xavierk
97f93e9492
python3-pywhispercpp was installed as 0.0.0. setup.py passes no version to setup() and takes it from setuptools-scm, which the Void build did not install; the template's PYWHISPERCPP_VERSION export is never read. The app read 0.0.0 as an old binding and skipped GPU device selection. Install setuptools-scm, pin the version with SETUPTOOLS_SCM_PRETEND_VERSION, and make the app treat a 0.0.0 distribution as unknown so the runtime feature probe decides. The CPU backend was built with every SIMD option off, so the real-time factor on an AVX2 host was about 1.7. Build with GGML_BACKEND_DL and GGML_CPU_ALL_VARIANTS instead: one CPU library per instruction-set level, with the x86-64 baseline always shipped. The binding loads the variants from its own directory (patches/), and pre_install places them beside the extension. The app's library preloader skips those variants: they export identical symbols, so preloading them RTLD_GLOBAL would let one variant serve every other. The install smoke asserts that the installed package reports 1.5.0, that the baseline variant holds no AVX code, that the AVX2 variant does, and that the CPU and Vulkan backends load from the package. Fixes #43 Fixes #44
64 lines
2.9 KiB
Plaintext
64 lines
2.9 KiB
Plaintext
# Template file for 'python3-pywhispercpp'
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pkgname=python3-pywhispercpp
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version=1.5.0
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revision=1
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build_style=python3-module
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hostmakedepends="cmake pkg-config python3-setuptools python3-setuptools_scm python3-wheel $(vopt_if vulkan shaderc)"
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makedepends="python3-devel $(vopt_if vulkan vulkan-loader-devel)"
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depends="python3-numpy python3-requests python3-tqdm python3-platformdirs $(vopt_if vulkan vulkan-loader)"
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short_desc="Python bindings for whisper.cpp speech recognition"
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maintainer="Orphaned <orphan@voidlinux.org>"
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license="MIT"
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homepage="https://github.com/absadiki/pywhispercpp"
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distfiles="${PYPI_SITE}/p/pywhispercpp/pywhispercpp-${version}.tar.gz"
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checksum=5aa54c73ec96617d97aa519dbbf817e44255eddd9bd52ee1243be61028dbd018
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# The sdist ships no test suite, so there is nothing to check.
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make_check=no
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# Package build options
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build_options="vulkan"
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build_options_default="vulkan"
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pre_build() {
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# Version (#43). setup.py passes no version to setup(); the version comes
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# from setuptools-scm, which the sdist declares as a build requirement and
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# which hostmakedepends provides. The xbps build root has no git metadata,
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# so pin the version through setuptools-scm. Without it setuptools falls
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# back to 0.0.0. The sdist's PYWHISPERCPP_VERSION hook is never called.
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export SETUPTOOLS_SCM_PRETEND_VERSION=${version}
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# CPU (#44). GGML_BACKEND_DL builds each CPU variant (x64 baseline,
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# sandybridge, haswell, icelake, zen4, ...) as its own library. The
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# extension, through patches/, loads the variants that sit beside it, and
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# ggml picks the best one the host CPU supports. The x64 baseline always
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# ships, so the package still runs on any x86-64 CPU, and hosts with AVX2
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# use it. GGML_NATIVE must stay OFF: ggml refuses it with GGML_BACKEND_DL,
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# and it keeps -march=native out of every variant (#938).
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# Shared libraries with an $ORIGIN rpath let each variant resolve
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# libggml-base beside it, with no LD_LIBRARY_PATH at runtime. (setup.py
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# install never builds a wheel, so NO_REPAIR is meaningless here.)
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export CMAKE_ARGS='-DCMAKE_INSTALL_RPATH=$ORIGIN -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON -DBUILD_SHARED_LIBS=ON -DGGML_NATIVE=OFF -DGGML_BACKEND_DL=ON -DGGML_CPU_ALL_VARIANTS=ON'
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if [ -n "$build_option_vulkan" ]; then
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# Vulkan acceleration for every GPU vendor. There is no CUDA
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# build: Void ships no CUDA toolkit package.
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export GGML_VULKAN=1
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fi
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}
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pre_install() {
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# The backend modules (libggml-cpu-*.so, libggml-vulkan.so) are written to
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# build/bin, a CMake directory whose whisper.cpp setup fixes, and setup.py
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# installs only the build/lib tree that holds the extension. Copy them
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# beside the extension, where patches/ loads them from.
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local backend found=""
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for backend in build/temp.*/_pywhispercpp/bin/libggml-*.so; do
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[ -f "$backend" ] || continue
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cp "$backend" build/lib.*/
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found=1
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done
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[ -n "$found" ] || msg_error "no ggml backend modules were built; the CPU variants are missing\n"
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}
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post_install() {
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vlicense LICENSE
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}
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