%global _trivial .0
%global _buildid .2
%global sdkver 1.3.296.0

Name:           glslang
Version:        15.0.0
Release:        1%{dist}%{?_trivial}%{?_buildid}
Summary:        OpenGL and OpenGL ES shader front end and validator

License:        BSD-2-Clause AND BSD-3-Clause AND GPL-3.0-or-later AND Apache-2.0
URL:            https://github.com/KhronosGroup/%{name}
Source0:        %url/archive/vulkan-sdk-%{sdkver}.tar.gz#/%{name}-sdk-%{sdkver}.tar.gz
Patch3:         0001-pkg-config-compatibility.patch

%if %{?amzn} == 2023
BuildRequires:  gcc14
BuildRequires:  gcc14-c++
%global toolchain gcc14
%else
BuildRequires:  gcc
BuildRequires:  gcc-c++
%endif
BuildRequires:  cmake3
BuildRequires:  ninja-build
BuildRequires:  spirv-tools-devel
BuildRequires:  spirv-tools-libs

%description
%{name} is the official reference compiler front end for the OpenGL
ES and OpenGL shading languages. It implements a strict
interpretation of the specifications for these languages.

%package devel
Summary:        Development files for %{name}
Requires:       %{name}%{?_isa} = %{version}-%{release}

%description devel
%{name} is the official reference compiler front end for the OpenGL
ES and OpenGL shading languages. It implements a strict
interpretation of the specifications for these languages.

%prep
%autosetup -p1 -n %{name}-vulkan-sdk-%{sdkver}
find . -name '*.h' -or -name '*.cpp' -or -name '*.hpp' | xargs chmod a-x

%build
# Stage 1: build static libraries
mkdir static-build && pushd static-build
%cmake3 .. \
  -G Ninja \
  -DBUILD_SHARED_LIBS=OFF \
  -DCMAKE_INSTALL_PREFIX=%{_prefix} \
  -DENABLE_SPVREMAPPER=ON \
  -DENABLE_OPT=ON
%cmake_build
popd

# Stage 2: build shared libraries
mkdir shared-build && pushd shared-build
%cmake3 .. \
  -G Ninja \
  -DBUILD_SHARED_LIBS=ON \
  -DCMAKE_SHARED_LINKER_FLAGS="-lSPIRV-Tools -lSPIRV-Tools-opt" \
  -DCMAKE_INSTALL_PREFIX=%{_prefix} \
  -DENABLE_SPVREMAPPER=ON \
  -DENABLE_OPT=ON
%cmake_build
popd

%install
# Install shared library build
pushd shared-build
%cmake_install
popd

# Manually install static libraries
find static-build/amazon-linux-build -name '*.a' -exec install -m 644 {} %{buildroot}%{_libdir}/ \;


# If missing, generate and install glslang.pc manually
mkdir -p %{buildroot}%{_libdir}/pkgconfig
cat > %{buildroot}%{_libdir}/pkgconfig/glslang.pc <<EOF
prefix=%{_prefix}
exec_prefix=\${prefix}
libdir=\${exec_prefix}/lib64
includedir=\${prefix}/include

Name: glslang
Description: Khronos reference GLSL/SPIR-V compiler
Version: %{version}
Libs: -L\${libdir} -lglslang
Cflags: -I\${includedir}
EOF

# Don't ship SPIRV headers
rm -rf %{buildroot}%{_includedir}/SPIRV



%files
%doc README.md README-spirv-remap.txt
%{_bindir}/glslang
%{_bindir}/glslangValidator
%{_bindir}/spirv-remap

%files devel
%{_includedir}/glslang/
%{_libdir}/*.a
%{_libdir}/pkgconfig/glslang.pc
%{_libdir}/pkgconfig/spirv.pc
%{_libdir}/cmake/*
# Shared libraries
%{_libdir}/*.so
%{_libdir}/*.so.*


%changelog
* Tue Jan 31 2023 Stewart Smith <trawets@amazon.com> - 11.6.0-1.20210825.git2fb89a0.amzn2023.0.2
- Mass rebuild for AL2023

* Mon Oct 03 2022 Stewart Smith <trawets@amazon.com> - 11.6.0-1.20210825.git2fb89a0.amzn2022.0.1
- AL2022 pre-GA mass rebuild


%autochangelog