%global maintainer              cpuhouse
%global _hardened_build         1

%global libname                 libzcloudflare
%global libsoname               %{expand:%(echo %{libname} | sed 's/^lib//g')}
%global __provides_exclude_from ^%{_libdir}/%{name}/pkgconfig/minizip\\.pc$

Name:    %{libname}
Version: 1.2.8
Release: 3%{?dist}~%{maintainer}
Summary: The compression and decompression library
License: Zlib
Vendor:  %{maintainer}
URL:     https://github.com/cloudflare/zlib

Source:  https://github.com/cloudflare/zlib/archive/v1.2.8.tar.gz#/zlib-%{version}.tar.gz

# https://github.com/madler/zlib/pull/210
Patch0:  zlib-1.2.5-minizip-fixuncrypt.patch

BuildRequires: gcc

Provides: %{name} = %{version}-%{release}
Provides: %{name}%{?_isa} = %{version}-%{release}
Provides: cloudflare-zlib = %{version}-%{release}
Provides: cloudflare-zlib%{?_isa} = %{version}-%{release}

%description
Zlib is a general-purpose, patent-free, lossless data compression
library which is used by many different programs.

%package devel
Summary:  Header files and libraries for Zlib development
Requires: %{name}%{?_isa} = %{version}-%{release}
Provides: cloudflare-zlib-devel = %{version}-%{release}

%description devel
The zlib-devel package contains the header files and libraries needed
to develop programs that use the zlib compression and decompression
library.

%package static
Summary:  Static libraries for Zlib development
Requires: %{name}-devel%{?_isa} = %{version}-%{release}
Provides: cloudflare-zlib-static = %{version}-%{release}

%description static
The zlib-static package includes static libraries needed
to develop programs that use the zlib compression and
decompression library.


%prep
%setup -q -n zlib-%{version}
%patch0 -p1 -b .fixuncrypt

iconv -f iso-8859-2 -t utf-8 < ChangeLog > ChangeLog.tmp
mv ChangeLog.tmp ChangeLog

sed -i 's/-lz/-l%{libsoname}/' zlib.pc.*


%build
export CC="gcc"
export CFLAGS="%{optflags}"
export LDFLAGS="$LDFLAGS -Wl,-z,relro -Wl,-z,now"
export LDSHARED="$CC -shared"
export MKFLAGS=""

%ifarch x86_64
CFLAGS+=" %{?_hardened_build:-O3 -fPIC}"
%endif
%ifarch ppc64
CFLAGS+=" -O3"
%endif
%ifarch aarch64
CFLAGS+=" -DARM_NEON -O3"
%endif
%ifarch s390 s390x
CFLAGS+=" -DDFLTCC"
%endif

LDSHARED+=" -Wl,-soname,%{libname}.so.1,--version-script,zlib.map"

MKFLAGS+=" SHAREDLIB=%{libname}.so"
MKFLAGS+=" SHAREDLIBV=%{libname}.so.%{version}"
MKFLAGS+=" SHAREDLIBM=%{libname}.so.1"
%ifarch s390 s390x
MKFLAGS+=" OBJA=dfltcc.o PIC_OBJA=dfltcc.lo"
%endif

# no-autotools, %%configure is not compatible
./configure \
  --prefix=%{_prefix} \
  --libdir=%{_libdir}/%{libsoname} \
  --includedir=%{_includedir}/%{libsoname}

%make_build $MKFLAGS


%check
make test


%install
%make_install

pushd %{buildroot}%{_libdir}/%{libsoname}/
find . -type l -delete
for f in libz.*; do
  mv $f $(echo $f | sed 's/libz./%{libname}./g')
done
ln -s %{libname}.so.%{version} %{libname}.so.1
ln -s %{libname}.so.1 %{libname}.so
popd

%{__install} -d %{buildroot}%{_sysconfdir}/ld.so.conf.d
echo %{_libdir}/%{libsoname} > %{buildroot}%{_sysconfdir}/ld.so.conf.d/%{libsoname}.conf

%{__install} -p -D -m 0644 zlib.pc %{buildroot}%{_libdir}/pkgconfig/%{libsoname}.pc

# Remove unwanted
%{__rm} -rf %{buildroot}%{_libdir}/%{libsoname}/pkgconfig
find %{buildroot} -name '*.la' -delete


%ldconfig_scriptlets


%files
%license README
%doc ChangeLog FAQ
%dir %{_libdir}/%{libsoname}
%{_libdir}/%{libsoname}/%{libname}.so.*
%{_sysconfdir}/ld.so.conf.d/%{libsoname}.conf

%files devel
%license README
%doc doc/algorithm.txt test/example.c
%dir %{_includedir}/%{libsoname}
%{_libdir}/%{libsoname}/%{libname}.so
%{_libdir}/pkgconfig/%{libsoname}.pc
%{_includedir}/%{libsoname}/zlib.h
%{_includedir}/%{libsoname}/zconf.h
# Conflicts with zlib
%exclude %{_mandir}/man3/zlib.3*

%files static
%{_libdir}/%{libsoname}/%{libname}.a


%changelog
* Thu Jul 02 2020 Cpuhouse DevTeam <devel@cpuhouse.com.br> - 1.2.8-3
- Package (and library) renamed to libzcloudflare
- Enabled hardened build with -fPIC

* Thu Jun 25 2020 Cpuhouse DevTeam <devel@cpuhouse.com.br> - 1.2.8-2
- Added ldconfig file

* Mon Jun 08 2020 Cpuhouse DevTeam <devel@cpuhouse.com.br> - 1.2.8-1
- First package (spec adapted from Fedora ELN)

# vim:number:sw=4:sts=4:ts=4:et:autoindent:syntax=spec