File rust.spec of Package rust

%{!?_pkgdocdir: %global _pkgdocdir %%{_docdir}/%{name}-%{version}}




# Only x86_64, i686, and aarch64 are Tier 1 platforms at this time.
# https://doc.rust-lang.org/nightly/rustc/platform-support.html
%global rust_arches x86_64 i686 armv7hl aarch64 ppc64le s390x riscv64

# The channel can be stable, beta, or nightly
%{!?channel: %global channel stable}

# To bootstrap from scratch, set the channel and date from src/stage0.json
# e.g. 1.59.0 wants rustc: 1.58.0-2022-01-13
# or nightly wants some beta-YYYY-MM-DD
%global bootstrap_version 1.81.0
%global bootstrap_channel 1.81.0
%global bootstrap_date 2024-09-05

# Only the specified arches will use bootstrap binaries.
# NOTE: Those binaries used to be uploaded with every new release, but that was
# a waste of lookaside cache space when they're most often unused.
# Run "spectool -g rust.spec" after changing this and then "fedpkg upload" to
# add them to sources. Remember to remove them again after the bootstrap build!
%global bootstrap_arches %%{rust_arches}

# Define a space-separated list of targets to ship rust-std-static-$triple for
# cross-compilation. The packages are noarch, but they're not fully
# reproducible between hosts, so only x86_64 actually builds it.
%ifarch x86_64
%if 0%{?fedora}
%global mingw_targets i686-pc-windows-gnu x86_64-pc-windows-gnu
%endif
%if 0%{?fedora} || 0%{?rhel} >= 8
%global wasm_targets wasm32-unknown-unknown wasm32-wasi wasm32-wasip1
%endif
%endif

# We need CRT files for *-wasi targets, at least as new as the commit in
# src/ci/docker/host-x86_64/dist-various-2/build-wasi-toolchain.sh
# (updated per https://github.com/rust-lang/rust/pull/96907)
%global wasi_libc_url https://github.com/WebAssembly/wasi-libc
#global wasi_libc_ref wasi-sdk-24
%global wasi_libc_ref b9ef79d7dbd47c6c5bafdae760823467c2f60b70
%global wasi_libc_name wasi-libc-%{wasi_libc_ref}
%global wasi_libc_source %{wasi_libc_url}/archive/%{wasi_libc_ref}/%{wasi_libc_name}.tar.gz
%global wasi_libc_dir %{_builddir}/%{wasi_libc_name}

%if 0%{?fedora}
%bcond_with bundled_wasi_libc
%else
%bcond_without bundled_wasi_libc
%endif

# Using llvm-static may be helpful as an opt-in, e.g. to aid LLVM rebases.
%bcond_with llvm_static

# We can also choose to just use Rust's bundled LLVM, in case the system LLVM
# is insufficient.  Rust currently requires LLVM 15.0+.
%global min_llvm_version 17.0.0
%global bundled_llvm_version 19.1.1
%bcond_with bundled_llvm

# Requires stable libgit2 1.6, and not the next minor soname change.
# This needs to be consistent with the bindings in vendor/libgit2-sys.
%global min_libgit2_version 1.8.1
%global next_libgit2_version 1.9.0~
%global bundled_libgit2_version 1.8.1
%if 0%{?fedora} >= 39
%bcond_with bundled_libgit2
%else
%bcond_without bundled_libgit2
%endif

# Cargo uses UPSERTs with omitted conflict targets
%global min_sqlite3_version 3.35
%global bundled_sqlite3_version 3.46.0
%if 0%{?rhel} && 0%{?rhel} < 10
%bcond_without bundled_sqlite3
%else
%bcond_with bundled_sqlite3
%endif

%if 0%{?rhel}
# Disable cargo->libgit2->libssh2 on RHEL, as it's not approved for FIPS (rhbz1732949)
%bcond_without disabled_libssh2
%else
%bcond_with disabled_libssh2
%endif


# LLDB isn't available everywhere...
%if 0%{?rhel} && 0%{?rhel} < 8
%bcond_with lldb
%else
%bcond_without lldb
%endif

Name:           rust
Version:        1.82.0
Release:        1%{?dist}
Summary:        The Rust Programming Language
License:        (Apache-2.0 OR MIT) AND (Artistic-2.0 AND BSD-3-Clause AND ISC AND MIT AND MPL-2.0 AND Unicode-DFS-2016)
# ^ written as: (rust itself) and (bundled libraries)
URL:            https://www.rust-lang.org
ExclusiveArch:  %{rust_arches}

%global rustc_package rust-%{version}-src
Source0:        rust-%{version}.tar.gz
Source1:        %{wasi_libc_source}

# By default, rust tries to use "rust-lld" as a linker for some targets.
Patch1:         0001-Use-lld-provided-by-system.patch

# Set a substitute-path in rust-gdb for standard library sources.
Patch2:         rustc-1.70.0-rust-gdb-substitute-path.patch

# Override default target CPUs to match distro settings
# TODO: upstream this ability into the actual build configuration
Patch3:         0001-Let-environment-variables-override-some-default-CPUs.patch

