%global debug_package %{nil}
%define _build_id_links none

%if 0%{?rhel} && 0%{?rhel} < 10
%global gcc_toolset_env /opt/rh/gcc-toolset-15/enable
%else
%global gcc_toolset_env /usr/lib/gcc-toolset/15-env.source
%endif

%global luajit_version_major 2
%global luajit_version_minor 1
%global luajit_version_patch 1788460057

# Full commit hash corresponding to 24c20c9
%global luajit_commit 24c20c94e7db195b640854619577441f9b4bc6be
%global luajit_commit_short 24c20c9

%global api_ver 2.1

Name:           luajit
Version:        %{luajit_version_major}.%{luajit_version_minor}.%{luajit_version_patch}
Release:        %autorelease
Summary:        Just-In-Time Compiler for Lua

License:        MIT
URL:            https://luajit.org
Source0:        https://github.com/LuaJIT/LuaJIT/archive/%{luajit_commit}.tar.gz#/%{name}-%{luajit_commit}.tar.gz

BuildRequires:  make
BuildRequires:  pkgconfig
BuildRequires:  gcc-toolset-15-gcc
BuildRequires:  gcc-toolset-15-gcc-c++
BuildRequires:  gcc-toolset-15-gcc-plugin-annobin

Provides:       lua(abi) = 5.1

%description
LuaJIT implements the full set of language features defined by Lua 5.1.
The virtual machine (VM) is API- and ABI-compatible with the standard
Lua interpreter and can be deployed as a drop-in replacement.

%package devel
Summary: Development files for %{name}

Requires: %{name}%{?_isa} = %{version}-%{release}

%description devel
Development headers, pkg-config metadata and linker symlinks for LuaJIT.


%prep
%autosetup -n LuaJIT-%{luajit_commit}

echo "%{luajit_version_patch}" > .relver

# Enable Lua 5.2 compatibility
sed -i \
    -e '/-DLUAJIT_ENABLE_LUA52COMPAT/s/^#//' \
    src/Makefile

# Preserve timestamps during install
sed -i \
    -e '/install -m/s/-m/-p -m/' \
    Makefile


%build
. %{gcc_toolset_env}

# Build using amalgamation as recommended by upstream.
make amalg \
     Q= \
     E=@: \
     PREFIX=%{_prefix} \
     TARGET_STRIP=: \
     MULTILIB=%{_lib} \
     CFLAGS="%{build_cflags}" \
     LDFLAGS="%{build_ldflags}" \
     %{?_smp_mflags}


%install
. %{gcc_toolset_env}

%make_install \
    PREFIX=%{_prefix} \
    MULTILIB=%{_lib}

# Remove static library
find %{buildroot} -type f -name '*.a' -delete

%ldconfig_scriptlets


%files
%license COPYRIGHT
%doc README.md

%{_bindir}/luajit
%{_bindir}/luajit-*

%{_libdir}/libluajit-5.1.so.*

%{_mandir}/man1/luajit.1*

%dir %{_datadir}/luajit-%{luajit_version_major}.%{luajit_version_minor}
%{_datadir}/luajit-%{luajit_version_major}.%{luajit_version_minor}/*

%files devel
%{_includedir}/luajit-%{api_ver}/
%{_libdir}/libluajit-5.1.so
%{_libdir}/pkgconfig/luajit.pc


%changelog
%autochangelog