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File glslang.spec of Package glslang

#
# spec file for package glslang
#
# Copyright (c) 2024 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/
#

%define lname libglslang14
Name:           glslang
Version:        14.1.0
Release:        0
Summary:        OpenGL and OpenGL ES shader front end and validator
License:        BSD-3-Clause
Group:          Development/Libraries/C and C++
URL:            https://www.khronos.org/opengles/sdk/tools/Reference-Compiler/
#Git-URL:	https://github.com/KhronosGroup/glslang
Source:         https://github.com/KhronosGroup/glslang/archive/refs/tags/%version.tar.gz
Source3:        baselibs.conf
# https://src.fedoraproject.org/rpms/glslang/tree/rawhide
# otherwise this garbage hardcodes broken '/usr/include/External' definition which trips its dependants
Patch:          glslang_pkg-config-compatibility.patch
BuildRequires:  bison
BuildRequires:  cmake >= 3.14.0
BuildRequires:  fdupes
BuildRequires:  python3-base
BuildRequires:  spirv-tools-devel >= 2024.1~rc1
%if 0%{?suse_version} && 0%{?suse_version} < 1599
BuildRequires:  gcc11-c++
%else
BuildRequires:  c++_compiler
%endif

%description
glslang is a compiler front end for the OpenGL ES and OpenGL shading
languages. It implements a strict interpretation of the
specifications for these languages.

%package -n %lname
Summary:        OpenGL and OpenGL ES shader front end implementation
Group:          System/Libraries

%description -n %lname
glslang is a 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:        OpenGL and OpenGL ES shader front end and validator
Group:          Development/Libraries/C and C++
Requires:       %lname = %version

%description devel
glslang is a compiler front end for the OpenGL ES and OpenGL shading
languages. It implements a strict interpretation of the
specifications for these languages.

spirv-remap is a utility to improve compression of SPIR-V binary
files via entropy reduction, plus optional stripping of debug
information and load/store optimization. It transforms SPIR-V to
SPIR-V, remapping IDs. The resulting modules have an increased ID
range (IDs are not as tightly packed around zero), but will compress
better when multiple modules are compressed together, since
compressor's dictionary can find better cross module commonality.

%package nonstd-devel
Summary:        Secondary set of header files for glslang
Group:          Development/Libraries/C and C++
Requires:       %lname = %version
BuildArch:      noarch

%description nonstd-devel
glslang is a compiler front end for the OpenGL ES and OpenGL shading
languages. It implements a strict interpretation of the
specifications for these languages.

This package contains additional headers that are not officially installed,
but which some downstream packages rely on.

%prep
%autosetup -p1

%build
%global _lto_cflags %{?_lto_cflags} -ffat-lto-objects
# ABI keeps on breaking (gh#3052 #3311 #3312)
echo "V_%version { global: *; };" >/tmp/z.sym
%if 0%{?suse_version} && 0%{?suse_version} < 1599
export CC=gcc-11 CXX=g++-11
%endif
# Trim -Wl,--no-undefined for now (https://github.com/KhronosGroup/glslang/issues/1484)
%cmake -DCMAKE_SHARED_LINKER_FLAGS="-Wl,--as-needed -Wl,-z,now" \
	-DALLOW_EXTERNAL_SPIRV_TOOLS:BOOL=ON -DENABLE_OPT:BOOL=ON
%make_build

%install
%global _lto_cflags %_lto_cflags -ffat-lto-objects
od="$PWD"
%cmake_install

b="%buildroot"
pushd "$b"
(
	find usr/include -mindepth 1 -type d -printf "%%%%dir /%p\n"
	find usr/include "(" -type f -o -type l ")" -printf "/%p\n"
) | sort >"$od/devel.files"
popd

# no, idiots, this is correct, don't mess with it and fix/remove your shitty cmake-files instead!
mkdir -p "$b/%_includedir"
cp -a SPIRV StandAlone glslang "$b/%_includedir/"
#find "$b/%_includedir/" -type f ! -iname "*.h" -a ! -iname "*.hpp" -print -delete
#ln -s SPIRV/spirv.hpp "$b/%_includedir/"
find "$b/%_includedir/" -type f -exec chmod a-x "{}" "+"

pushd "$b"
(
	find usr/include -mindepth 1 -type d -printf "%%%%dir /%p\n"
	find usr/include "(" -type f -o -type l ")" -printf "/%p\n"
) | sort >"$od/devel_full.files"
popd
comm -13 "$od/devel.files" "$od/devel_full.files" >"$od/devel2.files"

# 3rd party programs use -lOSDependent (because pristine glslang shipped .a
# files), so satisfy them under our shared build.
mkdir -p "$b/%_libdir"
for i in libOSDependent libGenericCodeGen libMachineIndependent; do
	ln -s libglslang.so "$b/%_libdir/$i.so"
	rm -f "$b/%_libdir/$i.a"
done
# Gone with glslang 14, redirect to main file
for i in libHLSL libOGLCompiler; do
	ln -s libglslang.so "$b/%_libdir/$i.so"
	rm -f "$b/%_libdir/$i.a"
done

%fdupes %buildroot/%_prefix

%post   -n %lname -p /sbin/ldconfig
%postun -n %lname -p /sbin/ldconfig

%files -n %lname
%_libdir/*.so.14*

%files devel -f devel.files
%_libdir/pkgconfig/*.pc
%_bindir/gls*
%_bindir/spirv*
%_libdir/cmake/
%_libdir/libGenericCodeGen.so
%_libdir/libHLSL.so
%_libdir/libMachineIndependent.so
%_libdir/libOGLCompiler.so
%_libdir/libOSDependent.so
%_libdir/libSPIRV.so
%_libdir/libSPVRemapper.so
%_libdir/libglslang.so
%_libdir/libglslang-default-resource-limits.so

%files nonstd-devel -f devel2.files

%changelog

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File glslang.spec of Package glslang

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