# Override the default self-contained system libraries
# TODO: the first can probably be upstreamed, but the second is hard-coded,
# and we're only applying that if not with bundled_wasi_libc.
Patch4:         0001-bootstrap-allow-disabling-target-self-contained.patch
Patch5:         0002-set-an-external-library-path-for-wasm32-wasi.patch

# We don't want to use the bundled library in libsqlite3-sys
Patch6:         rustc-1.82.0-unbundle-sqlite.patch

# https://github.com/rust-lang/rust/pull/130034
Patch7:         0001-Fix-enabling-wasm-component-ld-to-match-other-tools.patch
 
# https://github.com/rust-lang/rust/pull/131838
Patch8:         0001-bootstrap-allow-setting-jobs-in-config.toml.patch


### RHEL-specific patches below ###

# Simple rpm macros for rust-toolset (as opposed to full rust-packaging)
Source100:      macros.rust-toolset

# Disable cargo->libgit2->libssh2 on RHEL, as it's not approved for FIPS (rhbz1732949)
Patch100:       rustc-1.82.0-disable-libssh2.patch


# Get the Rust triple for any arch.
%{lua: function rust_triple(arch)
  local abi = "gnu"
  if arch == "armv7hl" then
    arch = "armv7"
    abi = "gnueabihf"
  elseif arch == "ppc64" then
    arch = "powerpc64"
  elseif arch == "ppc64le" then
    arch = "powerpc64le"
  elseif arch == "riscv64" then
    arch = "riscv64gc"
  end
  return arch.."-unknown-linux-"..abi
end}

# Get the environment form of a Rust triple
%{lua: function rust_triple_env(triple)
  local sub = string.gsub(triple, "-", "_")
  return string.upper(sub)
end}

%global rust_triple %{lua: print(rust_triple(rpm.expand("%{_target_cpu}")))}
%global rust_triple_env %{lua: print(rust_triple_env(rpm.expand("%{rust_triple}")))}
%global bootstrap_source rust-%{rust_triple}

%ifarch %{bootstrap_arches}
%global bootstrap_root rustc-%{version}-src
%global local_rust_root %{_builddir}/%{bootstrap_root}/usr
Provides:       bundled(%{name}-bootstrap) = %{bootstrap_version}
%else
BuildRequires:  cargo >= %{bootstrap_cargo}
%if 0%{?rhel} && 0%{?rhel} < 8
BuildRequires:  %{name} >= %{bootstrap_version}
BuildConflicts: %{name} > %{version}
%else
BuildRequires:  (%{name} >= %{bootstrap_version} with %{name} <= %{version})
%endif
%global local_rust_root %{_prefix}
%endif

%if 0%{?el7}
%global devtoolset_name devtoolset-10
BuildRequires:  epel-rpm-macros
%endif
BuildRequires:  make
BuildRequires:  %{?el7:%{devtoolset_name}-}gcc
BuildRequires:  %{?el7:%{devtoolset_name}-}gcc-c++
BuildRequires:  %{?el7:%{devtoolset_name}-}binutils
BuildRequires:  ncurses-devel
# explicit curl-devel to avoid httpd24-curl (rhbz1540167)
BuildRequires:  curl-devel
BuildRequires:  pkgconfig(libcurl)
BuildRequires:  pkgconfig(liblzma)
BuildRequires:  pkgconfig(openssl)
BuildRequires:  pkgconfig(zlib)

%if %{without bundled_libgit2}
BuildRequires:  (pkgconfig(libgit2) >= %{min_libgit2_version} with pkgconfig(libgit2) < %{next_libgit2_version})
%endif

%if %{without bundled_sqlite3}
BuildRequires:  pkgconfig(sqlite3) >= %{min_sqlite3_version}
%endif

%if %{without disabled_libssh2}
BuildRequires:  pkgconfig(libssh2)
%endif


BuildRequires:  python3
BuildRequires:  python3-rpm-macros

%if %with bundled_llvm
BuildRequires:  cmake%{?el7:3} >= 3.20.0
BuildRequires:  ninja-build
Provides:       bundled(llvm) = %{bundled_llvm_version}
%else
BuildRequires:  cmake >= 3.5.1
%global llvm_root %{_prefix}
BuildRequires:  llvm-devel >= %{min_llvm_version}
%if %with llvm_static
BuildRequires:  llvm-static
BuildRequires:  libffi-devel
%endif
%endif

# make check needs "ps" for src/test/ui/wait-forked-but-failed-child.rs
BuildRequires:  procps

# debuginfo-gdb tests need gdb
BuildRequires:  gdb

# For src/test/run-make/static-pie
%if 0%{?mageia}
BuildRequires: glibc-static-devel
%else
BuildRequires: glibc-static
%endif

# Virtual provides for folks who attempt "dnf install rustc"
Provides:       rustc = %{version}-%{release}
Provides:       rustc%{?_isa} = %{version}-%{release}

# Always require our exact standard library
Requires:       %{name}-std-static%{?_isa} = %{version}-%{release}

# The C compiler is needed at runtime just for linking.  Someday rustc might
# invoke the linker directly, and then we'll only need binutils.
# https://github.com/rust-lang/rust/issues/11937
Requires:       /usr/bin/cc

