%global debug_package %{nil}
%global zen zen1
Name:           linux-zen
Version:        6.7.2
Release:        1%{?dist}
Summary:        Linux kernel and modules with Zen patches

License:        GPL-2.0-only
URL:            http://www.zen-kernel.org/
Source0:        v%{version}-%{zen}.tar.gz
Patch0:		0000-NTPatch.patch
Patch1:		0001-NTPatch.patch
Patch2:		0002-NTPatch.patch
Patch3:		0003-NTPatch.patch
Patch4:		0004-NTPatch.patch
Patch5:		0005-NTPatch.patch
Patch6:		0006-NTPatch.patch
Patch7:		0007-NTPatch.patch
Patch8:		0008-NTPatch.patch

BuildRequires:  gcc, make, flex, bison, ncurses-devel, elfutils-libelf-devel, openssl-devel

%description
Linux kernel and modules with Zen patches (%{version} series) compiled with Clang.

%prep
%setup -q -n zen-kernel-%{version}-%{zen}
cp %{_sourcedir}/.config .config

%patch0 -p1
%patch1 -p1
%patch2 -p1
%patch3 -p1
%patch4 -p1
%patch5 -p1
%patch6 -p1
%patch7 -p1
%patch8 -p1

%build
# Set environment variables for Clang and LLVM tools
export CC=clang
export CXX=clang++
export LD=ld.lld
export AR=llvm-ar
export NM=llvm-nm
export STRIP=llvm-strip
export OBJCOPY=llvm-objcopy
export OBJDUMP=llvm-objdump
export HOSTCC=clang
export HOSTCXX=clang++
export HOSTLD=ld.lld
export HOSTAR=llvm-ar
export HOSTNM=llvm-nm
export HOSTSTRIP=llvm-strip
export HOSTOBJCOPY=llvm-objcopy
export HOSTOBJDUMP=llvm-objdump

# Adjust CFLAGS and LDFLAGS to remove unsupported and unused arguments when using Clang
%if "%{__cc}" == "clang"
export CFLAGS=$(echo %{optflags} | sed 's/-ffat-lto-objects//')
export CXXFLAGS=$(echo %{optflags} | sed 's/-ffat-lto-objects//')
export LDFLAGS=$(echo %{__global_ldflags} | sed 's/-specs=\/usr\/lib\/rpm\/redhat\/redhat-hardened-ld//')
%else
export CFLAGS="%{optflags}"
export CXXFLAGS="%{optflags}"
export LDFLAGS="%{__global_ldflags}"
%endif

make LLVM=1 %{?_smp_mflags}

%install
make modules_install INSTALL_MOD_PATH=%{buildroot}

# Define the path for vmlinuz file
VMLINUX_PATH=%{buildroot}/boot

# Create the boot directory
mkdir -p $VMLINUX_PATH

# Navigate to the directory where vmlinux is located
cd %{_builddir}/zen-kernel-%{version}-%{zen}

# Compress vmlinux and move it to the vmlinuz path
gzip -c vmlinux > $VMLINUX_PATH/vmlinuz-%{version}-%{zen}

%files
/boot/vmlinuz-%{version}-%{zen}
/lib/modules/*

%changelog
* Fri Jan 27 2024 Wizzard <rich@bandaholics.cash>
- Initial package version