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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.

@MarsSeed: No.

@Eeems, please don't build it "on your system", but in a clean chroot environment.

@MarsSeed I'm not sure why you are marking this as out-of-date. The package is at the latest upstream version for me. If you are having issues building the package, that's not the same as it being out-of-date.

On top of that, I can't replicate your error. A fresh build of the package works with no issue on my system.

Fails to build (line #3 shows the cause of the error):

[100%] Linking CXX shared module 
    /tmp/makepkg/python-dlib/src/dlib-19.24.2-cuda/build/lib.linux-x86_64-cpython-311/_dlib_pybind11.cpython-311-x86_64-linux-gnu.so
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
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/_dlib_pybind11.dir/build.make:522: 
    /tmp/makepkg/python-dlib/src/dlib-19.24.2-cuda/build/lib.linux-x86_64-cpython-311/_dlib_pybind11.cpython-311-x86_64-linux-gnu.so] Error 1
make[1]: *** [CMakeFiles/Makefile2:118: CMakeFiles/_dlib_pybind11.dir/all] Error 2
make: *** [Makefile:91: all] Error 2
Traceback (most recent call last):
  File "/tmp/makepkg/python-dlib/src/dlib-19.24.2-cuda/setup.py", line 222, in <module>
    setup(
  File "/usr/lib/python3.11/site-packages/setuptools/__init__.py", line 103, in setup
    return distutils.core.setup(**attrs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/setuptools/_distutils/core.py", line 185, in setup
    return run_commands(dist)
           ^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/setuptools/_distutils/core.py", line 201, in run_commands
    dist.run_commands()
  File "/usr/lib/python3.11/site-packages/setuptools/_distutils/dist.py", line 969, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python3.11/site-packages/setuptools/dist.py", line 963, in run_command
    super().run_command(command)
  File "/usr/lib/python3.11/site-packages/setuptools/_distutils/dist.py", line 988, in run_command
    cmd_obj.run()
  File "/usr/lib/python3.11/site-packages/setuptools/_distutils/command/build.py", line 131, in run
    self.run_command(cmd_name)
  File "/usr/lib/python3.11/site-packages/setuptools/_distutils/cmd.py", line 318, in run_command
    self.distribution.run_command(command)
  File "/usr/lib/python3.11/site-packages/setuptools/dist.py", line 963, in run_command
    super().run_command(command)
  File "/usr/lib/python3.11/site-packages/setuptools/_distutils/dist.py", line 988, in run_command
    cmd_obj.run()
  File "/tmp/makepkg/python-dlib/src/dlib-19.24.2-cuda/setup.py", line 134, in run
    self.build_extension(ext)
  File "/tmp/makepkg/python-dlib/src/dlib-19.24.2-cuda/setup.py", line 174, in build_extension
    subprocess.check_call(cmake_build, cwd=build_folder)
  File "/usr/lib/python3.11/subprocess.py", line 413, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', '--build', '.', '--config', 'Release', '--', '-j4']' returned non-zero exit 
    status 2.
==> ERROR: A failure occurred in build().
    Aborting...
 -> error making: python-dlib

Prebuilt binaries of this package can be found in arch4edu.

@chrisqq Hi, you can try uncommenting the line options=(!lto) in PKGBUILD to disable LTO.

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
}