%if 0%{?el7}
%global devtoolset_bindir /opt/rh/%{devtoolset_name}/root/usr/bin
%global __cc     %{devtoolset_bindir}/gcc
%global __cxx    %{devtoolset_bindir}/g++
%global __ar     %{devtoolset_bindir}/ar
%global __ranlib %{devtoolset_bindir}/ranlib
%global __strip  %{devtoolset_bindir}/strip
%else
%global __ranlib %{_bindir}/ranlib
%endif

%if 0%{?mageia}
#prevent byte-compilation of python code
%global _python_bytecompile_extra 0
%global __os_install_post %(echo '%{__os_install_post}' | sed -e 's!/usr/lib[^[:space:]]*/brp-python-bytecompile[[:space:]].*$!!g')
%endif

# ALL Rust libraries are private, because they don't keep an ABI.
%global _privatelibs lib(.*-[[:xdigit:]]{16}*|rustc.*)[.]so.*
%global __provides_exclude ^(%{_privatelibs})$
%global __requires_exclude ^(%{_privatelibs})$
%global __provides_exclude_from ^(%{_docdir}|%{rustlibdir}/src)/.*$
%global __requires_exclude_from ^(%{_docdir}|%{rustlibdir}/src)/.*$

# While we don't want to encourage dynamic linking to Rust shared libraries, as
# there's no stable ABI, we still need the unallocated metadata (.rustc) to
# support custom-derive plugins like #[proc_macro_derive(Foo)].
%if 0%{?rhel} && 0%{?rhel} < 8
# eu-strip is very eager by default, so we have to limit it to -g, only debugging symbols.
%global _find_debuginfo_opts -g
%undefine _include_minidebuginfo
%else
# Newer find-debuginfo.sh supports --keep-section, which is preferable. rhbz1465997
%global _find_debuginfo_opts --keep-section .rustc
%endif

%if %{without bundled_llvm}
%if 0%{?sle_version} != 150300
%if "%{llvm_root}" == "%{_prefix}" || 0%{?scl:1}
%global llvm_has_filecheck 1
%endif
%endif
%endif

# We're going to override --libdir when configuring to get rustlib into a
# common path, but we'll fix the shared libraries during install.
%global common_libdir %{_prefix}/lib
%global rustlibdir %{common_libdir}/rustlib

%if %defined mingw_targets
BuildRequires:  mingw32-filesystem >= 95
BuildRequires:  mingw64-filesystem >= 95
BuildRequires:  mingw32-crt
BuildRequires:  mingw64-crt
BuildRequires:  mingw32-gcc
BuildRequires:  mingw64-gcc
BuildRequires:  mingw32-winpthreads-static
BuildRequires:  mingw64-winpthreads-static
%endif

%if %defined wasm_targets
%if %with bundled_wasi_libc
BuildRequires:  clang
%else
BuildRequires:  wasi-libc-static
%endif
BuildRequires:  lld
%endif

# For profiler_builtins
%if !0%{?is_opensuse}
BuildRequires:  compiler-rt
%else
BuildRequires:  clang
BuildRequires:  ninja
BuildRequires:  lld
%endif

# This component was removed as of Rust 1.69.0.
# https://github.com/rust-lang/rust/pull/101841
Obsoletes:      %{name}-analysis < 1.69.0~

%description
Rust is a systems programming language that runs blazingly fast, prevents
segfaults, and guarantees thread safety.

This package includes the Rust compiler and documentation generator.


%package std-static
Summary:        Standard library for Rust
Provides:       %{name}-std-static-%{rust_triple} = %{version}-%{release}
Requires:       %{name} = %{version}-%{release}
Requires:       glibc-devel%{?_isa} >= 2.17

%description std-static
This package includes the standard libraries for building applications
written in Rust.

%if %defined mingw_targets
%{lua: do
  for triple in string.gmatch(rpm.expand("%{mingw_targets}"), "%S+") do
    local subs = {
      triple = triple,
      name = rpm.expand("%{name}"),
      verrel = rpm.expand("%{version}-%{release}"),
      mingw = string.sub(triple, 1, 4) == "i686" and "mingw32" or "mingw64",
    }
    local s = string.gsub([[

%package std-static-{{triple}}
Summary:        Standard library for Rust {{triple}}
BuildArch:      noarch
Provides:       {{mingw}}-rust = {{verrel}}
Provides:       {{mingw}}-rustc = {{verrel}}
Requires:       {{mingw}}-crt
Requires:       {{mingw}}-gcc
Requires:       {{mingw}}-winpthreads-static
Requires:       {{name}} = {{verrel}}

%description std-static-{{triple}}
This package includes the standard libraries for building applications
written in Rust for the MinGW target {{triple}}.

]], "{{(%w+)}}", subs)
    print(s)
  end
end}
%endif

%if %defined wasm_targets
%{lua: do
  for triple in string.gmatch(rpm.expand("%{wasm_targets}"), "%S+") do
    local subs = {
      triple = triple,
      name = rpm.expand("%{name}"),
      verrel = rpm.expand("%{version}-%{release}"),
      wasi = string.find(triple, "-wasi") and 1 or 0,
    }
    local s = string.gsub([[

%package std-static-{{triple}}
Summary:        Standard library for Rust {{triple}}
BuildArch:      noarch
Requires:       {{name}} = {{verrel}}
Requires:       lld >= 8.0
%if {{wasi}}
Provides:       bundled(wasi-libc)
%endif


%description std-static-{{triple}}
This package includes the standard libraries for building applications
written in Rust for the WebAssembly target {{triple}}.

