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# Maintainer: aur.chaotic.cx
_pkgname="opencv4"
pkgname="$_pkgname-llvm"
pkgver=4.14.0
pkgrel=2
pkgdesc="Open Source Computer Vision Library (version 4.x) — built with Clang and LLVM lld"
url="https://github.com/opencv/opencv"
license=('Apache-2.0')
arch=('x86_64')
provides=('opencv4')
conflicts=('opencv4')
depends=(
abseil-cpp
cblas
ffmpeg
freetype2
glib2
gst-plugins-base
gst-plugins-base-libs
gstreamer
harfbuzz
lapack
libdc1394
libgcc
libglvnd
libjpeg-turbo
libjxl
libpng
libstdc++
libtiff
libwebp
openexr
openjpeg2
protobuf
tbb
verdict
zlib
)
makedepends=(
ant
clang
cmake
eigen
fast_float
fmt
glew
hdf5
java-environment
lapacke
lld
llvm
mesa
ninja
nlohmann-json
openmpi
pugixml
python-numpy
python-setuptools
qt6-5compat
vtk
)
optdepends=(
'glew: for the viz module'
'hdf5: for the HDF5 module'
'java-runtime: Java interface'
'opencl-icd-loader: For coding with OpenCL'
'qt6-base: for the HighGUI module'
'vtk: for the viz module'
)
_pkgsrc="opencv-$pkgver"
_pkgsrc_contrib="opencv_contrib-$pkgver"
_pkgext="tar.gz"
source=(
"$_pkgsrc.$_pkgext"::"$url/archive/refs/tags/$pkgver.$_pkgext"
"$_pkgsrc_contrib.$_pkgext"::"${url}_contrib/archive/refs/tags/$pkgver.$_pkgext"
vtk9.patch # Don't require all vtk optdepends
fix-cuda-flags.patch # pass CXXFLAGS through CUDAFLAGS
ffmpeg-9.patch
contrib-fix-std.patch
)
sha256sums=(
'ee8fb9b30eb60850431b4656447080e3737b56e45719c92b67f245950609f86e'
'4f17abd1bc7f88e19c3380c8de7cbf2d863aced5b5ee8d8934cc7902b67d42c9'
'f35a2d4ea0d6212c7798659e59eda2cb0b5bc858360f7ce9c696c77d3029668e'
'95472ecfc2693c606f0dd50be2f012b4d683b7b0a313f51484da4537ab8b2bfe'
'6246d08c2e272bc30bfcd8bc576e04504f238404823927f98f4def7d212eed74'
'c05fe7572ee5193cf3de7f02a500f446f3457ec20c315590a326bf1bfb5552cc'
)
prepare() {
local src _path
for src in "${source[@]}"; do
src="${src%%::*}"
src="${src##*/}"
src="${src%.zst}"
if [[ $src == *.patch ]]; then
_path="$_pkgsrc"
if [[ $src == contrib-* ]]; then
_path="$_pkgsrc_contrib"
fi
printf '\nApplying patch: %s\n' "$src"
patch -d "$_path" -Np1 -F100 -i "${srcdir:?}/$src"
fi
done
}
build() {
export JAVA_HOME="/usr/lib/jvm/default"
export CC=clang
export CXX=clang++
export AR=/usr/bin/llvm-ar
export RANLIB=/usr/bin/llvm-ranlib
export LD=/usr/bin/ld.lld
export NM=/usr/bin/llvm-nm
export OBJCOPY=/usr/bin/llvm-objcopy
export OBJDUMP=/usr/bin/llvm-objdump
export READELF=/usr/bin/llvm-readelf
export STRIP=/usr/bin/llvm-strip
export LDFLAGS="${LDFLAGS:-} -fuse-ld=lld"
export CFLAGS="${CFLAGS:-} -O3 -march=native"
export CXXFLAGS="${CXXFLAGS:-} -O3 -march=native"
local cmake_options=(
-B build
-S "$_pkgsrc"
-G Ninja
-DCMAKE_BUILD_TYPE=Release
-DCMAKE_INSTALL_PREFIX=/usr
-DCMAKE_INSTALL_LIBDIR="lib/$_pkgname"
-DCMAKE_C_COMPILER=clang
-DCMAKE_CXX_COMPILER=clang++
-DCMAKE_AR=/usr/bin/llvm-ar
-DCMAKE_RANLIB=/usr/bin/llvm-ranlib
-DCMAKE_NM=/usr/bin/llvm-nm
-DCMAKE_OBJCOPY=/usr/bin/llvm-objcopy
-DCMAKE_OBJDUMP=/usr/bin/llvm-objdump
-DCMAKE_READELF=/usr/bin/llvm-readelf
-DCMAKE_STRIP=/usr/bin/llvm-strip
-DCMAKE_CXX_STANDARD=17
-DCMAKE_EXE_LINKER_FLAGS:STRING='-fuse-ld=lld'
-DCMAKE_SHARED_LINKER_FLAGS:STRING='-fuse-ld=lld'
-DCMAKE_MODULE_LINKER_FLAGS:STRING='-fuse-ld=lld'
-Wno-author
-DBUILD_EXAMPLES=OFF
-DINSTALL_C_EXAMPLES=OFF
-DINSTALL_PYTHON_EXAMPLES=OFF
-DWITH_OPENCL=ON
-DWITH_OPENGL=ON
-DOpenGL_GL_PREFERENCE=LEGACY
-DWITH_TBB=ON
-DWITH_VULKAN=ON
-DWITH_QT=ON
-DWITH_JPEGXL=ON
-DBUILD_TESTS=OFF
-DBUILD_PERF_TESTS=OFF
-DBUILD_PROTOBUF=OFF
-DPROTOBUF_UPDATE_FILES=ON
-DCPU_BASELINE_DISABLE=SSE3
-DCPU_BASELINE_REQUIRE=SSE2
-DOPENCV_EXTRA_MODULES_PATH="$srcdir/$_pkgsrc_contrib/modules"
-DOPENCV_SKIP_PYTHON_LOADER=ON
# cmake's FindLAPACK doesn't add cblas to LAPACK_LIBRARIES, so we need to specify them manually
-DLAPACK_LIBRARIES="/usr/lib/liblapack.so;/usr/lib/libblas.so;/usr/lib/libcblas.so"
-DLAPACK_CBLAS_H=/usr/include/cblas.h
-DLAPACK_LAPACKE_H=/usr/include/lapacke.h
-DOPENCV_GENERATE_PKGCONFIG=ON
-DOPENCV_ENABLE_NONFREE=ON
-DOPENCV_JNI_INSTALL_PATH=lib
-DOPENCV_GENERATE_SETUPVARS=OFF
-DEIGEN_INCLUDE_PATH=/usr/include/eigen3
-Dprotobuf_MODULE_COMPATIBLE=ON
-DHDF5_NO_FIND_PACKAGE_CONFIG_FILE=ON
-DBUILD_WITH_DEBUG_INFO=ON
)
cmake ${cmake_options[@]}
cmake --build build
}
package() {
DESTDIR="$pkgdir" cmake --install build
local _lib
for _lib in "$pkgdir/usr/lib/$_pkgname"/libopencv*.so.[0-9]*; do
ln -sf "$_pkgname/${_lib##*/}" "$pkgdir/usr/lib/${_lib##*/}"
done
mv "$pkgdir/usr/lib/$_pkgname/cmake" "$pkgdir/usr/lib/"
mv "$pkgdir/usr/lib/$_pkgname/pkgconfig" "$pkgdir/usr/lib/"
rm -r "$pkgdir"/usr/bin/
rm -r "$pkgdir"/usr/lib/python3*
}
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