcuts.cpp
+++ b/modules/cudalegacy/src/graphcuts.cpp
@@ -42,7 +42,7 @@
 
 #include "precomp.hpp"
 
-#if !defined (HAVE_CUDA) || defined (CUDA_DISABLER)
+#if !defined (HAVE_CUDA) || defined (CUDA_DISABLER) || (CUDART_VERSION >= 8000)
 
 void cv::cuda::graphcut(GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_no_cuda(); }
 void cv::cuda::graphcut(GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_no_cuda(); }

PKGBUILD

# $Id: PKGBUILD 282919 2016-12-07 15:09:11Z anthraxx $
# Maintainer: Ray Rashif <schiv@archlinux.org>
# Contributor: Tobias Powalowski <tpowa@archlinux.org>

# Modified by Tim van der Staaij:
# - Enabled CUDA and Qt support
# - Enabled SSE/AVX flags suitable for reasonably modern CPUs
# - Disabled Python and Java support
# - Build with 5 parallel jobs

pkgbase=opencv
pkgname=('opencv' 'opencv-samples')
pkgver=3.1.0
pkgrel=6
pkgdesc="Open Source Computer Vision Library"
arch=('i686' 'x86_64')
license=('BSD')
url="http://opencv.org/"
depends=('intel-tbb' 'openexr' 'xine-lib' 'libdc1394' 'gtkglext' 'cuda')
makedepends=('cmake' 'mesa' 'eigen')
optdepends=('opencv-samples'
            'eigen'
            'opencl-icd-loader: For coding with OpenCL')
source=("$pkgbase-$pkgver.tar.gz::https://github.com/Itseez/opencv/archive/$pkgver.zip"
        "opencv_contrib-$pkgver.tar.gz::https://github.com/Itseez/opencv_contrib/archive/$pkgver.tar.gz"
        opencv-gcc6.patch::"https://github.com/mshabunin/opencv/commit/a0fdc91a.patch" '5852.patch' 'graphcuts.patch')
md5sums=('6082ee2124d4066581a7386972bfd52a'
         'a822839ad3ab79ff837c16785ea9dd10'
         '4dacea7866d28014939a652f268cc7c1'
         '5bd9cd736b171c15cedee3a32a0c47ff'
         '17a4864ec283f3c2addbd370db4fa09c')

_cmakeopts=('-D WITH_OPENCL=ON'
            '-D WITH_OPENGL=ON'
            '-D WITH_TBB=ON'
            '-D WITH_XINE=ON'
            '-D WITH_GSTREAMER=OFF'
            '-D BUILD_WITH_DEBUG_INFO=OFF'
            '-D BUILD_TESTS=OFF'
            '-D BUILD_PERF_TESTS=OFF'
            '-D BUILD_EXAMPLES=ON'
            '-D INSTALL_C_EXAMPLES=ON'
            '-D INSTALL_PYTHON_EXAMPLES=OFF'
            '-D CMAKE_BUILD_TYPE=Release'
            '-D CMAKE_INSTALL_PREFIX=/usr'
            '-D CMAKE_SKIP_RPATH=ON'
            '-D ENABLE_SSE3=ON'
            '-D ENABLE_SSSE3=ON'
            '-D ENABLE_SSE4=ON'
            '-D ENABLE_SSE41=ON'
            '-D ENABLE_SSE42=ON'
            '-D ENABLE_AVX=ON'
            '-D WITH_QT=ON'
            '-D WITH_CUDA=ON'
            '-D WITH_IPP=OFF'
            '-D BUILD_opencv_python=OFF'
            '-D BUILD_opencv_python2=OFF'
            '-D BUILD_opencv_python3=OFF'
            '-D BUILD_opencv_java=OFF'
            #'-D INSTALL_CREATE_DISTRIB=ON'
            )

# SSE only available from Pentium 3 onwards (i686 is way older)
[[ "$CARCH" = 'i686' ]] && \
  _cmakeopts+=('-D ENABLE_SSE=OFF'
               '-D ENABLE_SSE2=OFF'
               '-D ENABLE_SSE3=OFF')

prepare() {
  cd "$srcdir/$pkgname-$pkgver"
  patch -p1 -i "$srcdir/5852.patch"
  patch -p1 -i "$srcdir/graphcuts.patch"
# Fix build with GCC 6
  patch -p1 -i "$srcdir"/opencv-gcc6.patch
}

build() {
  cd "$srcdir/$pkgname-$pkgver"

  export CC=/usr/bin/gcc-5
  export CXX=/usr/bin/g++-5

  cmake ${_cmakeopts[@]} \
    -DOPENCV_EXTRA_MODULES_PATH="$srcdir/opencv_contrib-$pkgver/modules" \
    .

  make -j5
}

package_opencv() {
  options=('staticlibs')

  cd "$srcdir/$pkgname-$pkgver"

  make DESTDIR="$pkgdir" install

  # install license file
  install -Dm644 "$srcdir/$pkgname-$pkgver/LICENSE" \
    "$pkgdir/usr/share/licenses/$pkgname/LICENSE"

  cd "$pkgdir/usr/share"

  # separate samples package; also be -R friendly
  if [[ -d OpenCV/samples ]]; then
    mv OpenCV/samples "$srcdir/$pkgname-samples"
    mv OpenCV $pkgname # otherwise folder naming is inconsistent
  elif [[ ! -d OpenCV ]]; then
    warning "Directory naming issue; samples package may not be built!"
  fi
}

package_opencv-samples() {
  pkgdesc+=" (samples)"
  depends=("opencv=$pkgver") # sample codes change with lib/API
  unset optdepends

  mkdir -p "$pkgdir/usr/share/opencv"
  cp -r "$srcdir/opencv-samples" "$pkgdir/usr/share/opencv/samples"

  # install license file
  install -Dm644 "$srcdir/opencv-$pkgver/LICENSE" \
    "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

# vim:set ts=2 sw=2 et:

1. Download ZIP of this gist and extract
2. Tweak PKGBUILD if desired (e.g. number of jobs or CPU features)
3. Run makepkg -si in the extracted directory

I got this when I tried the steps above to build:

==> Validating source files with md5sums...
    opencv-3.1.0.tar.gz ... Passed
    opencv_contrib-3.1.0.tar.gz ... Passed
    opencv-gcc6.patch ... FAILED
    5852.patch ... Passed
    graphcuts.patch ... Passed
==> ERROR: One or more files did not pass the validity check!