%global with_snapshot 0

%if %{with_snapshot}
%global commit 4b383e23b39099f5ba09f7758023440e76277fc1
%global shortcommit %(c=%{commit}; echo ${c:0:7})
# date +%Y%m%d
%global date 20130801
%global snapshot .%{date}git%{shortcommit}
%else
%global snapshot %{nil}
%endif

Name:           flint
Version:        2.4.2
Release:        1%{snapshot}%{?dist}
Summary:        Fast Library for Number Theory
Group:          Applications/Engineering
License:        GPLv2+
URL:            http://www.flintlib.org/
%if %{with_snapshot}
Source0:        https://github.com/wbhart/flint2/archive/%{commit}/%{name}-%{version}-%{shortcommit}.tar.gz
%else
Source0:        http://www.flintlib.org/%{name}-%{version}.tar.gz
%endif

# Minor changes to configure and Makefile.in for proper use of ${_lib}
# and generation of a shared library with a soname
Patch0:         %{name}-rpmbuild.patch

BuildRequires:  gmp-devel
BuildRequires:  mpfr-devel
BuildRequires:  ntl-devel
BuildRequires:  tex(latex)
BuildRequires:  tex(cases.sty)
BuildRequires:  tex(epigraph.sty)
BuildRequires:  tex(multirow.sty)
BuildRequires:  tex(sectsty.sty)
BuildRequires:  tex(tocloft.sty)
BuildRequires:  tex(xy.sty)

%global sover %(cut -d. -f 1 <<< %{version})


%description
FLINT is a C library for doing number theory, written by William Hart
and David Harvey.


%package        devel
Summary:        Development files for FLINT
Group:          Development/Libraries
Requires:       %{name}%{?_isa} = %{version}-%{release}
Requires:       gmp-devel%{?_isa}
Requires:       mpfr-devel%{?_isa}


%description    devel
The %{name}-devel package contains libraries and header files for
developing applications that use %{name}.


%package        static
Summary:        Static libraries for FLINT
Group:          Development/Libraries
Requires:       %{name}-devel%{?_isa} = %{version}-%{release}


%description    static
The %{name}-static package contains static libraries for
developing applications that use %{name}.


%prep
%if %{with_snapshot}
%setup -q -n flint2-%{commit}
%else
%setup -q
%endif

%patch0

fixtimestamp() {
  touch -r $1.orig $1
  rm -f $1.orig
}

# sanitize header files
ln -sf $PWD flint
for fil in $(find flintxx -name \*.c -o -name \*.h); do
  sed -e 's@"flint\.h"@<flint/flint.h>@' \
      -e 's@"\(flintxx/[^"]*\)"@<\1>@' \
      -e 's@\(#[[:space:]]*include\)[[:space:]]*"../\([^"]*\)"@\1 <flint/\2>@' \
      -e 's@\(#[[:space:]]*include\)[[:space:]]*"\([^"]*\)"@\1 <flint/flintxx/\2>@' \
      -i.orig $fil
  fixtimestamp $fil
done
for fil in $(find . -name \*.c -o -name \*.h); do
  sed -e 's/\\\?"gmp\.h\\\?"/<gmp.h>/' \
      -e 's/"gc\.h"/<gc.h>/' \
      -e 's/"limits\.h"/<limits.h>/' \
      -e 's/"math\.h"/<math.h>/' \
      -e 's/"stdlib\.h"/<stdlib.h>/' \
      -e 's@\(#[[:space:]]*include\)[[:space:]*]"\([^"]*\)"@\1 <flint/\2>@' \
      -i.orig $fil
  fixtimestamp $fil
done

%build
# We set HAVE_FAST_COMPILER to 0 on ARM because otherwise the tests exhaust
# virtual memory.  If other architectures run out of virtual memory while
# building flintxx/test/t-fmpzxx.cpp, then do likewise.
OS=Linux \
MACHINE=%{_arch} \
FLINT_LIB=libflint.so.%{sover} \
sh -x ./configure \
    --prefix=%{_prefix} \
    --libdir=%{_libdir} \
    --with-gmp=%{_libdir} \
    --with-mpfr=%{_libdir} \
    --with-ntl=%{_libdir} \
    --enable-cxx \
%ifarch %{arm}
    CFLAGS="%{optflags} -DHAVE_FAST_COMPILER=0" \
    CXXFLAGS="%{optflags} -DHAVE_FAST_COMPILER=0" \
%else
    CFLAGS="%{optflags}" \
    CXXFLAGS="%{optflags}" \
%endif
    LDFLAGS="-Wl,--as-needed $RPM_LD_FLAGS"
make %{?_smp_mflags} verbose