]], "{{(%w+)}}", subs)
    print(s)
  end
end}
%endif


%package debugger-common
Summary:        Common debugger pretty printers for Rust
BuildArch:      noarch

%description debugger-common
This package includes the common functionality for %{name}-gdb and %{name}-lldb.


%package gdb
Summary:        GDB pretty printers for Rust
BuildArch:      noarch
Requires:       gdb
Requires:       %{name}-debugger-common = %{version}-%{release}

%description gdb
This package includes the rust-gdb script, which allows easier debugging of Rust
programs.


%if %with lldb

%package lldb
Summary:        LLDB pretty printers for Rust
BuildArch:      noarch
Requires:       lldb
Requires:       python3-lldb
Requires:       %{name}-debugger-common = %{version}-%{release}

%description lldb
This package includes the rust-lldb script, which allows easier debugging of Rust
programs.

%endif

%package doc
Summary:        Documentation for Rust
# NOT BuildArch:      noarch
# Note, while docs are mostly noarch, some things do vary by target_arch.
# Koji will fail the build in rpmdiff if two architectures build a noarch
# subpackage differently, so instead we have to keep its arch.

# Cargo no longer builds its own documentation
# https://github.com/rust-lang/cargo/pull/4904
# We used to keep a shim cargo-doc package, but now that's merged too.
Obsoletes:      cargo-doc < 1.65.0~
Provides:       cargo-doc = %{version}-%{release}

%description doc
This package includes HTML documentation for the Rust programming language and
its standard library.

%package -n cargo
Summary:        Rust's package manager and build tool
%if %with bundled_libgit2
Provides:       bundled(libgit2) = %{bundled_libgit2_version}
%endif
%if %with bundled_sqlite3
Provides:       bundled(sqlite) = %{bundled_sqlite3_version}
%endif
# For tests:
BuildRequires:  git-core
# Cargo is not much use without Rust
Requires:       %{name}

# "cargo vendor" is a builtin command starting with 1.37.  The Obsoletes and
# Provides are mostly relevant to RHEL, but harmless to have on Fedora/etc. too
Obsoletes:      cargo-vendor <= 0.1.23
Provides:       cargo-vendor = %{version}-%{release}

%description -n cargo
Cargo is a tool that allows Rust projects to declare their various dependencies
and ensure that you'll always get a repeatable build.


%package -n rustfmt
Summary:        Tool to find and fix Rust formatting issues
Requires:       cargo

# The component/package was rustfmt-preview until Rust 1.31.
Obsoletes:      rustfmt-preview < 1.0.0
Provides:       rustfmt-preview = %{version}-%{release}

%description -n rustfmt
A tool for formatting Rust code according to style guidelines.


%package analyzer
Summary:        Rust implementation of the Language Server Protocol

# The standard library sources are needed for most functionality.
%if 0%{?rhel} && 0%{?rhel} < 8
Requires:       %{name}-src
%else
Recommends:     %{name}-src
%endif

# RLS is no longer available as of Rust 1.65, but we're including the stub
# binary that implements LSP just enough to recommend rust-analyzer.
Obsoletes:      rls < 1.65.0~
# The component/package was rls-preview until Rust 1.31.
Obsoletes:      rls-preview < 1.31.6

%description analyzer
rust-analyzer is an implementation of Language Server Protocol for the Rust
programming language. It provides features like completion and goto definition
for many code editors, including VS Code, Emacs and Vim.


%package -n clippy
Summary:        Lints to catch common mistakes and improve your Rust code
Requires:       cargo
# /usr/bin/clippy-driver is dynamically linked against internal rustc libs
Requires:       %{name}%{?_isa} = %{version}-%{release}

# The component/package was clippy-preview until Rust 1.31.
Obsoletes:      clippy-preview <= 0.0.212
Provides:       clippy-preview = %{version}-%{release}

%description -n clippy
A collection of lints to catch common mistakes and improve your Rust code.


%package src
Summary:        Sources for the Rust standard library
BuildArch:      noarch
%if 0%{?rhel} && 0%{?rhel} < 8
Requires:       %{name}-std-static = %{version}-%{release}
%else
Recommends:     %{name}-std-static = %{version}-%{release}
%endif

%description src
This package includes source files for the Rust standard library.  It may be
useful as a reference for code completion tools in various editors.


%if 0%{?rhel}

%package toolset
Summary:        Rust Toolset
BuildArch:      noarch
Requires:       rust = %{version}-%{release}
Requires:       cargo = %{version}-%{release}

%description toolset
This is the metapackage for Rust Toolset, bringing in the Rust compiler,
the Cargo package manager, and a few convenience macros for rpm builds.

