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File llhttp.spec of Package llhttp (Revision 6c97a8cd81f6366d9385647f261cefc5)

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#
# spec file for package llhttp
#
# Copyright (c) 2022 SUSE LLC
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
# upon. The license for this file, and modifications and additions to the
# file, is the same license as for the pristine package itself (unless the
# license for the pristine package is not an Open Source License, in which
# case the license is the MIT License). An "Open Source License" is a
# license that conforms to the Open Source Definition (Version 1.9)
# published by the Open Source Initiative.

# Please submit bugfixes or comments via https://bugs.opensuse.org/
#

# This package is rather exotic. The compiled library is a typical shared
# library with a C API. However, it has only a tiny bit of C source code. Most
# of the library is written in TypeScript, which is transpiled to C, via LLVM
# IR, using llparse (https://github.com/nodejs/llparse)—all of which happens
# within the NodeJS ecosystem.
#
# The package therefore “builds like” a NodeJS package, and to the extent they
# are relevant we apply the NodeJS packaging guidelines. However, the result of
# the build “installs like” a traditional C library package and has no NodeJS
# dependencies, including bundled ones.
#
# Furthermore, the package is registered with npm as “llhttp”, but current
# releases are not published there, so we use the GitHub archive as the
# canonical source and use a custom bundler script based on
# nodejs-packaging-bundler to fetch NodeJS build dependencies.
#
# Overall, we cherry-pick from the standard and NodeJS packaging guidelines as
# each seems to best apply, understanding that this package does not fit well
# into any of the usual patterns or templates.
#
# Note that there is now a “release” tarball, e.g.
# https://github.com/nodejs/llhttp/archive/refs/tags/release/v%%{version}tar.gz,
# that allows this package to be built without the NodeJS/TypeScript machinery.
# However, the release archive lacks the original TypeScript source code for
# the generated C code, which we would need to include in the source RPM as an
# additional source even if we do not do the re-generation ourselves.

Name:           llhttp
Version:        6.0.9
%global so_version 6.0
Release:        0
Summary:        Port of http_parser to llparse
# License of llhttp is (SPDX) MIT; nothing from the NodeJS dependency bundle is
# installed, so its contents do not contribute to the license of the binary
# RPMs, and we do not need a file llhttp-%%{version}-bundled-licenses.txt.
License:        MIT
URL:            https://github.com/nodejs/llhttp
Source0:        https://github.com/nodejs/llhttp/archive/refs/tags/release/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
# Based closely on nodejs-packaging-bundler, except:
#
# - The GitHub source tarball specified in this spec file is used since the
#   current version is not typically published on npm
# - No production dependency bundle is generated, since none is needed—and
#   therefore, no bundled licenses text file is generated either
Source1:        llhttp-packaging-bundler
# Created with llhttp-packaging-bundler (Source1):
Source2:        llhttp-%{version}-nm-dev.tgz
# While nothing in the dev bundle is installed, we still choose to audit for
# null licenses at build time and to keep manually-approved exceptions in a
# file.
Source3:        check-null-licenses
Source4:        audited-null-licenses.toml
# For generating the C source “release” from TypeScript:
BuildRequires:  nodejs-devel
BuildRequires:  make
# For compiling the C library
BuildRequires:  cmake
BuildRequires:  gcc
# For tests
BuildRequires:  gcc-c++
# For check-null-licenses
BuildRequires:  python3-devel
BuildRequires:  python3-tomli

%description
This project is a port of http_parser to TypeScript. llparse is used to
generate the output C source file, which could be compiled and linked with the
embedder's program (like Node.js).

This copy of the library is compiled with LLHTTP_STRICT_MODE set to 0
(disabled), which is the default.

%package devel
Summary:        Development files for llhttp
Requires:       %{name} = %{version}

%description devel
The llhttp-devel package contains libraries and header files for
developing applications that use llhttp.

%prep
%autosetup

# Remove build flags specifying ISA extensions not in the architectural
# baseline from the test fixture setup.
sed -r -i 's@([[:blank:]]*)(.*-m(sse4))@\1// \2@' test/fixtures/index.ts

# We build the library that we install via release/CMakeLists.txt, but the
# tests are built via Makefile targets. Don’t apply non-default optimization or
# debug flags to the test executables.
sed -r -i 's@ -[Og].\b@@g' Makefile

# Set up bundled (dev) node modules required to generate the C sources from the
# TypeScript sources.
tar -xzf '%{SOURCE2}'
mkdir -p node_modules
pushd node_modules
ln -s ../node_modules_dev/* .
ln -s ../node_modules_dev/.bin .
popd

# We run ts-node out of node_modules/.bin rather than using npx (which we will
# not have available).
sed -r -i 's@\bnpx[[:blank:]](ts-node)\b@node_modules/.bin/\1@' Makefile

%build
# Generate the C source “release” from TypeScript using the “node_modules_dev”
# bundle.
%make_build release TAG='%{version}'

# To help prove that nothing from the bundled NodeJS dev dependencies is
# included in the binary packages, remove the “node_modules” symlinks.
rm -rvf node_modules

cd release
%cmake
%cmake_build

%install
cd release
%cmake_install

%check
# Symlink the NodeJS bundle again so that we can test with Mocha
mkdir -p node_modules
pushd node_modules
ln -s ../node_modules_dev/* .
ln -s ../node_modules_dev/.bin .
popd

# Verify that no bundled dev dependency has a null license field, unless we
# already audited it by hand. This reduces the chance of accidentally including
# code with license problems in the source RPM.
python3 '%{SOURCE3}' --exceptions '%{SOURCE4}' --with dev node_modules_dev

# See scripts.mocha in package.json:
NODE_ENV=test CLANG=gcc ./node_modules/.bin/mocha \
    -r ts-node/register/type-check \
    test/*-test.ts

%post -p /sbin/ldconfig

%postun -p /sbin/ldconfig

%files
%license release/LICENSE-MIT
%{_libdir}/libllhttp.so.%{so_version}{,.*}

%files devel
%doc release/README.md
%{_includedir}/llhttp.h
%{_libdir}/libllhttp.so
%{_libdir}/pkgconfig/libllhttp.pc
%{_libdir}/cmake/llhttp

%changelog

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File llhttp.spec of Package llhttp (Revision 6c97a8cd81f6366d9385647f261cefc5)

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