# Build the documentation
ln -sf . doc/latex/flint
make -C doc/latex manual CFLAGS="%{optflags} -I$PWD/doc/latex"

%install
make DESTDIR=%{buildroot} install

ln -s libflint.so.%{sover} %{buildroot}%{_libdir}/libflint.so

# Fix permissions
chmod 0755 %{buildroot}%{_libdir}/libflint.so.%{sover}

%check
# Some of the C++ tests violate the alias analysis rules; i.e., pointers of
# different types point to the same object.  This leads to bad code being
# generated on some platforms, causing the tests to fail.  The actual flint
# code is fine.  This is an artifact of the tests only, so don't pessimize
# the flint build.
sed -ri 's/C(XX)?FLAGS=.*/& -fno-strict-aliasing/' Makefile

make check QUIET_CC= QUIET_CXX= QUIET_AR=

%post -p /sbin/ldconfig

%postun -p /sbin/ldconfig


%files
%doc AUTHORS NEWS README gpl-2.0.txt
%{_libdir}/libflint.so.%{sover}
%{_datadir}/flint


%files devel
%doc doc/latex/%{name}-manual.pdf
%{_includedir}/flint
%{_libdir}/libflint.so


%files static
%{_libdir}/libflint.a


%changelog
* Mon Mar 17 2014 Jerry James <loganjerry@gmail.com> - 2.4.2-1
- New upstream release

* Mon Feb 10 2014 Jerry James <loganjerry@gmail.com> - 2.4.1-1
- New upstream release
- Enable C++ interface
- Tests now work on 32-bit systems
- Minimize the set of LaTeX BRs
- Enable verbose build
- Link with Fedora LDFLAGS
- On ARM arches, disable tests that exhaust virtual memory while compiling
- Add -fno-strict-aliasing to the test program builds, due to violations of
  the strict aliasing rules in some of the C++ tests

* Mon Aug  5 2013 pcpa <paulo.cesar.pereira.de.andrade@gmail.com> - 2.3-1.20130801git4b383e2
- Update to pre 2.4 snapshot that supports gmp, required by sagemath 5.10

* Sat Aug 03 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> 
- Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild

* Mon May  6 2013 Jerry James <loganjerry@gmail.com> - 1.6-7
- Rebuild for ntl 6.0.0

* Wed Feb 13 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.6-6
- Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild

* Thu Jul 19 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.6-5
- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild

* Sun Jul 1 2012 pcpa <paulo.cesar.pereira.de.andrade@gmail.com> - 1.6-4
- Build with ntl support to have all symbols resolved.
- Force -fPIC in CFLAGS to avoid ntl link failures.

* Mon May  7 2012 Jerry James <loganjerry@gmail.com> - 1.6-3
- Update warning patch to fix bz 819333

* Mon Jan  9 2012 Jerry James <loganjerry@gmail.com> - 1.6-2
- Rebuild for GCC 4.7

* Thu Oct 20 2011 Marcela Mašláňová <mmaslano@redhat.com> - 1.6-1.2
- rebuild with new gmp without compat lib

* Mon Oct 10 2011 Peter Schiffer <pschiffe@redhat.com> - 1.6-1.1
- rebuild with new gmp

* Mon Jul 18 2011 Jerry James <loganjerry@gmail.com> - 1.6-1
- New upstream release
- Build against the system zn_poly instead of the included sources
- Make sure there is no PIC code in the static archive
- Link mpQS against the shared library instead of including the library
- Fix build errors and scary warnings with gcc 4.6
- Remove unnecessary spec file elements (BuildRoot, etc.)

* Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.5.2-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild

* Sat Jun 26 2010 Thomas Spura <tomspur@fedoraproject.org> - 1.5.2-1
- update to new version
- renew both patches

* Fri Jul 24 2009 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.2.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild

* Tue Mar 10 2009 Conrad Meyer <konrad@tylerc.org> - 1.2.0-1
- Bump to 1.2.0.

* Fri Mar 6 2009 Conrad Meyer <konrad@tylerc.org> - 1.0.21-1
- Bump to 1.0.21.
- Build static subpackage.

* Sat Dec 6 2008 Conrad Meyer <konrad@tylerc.org> - 1.0.18-1
- Bump to 1.0.18.
- Patches apply with --fuzz=0.

* Sat Nov 29 2008 Conrad Meyer <konrad@tylerc.org> - 1.0.17-1
- Initial package.