%endif


%prep
%if %defined wasm_targets
%setup -q -n %{wasi_libc_name} -T -b 1
%endif

%ifarch %{bootstrap_arches}
%setup -q -n %{bootstrap_root}
./%{bootstrap_source}/install.sh --components=cargo,rustc,rust-std-%{rust_triple} \
  --prefix=%{local_rust_root} --disable-ldconfig
test -f '%{local_rust_root}/bin/cargo'
test -f '%{local_rust_root}/bin/rustc'
%endif

%patch -P1 -p1
%patch -P2 -p1
%patch -P3 -p1
%patch -P4 -p1
%if %without bundled_wasi_libc
%patch -P5 -p1
%endif
%if %without bundled_sqlite3
%patch -P6 -p1
%endif
%patch -P7 -p1
%patch -P8 -p1
 
%if %with disabled_libssh2
%patch -P100 -p1
%endif


# Use our explicit python3 first
sed -i.try-python -e '/^try python3 /i try "%{__python3}" "$@"' ./configure

# Set a substitute-path in rust-gdb for standard library sources.
sed -i.rust-src -e "s#@BUILDDIR@#$PWD#" ./src/etc/rust-gdb

%if %without bundled_llvm
rm -rf src/llvm-project/
mkdir -p src/llvm-project/libunwind/
%endif

# Remove other unused vendored libraries
rm -rf vendor/curl-sys*/curl/
rm -rf vendor/*jemalloc-sys*/jemalloc/
rm -rf vendor/libffi-sys*/libffi/
rm -rf vendor/libmimalloc-sys*/c_src/mimalloc/
rm -rf vendor/libsqlite3-sys*/sqlcipher/
rm -rf vendor/libssh2-sys*/libssh2/
rm -rf vendor/libz-sys*/src/zlib{,-ng}/
rm -rf vendor/lzma-sys*/xz-*/
rm -rf vendor/openssl-src*/openssl/

%if %without bundled_libgit2
rm -rf vendor/libgit2-sys*/libgit2/
%endif

%if %without bundled_sqlite3
rm -rf vendor/libsqlite3-sys*/sqlite3/
%endif

%if %with disabled_libssh2
rm -rf vendor/libssh2-sys*/
%endif

# This only affects the transient rust-installer, but let it use our dynamic xz-libs
sed -i.lzma -e '/LZMA_API_STATIC/d' src/bootstrap/src/core/build_steps/tool.rs

%if %{with bundled_llvm} && 0%{?epel} == 7
mkdir -p cmake-bin
ln -s /usr/bin/cmake3 cmake-bin/cmake
%global cmake_path $PWD/cmake-bin
%endif

%if %{without bundled_llvm} && %{with llvm_static}
# Static linking to distro LLVM needs to add -lffi
# https://github.com/rust-lang/rust/issues/34486
sed -i.ffi -e '$a #[link(name = "ffi")] extern {}' \
  compiler/rustc_llvm/src/lib.rs
%endif

# The configure macro will modify some autoconf-related files, which upsets
# cargo when it tries to verify checksums in those files.  If we just truncate
# that file list, cargo won't have anything to complain about.
find vendor -name .cargo-checksum.json \
  -exec sed -i.uncheck -e 's/"files":{[^}]*}/"files":{ }/' '{}' '+'

# Sometimes Rust sources start with #![...] attributes, and "smart" editors think
# it's a shebang and make them executable. Then brp-mangle-shebangs gets upset...
find -name '*.rs' -type f -perm /111 -exec chmod -v -x '{}' '+'

# The distro flags are only appropriate for the host, not our cross-targets,
# and they're not as fine-grained as the settings we choose for std vs rustc.
%if %defined build_rustflags
%global build_rustflags %{nil}
%endif

# These are similar to __cflags_arch_* in /usr/lib/rpm/redhat/macros
%global rustc_target_cpus %{lua: do
  local fedora = tonumber(rpm.expand("0%{?fedora}"))
  local rhel = tonumber(rpm.expand("0%{?rhel}"))
  local env =
    " RUSTC_TARGET_CPU_X86_64=x86-64" .. ((rhel >= 10) and "-v3" or (rhel == 9) and "-v2" or "")
    .. " RUSTC_TARGET_CPU_PPC64LE=" .. ((rhel >= 9) and "pwr9" or "pwr8")
    .. " RUSTC_TARGET_CPU_S390X=" ..
        ((rhel >= 9) and "z14" or (rhel == 8 or fedora >= 38) and "z13" or
         (fedora >= 26) and "zEC12" or (rhel == 7) and "z196" or "z10")
  print(env)
end}

# Set up shared environment variables for build/install/check.
# *_USE_PKG_CONFIG=1 convinces *-sys crates to use the system library.
%global rust_env %{shrink:
  %{?rustflags:RUSTFLAGS="%{rustflags}"}
  %{rustc_target_cpus}
  %{!?with_bundled_sqlite3:LIBSQLITE3_SYS_USE_PKG_CONFIG=1}
  %{!?with_disabled_libssh2:LIBSSH2_SYS_USE_PKG_CONFIG=1}
}
%global export_rust_env export %{rust_env}

%build
%{export_rust_env}

%ifarch %{arm} %{ix86}
# full debuginfo is exhausting memory; just do libstd for now
# https://github.com/rust-lang/rust/issues/45854
%if 0%{?rhel} && 0%{?rhel} < 8
# Older rpmbuild didn't work with partial debuginfo coverage.
%global debug_package %{nil}
%define enable_debuginfo --debuginfo-level=0
%else
%define enable_debuginfo --debuginfo-level=0 --debuginfo-level-std=2
%endif
%else
%define enable_debuginfo --debuginfo-level=2
%endif

