%define major         1
%define libname       %mklibname z %{major}
%define develname     %mklibname z -d
%define sdevelname    %mklibname z -d -s

%define major_ng      2
%define libname_ng    %mklibname z-ng %{major_ng}
%define develname_ng  %mklibname z-ng -d
%define sdevelname_ng %mklibname z-ng -d -s

# when building for old releases,
# set bcond_with replace_zlib
# to avoid replacing traditional zlib
%bcond_without replace_zlib

Name:		zlib-ng
Version:	2.1.6
Release:	%mkrel 1.1
Summary:	Zlib replacement with optimizations
Group:		System/Libraries
License:	zlib
Url:		https://github.com/zlib-ng/zlib-ng
Source0:	https://github.com/zlib-ng/zlib-ng/archive/%{version}/%{name}-%{version}.tar.gz
Patch0:		zlib-ng-2.1.5-pkgconfig-fix-libtool-mess.patch
# (tpg) patches from upstream stable branch
# (currently none)

BuildRequires:	cmake
BuildRequires:	ninja

%description
zlib-ng is a zlib replacement that provides optimizations
for "next generation" systems.

The motivation for this fork was seeing several 3rd party
contributions with new optimizations not getting implemented
into the official zlib repository.

%if %{with replace_zlib}
%package -n %{libname}
Summary:	Zlib replacement with optimizations (compat)
Group:		System/Libraries
Obsoletes:	%{_lib}zlib1 < 1.3.2

%description -n %{libname}
zlib-ng is a zlib replacement that provides optimizations
for "next generation" systems (compat).

The motivation for this fork was seeing several 3rd party
contributions with new optimizations not getting implemented
into the official zlib repository.

%package -n %{develname}
Summary:	Development files for %{name} (compat)
Group:		Development/C
Requires:	%{libname} = %{version}-%{release}
Provides:	zlib-devel = %{version}-%{release}
Obsoletes:	%{_lib}zlib-devel < 1.3.2

%description -n %{develname}
The zlib-devel package contains header files for
developing application that use %{name} (compat).

%package -n %{sdevelname}
Summary:	Static libraries for %{name} (compat)
Group:		Development/C
Requires:	%{develname} = %{version}-%{release}
Provides:	zlib-static-devel = %{version}-%{release}
Obsoletes:	%{_lib}zlib-static-devel < 1.3.2

%description -n %{sdevelname}
The zlib-static-devel package contains static libraries for
developing application that use %{name} (compat).
%endif

%package -n %{libname_ng}
Summary:	Zlib replacement with optimizations
Group:		System/Libraries

%description -n %{libname_ng}
zlib-ng is a zlib replacement that provides optimizations
for "next generation" systems.

The motivation for this fork was seeing several 3rd party
contributions with new optimizations not getting implemented
into the official zlib repository.

%package -n %{develname_ng}
Summary:	Development files for %{name}
Group:		Development/C
Requires:	%{libname_ng} = %{version}-%{release}
Provides:	zlib-ng-devel = %{version}-%{release}

%description -n %{develname_ng}
The %{name}-devel package contains header files for
developing application that use %{name}.

%package -n %{sdevelname_ng}
Summary:	Static libraries for %{name}
Group:		Development/C
Requires:	%{develname_ng} = %{version}-%{release}
Provides:	zlib-ng-static-devel = %{version}-%{release}

%description -n %{sdevelname_ng}
The %{name}-static-devel package contains static libraries for
developing application that use %{name}.

%prep
%autosetup -p1

%build
# zlib-ng uses nonstandard behavior for BUILD_SHARED_LIBS/BUILD_STATIC_LIBS
# BUILD_SHARED_LIBS=ON here means build ONLY shared libs
# BUILD_STATIC_LIBS=ON is ignored
# BUILD_SHARED_LIBS unset means build both shared and static libs.

%if %{with replace_zlib}
%define _vpath_builddir %{_target_platform}-build-compat
%cmake \
	-DWITH_SANITIZERS:BOOL=ON \
	-DINSTALL_LIB_DIR=%{_libdir} \
	-DZLIB_COMPAT:BOOL=ON \
	-DWITH_GTEST:BOOL=OFF \
	-UBUILD_SHARED_LIBS \
	-G Ninja

%cmake_build
%endif

%define _vpath_builddir %{_target_platform}-build-ng
%cmake \
	-DWITH_SANITIZERS:BOOL=ON \
	-DINSTALL_LIB_DIR=%{_libdir} \
	-DZLIB_COMPAT:BOOL=OFF \
	-DWITH_GTEST:BOOL=OFF \
	-UBUILD_SHARED_LIBS \
	-G Ninja

%cmake_build

%install
%if %{with replace_zlib}
%define _vpath_builddir %{_target_platform}-build-compat
%cmake_install
%endif

%define _vpath_builddir %{_target_platform}-build-ng
%cmake_install

%if %{with replace_zlib}
%files -n %{libname}
%license LICENSE.md
%doc README.md
%{_libdir}/libz.so.%{major}{,.*}

%files -n %{develname}
%{_includedir}/zlib.h
%{_includedir}/zconf.h
%{_includedir}/zlib_name_mangling.h
%{_libdir}/libz.so
%{_libdir}/pkgconfig/zlib.pc
%{_libdir}/cmake/ZLIB/

%files -n %{sdevelname}
%{_libdir}/libz.a
%endif

%files -n %{libname_ng}
%license LICENSE.md
%doc README.md
%{_libdir}/libz-ng.so.%{major_ng}{,.*}

%files -n %{develname_ng}
%{_includedir}/zlib-ng.h
%{_includedir}/zconf-ng.h
%{_includedir}/zlib_name_mangling-ng.h
%{_libdir}/libz-ng.so
%{_libdir}/cmake/zlib-ng/
%{_libdir}/pkgconfig/zlib-ng.pc

%files -n %{sdevelname_ng}
%{_libdir}/libz-ng.a