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Set _build_cpu and _build_cuda to 1 and 0 to build or not build the CPU or CUDA version.

If options=(!lto) has no effect, please check if it's still enabled in /etc/makepkg.conf.

Prebuilt binaries of this package can be found in arch4edu.

This fails on cachyos on this error: lto1: fatal error: bytecode stream in file ‘dlib_build/libdlib.a’ generated with LTO version 12.0 instead of the expected 13.0 compilation terminated. lto-wrapper: fatal error: /usr/bin/c++ returned 1 exit status

Not really sure how I can fix this, any h elp appreciated.

The python-dlib package now requires cuda, is there any way to just install the package and not the entire pkgbase, without cuda? I'm on AMD.

hi, this package does not depend on boost, but has an optional make dependency on libwebp.

19.24.2 PKGBUILD

this version imporve the recognition speed, and can build under py3.11

# Maintainer: Jingbei Li <i@jingbei.li>
# Contributor: Lev Velykoivanenko <velykoivanenko dot lev at gmail dot com>
# Contributor: Flávio Zavan <flavio dot zavan at gmail dot com>
# Contributor: pingplug
# Contributor: perlawk
# Contributor: xsmile

pkgbase=python-dlib
pkgname=('python-dlib')
##pkgname+=('python-dlib-cuda')
_pkgname=dlib
pkgver=19.24.2
pkgrel=1
pkgdesc="Dlib is a general purpose cross-platform C++ library designed using contract programming and modern C++ techniques."
arch=('x86_64')
url="http://www.dlib.net/"
license=('Boost')
depends=('cblas' 'giflib' 'lapack' 'libjpeg-turbo' 'libpng' 'libx11')
optdepends=('sqlite')
##optdepends+=('cuda' 'cudnn' 'ccache-ext')
makedepends=(${optdepends[@]} 'cmake' 'boost' 'python-setuptools')
#source=("$url/files/${_pkgname}-${pkgver}.tar.bz2")
source=("https://github.com/davisking/dlib/archive/refs/tags/v${pkgver}.tar.gz")
sha256sums=('0f5c7e3de6316a513635052c5f0a16a84e1cef26a7d233bf00c21348462b6d6f')
##options=(!lto)

##prepare() {
##  cd "$srcdir/"
##  cp -a "${_pkgname}-${pkgver}" "${_pkgname}-${pkgver}-cuda"
##}

build(){
    cd "${srcdir}/${_pkgname}-${pkgver}"
    python setup.py build --no DLIB_USE_CUDA

##  cuda_flags='--set CUDA_HOST_COMPILER=/opt/cuda/bin/gcc --set CUDA_NVCC_EXECUTABLE=/usr/lib/ccache/bin/nvcc-ccache --set CUDA_HOST_COMPILER=/opt/cuda/bin/gcc'

##  cd "${srcdir}/${_pkgname}-${pkgver}-cuda"
##  python setup.py build $cuda_flags
}


package_python-dlib(){
    depends+=('python')
    cd "${srcdir}/${_pkgname}-${pkgver}"
    python setup.py install --skip-build --prefix=/usr --root="$pkgdir" --optimize=1
}

package_python-dlib-cuda(){
    depends+=('cuda' 'cudnn' 'python')
    provides=('python-dlib')
    conflicts=('python-dlib')
    cd "${srcdir}/${_pkgname}-${pkgver}-cuda"
    python setup.py install --skip-build --prefix=/usr --root="$pkgdir" --optimize=1
}

Can conform the issue mentioned by @Misaka13514, this is not building anymore and failing its dependents packages from being installed.

19.24.1's PKGBUILD like that:

# Maintainer: Jingbei Li <i@jingbei.li>
# Contributor: Lev Velykoivanenko <velykoivanenko dot lev at gmail dot com>
# Contributor: Flávio Zavan <flavio dot zavan at gmail dot com>
# Contributor: pingplug
# Contributor: perlawk
# Contributor: xsmile

pkgbase=python-dlib
pkgname=('python-dlib')
##pkgname+=('python-dlib-cuda')
_pkgname=dlib
pkgver=19.24.1
pkgrel=1
pkgdesc="Dlib is a general purpose cross-platform C++ library designed using contract programming and modern C++ techniques."
arch=('x86_64')
url="http://www.dlib.net/"
license=('Boost')
depends=('cblas' 'giflib' 'lapack' 'libjpeg-turbo' 'libpng' 'libx11')
optdepends=('sqlite')
##optdepends+=('cuda' 'cudnn' 'ccache-ext')
makedepends=(${optdepends[@]} 'cmake' 'boost' 'python-setuptools')
source=("https://files.pythonhosted.org/packages/ec/e3/4fed0fb511a88a46365c2da493b73081a5e1a21960bdb18089b27cbc768b/dlib-19.24.1.tar.gz")
sha256sums=('e8d3ca047d525eeb36cc47bce45ed0562dab40b0b8f5fa171600dde2fec509c0')
##options=(!lto)

prepare() {
    cd "$srcdir/"
    cp -a "${_pkgname}-${pkgver}" "${_pkgname}-${pkgver}-cuda"
}

build(){
    cd "${srcdir}/${_pkgname}-${pkgver}"
    python setup.py build --no DLIB_USE_CUDA

##  cuda_flags='--set CUDA_HOST_COMPILER=/opt/cuda/bin/gcc --set CUDA_NVCC_EXECUTABLE=/usr/lib/ccache/bin/nvcc-ccache --set CUDA_HOST_COMPILER=/opt/cuda/bin/gcc'

##  cd "${srcdir}/${_pkgname}-${pkgver}-cuda"
##  python setup.py build $cuda_flags
}


package_python-dlib(){
    depends+=('python')
    cd "${srcdir}/${_pkgname}-${pkgver}"
    python setup.py install --skip-build --prefix=/usr --root="$pkgdir" --optimize=1
}

package_python-dlib-cuda(){
    depends+=('cuda' 'cudnn' 'python')
    provides=('python-dlib')
    conflicts=('python-dlib')
    cd "${srcdir}/${_pkgname}-${pkgver}-cuda"
    python setup.py install --skip-build --prefix=/usr --root="$pkgdir" --optimize=1
}

These changes may be useful to fix this package with Python 3.11

https://github.com/davisking/dlib/commit/65bce59a1512cf222dec01d3e0f29b612dd181f5
https://github.com/davisking/dlib/commit/b7834324b4b87d2dc3c878980295a9dc3290037e

Cannot build against python 3.11 https://fars.ee/T8Ob update: I can build it by updating pkgver to 19.24.1 (and use pypi source)

It has errors in the test now

==================================================================================================================================================== test session starts =====================================================================================================================================================
platform linux -- Python 3.10.10, pytest-3.8.0, py-1.11.1.dev0+g447bac51.d20230131, pluggy-1.0.0
rootdir: /home/gregory112/.cache/yay/python-dlib-cuda/src/dlib-19.22, inifile:
plugins: cov-4.0.0
collected 0 items / 11 errors                                                                                                                                                                                                                                                                                                

=========================================================================================================================================================== ERRORS ===========================================================================================================================================================
______________________________________________________________________________________________________________________________________ ERROR collecting tools/python/test/test_array.py ______________________________________________________________________________________________________________________________________
<frozen importlib._bootstrap>:939: in _find_spec
    ???
E   AttributeError: 'AssertionRewritingHook' object has no attribute 'find_spec'

I think this is related to pytest: https://github.com/pytest-dev/pytest/issues/1888