# Some builders have relatively little memory for their CPU count.
# At least 2GB per CPU is a good rule of thumb for building rustc.
ncpus=$(/usr/bin/getconf _NPROCESSORS_ONLN)
max_cpus=$(( ($(free -g | awk '/^Mem:/{print $2}') + 1) / 2 ))
if [ "$max_cpus" -ge 1 -a "$max_cpus" -lt "$ncpus" ]; then
  ncpus="$max_cpus"
fi

%if %defined mingw_targets
%{lua: do
  local cfg = ""
  for triple in string.gmatch(rpm.expand("%{mingw_targets}"), "%S+") do
    local subs = {
      triple = triple,
      mingw = string.sub(triple, 1, 4) == "i686" and "mingw32" or "mingw64",
    }
    local s = string.gsub([[
      --set target.{{triple}}.linker=%{{{mingw}}_cc}
      --set target.{{triple}}.cc=%{{{mingw}}_cc}
      --set target.{{triple}}.ar=%{{{mingw}}_ar}
      --set target.{{triple}}.ranlib=%{{{mingw}}_ranlib}
    ]], "{{(%w+)}}", subs)
    cfg = cfg .. " " .. s
  end
  cfg = string.gsub(cfg, "%s+", " ")
  rpm.define("mingw_target_config " .. cfg)
end}
%endif

%if %defined wasm_targets
%make_build --quiet -C %{wasi_libc_dir} CC=clang AR=llvm-ar NM=llvm-nm
%{lua: do
  local wasi_root = rpm.expand("%{wasi_libc_dir}") .. "/sysroot"
  local cfg = ""
  for triple in string.gmatch(rpm.expand("%{wasm_targets}"), "%S+") do
    if string.find(triple, "-wasi") then
      cfg = cfg .. " --set target." .. triple .. ".wasi-root=" .. wasi_root
    end
  end
  rpm.define("wasm_target_config "..cfg)
end}
%endif

# The exact profiler path is version dependent, and uses LLVM-specific
# arch names in the filename, but this find is good enough for now...
%if 0%{?clang_major_version} >= 17
%define profiler %{clang_resource_dir}/lib/%{_arch}-redhat-linux-gnu/libclang_rt.profile.a
%else
# The exact profiler path is version dependent..
%define profiler %(echo %{_libdir}/clang/??/lib/libclang_rt.profile-*.a)
%endif

%if 0%{?is_opensuse}
%define profiler $(find /usr -type f -name 'libclang_rt.profile-x86_64.a')
%endif

%configure --disable-option-checking \
  --docdir=%{_pkgdocdir} \
  --libdir=%{common_libdir} \
  --build=%{rust_triple} --host=%{rust_triple} --target=%{rust_triple} \
  --set target.%{rust_triple}.linker=%{__cc} \
  --set target.%{rust_triple}.cc=%{__cc} \
  --set target.%{rust_triple}.cxx=%{__cxx} \
  --set target.%{rust_triple}.ar=%{__ar} \
  --set target.%{rust_triple}.ranlib=%{__ranlib} \
  --set target.%{rust_triple}.profiler="%{profiler}" \
  %{?mingw_target_config} \
  %{?wasm_target_config} \
  --python=%{__python3} \
  --local-rust-root=%{local_rust_root} \
  --set build.rustfmt=/bin/true \
  %{!?with_bundled_llvm: --llvm-root=%{llvm_root} \
  %{!?llvm_has_filecheck: --disable-codegen-tests} \
  %{!?with_llvm_static: --enable-llvm-link-shared } } \
  --disable-llvm-static-stdcpp \
  --disable-rpath \
  --disable-lld \
  %{enable_debuginfo} \
  --set rust.codegen-units-std=1 \
  --set build.build-stage=2 \
  --set build.doc-stage=2 \
  --set build.install-stage=2 \
  --set build.test-stage=2 \
  --set build.optimized-compiler-builtins=false \
  --disable-docs \
  --disable-compiler-docs \
  --enable-extended \
  --tools=cargo,clippy,rls,rust-analyzer,rustfmt,src \
  --enable-vendor \
  --enable-verbose-tests \
  --dist-compression-formats=gz \
  --release-channel=%{channel} \
  --release-description="%{?fedora:Fedora }%{?rhel:Red Hat }%{version}-%{release}"

%{__python3} ./x.py build -j "$ncpus"


for triple in %{?mingw_targets} %{?wasm_targets}; do
  %{__python3} ./x.py build --target=$triple std
done

%install
%if 0%{?rhel} && 0%{?rhel} <= 9
%{?set_build_flags}
%endif
%{export_rust_env}

ncpus=$(/usr/bin/getconf _NPROCESSORS_ONLN)
max_cpus=$(( ($(free -g | awk '/^Mem:/{print $2}') + 1) / 2 ))
if [ "$max_cpus" -ge 1 -a "$max_cpus" -lt "$ncpus" ]; then
  ncpus="$max_cpus"
fi

DESTDIR=%{buildroot} %{__python3} ./x.py install  -j "$ncpus"

for triple in %{?mingw_targets} %{?wasm_targets}; do
  DESTDIR=%{buildroot} %{__python3} ./x.py install --target=$triple std
done

# The rls stub doesn't have an install target, but we can just copy it.
%{__install} -t %{buildroot}%{_bindir} build/%{rust_triple}/stage2-tools-bin/rls

# These are transient files used by x.py dist and install
rm -rf ./build/dist/ ./build/tmp/

# Some of the components duplicate-install binaries, leaving backups we don't want
rm -f %{buildroot}%{_bindir}/*.old

# Make sure the shared libraries are in the proper libdir
%if "%{_libdir}" != "%{common_libdir}"
mkdir -p %{buildroot}%{_libdir}
find %{buildroot}%{common_libdir} -maxdepth 1 -type f -name '*.so' \
  -exec mv -v -t %{buildroot}%{_libdir} '{}' '+'
%endif

# The shared libraries should be executable for debuginfo extraction.
find %{buildroot}%{_libdir} -maxdepth 1 -type f -name '*.so' \
  -exec chmod -v +x '{}' '+'

# The libdir libraries are identical to those under rustlib/.  It's easier on
# library loading if we keep them in libdir, but we do need them in rustlib/
# to support dynamic linking for compiler plugins, so we'll symlink.
find %{buildroot}%{rustlibdir}/%{rust_triple}/lib/ -maxdepth 1 -type f -name '*.so' |
while read lib; do
 lib2="%{buildroot}%{_libdir}/${lib##*/}"
 if [ -f "$lib2" ]; then
   # make sure they're actually identical!
   cmp "$lib" "$lib2"
   ln -v -f -r -s -T "$lib2" "$lib"
 fi
done

# Remove installer artifacts (manifests, uninstall scripts, etc.)
find %{buildroot}%{rustlibdir} -maxdepth 1 -type f -exec rm -v '{}' '+'

# Remove backup files from %%configure munging
find %{buildroot}%{rustlibdir} -type f -name '*.orig' -exec rm -v '{}' '+'

# https://fedoraproject.org/wiki/Changes/Make_ambiguous_python_shebangs_error
# We don't actually need to ship any of those python scripts in rust-src anyway.
find %{buildroot}%{rustlibdir}/src -type f -name '*.py' -exec rm -v '{}' '+'

# FIXME: __os_install_post will strip the rlibs
# -- should we find a way to preserve debuginfo?

# Remove unwanted documentation files (we already package them)
rm -f %{buildroot}%{_pkgdocdir}/README.md
rm -f %{buildroot}%{_pkgdocdir}/COPYRIGHT
rm -f %{buildroot}%{_pkgdocdir}/LICENSE
rm -f %{buildroot}%{_pkgdocdir}/LICENSE-APACHE
rm -f %{buildroot}%{_pkgdocdir}/LICENSE-MIT
rm -f %{buildroot}%{_pkgdocdir}/LICENSE-THIRD-PARTY
rm -f %{buildroot}%{_pkgdocdir}/*.old

# Create the path for crate-devel packages
mkdir -p %{buildroot}%{_datadir}/cargo/registry

# Cargo no longer builds its own documentation
# https://github.com/rust-lang/cargo/pull/4904
mkdir -p %{buildroot}%{_docdir}/cargo

%if %without lldb
rm -f %{buildroot}%{_bindir}/rust-lldb
rm -f %{buildroot}%{rustlibdir}/etc/lldb_*
%endif

# We don't want Rust copies of LLVM tools (rust-lld, rust-llvm-dwp)
rm -f %{buildroot}%{rustlibdir}/%{rust_triple}/bin/rust-ll*

%if 0%{?rhel}
# This allows users to build packages using Rust Toolset.
%{__install} -D -m 644 %{S:100} %{buildroot}%{rpmmacrodir}/macros.rust-toolset
%endif

%check
%if 0%{?rhel} && 0%{?rhel} <= 9
%{?set_build_flags}
%endif
%{export_rust_env}

# Sanity-check the installed binaries, debuginfo-stripped and all.
TMP_HELLO=$(mktemp -d)
(
  cd "$TMP_HELLO"
  export RUSTC=%{buildroot}%{_bindir}/rustc \
    LD_LIBRARY_PATH="%{buildroot}%{_libdir}:$LD_LIBRARY_PATH"
  %{buildroot}%{_bindir}/cargo init --name hello-world
  %{buildroot}%{_bindir}/cargo run --verbose
 
  # Sanity-check that code-coverage builds and runs
  env RUSTFLAGS="-Cinstrument-coverage" %{buildroot}%{_bindir}/cargo run --verbose
  test -r default_*.profraw
 
  # Try a build sanity-check for other std-enabled targets
  for triple in %{?mingw_targets} %{?wasm_targets}; do
    %{buildroot}%{_bindir}/cargo build --verbose --target=$triple
  done
)
rm -rf "$TMP_HELLO"
 
# The results are not stable on koji, so mask errors and just log it.
# Some of the larger test artifacts are manually cleaned to save space.
 
# Bootstrap is excluded because it's not something we ship, and a lot of its
# tests are geared toward the upstream CI environment.
%{__xk} test --no-fail-fast --skip src/bootstrap || :
rm -rf "./build/%{rust_triple}/test/"
 
%{__xk} test --no-fail-fast cargo || :
rm -rf "./build/%{rust_triple}/stage2-tools/%{rust_triple}/cit/"
 
%{__xk} test --no-fail-fast clippy || :
 
%{__xk} test --no-fail-fast rust-analyzer || :
 
%{__xk} test --no-fail-fast rustfmt || :


%ldconfig_scriptlets


%files
%license COPYRIGHT LICENSE-APACHE LICENSE-MIT
%doc README.md
%{_bindir}/rustc
%{_libdir}/*.so
%dir %_prefix/libexec
%_prefix/libexec/rust-analyzer-proc-macro-srv
%{_mandir}/man1/rustc.1*
%{_mandir}/man1/rustdoc.1*
%dir %{rustlibdir}
%dir %{rustlibdir}/%{rust_triple}
%dir %{rustlibdir}/%{rust_triple}/lib
%{rustlibdir}/%{rust_triple}/lib/*.so


%files std-static
%dir %{rustlibdir}
%dir %{rustlibdir}/%{rust_triple}
%dir %{rustlibdir}/%{rust_triple}/lib
%{rustlibdir}/%{rust_triple}/lib/*.rlib


%if %defined mingw_targets
%{lua: do
  for triple in string.gmatch(rpm.expand("%{mingw_targets}"), "%S+") do
    local subs = {
      triple = triple,
      rustlibdir = rpm.expand("%{rustlibdir}"),
    }
    local s = string.gsub([[

%files std-static-{{triple}}
%dir {{rustlibdir}}
%dir {{rustlibdir}}/{{triple}}
%dir {{rustlibdir}}/{{triple}}/lib
{{rustlibdir}}/{{triple}}/lib/*.rlib
{{rustlibdir}}/{{triple}}/lib/rs*.o
%exclude {{rustlibdir}}/{{triple}}/lib/*.dll
%exclude {{rustlibdir}}/{{triple}}/lib/*.dll.a
%exclude {{rustlibdir}}/{{triple}}/lib/self-contained

]], "{{(%w+)}}", subs)
    print(s)
  end
end}
%endif


%if %defined wasm_targets
%{lua: do
  for triple in string.gmatch(rpm.expand("%{wasm_targets}"), "%S+") do
    local subs = {
      triple = triple,
      rustlibdir = rpm.expand("%{rustlibdir}"),
      wasi = string.find(triple, "-wasi") and 1 or 0,
    }
    local s = string.gsub([[

%files std-static-{{triple}}
%dir {{rustlibdir}}
%dir {{rustlibdir}}/{{triple}}
%dir {{rustlibdir}}/{{triple}}/lib
{{rustlibdir}}/{{triple}}/lib/*.rlib
%if {{wasi}}
%dir {{rustlibdir}}/{{triple}}/lib/self-contained
{{rustlibdir}}/{{triple}}/lib/self-contained/crt*.o
{{rustlibdir}}/{{triple}}/lib/self-contained/libc.a
%endif

]], "{{(%w+)}}", subs)
    print(s)
  end
end}
%endif


%files debugger-common
%dir %{rustlibdir}
%dir %{rustlibdir}/etc
%{rustlibdir}/etc/rust_*.py*


%files gdb
%{_bindir}/rust-gdb
%{rustlibdir}/etc/gdb_*
%exclude %{_bindir}/rust-gdbgui


%if %with lldb
%files lldb
%{_bindir}/rust-lldb
%{rustlibdir}/etc/lldb_*
%endif


%files doc
%docdir %{_docdir}/%{name}
%dir %{_docdir}/%{name}
# former cargo-doc
%docdir %{_docdir}/cargo
%dir %{_docdir}/cargo

%files -n cargo
%license src/tools/cargo/LICENSE-{APACHE,MIT,THIRD-PARTY}
%doc src/tools/cargo/README.md
%{_bindir}/cargo
%{_mandir}/man1/cargo*.1*
%{_sysconfdir}/bash_completion.d/cargo
%dir %{_datadir}/zsh
%dir %{_datadir}/zsh/site-functions
%{_datadir}/zsh/site-functions/_cargo
%dir %{_datadir}/cargo
%dir %{_datadir}/cargo/registry


%files -n rustfmt
%{_bindir}/rustfmt
%{_bindir}/cargo-fmt
%doc src/tools/rustfmt/{README,CHANGELOG,Configurations}.md
%license src/tools/rustfmt/LICENSE-{APACHE,MIT}


%files analyzer
%{_bindir}/rls
%{_bindir}/rust-analyzer
%doc src/tools/rust-analyzer/README.md
%license src/tools/rust-analyzer/LICENSE-{APACHE,MIT}


%files -n clippy
%{_bindir}/cargo-clippy
%{_bindir}/clippy-driver
%doc src/tools/clippy/{README.md,CHANGELOG.md}
%license src/tools/clippy/LICENSE-{APACHE,MIT}


%files src
%dir %{rustlibdir}
%{rustlibdir}/src


%if 0%{?rhel}
%files toolset
%{rpmmacrodir}/macros.rust-toolset
%endif


%changelog